7495 lines
264 KiB
JavaScript
7495 lines
264 KiB
JavaScript
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/* Copyright 2016 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
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;
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var pdfjsWebLibs;
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{
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pdfjsWebLibs = { pdfjsWebPDFJS: window.pdfjsDistBuildPdf };
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(function () {
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(function (root, factory) {
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factory(root.pdfjsWebGrabToPan = {});
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}(this, function (exports) {
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function GrabToPan(options) {
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this.element = options.element;
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this.document = options.element.ownerDocument;
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if (typeof options.ignoreTarget === 'function') {
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this.ignoreTarget = options.ignoreTarget;
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}
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this.onActiveChanged = options.onActiveChanged;
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this.activate = this.activate.bind(this);
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this.deactivate = this.deactivate.bind(this);
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this.toggle = this.toggle.bind(this);
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this._onmousedown = this._onmousedown.bind(this);
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this._onmousemove = this._onmousemove.bind(this);
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this._endPan = this._endPan.bind(this);
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var overlay = this.overlay = document.createElement('div');
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overlay.className = 'grab-to-pan-grabbing';
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}
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GrabToPan.prototype = {
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CSS_CLASS_GRAB: 'grab-to-pan-grab',
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activate: function GrabToPan_activate() {
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if (!this.active) {
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this.active = true;
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this.element.addEventListener('mousedown', this._onmousedown, true);
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this.element.classList.add(this.CSS_CLASS_GRAB);
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if (this.onActiveChanged) {
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this.onActiveChanged(true);
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}
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}
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},
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deactivate: function GrabToPan_deactivate() {
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if (this.active) {
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this.active = false;
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this.element.removeEventListener('mousedown', this._onmousedown, true);
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this._endPan();
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this.element.classList.remove(this.CSS_CLASS_GRAB);
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if (this.onActiveChanged) {
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this.onActiveChanged(false);
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}
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}
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},
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toggle: function GrabToPan_toggle() {
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if (this.active) {
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this.deactivate();
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} else {
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this.activate();
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}
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},
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ignoreTarget: function GrabToPan_ignoreTarget(node) {
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return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option');
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},
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_onmousedown: function GrabToPan__onmousedown(event) {
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if (event.button !== 0 || this.ignoreTarget(event.target)) {
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return;
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}
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if (event.originalTarget) {
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try {
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event.originalTarget.tagName;
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} catch (e) {
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return;
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}
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}
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this.scrollLeftStart = this.element.scrollLeft;
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this.scrollTopStart = this.element.scrollTop;
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this.clientXStart = event.clientX;
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this.clientYStart = event.clientY;
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this.document.addEventListener('mousemove', this._onmousemove, true);
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this.document.addEventListener('mouseup', this._endPan, true);
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this.element.addEventListener('scroll', this._endPan, true);
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event.preventDefault();
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event.stopPropagation();
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var focusedElement = document.activeElement;
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if (focusedElement && !focusedElement.contains(event.target)) {
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focusedElement.blur();
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}
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},
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_onmousemove: function GrabToPan__onmousemove(event) {
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this.element.removeEventListener('scroll', this._endPan, true);
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if (isLeftMouseReleased(event)) {
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this._endPan();
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return;
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}
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var xDiff = event.clientX - this.clientXStart;
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var yDiff = event.clientY - this.clientYStart;
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var scrollTop = this.scrollTopStart - yDiff;
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var scrollLeft = this.scrollLeftStart - xDiff;
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if (this.element.scrollTo) {
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this.element.scrollTo({
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top: scrollTop,
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left: scrollLeft,
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behavior: 'instant'
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});
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} else {
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this.element.scrollTop = scrollTop;
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this.element.scrollLeft = scrollLeft;
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}
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if (!this.overlay.parentNode) {
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document.body.appendChild(this.overlay);
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}
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},
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_endPan: function GrabToPan__endPan() {
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this.element.removeEventListener('scroll', this._endPan, true);
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this.document.removeEventListener('mousemove', this._onmousemove, true);
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this.document.removeEventListener('mouseup', this._endPan, true);
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if (this.overlay.parentNode) {
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this.overlay.parentNode.removeChild(this.overlay);
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}
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}
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};
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var matchesSelector;
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[
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'webkitM',
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'mozM',
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'msM',
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'oM',
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'm'
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].some(function (prefix) {
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var name = prefix + 'atches';
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if (name in document.documentElement) {
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matchesSelector = name;
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}
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name += 'Selector';
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if (name in document.documentElement) {
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matchesSelector = name;
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}
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return matchesSelector;
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});
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var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
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var chrome = window.chrome;
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var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
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var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
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function isLeftMouseReleased(event) {
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if ('buttons' in event && isNotIEorIsIE10plus) {
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return !(event.buttons & 1);
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}
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if (isChrome15OrOpera15plus || isSafari6plus) {
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return event.which === 0;
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}
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}
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exports.GrabToPan = GrabToPan;
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}));
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(function (root, factory) {
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factory(root.pdfjsWebOverlayManager = {});
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}(this, function (exports) {
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var OverlayManager = {
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overlays: {},
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active: null,
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register: function overlayManagerRegister(name, element, callerCloseMethod, canForceClose) {
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return new Promise(function (resolve) {
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var container;
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if (!name || !element || !(container = element.parentNode)) {
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throw new Error('Not enough parameters.');
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} else if (this.overlays[name]) {
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throw new Error('The overlay is already registered.');
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}
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this.overlays[name] = {
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element: element,
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container: container,
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callerCloseMethod: callerCloseMethod || null,
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canForceClose: canForceClose || false
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};
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resolve();
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}.bind(this));
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},
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unregister: function overlayManagerUnregister(name) {
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return new Promise(function (resolve) {
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if (!this.overlays[name]) {
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throw new Error('The overlay does not exist.');
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} else if (this.active === name) {
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throw new Error('The overlay cannot be removed while it is active.');
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}
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delete this.overlays[name];
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resolve();
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}.bind(this));
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},
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open: function overlayManagerOpen(name) {
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return new Promise(function (resolve) {
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if (!this.overlays[name]) {
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throw new Error('The overlay does not exist.');
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} else if (this.active) {
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if (this.overlays[name].canForceClose) {
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this._closeThroughCaller();
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} else if (this.active === name) {
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throw new Error('The overlay is already active.');
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} else {
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throw new Error('Another overlay is currently active.');
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}
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}
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this.active = name;
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this.overlays[this.active].element.classList.remove('hidden');
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this.overlays[this.active].container.classList.remove('hidden');
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window.addEventListener('keydown', this._keyDown);
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resolve();
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}.bind(this));
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},
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close: function overlayManagerClose(name) {
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return new Promise(function (resolve) {
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if (!this.overlays[name]) {
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throw new Error('The overlay does not exist.');
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} else if (!this.active) {
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throw new Error('The overlay is currently not active.');
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} else if (this.active !== name) {
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throw new Error('Another overlay is currently active.');
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}
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this.overlays[this.active].container.classList.add('hidden');
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this.overlays[this.active].element.classList.add('hidden');
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this.active = null;
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window.removeEventListener('keydown', this._keyDown);
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resolve();
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}.bind(this));
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},
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_keyDown: function overlayManager_keyDown(evt) {
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var self = OverlayManager;
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if (self.active && evt.keyCode === 27) {
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self._closeThroughCaller();
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evt.preventDefault();
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}
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},
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_closeThroughCaller: function overlayManager_closeThroughCaller() {
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if (this.overlays[this.active].callerCloseMethod) {
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this.overlays[this.active].callerCloseMethod();
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}
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if (this.active) {
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this.close(this.active);
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}
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}
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};
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exports.OverlayManager = OverlayManager;
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}));
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(function (root, factory) {
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factory(root.pdfjsWebPDFRenderingQueue = {});
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}(this, function (exports) {
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var CLEANUP_TIMEOUT = 30000;
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var RenderingStates = {
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INITIAL: 0,
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RUNNING: 1,
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PAUSED: 2,
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FINISHED: 3
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};
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var PDFRenderingQueue = function PDFRenderingQueueClosure() {
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function PDFRenderingQueue() {
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this.pdfViewer = null;
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this.pdfThumbnailViewer = null;
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this.onIdle = null;
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this.highestPriorityPage = null;
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this.idleTimeout = null;
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this.printing = false;
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this.isThumbnailViewEnabled = false;
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}
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PDFRenderingQueue.prototype = {
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setViewer: function PDFRenderingQueue_setViewer(pdfViewer) {
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this.pdfViewer = pdfViewer;
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},
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setThumbnailViewer: function PDFRenderingQueue_setThumbnailViewer(pdfThumbnailViewer) {
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this.pdfThumbnailViewer = pdfThumbnailViewer;
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},
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isHighestPriority: function PDFRenderingQueue_isHighestPriority(view) {
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return this.highestPriorityPage === view.renderingId;
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},
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renderHighestPriority: function PDFRenderingQueue_renderHighestPriority(currentlyVisiblePages) {
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if (this.idleTimeout) {
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clearTimeout(this.idleTimeout);
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this.idleTimeout = null;
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}
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if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
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return;
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}
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if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
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if (this.pdfThumbnailViewer.forceRendering()) {
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return;
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}
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}
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if (this.printing) {
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return;
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}
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if (this.onIdle) {
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this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
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}
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},
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getHighestPriority: function PDFRenderingQueue_getHighestPriority(visible, views, scrolledDown) {
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var visibleViews = visible.views;
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var numVisible = visibleViews.length;
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if (numVisible === 0) {
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return false;
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}
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for (var i = 0; i < numVisible; ++i) {
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var view = visibleViews[i].view;
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if (!this.isViewFinished(view)) {
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return view;
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}
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}
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if (scrolledDown) {
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var nextPageIndex = visible.last.id;
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if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
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return views[nextPageIndex];
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}
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} else {
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var previousPageIndex = visible.first.id - 2;
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if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
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return views[previousPageIndex];
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}
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}
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return null;
|
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},
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isViewFinished: function PDFRenderingQueue_isViewFinished(view) {
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return view.renderingState === RenderingStates.FINISHED;
|
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},
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renderView: function PDFRenderingQueue_renderView(view) {
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var state = view.renderingState;
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switch (state) {
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case RenderingStates.FINISHED:
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return false;
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case RenderingStates.PAUSED:
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this.highestPriorityPage = view.renderingId;
|
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view.resume();
|
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break;
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case RenderingStates.RUNNING:
|
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this.highestPriorityPage = view.renderingId;
|
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break;
|
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case RenderingStates.INITIAL:
|
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this.highestPriorityPage = view.renderingId;
|
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var continueRendering = function () {
|
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this.renderHighestPriority();
|
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}.bind(this);
|
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view.draw().then(continueRendering, continueRendering);
|
||
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break;
|
||
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}
|
||
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return true;
|
||
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}
|
||
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};
|
||
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return PDFRenderingQueue;
|
||
|
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}();
|
||
|
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exports.RenderingStates = RenderingStates;
|
||
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exports.PDFRenderingQueue = PDFRenderingQueue;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPreferences = {});
|
||
|
|
}(this, function (exports) {
|
||
|
|
var defaultPreferences = null;
|
||
|
|
function getDefaultPreferences() {
|
||
|
|
if (!defaultPreferences) {
|
||
|
|
defaultPreferences = Promise.resolve({
|
||
|
|
"showPreviousViewOnLoad": true,
|
||
|
|
"defaultZoomValue": "",
|
||
|
|
"sidebarViewOnLoad": 0,
|
||
|
|
"enableHandToolOnLoad": false,
|
||
|
|
"enableWebGL": false,
|
||
|
|
"pdfBugEnabled": false,
|
||
|
|
"disableRange": false,
|
||
|
|
"disableStream": false,
|
||
|
|
"disableAutoFetch": false,
|
||
|
|
"disableFontFace": false,
|
||
|
|
"disableTextLayer": false,
|
||
|
|
"useOnlyCssZoom": false,
|
||
|
|
"externalLinkTarget": 0,
|
||
|
|
"enhanceTextSelection": false,
|
||
|
|
"renderer": "canvas",
|
||
|
|
"renderInteractiveForms": false,
|
||
|
|
"disablePageLabels": false
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return defaultPreferences;
|
||
|
|
}
|
||
|
|
function cloneObj(obj) {
|
||
|
|
var result = {};
|
||
|
|
for (var i in obj) {
|
||
|
|
if (Object.prototype.hasOwnProperty.call(obj, i)) {
|
||
|
|
result[i] = obj[i];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
var Preferences = {
|
||
|
|
prefs: null,
|
||
|
|
isInitializedPromiseResolved: false,
|
||
|
|
initializedPromise: null,
|
||
|
|
initialize: function preferencesInitialize() {
|
||
|
|
return this.initializedPromise = getDefaultPreferences().then(function (defaults) {
|
||
|
|
Object.defineProperty(this, 'defaults', {
|
||
|
|
value: Object.freeze(defaults),
|
||
|
|
writable: false,
|
||
|
|
enumerable: true,
|
||
|
|
configurable: false
|
||
|
|
});
|
||
|
|
this.prefs = cloneObj(defaults);
|
||
|
|
return this._readFromStorage(defaults);
|
||
|
|
}.bind(this)).then(function (prefObj) {
|
||
|
|
this.isInitializedPromiseResolved = true;
|
||
|
|
if (prefObj) {
|
||
|
|
this.prefs = prefObj;
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
_writeToStorage: function preferences_writeToStorage(prefObj) {
|
||
|
|
return Promise.resolve();
|
||
|
|
},
|
||
|
|
_readFromStorage: function preferences_readFromStorage(prefObj) {
|
||
|
|
return Promise.resolve();
|
||
|
|
},
|
||
|
|
reset: function preferencesReset() {
|
||
|
|
return this.initializedPromise.then(function () {
|
||
|
|
this.prefs = cloneObj(this.defaults);
|
||
|
|
return this._writeToStorage(this.defaults);
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
reload: function preferencesReload() {
|
||
|
|
return this.initializedPromise.then(function () {
|
||
|
|
this._readFromStorage(this.defaults).then(function (prefObj) {
|
||
|
|
if (prefObj) {
|
||
|
|
this.prefs = prefObj;
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
set: function preferencesSet(name, value) {
|
||
|
|
return this.initializedPromise.then(function () {
|
||
|
|
if (this.defaults[name] === undefined) {
|
||
|
|
throw new Error('preferencesSet: \'' + name + '\' is undefined.');
|
||
|
|
} else if (value === undefined) {
|
||
|
|
throw new Error('preferencesSet: no value is specified.');
|
||
|
|
}
|
||
|
|
var valueType = typeof value;
|
||
|
|
var defaultType = typeof this.defaults[name];
|
||
|
|
if (valueType !== defaultType) {
|
||
|
|
if (valueType === 'number' && defaultType === 'string') {
|
||
|
|
value = value.toString();
|
||
|
|
} else {
|
||
|
|
throw new Error('Preferences_set: \'' + value + '\' is a \"' + valueType + '\", expected \"' + defaultType + '\".');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (valueType === 'number' && (value | 0) !== value) {
|
||
|
|
throw new Error('Preferences_set: \'' + value + '\' must be an \"integer\".');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.prefs[name] = value;
|
||
|
|
return this._writeToStorage(this.prefs);
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
get: function preferencesGet(name) {
|
||
|
|
return this.initializedPromise.then(function () {
|
||
|
|
var defaultValue = this.defaults[name];
|
||
|
|
if (defaultValue === undefined) {
|
||
|
|
throw new Error('preferencesGet: \'' + name + '\' is undefined.');
|
||
|
|
} else {
|
||
|
|
var prefValue = this.prefs[name];
|
||
|
|
if (prefValue !== undefined) {
|
||
|
|
return prefValue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return defaultValue;
|
||
|
|
}.bind(this));
|
||
|
|
}
|
||
|
|
};
|
||
|
|
Preferences._writeToStorage = function (prefObj) {
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));
|
||
|
|
resolve();
|
||
|
|
});
|
||
|
|
};
|
||
|
|
Preferences._readFromStorage = function (prefObj) {
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
var readPrefs = JSON.parse(localStorage.getItem('pdfjs.preferences'));
|
||
|
|
resolve(readPrefs);
|
||
|
|
});
|
||
|
|
};
|
||
|
|
exports.Preferences = Preferences;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebViewHistory = {});
|
||
|
|
}(this, function (exports) {
|
||
|
|
var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
|
||
|
|
var ViewHistory = function ViewHistoryClosure() {
|
||
|
|
function ViewHistory(fingerprint, cacheSize) {
|
||
|
|
this.fingerprint = fingerprint;
|
||
|
|
this.cacheSize = cacheSize || DEFAULT_VIEW_HISTORY_CACHE_SIZE;
|
||
|
|
this.isInitializedPromiseResolved = false;
|
||
|
|
this.initializedPromise = this._readFromStorage().then(function (databaseStr) {
|
||
|
|
this.isInitializedPromiseResolved = true;
|
||
|
|
var database = JSON.parse(databaseStr || '{}');
|
||
|
|
if (!('files' in database)) {
|
||
|
|
database.files = [];
|
||
|
|
}
|
||
|
|
if (database.files.length >= this.cacheSize) {
|
||
|
|
database.files.shift();
|
||
|
|
}
|
||
|
|
var index;
|
||
|
|
for (var i = 0, length = database.files.length; i < length; i++) {
|
||
|
|
var branch = database.files[i];
|
||
|
|
if (branch.fingerprint === this.fingerprint) {
|
||
|
|
index = i;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (typeof index !== 'number') {
|
||
|
|
index = database.files.push({ fingerprint: this.fingerprint }) - 1;
|
||
|
|
}
|
||
|
|
this.file = database.files[index];
|
||
|
|
this.database = database;
|
||
|
|
}.bind(this));
|
||
|
|
}
|
||
|
|
ViewHistory.prototype = {
|
||
|
|
_writeToStorage: function ViewHistory_writeToStorage() {
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
var databaseStr = JSON.stringify(this.database);
|
||
|
|
localStorage.setItem('pdfjs.history', databaseStr);
|
||
|
|
resolve();
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
_readFromStorage: function ViewHistory_readFromStorage() {
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
var value = localStorage.getItem('pdfjs.history');
|
||
|
|
if (!value) {
|
||
|
|
var databaseStr = localStorage.getItem('database');
|
||
|
|
if (databaseStr) {
|
||
|
|
try {
|
||
|
|
var database = JSON.parse(databaseStr);
|
||
|
|
if (typeof database.files[0].fingerprint === 'string') {
|
||
|
|
localStorage.setItem('pdfjs.history', databaseStr);
|
||
|
|
localStorage.removeItem('database');
|
||
|
|
value = databaseStr;
|
||
|
|
}
|
||
|
|
} catch (ex) {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
resolve(value);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
set: function ViewHistory_set(name, val) {
|
||
|
|
if (!this.isInitializedPromiseResolved) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.file[name] = val;
|
||
|
|
return this._writeToStorage();
|
||
|
|
},
|
||
|
|
setMultiple: function ViewHistory_setMultiple(properties) {
|
||
|
|
if (!this.isInitializedPromiseResolved) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
for (var name in properties) {
|
||
|
|
this.file[name] = properties[name];
|
||
|
|
}
|
||
|
|
return this._writeToStorage();
|
||
|
|
},
|
||
|
|
get: function ViewHistory_get(name, defaultValue) {
|
||
|
|
if (!this.isInitializedPromiseResolved) {
|
||
|
|
return defaultValue;
|
||
|
|
}
|
||
|
|
return this.file[name] || defaultValue;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return ViewHistory;
|
||
|
|
}();
|
||
|
|
exports.ViewHistory = ViewHistory;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebDownloadManager = {}, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, pdfjsLib) {
|
||
|
|
function download(blobUrl, filename) {
|
||
|
|
var a = document.createElement('a');
|
||
|
|
if (a.click) {
|
||
|
|
a.href = blobUrl;
|
||
|
|
a.target = '_parent';
|
||
|
|
if ('download' in a) {
|
||
|
|
a.download = filename;
|
||
|
|
}
|
||
|
|
(document.body || document.documentElement).appendChild(a);
|
||
|
|
a.click();
|
||
|
|
a.parentNode.removeChild(a);
|
||
|
|
} else {
|
||
|
|
if (window.top === window && blobUrl.split('#')[0] === window.location.href.split('#')[0]) {
|
||
|
|
var padCharacter = blobUrl.indexOf('?') === -1 ? '?' : '&';
|
||
|
|
blobUrl = blobUrl.replace(/#|$/, padCharacter + '$&');
|
||
|
|
}
|
||
|
|
window.open(blobUrl, '_parent');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function DownloadManager() {
|
||
|
|
}
|
||
|
|
DownloadManager.prototype = {
|
||
|
|
downloadUrl: function DownloadManager_downloadUrl(url, filename) {
|
||
|
|
if (!pdfjsLib.createValidAbsoluteUrl(url, 'http://example.com')) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
download(url + '#pdfjs.action=download', filename);
|
||
|
|
},
|
||
|
|
downloadData: function DownloadManager_downloadData(data, filename, contentType) {
|
||
|
|
if (navigator.msSaveBlob) {
|
||
|
|
return navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);
|
||
|
|
}
|
||
|
|
var blobUrl = pdfjsLib.createObjectURL(data, contentType, pdfjsLib.PDFJS.disableCreateObjectURL);
|
||
|
|
download(blobUrl, filename);
|
||
|
|
},
|
||
|
|
download: function DownloadManager_download(blob, url, filename) {
|
||
|
|
if (!URL) {
|
||
|
|
this.downloadUrl(url, filename);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (navigator.msSaveBlob) {
|
||
|
|
if (!navigator.msSaveBlob(blob, filename)) {
|
||
|
|
this.downloadUrl(url, filename);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var blobUrl = URL.createObjectURL(blob);
|
||
|
|
download(blobUrl, filename);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
exports.DownloadManager = DownloadManager;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFAttachmentViewer = {}, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, pdfjsLib) {
|
||
|
|
var PDFAttachmentViewer = function PDFAttachmentViewerClosure() {
|
||
|
|
function PDFAttachmentViewer(options) {
|
||
|
|
this.attachments = null;
|
||
|
|
this.container = options.container;
|
||
|
|
this.eventBus = options.eventBus;
|
||
|
|
this.downloadManager = options.downloadManager;
|
||
|
|
}
|
||
|
|
PDFAttachmentViewer.prototype = {
|
||
|
|
reset: function PDFAttachmentViewer_reset() {
|
||
|
|
this.attachments = null;
|
||
|
|
var container = this.container;
|
||
|
|
while (container.firstChild) {
|
||
|
|
container.removeChild(container.firstChild);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_dispatchEvent: function PDFAttachmentViewer_dispatchEvent(attachmentsCount) {
|
||
|
|
this.eventBus.dispatch('attachmentsloaded', {
|
||
|
|
source: this,
|
||
|
|
attachmentsCount: attachmentsCount
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_bindLink: function PDFAttachmentViewer_bindLink(button, content, filename) {
|
||
|
|
button.onclick = function downloadFile(e) {
|
||
|
|
this.downloadManager.downloadData(content, filename, '');
|
||
|
|
return false;
|
||
|
|
}.bind(this);
|
||
|
|
},
|
||
|
|
render: function PDFAttachmentViewer_render(params) {
|
||
|
|
var attachments = params && params.attachments || null;
|
||
|
|
var attachmentsCount = 0;
|
||
|
|
if (this.attachments) {
|
||
|
|
this.reset();
|
||
|
|
}
|
||
|
|
this.attachments = attachments;
|
||
|
|
if (!attachments) {
|
||
|
|
this._dispatchEvent(attachmentsCount);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var names = Object.keys(attachments).sort(function (a, b) {
|
||
|
|
return a.toLowerCase().localeCompare(b.toLowerCase());
|
||
|
|
});
|
||
|
|
attachmentsCount = names.length;
|
||
|
|
for (var i = 0; i < attachmentsCount; i++) {
|
||
|
|
var item = attachments[names[i]];
|
||
|
|
var filename = pdfjsLib.getFilenameFromUrl(item.filename);
|
||
|
|
var div = document.createElement('div');
|
||
|
|
div.className = 'attachmentsItem';
|
||
|
|
var button = document.createElement('button');
|
||
|
|
this._bindLink(button, item.content, filename);
|
||
|
|
button.textContent = pdfjsLib.removeNullCharacters(filename);
|
||
|
|
div.appendChild(button);
|
||
|
|
this.container.appendChild(div);
|
||
|
|
}
|
||
|
|
this._dispatchEvent(attachmentsCount);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFAttachmentViewer;
|
||
|
|
}();
|
||
|
|
exports.PDFAttachmentViewer = PDFAttachmentViewer;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFOutlineViewer = {}, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, pdfjsLib) {
|
||
|
|
var PDFJS = pdfjsLib.PDFJS;
|
||
|
|
var DEFAULT_TITLE = '\u2013';
|
||
|
|
var PDFOutlineViewer = function PDFOutlineViewerClosure() {
|
||
|
|
function PDFOutlineViewer(options) {
|
||
|
|
this.outline = null;
|
||
|
|
this.lastToggleIsShow = true;
|
||
|
|
this.container = options.container;
|
||
|
|
this.linkService = options.linkService;
|
||
|
|
this.eventBus = options.eventBus;
|
||
|
|
}
|
||
|
|
PDFOutlineViewer.prototype = {
|
||
|
|
reset: function PDFOutlineViewer_reset() {
|
||
|
|
this.outline = null;
|
||
|
|
this.lastToggleIsShow = true;
|
||
|
|
var container = this.container;
|
||
|
|
while (container.firstChild) {
|
||
|
|
container.removeChild(container.firstChild);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_dispatchEvent: function PDFOutlineViewer_dispatchEvent(outlineCount) {
|
||
|
|
this.eventBus.dispatch('outlineloaded', {
|
||
|
|
source: this,
|
||
|
|
outlineCount: outlineCount
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_bindLink: function PDFOutlineViewer_bindLink(element, item) {
|
||
|
|
if (item.url) {
|
||
|
|
pdfjsLib.addLinkAttributes(element, {
|
||
|
|
url: item.url,
|
||
|
|
target: item.newWindow ? PDFJS.LinkTarget.BLANK : undefined
|
||
|
|
});
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var self = this, destination = item.dest;
|
||
|
|
element.href = self.linkService.getDestinationHash(destination);
|
||
|
|
element.onclick = function () {
|
||
|
|
if (destination) {
|
||
|
|
self.linkService.navigateTo(destination);
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
};
|
||
|
|
},
|
||
|
|
_setStyles: function PDFOutlineViewer_setStyles(element, item) {
|
||
|
|
var styleStr = '';
|
||
|
|
if (item.bold) {
|
||
|
|
styleStr += 'font-weight: bold;';
|
||
|
|
}
|
||
|
|
if (item.italic) {
|
||
|
|
styleStr += 'font-style: italic;';
|
||
|
|
}
|
||
|
|
if (styleStr) {
|
||
|
|
element.setAttribute('style', styleStr);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_addToggleButton: function PDFOutlineViewer_addToggleButton(div) {
|
||
|
|
var toggler = document.createElement('div');
|
||
|
|
toggler.className = 'outlineItemToggler';
|
||
|
|
toggler.onclick = function (event) {
|
||
|
|
event.stopPropagation();
|
||
|
|
toggler.classList.toggle('outlineItemsHidden');
|
||
|
|
if (event.shiftKey) {
|
||
|
|
var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
|
||
|
|
this._toggleOutlineItem(div, shouldShowAll);
|
||
|
|
}
|
||
|
|
}.bind(this);
|
||
|
|
div.insertBefore(toggler, div.firstChild);
|
||
|
|
},
|
||
|
|
_toggleOutlineItem: function PDFOutlineViewer_toggleOutlineItem(root, show) {
|
||
|
|
this.lastToggleIsShow = show;
|
||
|
|
var togglers = root.querySelectorAll('.outlineItemToggler');
|
||
|
|
for (var i = 0, ii = togglers.length; i < ii; ++i) {
|
||
|
|
togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
toggleOutlineTree: function PDFOutlineViewer_toggleOutlineTree() {
|
||
|
|
if (!this.outline) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
|
||
|
|
},
|
||
|
|
render: function PDFOutlineViewer_render(params) {
|
||
|
|
var outline = params && params.outline || null;
|
||
|
|
var outlineCount = 0;
|
||
|
|
if (this.outline) {
|
||
|
|
this.reset();
|
||
|
|
}
|
||
|
|
this.outline = outline;
|
||
|
|
if (!outline) {
|
||
|
|
this._dispatchEvent(outlineCount);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var fragment = document.createDocumentFragment();
|
||
|
|
var queue = [{
|
||
|
|
parent: fragment,
|
||
|
|
items: this.outline
|
||
|
|
}];
|
||
|
|
var hasAnyNesting = false;
|
||
|
|
while (queue.length > 0) {
|
||
|
|
var levelData = queue.shift();
|
||
|
|
for (var i = 0, len = levelData.items.length; i < len; i++) {
|
||
|
|
var item = levelData.items[i];
|
||
|
|
var div = document.createElement('div');
|
||
|
|
div.className = 'outlineItem';
|
||
|
|
var element = document.createElement('a');
|
||
|
|
this._bindLink(element, item);
|
||
|
|
this._setStyles(element, item);
|
||
|
|
element.textContent = pdfjsLib.removeNullCharacters(item.title) || DEFAULT_TITLE;
|
||
|
|
div.appendChild(element);
|
||
|
|
if (item.items.length > 0) {
|
||
|
|
hasAnyNesting = true;
|
||
|
|
this._addToggleButton(div);
|
||
|
|
var itemsDiv = document.createElement('div');
|
||
|
|
itemsDiv.className = 'outlineItems';
|
||
|
|
div.appendChild(itemsDiv);
|
||
|
|
queue.push({
|
||
|
|
parent: itemsDiv,
|
||
|
|
items: item.items
|
||
|
|
});
|
||
|
|
}
|
||
|
|
levelData.parent.appendChild(div);
|
||
|
|
outlineCount++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (hasAnyNesting) {
|
||
|
|
this.container.classList.add('outlineWithDeepNesting');
|
||
|
|
}
|
||
|
|
this.container.appendChild(fragment);
|
||
|
|
this._dispatchEvent(outlineCount);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFOutlineViewer;
|
||
|
|
}();
|
||
|
|
exports.PDFOutlineViewer = PDFOutlineViewer;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFSidebar = {}, root.pdfjsWebPDFRenderingQueue);
|
||
|
|
}(this, function (exports, pdfRenderingQueue) {
|
||
|
|
var RenderingStates = pdfRenderingQueue.RenderingStates;
|
||
|
|
var SidebarView = {
|
||
|
|
NONE: 0,
|
||
|
|
THUMBS: 1,
|
||
|
|
OUTLINE: 2,
|
||
|
|
ATTACHMENTS: 3
|
||
|
|
};
|
||
|
|
var PDFSidebar = function PDFSidebarClosure() {
|
||
|
|
function PDFSidebar(options) {
|
||
|
|
this.isOpen = false;
|
||
|
|
this.active = SidebarView.THUMBS;
|
||
|
|
this.isInitialViewSet = false;
|
||
|
|
this.onToggled = null;
|
||
|
|
this.pdfViewer = options.pdfViewer;
|
||
|
|
this.pdfThumbnailViewer = options.pdfThumbnailViewer;
|
||
|
|
this.pdfOutlineViewer = options.pdfOutlineViewer;
|
||
|
|
this.mainContainer = options.mainContainer;
|
||
|
|
this.outerContainer = options.outerContainer;
|
||
|
|
this.eventBus = options.eventBus;
|
||
|
|
this.toggleButton = options.toggleButton;
|
||
|
|
this.thumbnailButton = options.thumbnailButton;
|
||
|
|
this.outlineButton = options.outlineButton;
|
||
|
|
this.attachmentsButton = options.attachmentsButton;
|
||
|
|
this.thumbnailView = options.thumbnailView;
|
||
|
|
this.outlineView = options.outlineView;
|
||
|
|
this.attachmentsView = options.attachmentsView;
|
||
|
|
this._addEventListeners();
|
||
|
|
}
|
||
|
|
PDFSidebar.prototype = {
|
||
|
|
reset: function PDFSidebar_reset() {
|
||
|
|
this.isInitialViewSet = false;
|
||
|
|
this.close();
|
||
|
|
this.switchView(SidebarView.THUMBS);
|
||
|
|
this.outlineButton.disabled = false;
|
||
|
|
this.attachmentsButton.disabled = false;
|
||
|
|
},
|
||
|
|
get visibleView() {
|
||
|
|
return this.isOpen ? this.active : SidebarView.NONE;
|
||
|
|
},
|
||
|
|
get isThumbnailViewVisible() {
|
||
|
|
return this.isOpen && this.active === SidebarView.THUMBS;
|
||
|
|
},
|
||
|
|
get isOutlineViewVisible() {
|
||
|
|
return this.isOpen && this.active === SidebarView.OUTLINE;
|
||
|
|
},
|
||
|
|
get isAttachmentsViewVisible() {
|
||
|
|
return this.isOpen && this.active === SidebarView.ATTACHMENTS;
|
||
|
|
},
|
||
|
|
setInitialView: function PDFSidebar_setInitialView(view) {
|
||
|
|
if (this.isInitialViewSet) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.isInitialViewSet = true;
|
||
|
|
if (this.isOpen && view === SidebarView.NONE) {
|
||
|
|
this._dispatchEvent();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var isViewPreserved = view === this.visibleView;
|
||
|
|
this.switchView(view, true);
|
||
|
|
if (isViewPreserved) {
|
||
|
|
this._dispatchEvent();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
switchView: function PDFSidebar_switchView(view, forceOpen) {
|
||
|
|
if (view === SidebarView.NONE) {
|
||
|
|
this.close();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var isViewChanged = view !== this.active;
|
||
|
|
var shouldForceRendering = false;
|
||
|
|
switch (view) {
|
||
|
|
case SidebarView.THUMBS:
|
||
|
|
this.thumbnailButton.classList.add('toggled');
|
||
|
|
this.outlineButton.classList.remove('toggled');
|
||
|
|
this.attachmentsButton.classList.remove('toggled');
|
||
|
|
this.thumbnailView.classList.remove('hidden');
|
||
|
|
this.outlineView.classList.add('hidden');
|
||
|
|
this.attachmentsView.classList.add('hidden');
|
||
|
|
if (this.isOpen && isViewChanged) {
|
||
|
|
this._updateThumbnailViewer();
|
||
|
|
shouldForceRendering = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case SidebarView.OUTLINE:
|
||
|
|
if (this.outlineButton.disabled) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.thumbnailButton.classList.remove('toggled');
|
||
|
|
this.outlineButton.classList.add('toggled');
|
||
|
|
this.attachmentsButton.classList.remove('toggled');
|
||
|
|
this.thumbnailView.classList.add('hidden');
|
||
|
|
this.outlineView.classList.remove('hidden');
|
||
|
|
this.attachmentsView.classList.add('hidden');
|
||
|
|
break;
|
||
|
|
case SidebarView.ATTACHMENTS:
|
||
|
|
if (this.attachmentsButton.disabled) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.thumbnailButton.classList.remove('toggled');
|
||
|
|
this.outlineButton.classList.remove('toggled');
|
||
|
|
this.attachmentsButton.classList.add('toggled');
|
||
|
|
this.thumbnailView.classList.add('hidden');
|
||
|
|
this.outlineView.classList.add('hidden');
|
||
|
|
this.attachmentsView.classList.remove('hidden');
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.active = view | 0;
|
||
|
|
if (forceOpen && !this.isOpen) {
|
||
|
|
this.open();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (shouldForceRendering) {
|
||
|
|
this._forceRendering();
|
||
|
|
}
|
||
|
|
if (isViewChanged) {
|
||
|
|
this._dispatchEvent();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
open: function PDFSidebar_open() {
|
||
|
|
if (this.isOpen) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.isOpen = true;
|
||
|
|
this.toggleButton.classList.add('toggled');
|
||
|
|
this.outerContainer.classList.add('sidebarMoving');
|
||
|
|
this.outerContainer.classList.add('sidebarOpen');
|
||
|
|
if (this.active === SidebarView.THUMBS) {
|
||
|
|
this._updateThumbnailViewer();
|
||
|
|
}
|
||
|
|
this._forceRendering();
|
||
|
|
this._dispatchEvent();
|
||
|
|
},
|
||
|
|
close: function PDFSidebar_close() {
|
||
|
|
if (!this.isOpen) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.isOpen = false;
|
||
|
|
this.toggleButton.classList.remove('toggled');
|
||
|
|
this.outerContainer.classList.add('sidebarMoving');
|
||
|
|
this.outerContainer.classList.remove('sidebarOpen');
|
||
|
|
this._forceRendering();
|
||
|
|
this._dispatchEvent();
|
||
|
|
},
|
||
|
|
toggle: function PDFSidebar_toggle() {
|
||
|
|
if (this.isOpen) {
|
||
|
|
this.close();
|
||
|
|
} else {
|
||
|
|
this.open();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_dispatchEvent: function PDFSidebar_dispatchEvent() {
|
||
|
|
this.eventBus.dispatch('sidebarviewchanged', {
|
||
|
|
source: this,
|
||
|
|
view: this.visibleView
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_forceRendering: function PDFSidebar_forceRendering() {
|
||
|
|
if (this.onToggled) {
|
||
|
|
this.onToggled();
|
||
|
|
} else {
|
||
|
|
this.pdfViewer.forceRendering();
|
||
|
|
this.pdfThumbnailViewer.forceRendering();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_updateThumbnailViewer: function PDFSidebar_updateThumbnailViewer() {
|
||
|
|
var pdfViewer = this.pdfViewer;
|
||
|
|
var thumbnailViewer = this.pdfThumbnailViewer;
|
||
|
|
var pagesCount = pdfViewer.pagesCount;
|
||
|
|
for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
|
||
|
|
var pageView = pdfViewer.getPageView(pageIndex);
|
||
|
|
if (pageView && pageView.renderingState === RenderingStates.FINISHED) {
|
||
|
|
var thumbnailView = thumbnailViewer.getThumbnail(pageIndex);
|
||
|
|
thumbnailView.setImage(pageView);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
thumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
|
||
|
|
},
|
||
|
|
_addEventListeners: function PDFSidebar_addEventListeners() {
|
||
|
|
var self = this;
|
||
|
|
self.mainContainer.addEventListener('transitionend', function (evt) {
|
||
|
|
if (evt.target === this) {
|
||
|
|
self.outerContainer.classList.remove('sidebarMoving');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
self.thumbnailButton.addEventListener('click', function () {
|
||
|
|
self.switchView(SidebarView.THUMBS);
|
||
|
|
});
|
||
|
|
self.outlineButton.addEventListener('click', function () {
|
||
|
|
self.switchView(SidebarView.OUTLINE);
|
||
|
|
});
|
||
|
|
self.outlineButton.addEventListener('dblclick', function () {
|
||
|
|
self.pdfOutlineViewer.toggleOutlineTree();
|
||
|
|
});
|
||
|
|
self.attachmentsButton.addEventListener('click', function () {
|
||
|
|
self.switchView(SidebarView.ATTACHMENTS);
|
||
|
|
});
|
||
|
|
self.eventBus.on('outlineloaded', function (e) {
|
||
|
|
var outlineCount = e.outlineCount;
|
||
|
|
self.outlineButton.disabled = !outlineCount;
|
||
|
|
if (!outlineCount && self.active === SidebarView.OUTLINE) {
|
||
|
|
self.switchView(SidebarView.THUMBS);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
self.eventBus.on('attachmentsloaded', function (e) {
|
||
|
|
var attachmentsCount = e.attachmentsCount;
|
||
|
|
self.attachmentsButton.disabled = !attachmentsCount;
|
||
|
|
if (!attachmentsCount && self.active === SidebarView.ATTACHMENTS) {
|
||
|
|
self.switchView(SidebarView.THUMBS);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
self.eventBus.on('presentationmodechanged', function (e) {
|
||
|
|
if (!e.active && !e.switchInProgress && self.isThumbnailViewVisible) {
|
||
|
|
self._updateThumbnailViewer();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFSidebar;
|
||
|
|
}();
|
||
|
|
exports.SidebarView = SidebarView;
|
||
|
|
exports.PDFSidebar = PDFSidebar;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebUIUtils = {}, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, pdfjsLib) {
|
||
|
|
var CSS_UNITS = 96.0 / 72.0;
|
||
|
|
var DEFAULT_SCALE_VALUE = 'auto';
|
||
|
|
var DEFAULT_SCALE = 1.0;
|
||
|
|
var MIN_SCALE = 0.25;
|
||
|
|
var MAX_SCALE = 10.0;
|
||
|
|
var UNKNOWN_SCALE = 0;
|
||
|
|
var MAX_AUTO_SCALE = 1.25;
|
||
|
|
var SCROLLBAR_PADDING = 40;
|
||
|
|
var VERTICAL_PADDING = 5;
|
||
|
|
var RendererType = {
|
||
|
|
CANVAS: 'canvas',
|
||
|
|
SVG: 'svg'
|
||
|
|
};
|
||
|
|
var mozL10n = document.mozL10n || document.webL10n;
|
||
|
|
var PDFJS = pdfjsLib.PDFJS;
|
||
|
|
PDFJS.disableFullscreen = PDFJS.disableFullscreen === undefined ? false : PDFJS.disableFullscreen;
|
||
|
|
PDFJS.useOnlyCssZoom = PDFJS.useOnlyCssZoom === undefined ? false : PDFJS.useOnlyCssZoom;
|
||
|
|
PDFJS.maxCanvasPixels = PDFJS.maxCanvasPixels === undefined ? 16777216 : PDFJS.maxCanvasPixels;
|
||
|
|
PDFJS.disableHistory = PDFJS.disableHistory === undefined ? false : PDFJS.disableHistory;
|
||
|
|
PDFJS.disableTextLayer = PDFJS.disableTextLayer === undefined ? false : PDFJS.disableTextLayer;
|
||
|
|
PDFJS.ignoreCurrentPositionOnZoom = PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : PDFJS.ignoreCurrentPositionOnZoom;
|
||
|
|
PDFJS.locale = PDFJS.locale === undefined ? navigator.language : PDFJS.locale;
|
||
|
|
function getOutputScale(ctx) {
|
||
|
|
var devicePixelRatio = window.devicePixelRatio || 1;
|
||
|
|
var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
|
||
|
|
var pixelRatio = devicePixelRatio / backingStoreRatio;
|
||
|
|
return {
|
||
|
|
sx: pixelRatio,
|
||
|
|
sy: pixelRatio,
|
||
|
|
scaled: pixelRatio !== 1
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function scrollIntoView(element, spot, skipOverflowHiddenElements) {
|
||
|
|
var parent = element.offsetParent;
|
||
|
|
if (!parent) {
|
||
|
|
console.error('offsetParent is not set -- cannot scroll');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var checkOverflow = skipOverflowHiddenElements || false;
|
||
|
|
var offsetY = element.offsetTop + element.clientTop;
|
||
|
|
var offsetX = element.offsetLeft + element.clientLeft;
|
||
|
|
while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') {
|
||
|
|
if (parent.dataset._scaleY) {
|
||
|
|
offsetY /= parent.dataset._scaleY;
|
||
|
|
offsetX /= parent.dataset._scaleX;
|
||
|
|
}
|
||
|
|
offsetY += parent.offsetTop;
|
||
|
|
offsetX += parent.offsetLeft;
|
||
|
|
parent = parent.offsetParent;
|
||
|
|
if (!parent) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (spot) {
|
||
|
|
if (spot.top !== undefined) {
|
||
|
|
offsetY += spot.top;
|
||
|
|
}
|
||
|
|
if (spot.left !== undefined) {
|
||
|
|
offsetX += spot.left;
|
||
|
|
parent.scrollLeft = offsetX;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
parent.scrollTop = offsetY;
|
||
|
|
}
|
||
|
|
function watchScroll(viewAreaElement, callback) {
|
||
|
|
var debounceScroll = function debounceScroll(evt) {
|
||
|
|
if (rAF) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
|
||
|
|
rAF = null;
|
||
|
|
var currentY = viewAreaElement.scrollTop;
|
||
|
|
var lastY = state.lastY;
|
||
|
|
if (currentY !== lastY) {
|
||
|
|
state.down = currentY > lastY;
|
||
|
|
}
|
||
|
|
state.lastY = currentY;
|
||
|
|
callback(state);
|
||
|
|
});
|
||
|
|
};
|
||
|
|
var state = {
|
||
|
|
down: true,
|
||
|
|
lastY: viewAreaElement.scrollTop,
|
||
|
|
_eventHandler: debounceScroll
|
||
|
|
};
|
||
|
|
var rAF = null;
|
||
|
|
viewAreaElement.addEventListener('scroll', debounceScroll, true);
|
||
|
|
return state;
|
||
|
|
}
|
||
|
|
function parseQueryString(query) {
|
||
|
|
var parts = query.split('&');
|
||
|
|
var params = {};
|
||
|
|
for (var i = 0, ii = parts.length; i < ii; ++i) {
|
||
|
|
var param = parts[i].split('=');
|
||
|
|
var key = param[0].toLowerCase();
|
||
|
|
var value = param.length > 1 ? param[1] : null;
|
||
|
|
params[decodeURIComponent(key)] = decodeURIComponent(value);
|
||
|
|
}
|
||
|
|
return params;
|
||
|
|
}
|
||
|
|
function binarySearchFirstItem(items, condition) {
|
||
|
|
var minIndex = 0;
|
||
|
|
var maxIndex = items.length - 1;
|
||
|
|
if (items.length === 0 || !condition(items[maxIndex])) {
|
||
|
|
return items.length;
|
||
|
|
}
|
||
|
|
if (condition(items[minIndex])) {
|
||
|
|
return minIndex;
|
||
|
|
}
|
||
|
|
while (minIndex < maxIndex) {
|
||
|
|
var currentIndex = minIndex + maxIndex >> 1;
|
||
|
|
var currentItem = items[currentIndex];
|
||
|
|
if (condition(currentItem)) {
|
||
|
|
maxIndex = currentIndex;
|
||
|
|
} else {
|
||
|
|
minIndex = currentIndex + 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return minIndex;
|
||
|
|
}
|
||
|
|
function approximateFraction(x) {
|
||
|
|
if (Math.floor(x) === x) {
|
||
|
|
return [
|
||
|
|
x,
|
||
|
|
1
|
||
|
|
];
|
||
|
|
}
|
||
|
|
var xinv = 1 / x;
|
||
|
|
var limit = 8;
|
||
|
|
if (xinv > limit) {
|
||
|
|
return [
|
||
|
|
1,
|
||
|
|
limit
|
||
|
|
];
|
||
|
|
} else if (Math.floor(xinv) === xinv) {
|
||
|
|
return [
|
||
|
|
1,
|
||
|
|
xinv
|
||
|
|
];
|
||
|
|
}
|
||
|
|
var x_ = x > 1 ? xinv : x;
|
||
|
|
var a = 0, b = 1, c = 1, d = 1;
|
||
|
|
while (true) {
|
||
|
|
var p = a + c, q = b + d;
|
||
|
|
if (q > limit) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (x_ <= p / q) {
|
||
|
|
c = p;
|
||
|
|
d = q;
|
||
|
|
} else {
|
||
|
|
a = p;
|
||
|
|
b = q;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var result;
|
||
|
|
if (x_ - a / b < c / d - x_) {
|
||
|
|
result = x_ === x ? [
|
||
|
|
a,
|
||
|
|
b
|
||
|
|
] : [
|
||
|
|
b,
|
||
|
|
a
|
||
|
|
];
|
||
|
|
} else {
|
||
|
|
result = x_ === x ? [
|
||
|
|
c,
|
||
|
|
d
|
||
|
|
] : [
|
||
|
|
d,
|
||
|
|
c
|
||
|
|
];
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
function roundToDivide(x, div) {
|
||
|
|
var r = x % div;
|
||
|
|
return r === 0 ? x : Math.round(x - r + div);
|
||
|
|
}
|
||
|
|
function getVisibleElements(scrollEl, views, sortByVisibility) {
|
||
|
|
var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight;
|
||
|
|
var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth;
|
||
|
|
function isElementBottomBelowViewTop(view) {
|
||
|
|
var element = view.div;
|
||
|
|
var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
|
||
|
|
return elementBottom > top;
|
||
|
|
}
|
||
|
|
var visible = [], view, element;
|
||
|
|
var currentHeight, viewHeight, hiddenHeight, percentHeight;
|
||
|
|
var currentWidth, viewWidth;
|
||
|
|
var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop);
|
||
|
|
for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
|
||
|
|
view = views[i];
|
||
|
|
element = view.div;
|
||
|
|
currentHeight = element.offsetTop + element.clientTop;
|
||
|
|
viewHeight = element.clientHeight;
|
||
|
|
if (currentHeight > bottom) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
currentWidth = element.offsetLeft + element.clientLeft;
|
||
|
|
viewWidth = element.clientWidth;
|
||
|
|
if (currentWidth + viewWidth < left || currentWidth > right) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom);
|
||
|
|
percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0;
|
||
|
|
visible.push({
|
||
|
|
id: view.id,
|
||
|
|
x: currentWidth,
|
||
|
|
y: currentHeight,
|
||
|
|
view: view,
|
||
|
|
percent: percentHeight
|
||
|
|
});
|
||
|
|
}
|
||
|
|
var first = visible[0];
|
||
|
|
var last = visible[visible.length - 1];
|
||
|
|
if (sortByVisibility) {
|
||
|
|
visible.sort(function (a, b) {
|
||
|
|
var pc = a.percent - b.percent;
|
||
|
|
if (Math.abs(pc) > 0.001) {
|
||
|
|
return -pc;
|
||
|
|
}
|
||
|
|
return a.id - b.id;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return {
|
||
|
|
first: first,
|
||
|
|
last: last,
|
||
|
|
views: visible
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function noContextMenuHandler(e) {
|
||
|
|
e.preventDefault();
|
||
|
|
}
|
||
|
|
function getPDFFileNameFromURL(url) {
|
||
|
|
var reURI = /^(?:([^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
|
||
|
|
var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
|
||
|
|
var splitURI = reURI.exec(url);
|
||
|
|
var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
|
||
|
|
if (suggestedFilename) {
|
||
|
|
suggestedFilename = suggestedFilename[0];
|
||
|
|
if (suggestedFilename.indexOf('%') !== -1) {
|
||
|
|
try {
|
||
|
|
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
|
||
|
|
} catch (e) {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return suggestedFilename || 'document.pdf';
|
||
|
|
}
|
||
|
|
function normalizeWheelEventDelta(evt) {
|
||
|
|
var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
|
||
|
|
var angle = Math.atan2(evt.deltaY, evt.deltaX);
|
||
|
|
if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
|
||
|
|
delta = -delta;
|
||
|
|
}
|
||
|
|
var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
|
||
|
|
var MOUSE_DOM_DELTA_LINE_MODE = 1;
|
||
|
|
var MOUSE_PIXELS_PER_LINE = 30;
|
||
|
|
var MOUSE_LINES_PER_PAGE = 30;
|
||
|
|
if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
|
||
|
|
delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
|
||
|
|
} else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
|
||
|
|
delta /= MOUSE_LINES_PER_PAGE;
|
||
|
|
}
|
||
|
|
return delta;
|
||
|
|
}
|
||
|
|
var animationStarted = new Promise(function (resolve) {
|
||
|
|
window.requestAnimationFrame(resolve);
|
||
|
|
});
|
||
|
|
var localized = new Promise(function (resolve, reject) {
|
||
|
|
if (!mozL10n) {
|
||
|
|
resolve();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (mozL10n.getReadyState() !== 'loading') {
|
||
|
|
resolve();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
window.addEventListener('localized', function localized(evt) {
|
||
|
|
resolve();
|
||
|
|
});
|
||
|
|
});
|
||
|
|
var EventBus = function EventBusClosure() {
|
||
|
|
function EventBus() {
|
||
|
|
this._listeners = Object.create(null);
|
||
|
|
}
|
||
|
|
EventBus.prototype = {
|
||
|
|
on: function EventBus_on(eventName, listener) {
|
||
|
|
var eventListeners = this._listeners[eventName];
|
||
|
|
if (!eventListeners) {
|
||
|
|
eventListeners = [];
|
||
|
|
this._listeners[eventName] = eventListeners;
|
||
|
|
}
|
||
|
|
eventListeners.push(listener);
|
||
|
|
},
|
||
|
|
off: function EventBus_on(eventName, listener) {
|
||
|
|
var eventListeners = this._listeners[eventName];
|
||
|
|
var i;
|
||
|
|
if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
eventListeners.splice(i, 1);
|
||
|
|
},
|
||
|
|
dispatch: function EventBus_dispath(eventName) {
|
||
|
|
var eventListeners = this._listeners[eventName];
|
||
|
|
if (!eventListeners || eventListeners.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
||
|
|
eventListeners.slice(0).forEach(function (listener) {
|
||
|
|
listener.apply(null, args);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return EventBus;
|
||
|
|
}();
|
||
|
|
var ProgressBar = function ProgressBarClosure() {
|
||
|
|
function clamp(v, min, max) {
|
||
|
|
return Math.min(Math.max(v, min), max);
|
||
|
|
}
|
||
|
|
function ProgressBar(id, opts) {
|
||
|
|
this.visible = true;
|
||
|
|
this.div = document.querySelector(id + ' .progress');
|
||
|
|
this.bar = this.div.parentNode;
|
||
|
|
this.height = opts.height || 100;
|
||
|
|
this.width = opts.width || 100;
|
||
|
|
this.units = opts.units || '%';
|
||
|
|
this.div.style.height = this.height + this.units;
|
||
|
|
this.percent = 0;
|
||
|
|
}
|
||
|
|
ProgressBar.prototype = {
|
||
|
|
updateBar: function ProgressBar_updateBar() {
|
||
|
|
if (this._indeterminate) {
|
||
|
|
this.div.classList.add('indeterminate');
|
||
|
|
this.div.style.width = this.width + this.units;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.div.classList.remove('indeterminate');
|
||
|
|
var progressSize = this.width * this._percent / 100;
|
||
|
|
this.div.style.width = progressSize + this.units;
|
||
|
|
},
|
||
|
|
get percent() {
|
||
|
|
return this._percent;
|
||
|
|
},
|
||
|
|
set percent(val) {
|
||
|
|
this._indeterminate = isNaN(val);
|
||
|
|
this._percent = clamp(val, 0, 100);
|
||
|
|
this.updateBar();
|
||
|
|
},
|
||
|
|
setWidth: function ProgressBar_setWidth(viewer) {
|
||
|
|
if (viewer) {
|
||
|
|
var container = viewer.parentNode;
|
||
|
|
var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
|
||
|
|
if (scrollbarWidth > 0) {
|
||
|
|
this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
hide: function ProgressBar_hide() {
|
||
|
|
if (!this.visible) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.visible = false;
|
||
|
|
this.bar.classList.add('hidden');
|
||
|
|
document.body.classList.remove('loadingInProgress');
|
||
|
|
},
|
||
|
|
show: function ProgressBar_show() {
|
||
|
|
if (this.visible) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.visible = true;
|
||
|
|
document.body.classList.add('loadingInProgress');
|
||
|
|
this.bar.classList.remove('hidden');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return ProgressBar;
|
||
|
|
}();
|
||
|
|
exports.CSS_UNITS = CSS_UNITS;
|
||
|
|
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
|
||
|
|
exports.DEFAULT_SCALE = DEFAULT_SCALE;
|
||
|
|
exports.MIN_SCALE = MIN_SCALE;
|
||
|
|
exports.MAX_SCALE = MAX_SCALE;
|
||
|
|
exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
|
||
|
|
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
|
||
|
|
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
|
||
|
|
exports.VERTICAL_PADDING = VERTICAL_PADDING;
|
||
|
|
exports.RendererType = RendererType;
|
||
|
|
exports.mozL10n = mozL10n;
|
||
|
|
exports.EventBus = EventBus;
|
||
|
|
exports.ProgressBar = ProgressBar;
|
||
|
|
exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
|
||
|
|
exports.noContextMenuHandler = noContextMenuHandler;
|
||
|
|
exports.parseQueryString = parseQueryString;
|
||
|
|
exports.getVisibleElements = getVisibleElements;
|
||
|
|
exports.roundToDivide = roundToDivide;
|
||
|
|
exports.approximateFraction = approximateFraction;
|
||
|
|
exports.getOutputScale = getOutputScale;
|
||
|
|
exports.scrollIntoView = scrollIntoView;
|
||
|
|
exports.watchScroll = watchScroll;
|
||
|
|
exports.binarySearchFirstItem = binarySearchFirstItem;
|
||
|
|
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
|
||
|
|
exports.animationStarted = animationStarted;
|
||
|
|
exports.localized = localized;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebDOMEvents = {}, root.pdfjsWebUIUtils);
|
||
|
|
}(this, function (exports, uiUtils) {
|
||
|
|
var EventBus = uiUtils.EventBus;
|
||
|
|
function attachDOMEventsToEventBus(eventBus) {
|
||
|
|
eventBus.on('documentload', function () {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('documentload', true, true, {});
|
||
|
|
window.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('pagerendered', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('pagerendered', true, true, {
|
||
|
|
pageNumber: e.pageNumber,
|
||
|
|
cssTransform: e.cssTransform
|
||
|
|
});
|
||
|
|
e.source.div.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('textlayerrendered', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber });
|
||
|
|
e.source.textLayerDiv.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('pagechange', function (e) {
|
||
|
|
var event = document.createEvent('UIEvents');
|
||
|
|
event.initUIEvent('pagechange', true, true, window, 0);
|
||
|
|
event.pageNumber = e.pageNumber;
|
||
|
|
e.source.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('pagesinit', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('pagesinit', true, true, null);
|
||
|
|
e.source.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('pagesloaded', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount });
|
||
|
|
e.source.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('scalechange', function (e) {
|
||
|
|
var event = document.createEvent('UIEvents');
|
||
|
|
event.initUIEvent('scalechange', true, true, window, 0);
|
||
|
|
event.scale = e.scale;
|
||
|
|
event.presetValue = e.presetValue;
|
||
|
|
e.source.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('updateviewarea', function (e) {
|
||
|
|
var event = document.createEvent('UIEvents');
|
||
|
|
event.initUIEvent('updateviewarea', true, true, window, 0);
|
||
|
|
event.location = e.location;
|
||
|
|
e.source.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('find', function (e) {
|
||
|
|
if (e.source === window) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('find' + e.type, true, true, {
|
||
|
|
query: e.query,
|
||
|
|
phraseSearch: e.phraseSearch,
|
||
|
|
caseSensitive: e.caseSensitive,
|
||
|
|
highlightAll: e.highlightAll,
|
||
|
|
findPrevious: e.findPrevious
|
||
|
|
});
|
||
|
|
window.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('attachmentsloaded', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount });
|
||
|
|
e.source.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('sidebarviewchanged', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view });
|
||
|
|
e.source.outerContainer.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('pagemode', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('pagemode', true, true, { mode: e.mode });
|
||
|
|
e.source.pdfViewer.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('namedaction', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('namedaction', true, true, { action: e.action });
|
||
|
|
e.source.pdfViewer.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('presentationmodechanged', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('presentationmodechanged', true, true, {
|
||
|
|
active: e.active,
|
||
|
|
switchInProgress: e.switchInProgress
|
||
|
|
});
|
||
|
|
window.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
eventBus.on('outlineloaded', function (e) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount });
|
||
|
|
e.source.container.dispatchEvent(event);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
var globalEventBus = null;
|
||
|
|
function getGlobalEventBus() {
|
||
|
|
if (globalEventBus) {
|
||
|
|
return globalEventBus;
|
||
|
|
}
|
||
|
|
globalEventBus = new EventBus();
|
||
|
|
attachDOMEventsToEventBus(globalEventBus);
|
||
|
|
return globalEventBus;
|
||
|
|
}
|
||
|
|
exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
|
||
|
|
exports.getGlobalEventBus = getGlobalEventBus;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebHandTool = {}, root.pdfjsWebGrabToPan, root.pdfjsWebPreferences, root.pdfjsWebUIUtils);
|
||
|
|
}(this, function (exports, grabToPan, preferences, uiUtils) {
|
||
|
|
var GrabToPan = grabToPan.GrabToPan;
|
||
|
|
var Preferences = preferences.Preferences;
|
||
|
|
var localized = uiUtils.localized;
|
||
|
|
var HandTool = function HandToolClosure() {
|
||
|
|
function HandTool(options) {
|
||
|
|
this.container = options.container;
|
||
|
|
this.eventBus = options.eventBus;
|
||
|
|
this.wasActive = false;
|
||
|
|
this.handTool = new GrabToPan({
|
||
|
|
element: this.container,
|
||
|
|
onActiveChanged: function (isActive) {
|
||
|
|
this.eventBus.dispatch('handtoolchanged', { isActive: isActive });
|
||
|
|
}.bind(this)
|
||
|
|
});
|
||
|
|
this.eventBus.on('togglehandtool', this.toggle.bind(this));
|
||
|
|
Promise.all([
|
||
|
|
localized,
|
||
|
|
Preferences.get('enableHandToolOnLoad')
|
||
|
|
]).then(function resolved(values) {
|
||
|
|
if (values[1] === true) {
|
||
|
|
this.handTool.activate();
|
||
|
|
}
|
||
|
|
}.bind(this)).catch(function rejected(reason) {
|
||
|
|
});
|
||
|
|
this.eventBus.on('presentationmodechanged', function (e) {
|
||
|
|
if (e.switchInProgress) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (e.active) {
|
||
|
|
this.enterPresentationMode();
|
||
|
|
} else {
|
||
|
|
this.exitPresentationMode();
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
}
|
||
|
|
HandTool.prototype = {
|
||
|
|
get isActive() {
|
||
|
|
return !!this.handTool.active;
|
||
|
|
},
|
||
|
|
toggle: function HandTool_toggle() {
|
||
|
|
this.handTool.toggle();
|
||
|
|
},
|
||
|
|
enterPresentationMode: function HandTool_enterPresentationMode() {
|
||
|
|
if (this.isActive) {
|
||
|
|
this.wasActive = true;
|
||
|
|
this.handTool.deactivate();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
exitPresentationMode: function HandTool_exitPresentationMode() {
|
||
|
|
if (this.wasActive) {
|
||
|
|
this.wasActive = false;
|
||
|
|
this.handTool.activate();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return HandTool;
|
||
|
|
}();
|
||
|
|
exports.HandTool = HandTool;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPasswordPrompt = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, uiUtils, overlayManager, pdfjsLib) {
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var OverlayManager = overlayManager.OverlayManager;
|
||
|
|
var PasswordPrompt = function PasswordPromptClosure() {
|
||
|
|
function PasswordPrompt(options) {
|
||
|
|
this.overlayName = options.overlayName;
|
||
|
|
this.container = options.container;
|
||
|
|
this.label = options.label;
|
||
|
|
this.input = options.input;
|
||
|
|
this.submitButton = options.submitButton;
|
||
|
|
this.cancelButton = options.cancelButton;
|
||
|
|
this.updateCallback = null;
|
||
|
|
this.reason = null;
|
||
|
|
this.submitButton.addEventListener('click', this.verify.bind(this));
|
||
|
|
this.cancelButton.addEventListener('click', this.close.bind(this));
|
||
|
|
this.input.addEventListener('keydown', function (e) {
|
||
|
|
if (e.keyCode === 13) {
|
||
|
|
this.verify();
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
OverlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
|
||
|
|
}
|
||
|
|
PasswordPrompt.prototype = {
|
||
|
|
open: function PasswordPrompt_open() {
|
||
|
|
OverlayManager.open(this.overlayName).then(function () {
|
||
|
|
this.input.type = 'password';
|
||
|
|
this.input.focus();
|
||
|
|
var promptString = mozL10n.get('password_label', null, 'Enter the password to open this PDF file.');
|
||
|
|
if (this.reason === pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
|
||
|
|
promptString = mozL10n.get('password_invalid', null, 'Invalid password. Please try again.');
|
||
|
|
}
|
||
|
|
this.label.textContent = promptString;
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
close: function PasswordPrompt_close() {
|
||
|
|
OverlayManager.close(this.overlayName).then(function () {
|
||
|
|
this.input.value = '';
|
||
|
|
this.input.type = '';
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
verify: function PasswordPrompt_verify() {
|
||
|
|
var password = this.input.value;
|
||
|
|
if (password && password.length > 0) {
|
||
|
|
this.close();
|
||
|
|
return this.updateCallback(password);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setUpdateCallback: function PasswordPrompt_setUpdateCallback(updateCallback, reason) {
|
||
|
|
this.updateCallback = updateCallback;
|
||
|
|
this.reason = reason;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PasswordPrompt;
|
||
|
|
}();
|
||
|
|
exports.PasswordPrompt = PasswordPrompt;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFDocumentProperties = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager);
|
||
|
|
}(this, function (exports, uiUtils, overlayManager) {
|
||
|
|
var getPDFFileNameFromURL = uiUtils.getPDFFileNameFromURL;
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var OverlayManager = overlayManager.OverlayManager;
|
||
|
|
var PDFDocumentProperties = function PDFDocumentPropertiesClosure() {
|
||
|
|
function PDFDocumentProperties(options) {
|
||
|
|
this.fields = options.fields;
|
||
|
|
this.overlayName = options.overlayName;
|
||
|
|
this.container = options.container;
|
||
|
|
this.rawFileSize = 0;
|
||
|
|
this.url = null;
|
||
|
|
this.pdfDocument = null;
|
||
|
|
if (options.closeButton) {
|
||
|
|
options.closeButton.addEventListener('click', this.close.bind(this));
|
||
|
|
}
|
||
|
|
this.dataAvailablePromise = new Promise(function (resolve) {
|
||
|
|
this.resolveDataAvailable = resolve;
|
||
|
|
}.bind(this));
|
||
|
|
OverlayManager.register(this.overlayName, this.container, this.close.bind(this));
|
||
|
|
}
|
||
|
|
PDFDocumentProperties.prototype = {
|
||
|
|
open: function PDFDocumentProperties_open() {
|
||
|
|
Promise.all([
|
||
|
|
OverlayManager.open(this.overlayName),
|
||
|
|
this.dataAvailablePromise
|
||
|
|
]).then(function () {
|
||
|
|
this._getProperties();
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
close: function PDFDocumentProperties_close() {
|
||
|
|
OverlayManager.close(this.overlayName);
|
||
|
|
},
|
||
|
|
setFileSize: function PDFDocumentProperties_setFileSize(fileSize) {
|
||
|
|
if (fileSize > 0) {
|
||
|
|
this.rawFileSize = fileSize;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setDocumentAndUrl: function PDFDocumentProperties_setDocumentAndUrl(pdfDocument, url) {
|
||
|
|
this.pdfDocument = pdfDocument;
|
||
|
|
this.url = url;
|
||
|
|
this.resolveDataAvailable();
|
||
|
|
},
|
||
|
|
_getProperties: function PDFDocumentProperties_getProperties() {
|
||
|
|
if (!OverlayManager.active) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.pdfDocument.getDownloadInfo().then(function (data) {
|
||
|
|
if (data.length === this.rawFileSize) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.setFileSize(data.length);
|
||
|
|
this._updateUI(this.fields['fileSize'], this._parseFileSize());
|
||
|
|
}.bind(this));
|
||
|
|
this.pdfDocument.getMetadata().then(function (data) {
|
||
|
|
var content = {
|
||
|
|
'fileName': getPDFFileNameFromURL(this.url),
|
||
|
|
'fileSize': this._parseFileSize(),
|
||
|
|
'title': data.info.Title,
|
||
|
|
'author': data.info.Author,
|
||
|
|
'subject': data.info.Subject,
|
||
|
|
'keywords': data.info.Keywords,
|
||
|
|
'creationDate': this._parseDate(data.info.CreationDate),
|
||
|
|
'modificationDate': this._parseDate(data.info.ModDate),
|
||
|
|
'creator': data.info.Creator,
|
||
|
|
'producer': data.info.Producer,
|
||
|
|
'version': data.info.PDFFormatVersion,
|
||
|
|
'pageCount': this.pdfDocument.numPages
|
||
|
|
};
|
||
|
|
for (var identifier in content) {
|
||
|
|
this._updateUI(this.fields[identifier], content[identifier]);
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
_updateUI: function PDFDocumentProperties_updateUI(field, content) {
|
||
|
|
if (field && content !== undefined && content !== '') {
|
||
|
|
field.textContent = content;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_parseFileSize: function PDFDocumentProperties_parseFileSize() {
|
||
|
|
var fileSize = this.rawFileSize, kb = fileSize / 1024;
|
||
|
|
if (!kb) {
|
||
|
|
return;
|
||
|
|
} else if (kb < 1024) {
|
||
|
|
return mozL10n.get('document_properties_kb', {
|
||
|
|
size_kb: (+kb.toPrecision(3)).toLocaleString(),
|
||
|
|
size_b: fileSize.toLocaleString()
|
||
|
|
}, '{{size_kb}} KB ({{size_b}} bytes)');
|
||
|
|
}
|
||
|
|
return mozL10n.get('document_properties_mb', {
|
||
|
|
size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
|
||
|
|
size_b: fileSize.toLocaleString()
|
||
|
|
}, '{{size_mb}} MB ({{size_b}} bytes)');
|
||
|
|
},
|
||
|
|
_parseDate: function PDFDocumentProperties_parseDate(inputDate) {
|
||
|
|
var dateToParse = inputDate;
|
||
|
|
if (dateToParse === undefined) {
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
if (dateToParse.substring(0, 2) === 'D:') {
|
||
|
|
dateToParse = dateToParse.substring(2);
|
||
|
|
}
|
||
|
|
var year = parseInt(dateToParse.substring(0, 4), 10);
|
||
|
|
var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
|
||
|
|
var day = parseInt(dateToParse.substring(6, 8), 10);
|
||
|
|
var hours = parseInt(dateToParse.substring(8, 10), 10);
|
||
|
|
var minutes = parseInt(dateToParse.substring(10, 12), 10);
|
||
|
|
var seconds = parseInt(dateToParse.substring(12, 14), 10);
|
||
|
|
var utRel = dateToParse.substring(14, 15);
|
||
|
|
var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
|
||
|
|
var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
|
||
|
|
if (utRel === '-') {
|
||
|
|
hours += offsetHours;
|
||
|
|
minutes += offsetMinutes;
|
||
|
|
} else if (utRel === '+') {
|
||
|
|
hours -= offsetHours;
|
||
|
|
minutes -= offsetMinutes;
|
||
|
|
}
|
||
|
|
var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
|
||
|
|
var dateString = date.toLocaleDateString();
|
||
|
|
var timeString = date.toLocaleTimeString();
|
||
|
|
return mozL10n.get('document_properties_date_string', {
|
||
|
|
date: dateString,
|
||
|
|
time: timeString
|
||
|
|
}, '{{date}}, {{time}}');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFDocumentProperties;
|
||
|
|
}();
|
||
|
|
exports.PDFDocumentProperties = PDFDocumentProperties;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFFindController = {}, root.pdfjsWebUIUtils);
|
||
|
|
}(this, function (exports, uiUtils) {
|
||
|
|
var scrollIntoView = uiUtils.scrollIntoView;
|
||
|
|
var FindStates = {
|
||
|
|
FIND_FOUND: 0,
|
||
|
|
FIND_NOTFOUND: 1,
|
||
|
|
FIND_WRAPPED: 2,
|
||
|
|
FIND_PENDING: 3
|
||
|
|
};
|
||
|
|
var FIND_SCROLL_OFFSET_TOP = -50;
|
||
|
|
var FIND_SCROLL_OFFSET_LEFT = -400;
|
||
|
|
var CHARACTERS_TO_NORMALIZE = {
|
||
|
|
'\u2018': '\'',
|
||
|
|
'\u2019': '\'',
|
||
|
|
'\u201A': '\'',
|
||
|
|
'\u201B': '\'',
|
||
|
|
'\u201C': '"',
|
||
|
|
'\u201D': '"',
|
||
|
|
'\u201E': '"',
|
||
|
|
'\u201F': '"',
|
||
|
|
'\u00BC': '1/4',
|
||
|
|
'\u00BD': '1/2',
|
||
|
|
'\u00BE': '3/4'
|
||
|
|
};
|
||
|
|
var PDFFindController = function PDFFindControllerClosure() {
|
||
|
|
function PDFFindController(options) {
|
||
|
|
this.pdfViewer = options.pdfViewer || null;
|
||
|
|
this.onUpdateResultsCount = null;
|
||
|
|
this.onUpdateState = null;
|
||
|
|
this.reset();
|
||
|
|
var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
|
||
|
|
this.normalizationRegex = new RegExp('[' + replace + ']', 'g');
|
||
|
|
}
|
||
|
|
PDFFindController.prototype = {
|
||
|
|
reset: function PDFFindController_reset() {
|
||
|
|
this.startedTextExtraction = false;
|
||
|
|
this.extractTextPromises = [];
|
||
|
|
this.pendingFindMatches = Object.create(null);
|
||
|
|
this.active = false;
|
||
|
|
this.pageContents = [];
|
||
|
|
this.pageMatches = [];
|
||
|
|
this.pageMatchesLength = null;
|
||
|
|
this.matchCount = 0;
|
||
|
|
this.selected = {
|
||
|
|
pageIdx: -1,
|
||
|
|
matchIdx: -1
|
||
|
|
};
|
||
|
|
this.offset = {
|
||
|
|
pageIdx: null,
|
||
|
|
matchIdx: null
|
||
|
|
};
|
||
|
|
this.pagesToSearch = null;
|
||
|
|
this.resumePageIdx = null;
|
||
|
|
this.state = null;
|
||
|
|
this.dirtyMatch = false;
|
||
|
|
this.findTimeout = null;
|
||
|
|
this.firstPagePromise = new Promise(function (resolve) {
|
||
|
|
this.resolveFirstPage = resolve;
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
normalize: function PDFFindController_normalize(text) {
|
||
|
|
return text.replace(this.normalizationRegex, function (ch) {
|
||
|
|
return CHARACTERS_TO_NORMALIZE[ch];
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_prepareMatches: function PDFFindController_prepareMatches(matchesWithLength, matches, matchesLength) {
|
||
|
|
function isSubTerm(matchesWithLength, currentIndex) {
|
||
|
|
var currentElem, prevElem, nextElem;
|
||
|
|
currentElem = matchesWithLength[currentIndex];
|
||
|
|
nextElem = matchesWithLength[currentIndex + 1];
|
||
|
|
if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
|
||
|
|
currentElem.skipped = true;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
for (var i = currentIndex - 1; i >= 0; i--) {
|
||
|
|
prevElem = matchesWithLength[i];
|
||
|
|
if (prevElem.skipped) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
if (prevElem.match + prevElem.matchLength < currentElem.match) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
|
||
|
|
currentElem.skipped = true;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
var i, len;
|
||
|
|
matchesWithLength.sort(function (a, b) {
|
||
|
|
return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
|
||
|
|
});
|
||
|
|
for (i = 0, len = matchesWithLength.length; i < len; i++) {
|
||
|
|
if (isSubTerm(matchesWithLength, i)) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
matches.push(matchesWithLength[i].match);
|
||
|
|
matchesLength.push(matchesWithLength[i].matchLength);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
calcFindPhraseMatch: function PDFFindController_calcFindPhraseMatch(query, pageIndex, pageContent) {
|
||
|
|
var matches = [];
|
||
|
|
var queryLen = query.length;
|
||
|
|
var matchIdx = -queryLen;
|
||
|
|
while (true) {
|
||
|
|
matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
|
||
|
|
if (matchIdx === -1) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
matches.push(matchIdx);
|
||
|
|
}
|
||
|
|
this.pageMatches[pageIndex] = matches;
|
||
|
|
},
|
||
|
|
calcFindWordMatch: function PDFFindController_calcFindWordMatch(query, pageIndex, pageContent) {
|
||
|
|
var matchesWithLength = [];
|
||
|
|
var queryArray = query.match(/\S+/g);
|
||
|
|
var subquery, subqueryLen, matchIdx;
|
||
|
|
for (var i = 0, len = queryArray.length; i < len; i++) {
|
||
|
|
subquery = queryArray[i];
|
||
|
|
subqueryLen = subquery.length;
|
||
|
|
matchIdx = -subqueryLen;
|
||
|
|
while (true) {
|
||
|
|
matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
|
||
|
|
if (matchIdx === -1) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
matchesWithLength.push({
|
||
|
|
match: matchIdx,
|
||
|
|
matchLength: subqueryLen,
|
||
|
|
skipped: false
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!this.pageMatchesLength) {
|
||
|
|
this.pageMatchesLength = [];
|
||
|
|
}
|
||
|
|
this.pageMatchesLength[pageIndex] = [];
|
||
|
|
this.pageMatches[pageIndex] = [];
|
||
|
|
this._prepareMatches(matchesWithLength, this.pageMatches[pageIndex], this.pageMatchesLength[pageIndex]);
|
||
|
|
},
|
||
|
|
calcFindMatch: function PDFFindController_calcFindMatch(pageIndex) {
|
||
|
|
var pageContent = this.normalize(this.pageContents[pageIndex]);
|
||
|
|
var query = this.normalize(this.state.query);
|
||
|
|
var caseSensitive = this.state.caseSensitive;
|
||
|
|
var phraseSearch = this.state.phraseSearch;
|
||
|
|
var queryLen = query.length;
|
||
|
|
if (queryLen === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!caseSensitive) {
|
||
|
|
pageContent = pageContent.toLowerCase();
|
||
|
|
query = query.toLowerCase();
|
||
|
|
}
|
||
|
|
if (phraseSearch) {
|
||
|
|
this.calcFindPhraseMatch(query, pageIndex, pageContent);
|
||
|
|
} else {
|
||
|
|
this.calcFindWordMatch(query, pageIndex, pageContent);
|
||
|
|
}
|
||
|
|
this.updatePage(pageIndex);
|
||
|
|
if (this.resumePageIdx === pageIndex) {
|
||
|
|
this.resumePageIdx = null;
|
||
|
|
this.nextPageMatch();
|
||
|
|
}
|
||
|
|
if (this.pageMatches[pageIndex].length > 0) {
|
||
|
|
this.matchCount += this.pageMatches[pageIndex].length;
|
||
|
|
this.updateUIResultsCount();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
extractText: function PDFFindController_extractText() {
|
||
|
|
if (this.startedTextExtraction) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.startedTextExtraction = true;
|
||
|
|
this.pageContents = [];
|
||
|
|
var extractTextPromisesResolves = [];
|
||
|
|
var numPages = this.pdfViewer.pagesCount;
|
||
|
|
for (var i = 0; i < numPages; i++) {
|
||
|
|
this.extractTextPromises.push(new Promise(function (resolve) {
|
||
|
|
extractTextPromisesResolves.push(resolve);
|
||
|
|
}));
|
||
|
|
}
|
||
|
|
var self = this;
|
||
|
|
function extractPageText(pageIndex) {
|
||
|
|
self.pdfViewer.getPageTextContent(pageIndex).then(function textContentResolved(textContent) {
|
||
|
|
var textItems = textContent.items;
|
||
|
|
var str = [];
|
||
|
|
for (var i = 0, len = textItems.length; i < len; i++) {
|
||
|
|
str.push(textItems[i].str);
|
||
|
|
}
|
||
|
|
self.pageContents.push(str.join(''));
|
||
|
|
extractTextPromisesResolves[pageIndex](pageIndex);
|
||
|
|
if (pageIndex + 1 < self.pdfViewer.pagesCount) {
|
||
|
|
extractPageText(pageIndex + 1);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
extractPageText(0);
|
||
|
|
},
|
||
|
|
executeCommand: function PDFFindController_executeCommand(cmd, state) {
|
||
|
|
if (this.state === null || cmd !== 'findagain') {
|
||
|
|
this.dirtyMatch = true;
|
||
|
|
}
|
||
|
|
this.state = state;
|
||
|
|
this.updateUIState(FindStates.FIND_PENDING);
|
||
|
|
this.firstPagePromise.then(function () {
|
||
|
|
this.extractText();
|
||
|
|
clearTimeout(this.findTimeout);
|
||
|
|
if (cmd === 'find') {
|
||
|
|
this.findTimeout = setTimeout(this.nextMatch.bind(this), 250);
|
||
|
|
} else {
|
||
|
|
this.nextMatch();
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
updatePage: function PDFFindController_updatePage(index) {
|
||
|
|
if (this.selected.pageIdx === index) {
|
||
|
|
this.pdfViewer.currentPageNumber = index + 1;
|
||
|
|
}
|
||
|
|
var page = this.pdfViewer.getPageView(index);
|
||
|
|
if (page.textLayer) {
|
||
|
|
page.textLayer.updateMatches();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
nextMatch: function PDFFindController_nextMatch() {
|
||
|
|
var previous = this.state.findPrevious;
|
||
|
|
var currentPageIndex = this.pdfViewer.currentPageNumber - 1;
|
||
|
|
var numPages = this.pdfViewer.pagesCount;
|
||
|
|
this.active = true;
|
||
|
|
if (this.dirtyMatch) {
|
||
|
|
this.dirtyMatch = false;
|
||
|
|
this.selected.pageIdx = this.selected.matchIdx = -1;
|
||
|
|
this.offset.pageIdx = currentPageIndex;
|
||
|
|
this.offset.matchIdx = null;
|
||
|
|
this.hadMatch = false;
|
||
|
|
this.resumePageIdx = null;
|
||
|
|
this.pageMatches = [];
|
||
|
|
this.matchCount = 0;
|
||
|
|
this.pageMatchesLength = null;
|
||
|
|
var self = this;
|
||
|
|
for (var i = 0; i < numPages; i++) {
|
||
|
|
this.updatePage(i);
|
||
|
|
if (!(i in this.pendingFindMatches)) {
|
||
|
|
this.pendingFindMatches[i] = true;
|
||
|
|
this.extractTextPromises[i].then(function (pageIdx) {
|
||
|
|
delete self.pendingFindMatches[pageIdx];
|
||
|
|
self.calcFindMatch(pageIdx);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.state.query === '') {
|
||
|
|
this.updateUIState(FindStates.FIND_FOUND);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (this.resumePageIdx) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var offset = this.offset;
|
||
|
|
this.pagesToSearch = numPages;
|
||
|
|
if (offset.matchIdx !== null) {
|
||
|
|
var numPageMatches = this.pageMatches[offset.pageIdx].length;
|
||
|
|
if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
|
||
|
|
this.hadMatch = true;
|
||
|
|
offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
|
||
|
|
this.updateMatch(true);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.advanceOffsetPage(previous);
|
||
|
|
}
|
||
|
|
this.nextPageMatch();
|
||
|
|
},
|
||
|
|
matchesReady: function PDFFindController_matchesReady(matches) {
|
||
|
|
var offset = this.offset;
|
||
|
|
var numMatches = matches.length;
|
||
|
|
var previous = this.state.findPrevious;
|
||
|
|
if (numMatches) {
|
||
|
|
this.hadMatch = true;
|
||
|
|
offset.matchIdx = previous ? numMatches - 1 : 0;
|
||
|
|
this.updateMatch(true);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
this.advanceOffsetPage(previous);
|
||
|
|
if (offset.wrapped) {
|
||
|
|
offset.matchIdx = null;
|
||
|
|
if (this.pagesToSearch < 0) {
|
||
|
|
this.updateMatch(false);
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
updateMatchPosition: function PDFFindController_updateMatchPosition(pageIndex, index, elements, beginIdx) {
|
||
|
|
if (this.selected.matchIdx === index && this.selected.pageIdx === pageIndex) {
|
||
|
|
var spot = {
|
||
|
|
top: FIND_SCROLL_OFFSET_TOP,
|
||
|
|
left: FIND_SCROLL_OFFSET_LEFT
|
||
|
|
};
|
||
|
|
scrollIntoView(elements[beginIdx], spot, true);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
nextPageMatch: function PDFFindController_nextPageMatch() {
|
||
|
|
if (this.resumePageIdx !== null) {
|
||
|
|
console.error('There can only be one pending page.');
|
||
|
|
}
|
||
|
|
do {
|
||
|
|
var pageIdx = this.offset.pageIdx;
|
||
|
|
var matches = this.pageMatches[pageIdx];
|
||
|
|
if (!matches) {
|
||
|
|
this.resumePageIdx = pageIdx;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} while (!this.matchesReady(matches));
|
||
|
|
},
|
||
|
|
advanceOffsetPage: function PDFFindController_advanceOffsetPage(previous) {
|
||
|
|
var offset = this.offset;
|
||
|
|
var numPages = this.extractTextPromises.length;
|
||
|
|
offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
|
||
|
|
offset.matchIdx = null;
|
||
|
|
this.pagesToSearch--;
|
||
|
|
if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
|
||
|
|
offset.pageIdx = previous ? numPages - 1 : 0;
|
||
|
|
offset.wrapped = true;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updateMatch: function PDFFindController_updateMatch(found) {
|
||
|
|
var state = FindStates.FIND_NOTFOUND;
|
||
|
|
var wrapped = this.offset.wrapped;
|
||
|
|
this.offset.wrapped = false;
|
||
|
|
if (found) {
|
||
|
|
var previousPage = this.selected.pageIdx;
|
||
|
|
this.selected.pageIdx = this.offset.pageIdx;
|
||
|
|
this.selected.matchIdx = this.offset.matchIdx;
|
||
|
|
state = wrapped ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND;
|
||
|
|
if (previousPage !== -1 && previousPage !== this.selected.pageIdx) {
|
||
|
|
this.updatePage(previousPage);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.updateUIState(state, this.state.findPrevious);
|
||
|
|
if (this.selected.pageIdx !== -1) {
|
||
|
|
this.updatePage(this.selected.pageIdx);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updateUIResultsCount: function PDFFindController_updateUIResultsCount() {
|
||
|
|
if (this.onUpdateResultsCount) {
|
||
|
|
this.onUpdateResultsCount(this.matchCount);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updateUIState: function PDFFindController_updateUIState(state, previous) {
|
||
|
|
if (this.onUpdateState) {
|
||
|
|
this.onUpdateState(state, previous, this.matchCount);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFFindController;
|
||
|
|
}();
|
||
|
|
exports.FindStates = FindStates;
|
||
|
|
exports.PDFFindController = PDFFindController;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFPresentationMode = {}, root.pdfjsWebUIUtils);
|
||
|
|
}(this, function (exports, uiUtils) {
|
||
|
|
var normalizeWheelEventDelta = uiUtils.normalizeWheelEventDelta;
|
||
|
|
var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
|
||
|
|
var DELAY_BEFORE_HIDING_CONTROLS = 3000;
|
||
|
|
var ACTIVE_SELECTOR = 'pdfPresentationMode';
|
||
|
|
var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
|
||
|
|
var PDFPresentationMode = function PDFPresentationModeClosure() {
|
||
|
|
function PDFPresentationMode(options) {
|
||
|
|
this.container = options.container;
|
||
|
|
this.viewer = options.viewer || options.container.firstElementChild;
|
||
|
|
this.pdfViewer = options.pdfViewer;
|
||
|
|
this.eventBus = options.eventBus;
|
||
|
|
var contextMenuItems = options.contextMenuItems || null;
|
||
|
|
this.active = false;
|
||
|
|
this.args = null;
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
this.mouseScrollTimeStamp = 0;
|
||
|
|
this.mouseScrollDelta = 0;
|
||
|
|
this.touchSwipeState = null;
|
||
|
|
if (contextMenuItems) {
|
||
|
|
contextMenuItems.contextFirstPage.addEventListener('click', function PDFPresentationMode_contextFirstPageClick(e) {
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
this.eventBus.dispatch('firstpage');
|
||
|
|
}.bind(this));
|
||
|
|
contextMenuItems.contextLastPage.addEventListener('click', function PDFPresentationMode_contextLastPageClick(e) {
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
this.eventBus.dispatch('lastpage');
|
||
|
|
}.bind(this));
|
||
|
|
contextMenuItems.contextPageRotateCw.addEventListener('click', function PDFPresentationMode_contextPageRotateCwClick(e) {
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
this.eventBus.dispatch('rotatecw');
|
||
|
|
}.bind(this));
|
||
|
|
contextMenuItems.contextPageRotateCcw.addEventListener('click', function PDFPresentationMode_contextPageRotateCcwClick(e) {
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
this.eventBus.dispatch('rotateccw');
|
||
|
|
}.bind(this));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
PDFPresentationMode.prototype = {
|
||
|
|
request: function PDFPresentationMode_request() {
|
||
|
|
if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
this._addFullscreenChangeListeners();
|
||
|
|
this._setSwitchInProgress();
|
||
|
|
this._notifyStateChange();
|
||
|
|
if (this.container.requestFullscreen) {
|
||
|
|
this.container.requestFullscreen();
|
||
|
|
} else if (this.container.mozRequestFullScreen) {
|
||
|
|
this.container.mozRequestFullScreen();
|
||
|
|
} else if (this.container.webkitRequestFullscreen) {
|
||
|
|
this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
|
||
|
|
} else if (this.container.msRequestFullscreen) {
|
||
|
|
this.container.msRequestFullscreen();
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
this.args = {
|
||
|
|
page: this.pdfViewer.currentPageNumber,
|
||
|
|
previousScale: this.pdfViewer.currentScaleValue
|
||
|
|
};
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
_mouseWheel: function PDFPresentationMode_mouseWheel(evt) {
|
||
|
|
if (!this.active) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
evt.preventDefault();
|
||
|
|
var delta = normalizeWheelEventDelta(evt);
|
||
|
|
var MOUSE_SCROLL_COOLDOWN_TIME = 50;
|
||
|
|
var PAGE_SWITCH_THRESHOLD = 0.1;
|
||
|
|
var currentTime = new Date().getTime();
|
||
|
|
var storedTime = this.mouseScrollTimeStamp;
|
||
|
|
if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
|
||
|
|
this._resetMouseScrollState();
|
||
|
|
}
|
||
|
|
this.mouseScrollDelta += delta;
|
||
|
|
if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
|
||
|
|
var totalDelta = this.mouseScrollDelta;
|
||
|
|
this._resetMouseScrollState();
|
||
|
|
var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
|
||
|
|
if (success) {
|
||
|
|
this.mouseScrollTimeStamp = currentTime;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
get isFullscreen() {
|
||
|
|
return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
|
||
|
|
},
|
||
|
|
_goToPreviousPage: function PDFPresentationMode_goToPreviousPage() {
|
||
|
|
var page = this.pdfViewer.currentPageNumber;
|
||
|
|
if (page <= 1) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
this.pdfViewer.currentPageNumber = page - 1;
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
_goToNextPage: function PDFPresentationMode_goToNextPage() {
|
||
|
|
var page = this.pdfViewer.currentPageNumber;
|
||
|
|
if (page >= this.pdfViewer.pagesCount) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
this.pdfViewer.currentPageNumber = page + 1;
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
_notifyStateChange: function PDFPresentationMode_notifyStateChange() {
|
||
|
|
this.eventBus.dispatch('presentationmodechanged', {
|
||
|
|
source: this,
|
||
|
|
active: this.active,
|
||
|
|
switchInProgress: !!this.switchInProgress
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_setSwitchInProgress: function PDFPresentationMode_setSwitchInProgress() {
|
||
|
|
if (this.switchInProgress) {
|
||
|
|
clearTimeout(this.switchInProgress);
|
||
|
|
}
|
||
|
|
this.switchInProgress = setTimeout(function switchInProgressTimeout() {
|
||
|
|
this._removeFullscreenChangeListeners();
|
||
|
|
delete this.switchInProgress;
|
||
|
|
this._notifyStateChange();
|
||
|
|
}.bind(this), DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
|
||
|
|
},
|
||
|
|
_resetSwitchInProgress: function PDFPresentationMode_resetSwitchInProgress() {
|
||
|
|
if (this.switchInProgress) {
|
||
|
|
clearTimeout(this.switchInProgress);
|
||
|
|
delete this.switchInProgress;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_enter: function PDFPresentationMode_enter() {
|
||
|
|
this.active = true;
|
||
|
|
this._resetSwitchInProgress();
|
||
|
|
this._notifyStateChange();
|
||
|
|
this.container.classList.add(ACTIVE_SELECTOR);
|
||
|
|
setTimeout(function enterPresentationModeTimeout() {
|
||
|
|
this.pdfViewer.currentPageNumber = this.args.page;
|
||
|
|
this.pdfViewer.currentScaleValue = 'page-fit';
|
||
|
|
}.bind(this), 0);
|
||
|
|
this._addWindowListeners();
|
||
|
|
this._showControls();
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
this.container.setAttribute('contextmenu', 'viewerContextMenu');
|
||
|
|
window.getSelection().removeAllRanges();
|
||
|
|
},
|
||
|
|
_exit: function PDFPresentationMode_exit() {
|
||
|
|
var page = this.pdfViewer.currentPageNumber;
|
||
|
|
this.container.classList.remove(ACTIVE_SELECTOR);
|
||
|
|
setTimeout(function exitPresentationModeTimeout() {
|
||
|
|
this.active = false;
|
||
|
|
this._removeFullscreenChangeListeners();
|
||
|
|
this._notifyStateChange();
|
||
|
|
this.pdfViewer.currentScaleValue = this.args.previousScale;
|
||
|
|
this.pdfViewer.currentPageNumber = page;
|
||
|
|
this.args = null;
|
||
|
|
}.bind(this), 0);
|
||
|
|
this._removeWindowListeners();
|
||
|
|
this._hideControls();
|
||
|
|
this._resetMouseScrollState();
|
||
|
|
this.container.removeAttribute('contextmenu');
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
},
|
||
|
|
_mouseDown: function PDFPresentationMode_mouseDown(evt) {
|
||
|
|
if (this.contextMenuOpen) {
|
||
|
|
this.contextMenuOpen = false;
|
||
|
|
evt.preventDefault();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (evt.button === 0) {
|
||
|
|
var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');
|
||
|
|
if (!isInternalLink) {
|
||
|
|
evt.preventDefault();
|
||
|
|
this.pdfViewer.currentPageNumber += evt.shiftKey ? -1 : 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_contextMenu: function PDFPresentationMode_contextMenu() {
|
||
|
|
this.contextMenuOpen = true;
|
||
|
|
},
|
||
|
|
_showControls: function PDFPresentationMode_showControls() {
|
||
|
|
if (this.controlsTimeout) {
|
||
|
|
clearTimeout(this.controlsTimeout);
|
||
|
|
} else {
|
||
|
|
this.container.classList.add(CONTROLS_SELECTOR);
|
||
|
|
}
|
||
|
|
this.controlsTimeout = setTimeout(function showControlsTimeout() {
|
||
|
|
this.container.classList.remove(CONTROLS_SELECTOR);
|
||
|
|
delete this.controlsTimeout;
|
||
|
|
}.bind(this), DELAY_BEFORE_HIDING_CONTROLS);
|
||
|
|
},
|
||
|
|
_hideControls: function PDFPresentationMode_hideControls() {
|
||
|
|
if (!this.controlsTimeout) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
clearTimeout(this.controlsTimeout);
|
||
|
|
this.container.classList.remove(CONTROLS_SELECTOR);
|
||
|
|
delete this.controlsTimeout;
|
||
|
|
},
|
||
|
|
_resetMouseScrollState: function PDFPresentationMode_resetMouseScrollState() {
|
||
|
|
this.mouseScrollTimeStamp = 0;
|
||
|
|
this.mouseScrollDelta = 0;
|
||
|
|
},
|
||
|
|
_touchSwipe: function PDFPresentationMode_touchSwipe(evt) {
|
||
|
|
if (!this.active) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
|
||
|
|
var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
|
||
|
|
if (evt.touches.length > 1) {
|
||
|
|
this.touchSwipeState = null;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch (evt.type) {
|
||
|
|
case 'touchstart':
|
||
|
|
this.touchSwipeState = {
|
||
|
|
startX: evt.touches[0].pageX,
|
||
|
|
startY: evt.touches[0].pageY,
|
||
|
|
endX: evt.touches[0].pageX,
|
||
|
|
endY: evt.touches[0].pageY
|
||
|
|
};
|
||
|
|
break;
|
||
|
|
case 'touchmove':
|
||
|
|
if (this.touchSwipeState === null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.touchSwipeState.endX = evt.touches[0].pageX;
|
||
|
|
this.touchSwipeState.endY = evt.touches[0].pageY;
|
||
|
|
evt.preventDefault();
|
||
|
|
break;
|
||
|
|
case 'touchend':
|
||
|
|
if (this.touchSwipeState === null) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var delta = 0;
|
||
|
|
var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
|
||
|
|
var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
|
||
|
|
var absAngle = Math.abs(Math.atan2(dy, dx));
|
||
|
|
if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
|
||
|
|
delta = dx;
|
||
|
|
} else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
|
||
|
|
delta = dy;
|
||
|
|
}
|
||
|
|
if (delta > 0) {
|
||
|
|
this._goToPreviousPage();
|
||
|
|
} else if (delta < 0) {
|
||
|
|
this._goToNextPage();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_addWindowListeners: function PDFPresentationMode_addWindowListeners() {
|
||
|
|
this.showControlsBind = this._showControls.bind(this);
|
||
|
|
this.mouseDownBind = this._mouseDown.bind(this);
|
||
|
|
this.mouseWheelBind = this._mouseWheel.bind(this);
|
||
|
|
this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
|
||
|
|
this.contextMenuBind = this._contextMenu.bind(this);
|
||
|
|
this.touchSwipeBind = this._touchSwipe.bind(this);
|
||
|
|
window.addEventListener('mousemove', this.showControlsBind);
|
||
|
|
window.addEventListener('mousedown', this.mouseDownBind);
|
||
|
|
window.addEventListener('wheel', this.mouseWheelBind);
|
||
|
|
window.addEventListener('keydown', this.resetMouseScrollStateBind);
|
||
|
|
window.addEventListener('contextmenu', this.contextMenuBind);
|
||
|
|
window.addEventListener('touchstart', this.touchSwipeBind);
|
||
|
|
window.addEventListener('touchmove', this.touchSwipeBind);
|
||
|
|
window.addEventListener('touchend', this.touchSwipeBind);
|
||
|
|
},
|
||
|
|
_removeWindowListeners: function PDFPresentationMode_removeWindowListeners() {
|
||
|
|
window.removeEventListener('mousemove', this.showControlsBind);
|
||
|
|
window.removeEventListener('mousedown', this.mouseDownBind);
|
||
|
|
window.removeEventListener('wheel', this.mouseWheelBind);
|
||
|
|
window.removeEventListener('keydown', this.resetMouseScrollStateBind);
|
||
|
|
window.removeEventListener('contextmenu', this.contextMenuBind);
|
||
|
|
window.removeEventListener('touchstart', this.touchSwipeBind);
|
||
|
|
window.removeEventListener('touchmove', this.touchSwipeBind);
|
||
|
|
window.removeEventListener('touchend', this.touchSwipeBind);
|
||
|
|
delete this.showControlsBind;
|
||
|
|
delete this.mouseDownBind;
|
||
|
|
delete this.mouseWheelBind;
|
||
|
|
delete this.resetMouseScrollStateBind;
|
||
|
|
delete this.contextMenuBind;
|
||
|
|
delete this.touchSwipeBind;
|
||
|
|
},
|
||
|
|
_fullscreenChange: function PDFPresentationMode_fullscreenChange() {
|
||
|
|
if (this.isFullscreen) {
|
||
|
|
this._enter();
|
||
|
|
} else {
|
||
|
|
this._exit();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_addFullscreenChangeListeners: function PDFPresentationMode_addFullscreenChangeListeners() {
|
||
|
|
this.fullscreenChangeBind = this._fullscreenChange.bind(this);
|
||
|
|
window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
|
||
|
|
window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
|
||
|
|
window.addEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
|
||
|
|
window.addEventListener('MSFullscreenChange', this.fullscreenChangeBind);
|
||
|
|
},
|
||
|
|
_removeFullscreenChangeListeners: function PDFPresentationMode_removeFullscreenChangeListeners() {
|
||
|
|
window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
|
||
|
|
window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
|
||
|
|
window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
|
||
|
|
window.removeEventListener('MSFullscreenChange', this.fullscreenChangeBind);
|
||
|
|
delete this.fullscreenChangeBind;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFPresentationMode;
|
||
|
|
}();
|
||
|
|
exports.PDFPresentationMode = PDFPresentationMode;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFThumbnailView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue);
|
||
|
|
}(this, function (exports, uiUtils, pdfRenderingQueue) {
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var getOutputScale = uiUtils.getOutputScale;
|
||
|
|
var RenderingStates = pdfRenderingQueue.RenderingStates;
|
||
|
|
var THUMBNAIL_WIDTH = 98;
|
||
|
|
var THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
|
||
|
|
var PDFThumbnailView = function PDFThumbnailViewClosure() {
|
||
|
|
function getTempCanvas(width, height) {
|
||
|
|
var tempCanvas = PDFThumbnailView.tempImageCache;
|
||
|
|
if (!tempCanvas) {
|
||
|
|
tempCanvas = document.createElement('canvas');
|
||
|
|
PDFThumbnailView.tempImageCache = tempCanvas;
|
||
|
|
}
|
||
|
|
tempCanvas.width = width;
|
||
|
|
tempCanvas.height = height;
|
||
|
|
tempCanvas.mozOpaque = true;
|
||
|
|
var ctx = tempCanvas.getContext('2d', { alpha: false });
|
||
|
|
ctx.save();
|
||
|
|
ctx.fillStyle = 'rgb(255, 255, 255)';
|
||
|
|
ctx.fillRect(0, 0, width, height);
|
||
|
|
ctx.restore();
|
||
|
|
return tempCanvas;
|
||
|
|
}
|
||
|
|
function PDFThumbnailView(options) {
|
||
|
|
var container = options.container;
|
||
|
|
var id = options.id;
|
||
|
|
var defaultViewport = options.defaultViewport;
|
||
|
|
var linkService = options.linkService;
|
||
|
|
var renderingQueue = options.renderingQueue;
|
||
|
|
var disableCanvasToImageConversion = options.disableCanvasToImageConversion || false;
|
||
|
|
this.id = id;
|
||
|
|
this.renderingId = 'thumbnail' + id;
|
||
|
|
this.pageLabel = null;
|
||
|
|
this.pdfPage = null;
|
||
|
|
this.rotation = 0;
|
||
|
|
this.viewport = defaultViewport;
|
||
|
|
this.pdfPageRotate = defaultViewport.rotation;
|
||
|
|
this.linkService = linkService;
|
||
|
|
this.renderingQueue = renderingQueue;
|
||
|
|
this.renderTask = null;
|
||
|
|
this.renderingState = RenderingStates.INITIAL;
|
||
|
|
this.resume = null;
|
||
|
|
this.disableCanvasToImageConversion = disableCanvasToImageConversion;
|
||
|
|
this.pageWidth = this.viewport.width;
|
||
|
|
this.pageHeight = this.viewport.height;
|
||
|
|
this.pageRatio = this.pageWidth / this.pageHeight;
|
||
|
|
this.canvasWidth = THUMBNAIL_WIDTH;
|
||
|
|
this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
|
||
|
|
this.scale = this.canvasWidth / this.pageWidth;
|
||
|
|
var anchor = document.createElement('a');
|
||
|
|
anchor.href = linkService.getAnchorUrl('#page=' + id);
|
||
|
|
anchor.title = mozL10n.get('thumb_page_title', { page: id }, 'Page {{page}}');
|
||
|
|
anchor.onclick = function stopNavigation() {
|
||
|
|
linkService.page = id;
|
||
|
|
return false;
|
||
|
|
};
|
||
|
|
this.anchor = anchor;
|
||
|
|
var div = document.createElement('div');
|
||
|
|
div.className = 'thumbnail';
|
||
|
|
div.setAttribute('data-page-number', this.id);
|
||
|
|
this.div = div;
|
||
|
|
if (id === 1) {
|
||
|
|
div.classList.add('selected');
|
||
|
|
}
|
||
|
|
var ring = document.createElement('div');
|
||
|
|
ring.className = 'thumbnailSelectionRing';
|
||
|
|
var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
|
||
|
|
ring.style.width = this.canvasWidth + borderAdjustment + 'px';
|
||
|
|
ring.style.height = this.canvasHeight + borderAdjustment + 'px';
|
||
|
|
this.ring = ring;
|
||
|
|
div.appendChild(ring);
|
||
|
|
anchor.appendChild(div);
|
||
|
|
container.appendChild(anchor);
|
||
|
|
}
|
||
|
|
PDFThumbnailView.prototype = {
|
||
|
|
setPdfPage: function PDFThumbnailView_setPdfPage(pdfPage) {
|
||
|
|
this.pdfPage = pdfPage;
|
||
|
|
this.pdfPageRotate = pdfPage.rotate;
|
||
|
|
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||
|
|
this.viewport = pdfPage.getViewport(1, totalRotation);
|
||
|
|
this.reset();
|
||
|
|
},
|
||
|
|
reset: function PDFThumbnailView_reset() {
|
||
|
|
this.cancelRendering();
|
||
|
|
this.pageWidth = this.viewport.width;
|
||
|
|
this.pageHeight = this.viewport.height;
|
||
|
|
this.pageRatio = this.pageWidth / this.pageHeight;
|
||
|
|
this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
|
||
|
|
this.scale = this.canvasWidth / this.pageWidth;
|
||
|
|
this.div.removeAttribute('data-loaded');
|
||
|
|
var ring = this.ring;
|
||
|
|
var childNodes = ring.childNodes;
|
||
|
|
for (var i = childNodes.length - 1; i >= 0; i--) {
|
||
|
|
ring.removeChild(childNodes[i]);
|
||
|
|
}
|
||
|
|
var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
|
||
|
|
ring.style.width = this.canvasWidth + borderAdjustment + 'px';
|
||
|
|
ring.style.height = this.canvasHeight + borderAdjustment + 'px';
|
||
|
|
if (this.canvas) {
|
||
|
|
this.canvas.width = 0;
|
||
|
|
this.canvas.height = 0;
|
||
|
|
delete this.canvas;
|
||
|
|
}
|
||
|
|
if (this.image) {
|
||
|
|
this.image.removeAttribute('src');
|
||
|
|
delete this.image;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
update: function PDFThumbnailView_update(rotation) {
|
||
|
|
if (typeof rotation !== 'undefined') {
|
||
|
|
this.rotation = rotation;
|
||
|
|
}
|
||
|
|
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||
|
|
this.viewport = this.viewport.clone({
|
||
|
|
scale: 1,
|
||
|
|
rotation: totalRotation
|
||
|
|
});
|
||
|
|
this.reset();
|
||
|
|
},
|
||
|
|
cancelRendering: function PDFThumbnailView_cancelRendering() {
|
||
|
|
if (this.renderTask) {
|
||
|
|
this.renderTask.cancel();
|
||
|
|
this.renderTask = null;
|
||
|
|
}
|
||
|
|
this.renderingState = RenderingStates.INITIAL;
|
||
|
|
this.resume = null;
|
||
|
|
},
|
||
|
|
_getPageDrawContext: function PDFThumbnailView_getPageDrawContext(noCtxScale) {
|
||
|
|
var canvas = document.createElement('canvas');
|
||
|
|
this.canvas = canvas;
|
||
|
|
canvas.mozOpaque = true;
|
||
|
|
var ctx = canvas.getContext('2d', { alpha: false });
|
||
|
|
var outputScale = getOutputScale(ctx);
|
||
|
|
canvas.width = this.canvasWidth * outputScale.sx | 0;
|
||
|
|
canvas.height = this.canvasHeight * outputScale.sy | 0;
|
||
|
|
canvas.style.width = this.canvasWidth + 'px';
|
||
|
|
canvas.style.height = this.canvasHeight + 'px';
|
||
|
|
if (!noCtxScale && outputScale.scaled) {
|
||
|
|
ctx.scale(outputScale.sx, outputScale.sy);
|
||
|
|
}
|
||
|
|
return ctx;
|
||
|
|
},
|
||
|
|
_convertCanvasToImage: function PDFThumbnailView_convertCanvasToImage() {
|
||
|
|
if (!this.canvas) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (this.renderingState !== RenderingStates.FINISHED) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var id = this.renderingId;
|
||
|
|
var className = 'thumbnailImage';
|
||
|
|
var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
|
||
|
|
if (this.disableCanvasToImageConversion) {
|
||
|
|
this.canvas.id = id;
|
||
|
|
this.canvas.className = className;
|
||
|
|
this.canvas.setAttribute('aria-label', ariaLabel);
|
||
|
|
this.div.setAttribute('data-loaded', true);
|
||
|
|
this.ring.appendChild(this.canvas);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var image = document.createElement('img');
|
||
|
|
image.id = id;
|
||
|
|
image.className = className;
|
||
|
|
image.setAttribute('aria-label', ariaLabel);
|
||
|
|
image.style.width = this.canvasWidth + 'px';
|
||
|
|
image.style.height = this.canvasHeight + 'px';
|
||
|
|
image.src = this.canvas.toDataURL();
|
||
|
|
this.image = image;
|
||
|
|
this.div.setAttribute('data-loaded', true);
|
||
|
|
this.ring.appendChild(image);
|
||
|
|
this.canvas.width = 0;
|
||
|
|
this.canvas.height = 0;
|
||
|
|
delete this.canvas;
|
||
|
|
},
|
||
|
|
draw: function PDFThumbnailView_draw() {
|
||
|
|
if (this.renderingState !== RenderingStates.INITIAL) {
|
||
|
|
console.error('Must be in new state before drawing');
|
||
|
|
return Promise.resolve(undefined);
|
||
|
|
}
|
||
|
|
this.renderingState = RenderingStates.RUNNING;
|
||
|
|
var resolveRenderPromise, rejectRenderPromise;
|
||
|
|
var promise = new Promise(function (resolve, reject) {
|
||
|
|
resolveRenderPromise = resolve;
|
||
|
|
rejectRenderPromise = reject;
|
||
|
|
});
|
||
|
|
var self = this;
|
||
|
|
function thumbnailDrawCallback(error) {
|
||
|
|
if (renderTask === self.renderTask) {
|
||
|
|
self.renderTask = null;
|
||
|
|
}
|
||
|
|
if (error === 'cancelled') {
|
||
|
|
rejectRenderPromise(error);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
self.renderingState = RenderingStates.FINISHED;
|
||
|
|
self._convertCanvasToImage();
|
||
|
|
if (!error) {
|
||
|
|
resolveRenderPromise(undefined);
|
||
|
|
} else {
|
||
|
|
rejectRenderPromise(error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var ctx = this._getPageDrawContext();
|
||
|
|
var drawViewport = this.viewport.clone({ scale: this.scale });
|
||
|
|
var renderContinueCallback = function renderContinueCallback(cont) {
|
||
|
|
if (!self.renderingQueue.isHighestPriority(self)) {
|
||
|
|
self.renderingState = RenderingStates.PAUSED;
|
||
|
|
self.resume = function resumeCallback() {
|
||
|
|
self.renderingState = RenderingStates.RUNNING;
|
||
|
|
cont();
|
||
|
|
};
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
cont();
|
||
|
|
};
|
||
|
|
var renderContext = {
|
||
|
|
canvasContext: ctx,
|
||
|
|
viewport: drawViewport
|
||
|
|
};
|
||
|
|
var renderTask = this.renderTask = this.pdfPage.render(renderContext);
|
||
|
|
renderTask.onContinue = renderContinueCallback;
|
||
|
|
renderTask.promise.then(function pdfPageRenderCallback() {
|
||
|
|
thumbnailDrawCallback(null);
|
||
|
|
}, function pdfPageRenderError(error) {
|
||
|
|
thumbnailDrawCallback(error);
|
||
|
|
});
|
||
|
|
return promise;
|
||
|
|
},
|
||
|
|
setImage: function PDFThumbnailView_setImage(pageView) {
|
||
|
|
if (this.renderingState !== RenderingStates.INITIAL) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var img = pageView.canvas;
|
||
|
|
if (!img) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.pdfPage) {
|
||
|
|
this.setPdfPage(pageView.pdfPage);
|
||
|
|
}
|
||
|
|
this.renderingState = RenderingStates.FINISHED;
|
||
|
|
var ctx = this._getPageDrawContext(true);
|
||
|
|
var canvas = ctx.canvas;
|
||
|
|
if (img.width <= 2 * canvas.width) {
|
||
|
|
ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
|
||
|
|
this._convertCanvasToImage();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var MAX_NUM_SCALING_STEPS = 3;
|
||
|
|
var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
|
||
|
|
var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
|
||
|
|
var reducedImage = getTempCanvas(reducedWidth, reducedHeight);
|
||
|
|
var reducedImageCtx = reducedImage.getContext('2d');
|
||
|
|
while (reducedWidth > img.width || reducedHeight > img.height) {
|
||
|
|
reducedWidth >>= 1;
|
||
|
|
reducedHeight >>= 1;
|
||
|
|
}
|
||
|
|
reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
|
||
|
|
while (reducedWidth > 2 * canvas.width) {
|
||
|
|
reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
|
||
|
|
reducedWidth >>= 1;
|
||
|
|
reducedHeight >>= 1;
|
||
|
|
}
|
||
|
|
ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
|
||
|
|
this._convertCanvasToImage();
|
||
|
|
},
|
||
|
|
get pageId() {
|
||
|
|
return this.pageLabel !== null ? this.pageLabel : this.id;
|
||
|
|
},
|
||
|
|
setPageLabel: function PDFThumbnailView_setPageLabel(label) {
|
||
|
|
this.pageLabel = typeof label === 'string' ? label : null;
|
||
|
|
this.anchor.title = mozL10n.get('thumb_page_title', { page: this.pageId }, 'Page {{page}}');
|
||
|
|
if (this.renderingState !== RenderingStates.FINISHED) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
|
||
|
|
if (this.image) {
|
||
|
|
this.image.setAttribute('aria-label', ariaLabel);
|
||
|
|
} else if (this.disableCanvasToImageConversion && this.canvas) {
|
||
|
|
this.canvas.setAttribute('aria-label', ariaLabel);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFThumbnailView;
|
||
|
|
}();
|
||
|
|
PDFThumbnailView.tempImageCache = null;
|
||
|
|
exports.PDFThumbnailView = PDFThumbnailView;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebSecondaryToolbar = {}, root.pdfjsWebUIUtils);
|
||
|
|
}(this, function (exports, uiUtils) {
|
||
|
|
var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var SecondaryToolbar = function SecondaryToolbarClosure() {
|
||
|
|
function SecondaryToolbar(options, mainContainer, eventBus) {
|
||
|
|
this.toolbar = options.toolbar;
|
||
|
|
this.toggleButton = options.toggleButton;
|
||
|
|
this.toolbarButtonContainer = options.toolbarButtonContainer;
|
||
|
|
this.buttons = [
|
||
|
|
{
|
||
|
|
element: options.presentationModeButton,
|
||
|
|
eventName: 'presentationmode',
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.openFileButton,
|
||
|
|
eventName: 'openfile',
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.printButton,
|
||
|
|
eventName: 'print',
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.downloadButton,
|
||
|
|
eventName: 'download',
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.viewBookmarkButton,
|
||
|
|
eventName: null,
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.firstPageButton,
|
||
|
|
eventName: 'firstpage',
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.lastPageButton,
|
||
|
|
eventName: 'lastpage',
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.pageRotateCwButton,
|
||
|
|
eventName: 'rotatecw',
|
||
|
|
close: false
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.pageRotateCcwButton,
|
||
|
|
eventName: 'rotateccw',
|
||
|
|
close: false
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.toggleHandToolButton,
|
||
|
|
eventName: 'togglehandtool',
|
||
|
|
close: true
|
||
|
|
},
|
||
|
|
{
|
||
|
|
element: options.documentPropertiesButton,
|
||
|
|
eventName: 'documentproperties',
|
||
|
|
close: true
|
||
|
|
}
|
||
|
|
];
|
||
|
|
this.items = {
|
||
|
|
firstPage: options.firstPageButton,
|
||
|
|
lastPage: options.lastPageButton,
|
||
|
|
pageRotateCw: options.pageRotateCwButton,
|
||
|
|
pageRotateCcw: options.pageRotateCcwButton
|
||
|
|
};
|
||
|
|
this.mainContainer = mainContainer;
|
||
|
|
this.eventBus = eventBus;
|
||
|
|
this.opened = false;
|
||
|
|
this.containerHeight = null;
|
||
|
|
this.previousContainerHeight = null;
|
||
|
|
this.reset();
|
||
|
|
this._bindClickListeners();
|
||
|
|
this._bindHandToolListener(options.toggleHandToolButton);
|
||
|
|
this.eventBus.on('resize', this._setMaxHeight.bind(this));
|
||
|
|
}
|
||
|
|
SecondaryToolbar.prototype = {
|
||
|
|
get isOpen() {
|
||
|
|
return this.opened;
|
||
|
|
},
|
||
|
|
setPageNumber: function SecondaryToolbar_setPageNumber(pageNumber) {
|
||
|
|
this.pageNumber = pageNumber;
|
||
|
|
this._updateUIState();
|
||
|
|
},
|
||
|
|
setPagesCount: function SecondaryToolbar_setPagesCount(pagesCount) {
|
||
|
|
this.pagesCount = pagesCount;
|
||
|
|
this._updateUIState();
|
||
|
|
},
|
||
|
|
reset: function SecondaryToolbar_reset() {
|
||
|
|
this.pageNumber = 0;
|
||
|
|
this.pagesCount = 0;
|
||
|
|
this._updateUIState();
|
||
|
|
},
|
||
|
|
_updateUIState: function SecondaryToolbar_updateUIState() {
|
||
|
|
var items = this.items;
|
||
|
|
items.firstPage.disabled = this.pageNumber <= 1;
|
||
|
|
items.lastPage.disabled = this.pageNumber >= this.pagesCount;
|
||
|
|
items.pageRotateCw.disabled = this.pagesCount === 0;
|
||
|
|
items.pageRotateCcw.disabled = this.pagesCount === 0;
|
||
|
|
},
|
||
|
|
_bindClickListeners: function SecondaryToolbar_bindClickListeners() {
|
||
|
|
this.toggleButton.addEventListener('click', this.toggle.bind(this));
|
||
|
|
for (var button in this.buttons) {
|
||
|
|
var element = this.buttons[button].element;
|
||
|
|
var eventName = this.buttons[button].eventName;
|
||
|
|
var close = this.buttons[button].close;
|
||
|
|
element.addEventListener('click', function (eventName, close) {
|
||
|
|
if (eventName !== null) {
|
||
|
|
this.eventBus.dispatch(eventName, { source: this });
|
||
|
|
}
|
||
|
|
if (close) {
|
||
|
|
this.close();
|
||
|
|
}
|
||
|
|
}.bind(this, eventName, close));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_bindHandToolListener: function SecondaryToolbar_bindHandToolListener(toggleHandToolButton) {
|
||
|
|
var isHandToolActive = false;
|
||
|
|
this.eventBus.on('handtoolchanged', function (e) {
|
||
|
|
if (isHandToolActive === e.isActive) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
isHandToolActive = e.isActive;
|
||
|
|
if (isHandToolActive) {
|
||
|
|
toggleHandToolButton.title = mozL10n.get('hand_tool_disable.title', null, 'Disable hand tool');
|
||
|
|
toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_disable_label', null, 'Disable hand tool');
|
||
|
|
} else {
|
||
|
|
toggleHandToolButton.title = mozL10n.get('hand_tool_enable.title', null, 'Enable hand tool');
|
||
|
|
toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_enable_label', null, 'Enable hand tool');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
open: function SecondaryToolbar_open() {
|
||
|
|
if (this.opened) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.opened = true;
|
||
|
|
this._setMaxHeight();
|
||
|
|
this.toggleButton.classList.add('toggled');
|
||
|
|
this.toolbar.classList.remove('hidden');
|
||
|
|
},
|
||
|
|
close: function SecondaryToolbar_close() {
|
||
|
|
if (!this.opened) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.opened = false;
|
||
|
|
this.toolbar.classList.add('hidden');
|
||
|
|
this.toggleButton.classList.remove('toggled');
|
||
|
|
},
|
||
|
|
toggle: function SecondaryToolbar_toggle() {
|
||
|
|
if (this.opened) {
|
||
|
|
this.close();
|
||
|
|
} else {
|
||
|
|
this.open();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_setMaxHeight: function SecondaryToolbar_setMaxHeight() {
|
||
|
|
if (!this.opened) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.containerHeight = this.mainContainer.clientHeight;
|
||
|
|
if (this.containerHeight === this.previousContainerHeight) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - SCROLLBAR_PADDING) + 'px;');
|
||
|
|
this.previousContainerHeight = this.containerHeight;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return SecondaryToolbar;
|
||
|
|
}();
|
||
|
|
exports.SecondaryToolbar = SecondaryToolbar;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebToolbar = {}, root.pdfjsWebUIUtils);
|
||
|
|
}(this, function (exports, uiUtils) {
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var noContextMenuHandler = uiUtils.noContextMenuHandler;
|
||
|
|
var animationStarted = uiUtils.animationStarted;
|
||
|
|
var localized = uiUtils.localized;
|
||
|
|
var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
|
||
|
|
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
|
||
|
|
var MIN_SCALE = uiUtils.MIN_SCALE;
|
||
|
|
var MAX_SCALE = uiUtils.MAX_SCALE;
|
||
|
|
var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
|
||
|
|
var SCALE_SELECT_CONTAINER_PADDING = 8;
|
||
|
|
var SCALE_SELECT_PADDING = 22;
|
||
|
|
var Toolbar = function ToolbarClosure() {
|
||
|
|
function Toolbar(options, mainContainer, eventBus) {
|
||
|
|
this.toolbar = options.container;
|
||
|
|
this.mainContainer = mainContainer;
|
||
|
|
this.eventBus = eventBus;
|
||
|
|
this.items = options;
|
||
|
|
this._wasLocalized = false;
|
||
|
|
this.reset();
|
||
|
|
this._bindListeners();
|
||
|
|
}
|
||
|
|
Toolbar.prototype = {
|
||
|
|
setPageNumber: function (pageNumber, pageLabel) {
|
||
|
|
this.pageNumber = pageNumber;
|
||
|
|
this.pageLabel = pageLabel;
|
||
|
|
this._updateUIState(false);
|
||
|
|
},
|
||
|
|
setPagesCount: function (pagesCount, hasPageLabels) {
|
||
|
|
this.pagesCount = pagesCount;
|
||
|
|
this.hasPageLabels = hasPageLabels;
|
||
|
|
this._updateUIState(true);
|
||
|
|
},
|
||
|
|
setPageScale: function (pageScaleValue, pageScale) {
|
||
|
|
this.pageScaleValue = pageScaleValue;
|
||
|
|
this.pageScale = pageScale;
|
||
|
|
this._updateUIState(false);
|
||
|
|
},
|
||
|
|
reset: function () {
|
||
|
|
this.pageNumber = 0;
|
||
|
|
this.pageLabel = null;
|
||
|
|
this.hasPageLabels = false;
|
||
|
|
this.pagesCount = 0;
|
||
|
|
this.pageScaleValue = DEFAULT_SCALE_VALUE;
|
||
|
|
this.pageScale = DEFAULT_SCALE;
|
||
|
|
this._updateUIState(true);
|
||
|
|
},
|
||
|
|
_bindListeners: function Toolbar_bindClickListeners() {
|
||
|
|
var eventBus = this.eventBus;
|
||
|
|
var self = this;
|
||
|
|
var items = this.items;
|
||
|
|
items.previous.addEventListener('click', function () {
|
||
|
|
eventBus.dispatch('previouspage');
|
||
|
|
});
|
||
|
|
items.next.addEventListener('click', function () {
|
||
|
|
eventBus.dispatch('nextpage');
|
||
|
|
});
|
||
|
|
items.zoomIn.addEventListener('click', function () {
|
||
|
|
eventBus.dispatch('zoomin');
|
||
|
|
});
|
||
|
|
items.zoomOut.addEventListener('click', function () {
|
||
|
|
eventBus.dispatch('zoomout');
|
||
|
|
});
|
||
|
|
items.pageNumber.addEventListener('click', function () {
|
||
|
|
this.select();
|
||
|
|
});
|
||
|
|
items.pageNumber.addEventListener('change', function () {
|
||
|
|
eventBus.dispatch('pagenumberchanged', {
|
||
|
|
source: self,
|
||
|
|
value: this.value
|
||
|
|
});
|
||
|
|
});
|
||
|
|
items.scaleSelect.addEventListener('change', function () {
|
||
|
|
if (this.value === 'custom') {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
eventBus.dispatch('scalechanged', {
|
||
|
|
source: self,
|
||
|
|
value: this.value
|
||
|
|
});
|
||
|
|
});
|
||
|
|
items.presentationModeButton.addEventListener('click', function (e) {
|
||
|
|
eventBus.dispatch('presentationmode');
|
||
|
|
});
|
||
|
|
items.openFile.addEventListener('click', function (e) {
|
||
|
|
eventBus.dispatch('openfile');
|
||
|
|
});
|
||
|
|
items.print.addEventListener('click', function (e) {
|
||
|
|
eventBus.dispatch('print');
|
||
|
|
});
|
||
|
|
items.download.addEventListener('click', function (e) {
|
||
|
|
eventBus.dispatch('download');
|
||
|
|
});
|
||
|
|
items.scaleSelect.oncontextmenu = noContextMenuHandler;
|
||
|
|
localized.then(this._localized.bind(this));
|
||
|
|
},
|
||
|
|
_localized: function Toolbar_localized() {
|
||
|
|
this._wasLocalized = true;
|
||
|
|
this._adjustScaleWidth();
|
||
|
|
this._updateUIState(true);
|
||
|
|
},
|
||
|
|
_updateUIState: function Toolbar_updateUIState(resetNumPages) {
|
||
|
|
function selectScaleOption(value, scale) {
|
||
|
|
var options = items.scaleSelect.options;
|
||
|
|
var predefinedValueFound = false;
|
||
|
|
for (var i = 0, ii = options.length; i < ii; i++) {
|
||
|
|
var option = options[i];
|
||
|
|
if (option.value !== value) {
|
||
|
|
option.selected = false;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
option.selected = true;
|
||
|
|
predefinedValueFound = true;
|
||
|
|
}
|
||
|
|
if (!predefinedValueFound) {
|
||
|
|
var customScale = Math.round(scale * 10000) / 100;
|
||
|
|
items.customScaleOption.textContent = mozL10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%');
|
||
|
|
items.customScaleOption.selected = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!this._wasLocalized) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var pageNumber = this.pageNumber;
|
||
|
|
var scaleValue = (this.pageScaleValue || this.pageScale).toString();
|
||
|
|
var scale = this.pageScale;
|
||
|
|
var items = this.items;
|
||
|
|
var pagesCount = this.pagesCount;
|
||
|
|
if (resetNumPages) {
|
||
|
|
if (this.hasPageLabels) {
|
||
|
|
items.pageNumber.type = 'text';
|
||
|
|
} else {
|
||
|
|
items.pageNumber.type = 'number';
|
||
|
|
items.numPages.textContent = mozL10n.get('of_pages', { pagesCount: pagesCount }, 'of {{pagesCount}}');
|
||
|
|
}
|
||
|
|
items.pageNumber.max = pagesCount;
|
||
|
|
}
|
||
|
|
if (this.hasPageLabels) {
|
||
|
|
items.pageNumber.value = this.pageLabel;
|
||
|
|
items.numPages.textContent = mozL10n.get('page_of_pages', {
|
||
|
|
pageNumber: pageNumber,
|
||
|
|
pagesCount: pagesCount
|
||
|
|
}, '({{pageNumber}} of {{pagesCount}})');
|
||
|
|
} else {
|
||
|
|
items.pageNumber.value = pageNumber;
|
||
|
|
}
|
||
|
|
items.previous.disabled = pageNumber <= 1;
|
||
|
|
items.next.disabled = pageNumber >= pagesCount;
|
||
|
|
items.zoomOut.disabled = scale <= MIN_SCALE;
|
||
|
|
items.zoomIn.disabled = scale >= MAX_SCALE;
|
||
|
|
selectScaleOption(scaleValue, scale);
|
||
|
|
},
|
||
|
|
updateLoadingIndicatorState: function Toolbar_updateLoadingIndicatorState(loading) {
|
||
|
|
var pageNumberInput = this.items.pageNumber;
|
||
|
|
if (loading) {
|
||
|
|
pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
|
||
|
|
} else {
|
||
|
|
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_adjustScaleWidth: function Toolbar_adjustScaleWidth() {
|
||
|
|
var container = this.items.scaleSelectContainer;
|
||
|
|
var select = this.items.scaleSelect;
|
||
|
|
animationStarted.then(function () {
|
||
|
|
if (container.clientWidth === 0) {
|
||
|
|
container.setAttribute('style', 'display: inherit;');
|
||
|
|
}
|
||
|
|
if (container.clientWidth > 0) {
|
||
|
|
select.setAttribute('style', 'min-width: inherit;');
|
||
|
|
var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
|
||
|
|
select.setAttribute('style', 'min-width: ' + (width + SCALE_SELECT_PADDING) + 'px;');
|
||
|
|
container.setAttribute('style', 'min-width: ' + width + 'px; ' + 'max-width: ' + width + 'px;');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return Toolbar;
|
||
|
|
}();
|
||
|
|
exports.Toolbar = Toolbar;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFFindBar = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFFindController);
|
||
|
|
}(this, function (exports, uiUtils, pdfFindController) {
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var FindStates = pdfFindController.FindStates;
|
||
|
|
var PDFFindBar = function PDFFindBarClosure() {
|
||
|
|
function PDFFindBar(options) {
|
||
|
|
this.opened = false;
|
||
|
|
this.bar = options.bar || null;
|
||
|
|
this.toggleButton = options.toggleButton || null;
|
||
|
|
this.findField = options.findField || null;
|
||
|
|
this.highlightAll = options.highlightAllCheckbox || null;
|
||
|
|
this.caseSensitive = options.caseSensitiveCheckbox || null;
|
||
|
|
this.findMsg = options.findMsg || null;
|
||
|
|
this.findResultsCount = options.findResultsCount || null;
|
||
|
|
this.findStatusIcon = options.findStatusIcon || null;
|
||
|
|
this.findPreviousButton = options.findPreviousButton || null;
|
||
|
|
this.findNextButton = options.findNextButton || null;
|
||
|
|
this.findController = options.findController || null;
|
||
|
|
this.eventBus = options.eventBus;
|
||
|
|
if (this.findController === null) {
|
||
|
|
throw new Error('PDFFindBar cannot be used without a ' + 'PDFFindController instance.');
|
||
|
|
}
|
||
|
|
var self = this;
|
||
|
|
this.toggleButton.addEventListener('click', function () {
|
||
|
|
self.toggle();
|
||
|
|
});
|
||
|
|
this.findField.addEventListener('input', function () {
|
||
|
|
self.dispatchEvent('');
|
||
|
|
});
|
||
|
|
this.bar.addEventListener('keydown', function (evt) {
|
||
|
|
switch (evt.keyCode) {
|
||
|
|
case 13:
|
||
|
|
if (evt.target === self.findField) {
|
||
|
|
self.dispatchEvent('again', evt.shiftKey);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 27:
|
||
|
|
self.close();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
this.findPreviousButton.addEventListener('click', function () {
|
||
|
|
self.dispatchEvent('again', true);
|
||
|
|
});
|
||
|
|
this.findNextButton.addEventListener('click', function () {
|
||
|
|
self.dispatchEvent('again', false);
|
||
|
|
});
|
||
|
|
this.highlightAll.addEventListener('click', function () {
|
||
|
|
self.dispatchEvent('highlightallchange');
|
||
|
|
});
|
||
|
|
this.caseSensitive.addEventListener('click', function () {
|
||
|
|
self.dispatchEvent('casesensitivitychange');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
PDFFindBar.prototype = {
|
||
|
|
reset: function PDFFindBar_reset() {
|
||
|
|
this.updateUIState();
|
||
|
|
},
|
||
|
|
dispatchEvent: function PDFFindBar_dispatchEvent(type, findPrev) {
|
||
|
|
this.eventBus.dispatch('find', {
|
||
|
|
source: this,
|
||
|
|
type: type,
|
||
|
|
query: this.findField.value,
|
||
|
|
caseSensitive: this.caseSensitive.checked,
|
||
|
|
phraseSearch: true,
|
||
|
|
highlightAll: this.highlightAll.checked,
|
||
|
|
findPrevious: findPrev
|
||
|
|
});
|
||
|
|
},
|
||
|
|
updateUIState: function PDFFindBar_updateUIState(state, previous, matchCount) {
|
||
|
|
var notFound = false;
|
||
|
|
var findMsg = '';
|
||
|
|
var status = '';
|
||
|
|
switch (state) {
|
||
|
|
case FindStates.FIND_FOUND:
|
||
|
|
break;
|
||
|
|
case FindStates.FIND_PENDING:
|
||
|
|
status = 'pending';
|
||
|
|
break;
|
||
|
|
case FindStates.FIND_NOTFOUND:
|
||
|
|
findMsg = mozL10n.get('find_not_found', null, 'Phrase not found');
|
||
|
|
notFound = true;
|
||
|
|
break;
|
||
|
|
case FindStates.FIND_WRAPPED:
|
||
|
|
if (previous) {
|
||
|
|
findMsg = mozL10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
|
||
|
|
} else {
|
||
|
|
findMsg = mozL10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (notFound) {
|
||
|
|
this.findField.classList.add('notFound');
|
||
|
|
} else {
|
||
|
|
this.findField.classList.remove('notFound');
|
||
|
|
}
|
||
|
|
this.findField.setAttribute('data-status', status);
|
||
|
|
this.findMsg.textContent = findMsg;
|
||
|
|
this.updateResultsCount(matchCount);
|
||
|
|
},
|
||
|
|
updateResultsCount: function (matchCount) {
|
||
|
|
if (!this.findResultsCount) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!matchCount) {
|
||
|
|
this.findResultsCount.classList.add('hidden');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.findResultsCount.textContent = matchCount.toLocaleString();
|
||
|
|
this.findResultsCount.classList.remove('hidden');
|
||
|
|
},
|
||
|
|
open: function PDFFindBar_open() {
|
||
|
|
if (!this.opened) {
|
||
|
|
this.opened = true;
|
||
|
|
this.toggleButton.classList.add('toggled');
|
||
|
|
this.bar.classList.remove('hidden');
|
||
|
|
}
|
||
|
|
this.findField.select();
|
||
|
|
this.findField.focus();
|
||
|
|
},
|
||
|
|
close: function PDFFindBar_close() {
|
||
|
|
if (!this.opened) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.opened = false;
|
||
|
|
this.toggleButton.classList.remove('toggled');
|
||
|
|
this.bar.classList.add('hidden');
|
||
|
|
this.findController.active = false;
|
||
|
|
},
|
||
|
|
toggle: function PDFFindBar_toggle() {
|
||
|
|
if (this.opened) {
|
||
|
|
this.close();
|
||
|
|
} else {
|
||
|
|
this.open();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFFindBar;
|
||
|
|
}();
|
||
|
|
exports.PDFFindBar = PDFFindBar;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFHistory = {}, root.pdfjsWebDOMEvents);
|
||
|
|
}(this, function (exports, domEvents) {
|
||
|
|
function PDFHistory(options) {
|
||
|
|
this.linkService = options.linkService;
|
||
|
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
|
||
|
|
this.initialized = false;
|
||
|
|
this.initialDestination = null;
|
||
|
|
this.initialBookmark = null;
|
||
|
|
}
|
||
|
|
PDFHistory.prototype = {
|
||
|
|
initialize: function pdfHistoryInitialize(fingerprint) {
|
||
|
|
this.initialized = true;
|
||
|
|
this.reInitialized = false;
|
||
|
|
this.allowHashChange = true;
|
||
|
|
this.historyUnlocked = true;
|
||
|
|
this.isViewerInPresentationMode = false;
|
||
|
|
this.previousHash = window.location.hash.substring(1);
|
||
|
|
this.currentBookmark = '';
|
||
|
|
this.currentPage = 0;
|
||
|
|
this.updatePreviousBookmark = false;
|
||
|
|
this.previousBookmark = '';
|
||
|
|
this.previousPage = 0;
|
||
|
|
this.nextHashParam = '';
|
||
|
|
this.fingerprint = fingerprint;
|
||
|
|
this.currentUid = this.uid = 0;
|
||
|
|
this.current = {};
|
||
|
|
var state = window.history.state;
|
||
|
|
if (this._isStateObjectDefined(state)) {
|
||
|
|
if (state.target.dest) {
|
||
|
|
this.initialDestination = state.target.dest;
|
||
|
|
} else {
|
||
|
|
this.initialBookmark = state.target.hash;
|
||
|
|
}
|
||
|
|
this.currentUid = state.uid;
|
||
|
|
this.uid = state.uid + 1;
|
||
|
|
this.current = state.target;
|
||
|
|
} else {
|
||
|
|
if (state && state.fingerprint && this.fingerprint !== state.fingerprint) {
|
||
|
|
this.reInitialized = true;
|
||
|
|
}
|
||
|
|
this._pushOrReplaceState({ fingerprint: this.fingerprint }, true);
|
||
|
|
}
|
||
|
|
var self = this;
|
||
|
|
window.addEventListener('popstate', function pdfHistoryPopstate(evt) {
|
||
|
|
if (!self.historyUnlocked) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (evt.state) {
|
||
|
|
self._goTo(evt.state);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (self.uid === 0) {
|
||
|
|
var previousParams = self.previousHash && self.currentBookmark && self.previousHash !== self.currentBookmark ? {
|
||
|
|
hash: self.currentBookmark,
|
||
|
|
page: self.currentPage
|
||
|
|
} : { page: 1 };
|
||
|
|
replacePreviousHistoryState(previousParams, function () {
|
||
|
|
updateHistoryWithCurrentHash();
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
updateHistoryWithCurrentHash();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
function updateHistoryWithCurrentHash() {
|
||
|
|
self.previousHash = window.location.hash.slice(1);
|
||
|
|
self._pushToHistory({ hash: self.previousHash }, false, true);
|
||
|
|
self._updatePreviousBookmark();
|
||
|
|
}
|
||
|
|
function replacePreviousHistoryState(params, callback) {
|
||
|
|
self.historyUnlocked = false;
|
||
|
|
self.allowHashChange = false;
|
||
|
|
window.addEventListener('popstate', rewriteHistoryAfterBack);
|
||
|
|
history.back();
|
||
|
|
function rewriteHistoryAfterBack() {
|
||
|
|
window.removeEventListener('popstate', rewriteHistoryAfterBack);
|
||
|
|
window.addEventListener('popstate', rewriteHistoryAfterForward);
|
||
|
|
self._pushToHistory(params, false, true);
|
||
|
|
history.forward();
|
||
|
|
}
|
||
|
|
function rewriteHistoryAfterForward() {
|
||
|
|
window.removeEventListener('popstate', rewriteHistoryAfterForward);
|
||
|
|
self.allowHashChange = true;
|
||
|
|
self.historyUnlocked = true;
|
||
|
|
callback();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function pdfHistoryBeforeUnload() {
|
||
|
|
var previousParams = self._getPreviousParams(null, true);
|
||
|
|
if (previousParams) {
|
||
|
|
var replacePrevious = !self.current.dest && self.current.hash !== self.previousHash;
|
||
|
|
self._pushToHistory(previousParams, false, replacePrevious);
|
||
|
|
self._updatePreviousBookmark();
|
||
|
|
}
|
||
|
|
window.removeEventListener('beforeunload', pdfHistoryBeforeUnload);
|
||
|
|
}
|
||
|
|
window.addEventListener('beforeunload', pdfHistoryBeforeUnload);
|
||
|
|
window.addEventListener('pageshow', function pdfHistoryPageShow(evt) {
|
||
|
|
window.addEventListener('beforeunload', pdfHistoryBeforeUnload);
|
||
|
|
});
|
||
|
|
self.eventBus.on('presentationmodechanged', function (e) {
|
||
|
|
self.isViewerInPresentationMode = e.active;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
clearHistoryState: function pdfHistory_clearHistoryState() {
|
||
|
|
this._pushOrReplaceState(null, true);
|
||
|
|
},
|
||
|
|
_isStateObjectDefined: function pdfHistory_isStateObjectDefined(state) {
|
||
|
|
return state && state.uid >= 0 && state.fingerprint && this.fingerprint === state.fingerprint && state.target && state.target.hash ? true : false;
|
||
|
|
},
|
||
|
|
_pushOrReplaceState: function pdfHistory_pushOrReplaceState(stateObj, replace) {
|
||
|
|
if (replace) {
|
||
|
|
window.history.replaceState(stateObj, '', document.URL);
|
||
|
|
} else {
|
||
|
|
window.history.pushState(stateObj, '', document.URL);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
get isHashChangeUnlocked() {
|
||
|
|
if (!this.initialized) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return this.allowHashChange;
|
||
|
|
},
|
||
|
|
_updatePreviousBookmark: function pdfHistory_updatePreviousBookmark() {
|
||
|
|
if (this.updatePreviousBookmark && this.currentBookmark && this.currentPage) {
|
||
|
|
this.previousBookmark = this.currentBookmark;
|
||
|
|
this.previousPage = this.currentPage;
|
||
|
|
this.updatePreviousBookmark = false;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updateCurrentBookmark: function pdfHistoryUpdateCurrentBookmark(bookmark, pageNum) {
|
||
|
|
if (this.initialized) {
|
||
|
|
this.currentBookmark = bookmark.substring(1);
|
||
|
|
this.currentPage = pageNum | 0;
|
||
|
|
this._updatePreviousBookmark();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updateNextHashParam: function pdfHistoryUpdateNextHashParam(param) {
|
||
|
|
if (this.initialized) {
|
||
|
|
this.nextHashParam = param;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
push: function pdfHistoryPush(params, isInitialBookmark) {
|
||
|
|
if (!(this.initialized && this.historyUnlocked)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (params.dest && !params.hash) {
|
||
|
|
params.hash = this.current.hash && this.current.dest && this.current.dest === params.dest ? this.current.hash : this.linkService.getDestinationHash(params.dest).split('#')[1];
|
||
|
|
}
|
||
|
|
if (params.page) {
|
||
|
|
params.page |= 0;
|
||
|
|
}
|
||
|
|
if (isInitialBookmark) {
|
||
|
|
var target = window.history.state.target;
|
||
|
|
if (!target) {
|
||
|
|
this._pushToHistory(params, false);
|
||
|
|
this.previousHash = window.location.hash.substring(1);
|
||
|
|
}
|
||
|
|
this.updatePreviousBookmark = this.nextHashParam ? false : true;
|
||
|
|
if (target) {
|
||
|
|
this._updatePreviousBookmark();
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (this.nextHashParam) {
|
||
|
|
if (this.nextHashParam === params.hash) {
|
||
|
|
this.nextHashParam = null;
|
||
|
|
this.updatePreviousBookmark = true;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.nextHashParam = null;
|
||
|
|
}
|
||
|
|
if (params.hash) {
|
||
|
|
if (this.current.hash) {
|
||
|
|
if (this.current.hash !== params.hash) {
|
||
|
|
this._pushToHistory(params, true);
|
||
|
|
} else {
|
||
|
|
if (!this.current.page && params.page) {
|
||
|
|
this._pushToHistory(params, false, true);
|
||
|
|
}
|
||
|
|
this.updatePreviousBookmark = true;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
this._pushToHistory(params, true);
|
||
|
|
}
|
||
|
|
} else if (this.current.page && params.page && this.current.page !== params.page) {
|
||
|
|
this._pushToHistory(params, true);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_getPreviousParams: function pdfHistory_getPreviousParams(onlyCheckPage, beforeUnload) {
|
||
|
|
if (!(this.currentBookmark && this.currentPage)) {
|
||
|
|
return null;
|
||
|
|
} else if (this.updatePreviousBookmark) {
|
||
|
|
this.updatePreviousBookmark = false;
|
||
|
|
}
|
||
|
|
if (this.uid > 0 && !(this.previousBookmark && this.previousPage)) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
if (!this.current.dest && !onlyCheckPage || beforeUnload) {
|
||
|
|
if (this.previousBookmark === this.currentBookmark) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
} else if (this.current.page || onlyCheckPage) {
|
||
|
|
if (this.previousPage === this.currentPage) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
var params = {
|
||
|
|
hash: this.currentBookmark,
|
||
|
|
page: this.currentPage
|
||
|
|
};
|
||
|
|
if (this.isViewerInPresentationMode) {
|
||
|
|
params.hash = null;
|
||
|
|
}
|
||
|
|
return params;
|
||
|
|
},
|
||
|
|
_stateObj: function pdfHistory_stateObj(params) {
|
||
|
|
return {
|
||
|
|
fingerprint: this.fingerprint,
|
||
|
|
uid: this.uid,
|
||
|
|
target: params
|
||
|
|
};
|
||
|
|
},
|
||
|
|
_pushToHistory: function pdfHistory_pushToHistory(params, addPrevious, overwrite) {
|
||
|
|
if (!this.initialized) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!params.hash && params.page) {
|
||
|
|
params.hash = 'page=' + params.page;
|
||
|
|
}
|
||
|
|
if (addPrevious && !overwrite) {
|
||
|
|
var previousParams = this._getPreviousParams();
|
||
|
|
if (previousParams) {
|
||
|
|
var replacePrevious = !this.current.dest && this.current.hash !== this.previousHash;
|
||
|
|
this._pushToHistory(previousParams, false, replacePrevious);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this._pushOrReplaceState(this._stateObj(params), overwrite || this.uid === 0);
|
||
|
|
this.currentUid = this.uid++;
|
||
|
|
this.current = params;
|
||
|
|
this.updatePreviousBookmark = true;
|
||
|
|
},
|
||
|
|
_goTo: function pdfHistory_goTo(state) {
|
||
|
|
if (!(this.initialized && this.historyUnlocked && this._isStateObjectDefined(state))) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.reInitialized && state.uid < this.currentUid) {
|
||
|
|
var previousParams = this._getPreviousParams(true);
|
||
|
|
if (previousParams) {
|
||
|
|
this._pushToHistory(this.current, false);
|
||
|
|
this._pushToHistory(previousParams, false);
|
||
|
|
this.currentUid = state.uid;
|
||
|
|
window.history.back();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.historyUnlocked = false;
|
||
|
|
if (state.target.dest) {
|
||
|
|
this.linkService.navigateTo(state.target.dest);
|
||
|
|
} else {
|
||
|
|
this.linkService.setHash(state.target.hash);
|
||
|
|
}
|
||
|
|
this.currentUid = state.uid;
|
||
|
|
if (state.uid > this.uid) {
|
||
|
|
this.uid = state.uid;
|
||
|
|
}
|
||
|
|
this.current = state.target;
|
||
|
|
this.updatePreviousBookmark = true;
|
||
|
|
var currentHash = window.location.hash.substring(1);
|
||
|
|
if (this.previousHash !== currentHash) {
|
||
|
|
this.allowHashChange = false;
|
||
|
|
}
|
||
|
|
this.previousHash = currentHash;
|
||
|
|
this.historyUnlocked = true;
|
||
|
|
},
|
||
|
|
back: function pdfHistoryBack() {
|
||
|
|
this.go(-1);
|
||
|
|
},
|
||
|
|
forward: function pdfHistoryForward() {
|
||
|
|
this.go(1);
|
||
|
|
},
|
||
|
|
go: function pdfHistoryGo(direction) {
|
||
|
|
if (this.initialized && this.historyUnlocked) {
|
||
|
|
var state = window.history.state;
|
||
|
|
if (direction === -1 && state && state.uid > 0) {
|
||
|
|
window.history.back();
|
||
|
|
} else if (direction === 1 && state && state.uid < this.uid - 1) {
|
||
|
|
window.history.forward();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
exports.PDFHistory = PDFHistory;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFLinkService = {}, root.pdfjsWebUIUtils, root.pdfjsWebDOMEvents);
|
||
|
|
}(this, function (exports, uiUtils, domEvents) {
|
||
|
|
var parseQueryString = uiUtils.parseQueryString;
|
||
|
|
var PageNumberRegExp = /^\d+$/;
|
||
|
|
function isPageNumber(str) {
|
||
|
|
return PageNumberRegExp.test(str);
|
||
|
|
}
|
||
|
|
var PDFLinkService = function PDFLinkServiceClosure() {
|
||
|
|
function PDFLinkService(options) {
|
||
|
|
options = options || {};
|
||
|
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
|
||
|
|
this.baseUrl = null;
|
||
|
|
this.pdfDocument = null;
|
||
|
|
this.pdfViewer = null;
|
||
|
|
this.pdfHistory = null;
|
||
|
|
this._pagesRefCache = null;
|
||
|
|
}
|
||
|
|
PDFLinkService.prototype = {
|
||
|
|
setDocument: function PDFLinkService_setDocument(pdfDocument, baseUrl) {
|
||
|
|
this.baseUrl = baseUrl;
|
||
|
|
this.pdfDocument = pdfDocument;
|
||
|
|
this._pagesRefCache = Object.create(null);
|
||
|
|
},
|
||
|
|
setViewer: function PDFLinkService_setViewer(pdfViewer) {
|
||
|
|
this.pdfViewer = pdfViewer;
|
||
|
|
},
|
||
|
|
setHistory: function PDFLinkService_setHistory(pdfHistory) {
|
||
|
|
this.pdfHistory = pdfHistory;
|
||
|
|
},
|
||
|
|
get pagesCount() {
|
||
|
|
return this.pdfDocument ? this.pdfDocument.numPages : 0;
|
||
|
|
},
|
||
|
|
get page() {
|
||
|
|
return this.pdfViewer.currentPageNumber;
|
||
|
|
},
|
||
|
|
set page(value) {
|
||
|
|
this.pdfViewer.currentPageNumber = value;
|
||
|
|
},
|
||
|
|
navigateTo: function PDFLinkService_navigateTo(dest) {
|
||
|
|
var destString = '';
|
||
|
|
var self = this;
|
||
|
|
var goToDestination = function (destRef) {
|
||
|
|
var pageNumber;
|
||
|
|
if (destRef instanceof Object) {
|
||
|
|
pageNumber = self._cachedPageNumber(destRef);
|
||
|
|
} else if ((destRef | 0) === destRef) {
|
||
|
|
pageNumber = destRef + 1;
|
||
|
|
} else {
|
||
|
|
console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid destination reference.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (pageNumber) {
|
||
|
|
if (pageNumber < 1 || pageNumber > self.pagesCount) {
|
||
|
|
console.error('PDFLinkService_navigateTo: "' + pageNumber + '" is a non-existent page number.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
self.pdfViewer.scrollPageIntoView({
|
||
|
|
pageNumber: pageNumber,
|
||
|
|
destArray: dest
|
||
|
|
});
|
||
|
|
if (self.pdfHistory) {
|
||
|
|
self.pdfHistory.push({
|
||
|
|
dest: dest,
|
||
|
|
hash: destString,
|
||
|
|
page: pageNumber
|
||
|
|
});
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
self.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
|
||
|
|
self.cachePageRef(pageIndex + 1, destRef);
|
||
|
|
goToDestination(destRef);
|
||
|
|
}).catch(function () {
|
||
|
|
console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid page reference.');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var destinationPromise;
|
||
|
|
if (typeof dest === 'string') {
|
||
|
|
destString = dest;
|
||
|
|
destinationPromise = this.pdfDocument.getDestination(dest);
|
||
|
|
} else {
|
||
|
|
destinationPromise = Promise.resolve(dest);
|
||
|
|
}
|
||
|
|
destinationPromise.then(function (destination) {
|
||
|
|
dest = destination;
|
||
|
|
if (!(destination instanceof Array)) {
|
||
|
|
console.error('PDFLinkService_navigateTo: "' + destination + '" is not a valid destination array.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
goToDestination(destination[0]);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
getDestinationHash: function PDFLinkService_getDestinationHash(dest) {
|
||
|
|
if (typeof dest === 'string') {
|
||
|
|
return this.getAnchorUrl('#' + (isPageNumber(dest) ? 'nameddest=' : '') + escape(dest));
|
||
|
|
}
|
||
|
|
if (dest instanceof Array) {
|
||
|
|
var str = JSON.stringify(dest);
|
||
|
|
return this.getAnchorUrl('#' + escape(str));
|
||
|
|
}
|
||
|
|
return this.getAnchorUrl('');
|
||
|
|
},
|
||
|
|
getAnchorUrl: function PDFLinkService_getAnchorUrl(anchor) {
|
||
|
|
return (this.baseUrl || '') + anchor;
|
||
|
|
},
|
||
|
|
setHash: function PDFLinkService_setHash(hash) {
|
||
|
|
var pageNumber, dest;
|
||
|
|
if (hash.indexOf('=') >= 0) {
|
||
|
|
var params = parseQueryString(hash);
|
||
|
|
if ('search' in params) {
|
||
|
|
this.eventBus.dispatch('findfromurlhash', {
|
||
|
|
source: this,
|
||
|
|
query: params['search'].replace(/"/g, ''),
|
||
|
|
phraseSearch: params['phrase'] === 'true'
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if ('nameddest' in params) {
|
||
|
|
if (this.pdfHistory) {
|
||
|
|
this.pdfHistory.updateNextHashParam(params.nameddest);
|
||
|
|
}
|
||
|
|
this.navigateTo(params.nameddest);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if ('page' in params) {
|
||
|
|
pageNumber = params.page | 0 || 1;
|
||
|
|
}
|
||
|
|
if ('zoom' in params) {
|
||
|
|
var zoomArgs = params.zoom.split(',');
|
||
|
|
var zoomArg = zoomArgs[0];
|
||
|
|
var zoomArgNumber = parseFloat(zoomArg);
|
||
|
|
if (zoomArg.indexOf('Fit') === -1) {
|
||
|
|
dest = [
|
||
|
|
null,
|
||
|
|
{ name: 'XYZ' },
|
||
|
|
zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
|
||
|
|
zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,
|
||
|
|
zoomArgNumber ? zoomArgNumber / 100 : zoomArg
|
||
|
|
];
|
||
|
|
} else {
|
||
|
|
if (zoomArg === 'Fit' || zoomArg === 'FitB') {
|
||
|
|
dest = [
|
||
|
|
null,
|
||
|
|
{ name: zoomArg }
|
||
|
|
];
|
||
|
|
} else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || (zoomArg === 'FitV' || zoomArg === 'FitBV')) {
|
||
|
|
dest = [
|
||
|
|
null,
|
||
|
|
{ name: zoomArg },
|
||
|
|
zoomArgs.length > 1 ? zoomArgs[1] | 0 : null
|
||
|
|
];
|
||
|
|
} else if (zoomArg === 'FitR') {
|
||
|
|
if (zoomArgs.length !== 5) {
|
||
|
|
console.error('PDFLinkService_setHash: ' + 'Not enough parameters for \'FitR\'.');
|
||
|
|
} else {
|
||
|
|
dest = [
|
||
|
|
null,
|
||
|
|
{ name: zoomArg },
|
||
|
|
zoomArgs[1] | 0,
|
||
|
|
zoomArgs[2] | 0,
|
||
|
|
zoomArgs[3] | 0,
|
||
|
|
zoomArgs[4] | 0
|
||
|
|
];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
console.error('PDFLinkService_setHash: \'' + zoomArg + '\' is not a valid zoom value.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (dest) {
|
||
|
|
this.pdfViewer.scrollPageIntoView({
|
||
|
|
pageNumber: pageNumber || this.page,
|
||
|
|
destArray: dest,
|
||
|
|
allowNegativeOffset: true
|
||
|
|
});
|
||
|
|
} else if (pageNumber) {
|
||
|
|
this.page = pageNumber;
|
||
|
|
}
|
||
|
|
if ('pagemode' in params) {
|
||
|
|
this.eventBus.dispatch('pagemode', {
|
||
|
|
source: this,
|
||
|
|
mode: params.pagemode
|
||
|
|
});
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (isPageNumber(hash) && hash <= this.pagesCount) {
|
||
|
|
console.warn('PDFLinkService_setHash: specifying a page number ' + 'directly after the hash symbol (#) is deprecated, ' + 'please use the "#page=' + hash + '" form instead.');
|
||
|
|
this.page = hash | 0;
|
||
|
|
}
|
||
|
|
dest = unescape(hash);
|
||
|
|
try {
|
||
|
|
dest = JSON.parse(dest);
|
||
|
|
if (!(dest instanceof Array)) {
|
||
|
|
dest = dest.toString();
|
||
|
|
}
|
||
|
|
} catch (ex) {
|
||
|
|
}
|
||
|
|
if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
|
||
|
|
if (this.pdfHistory) {
|
||
|
|
this.pdfHistory.updateNextHashParam(dest);
|
||
|
|
}
|
||
|
|
this.navigateTo(dest);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
console.error('PDFLinkService_setHash: \'' + unescape(hash) + '\' is not a valid destination.');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
executeNamedAction: function PDFLinkService_executeNamedAction(action) {
|
||
|
|
switch (action) {
|
||
|
|
case 'GoBack':
|
||
|
|
if (this.pdfHistory) {
|
||
|
|
this.pdfHistory.back();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'GoForward':
|
||
|
|
if (this.pdfHistory) {
|
||
|
|
this.pdfHistory.forward();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'NextPage':
|
||
|
|
if (this.page < this.pagesCount) {
|
||
|
|
this.page++;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'PrevPage':
|
||
|
|
if (this.page > 1) {
|
||
|
|
this.page--;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'LastPage':
|
||
|
|
this.page = this.pagesCount;
|
||
|
|
break;
|
||
|
|
case 'FirstPage':
|
||
|
|
this.page = 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
this.eventBus.dispatch('namedaction', {
|
||
|
|
source: this,
|
||
|
|
action: action
|
||
|
|
});
|
||
|
|
},
|
||
|
|
cachePageRef: function PDFLinkService_cachePageRef(pageNum, pageRef) {
|
||
|
|
var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
|
||
|
|
this._pagesRefCache[refStr] = pageNum;
|
||
|
|
},
|
||
|
|
_cachedPageNumber: function PDFLinkService_cachedPageNumber(pageRef) {
|
||
|
|
var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
|
||
|
|
return this._pagesRefCache && this._pagesRefCache[refStr] || null;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function isValidExplicitDestination(dest) {
|
||
|
|
if (!(dest instanceof Array)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
var destLength = dest.length, allowNull = true;
|
||
|
|
if (destLength < 2) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
var page = dest[0];
|
||
|
|
if (!(typeof page === 'object' && typeof page.num === 'number' && (page.num | 0) === page.num && typeof page.gen === 'number' && (page.gen | 0) === page.gen) && !(typeof page === 'number' && (page | 0) === page && page >= 0)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
var zoom = dest[1];
|
||
|
|
if (!(typeof zoom === 'object' && typeof zoom.name === 'string')) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
switch (zoom.name) {
|
||
|
|
case 'XYZ':
|
||
|
|
if (destLength !== 5) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'Fit':
|
||
|
|
case 'FitB':
|
||
|
|
return destLength === 2;
|
||
|
|
case 'FitH':
|
||
|
|
case 'FitBH':
|
||
|
|
case 'FitV':
|
||
|
|
case 'FitBV':
|
||
|
|
if (destLength !== 3) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'FitR':
|
||
|
|
if (destLength !== 6) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
allowNull = false;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
for (var i = 2; i < destLength; i++) {
|
||
|
|
var param = dest[i];
|
||
|
|
if (!(typeof param === 'number' || allowNull && param === null)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return PDFLinkService;
|
||
|
|
}();
|
||
|
|
var SimpleLinkService = function SimpleLinkServiceClosure() {
|
||
|
|
function SimpleLinkService() {
|
||
|
|
}
|
||
|
|
SimpleLinkService.prototype = {
|
||
|
|
get page() {
|
||
|
|
return 0;
|
||
|
|
},
|
||
|
|
set page(value) {
|
||
|
|
},
|
||
|
|
navigateTo: function (dest) {
|
||
|
|
},
|
||
|
|
getDestinationHash: function (dest) {
|
||
|
|
return '#';
|
||
|
|
},
|
||
|
|
getAnchorUrl: function (hash) {
|
||
|
|
return '#';
|
||
|
|
},
|
||
|
|
setHash: function (hash) {
|
||
|
|
},
|
||
|
|
executeNamedAction: function (action) {
|
||
|
|
},
|
||
|
|
cachePageRef: function (pageNum, pageRef) {
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return SimpleLinkService;
|
||
|
|
}();
|
||
|
|
exports.PDFLinkService = PDFLinkService;
|
||
|
|
exports.SimpleLinkService = SimpleLinkService;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFPageView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, uiUtils, pdfRenderingQueue, domEvents, pdfjsLib) {
|
||
|
|
var CSS_UNITS = uiUtils.CSS_UNITS;
|
||
|
|
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
|
||
|
|
var getOutputScale = uiUtils.getOutputScale;
|
||
|
|
var approximateFraction = uiUtils.approximateFraction;
|
||
|
|
var roundToDivide = uiUtils.roundToDivide;
|
||
|
|
var RendererType = uiUtils.RendererType;
|
||
|
|
var RenderingStates = pdfRenderingQueue.RenderingStates;
|
||
|
|
var TEXT_LAYER_RENDER_DELAY = 200;
|
||
|
|
var PDFPageView = function PDFPageViewClosure() {
|
||
|
|
function PDFPageView(options) {
|
||
|
|
var container = options.container;
|
||
|
|
var id = options.id;
|
||
|
|
var scale = options.scale;
|
||
|
|
var defaultViewport = options.defaultViewport;
|
||
|
|
var renderingQueue = options.renderingQueue;
|
||
|
|
var textLayerFactory = options.textLayerFactory;
|
||
|
|
var annotationLayerFactory = options.annotationLayerFactory;
|
||
|
|
var enhanceTextSelection = options.enhanceTextSelection || false;
|
||
|
|
var renderInteractiveForms = options.renderInteractiveForms || false;
|
||
|
|
this.id = id;
|
||
|
|
this.renderingId = 'page' + id;
|
||
|
|
this.pageLabel = null;
|
||
|
|
this.rotation = 0;
|
||
|
|
this.scale = scale || DEFAULT_SCALE;
|
||
|
|
this.viewport = defaultViewport;
|
||
|
|
this.pdfPageRotate = defaultViewport.rotation;
|
||
|
|
this.hasRestrictedScaling = false;
|
||
|
|
this.enhanceTextSelection = enhanceTextSelection;
|
||
|
|
this.renderInteractiveForms = renderInteractiveForms;
|
||
|
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
|
||
|
|
this.renderingQueue = renderingQueue;
|
||
|
|
this.textLayerFactory = textLayerFactory;
|
||
|
|
this.annotationLayerFactory = annotationLayerFactory;
|
||
|
|
this.renderer = options.renderer || RendererType.CANVAS;
|
||
|
|
this.paintTask = null;
|
||
|
|
this.paintedViewportMap = new WeakMap();
|
||
|
|
this.renderingState = RenderingStates.INITIAL;
|
||
|
|
this.resume = null;
|
||
|
|
this.error = null;
|
||
|
|
this.onBeforeDraw = null;
|
||
|
|
this.onAfterDraw = null;
|
||
|
|
this.textLayer = null;
|
||
|
|
this.zoomLayer = null;
|
||
|
|
this.annotationLayer = null;
|
||
|
|
var div = document.createElement('div');
|
||
|
|
div.className = 'page';
|
||
|
|
div.style.width = Math.floor(this.viewport.width) + 'px';
|
||
|
|
div.style.height = Math.floor(this.viewport.height) + 'px';
|
||
|
|
div.setAttribute('data-page-number', this.id);
|
||
|
|
this.div = div;
|
||
|
|
container.appendChild(div);
|
||
|
|
}
|
||
|
|
PDFPageView.prototype = {
|
||
|
|
setPdfPage: function PDFPageView_setPdfPage(pdfPage) {
|
||
|
|
this.pdfPage = pdfPage;
|
||
|
|
this.pdfPageRotate = pdfPage.rotate;
|
||
|
|
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||
|
|
this.viewport = pdfPage.getViewport(this.scale * CSS_UNITS, totalRotation);
|
||
|
|
this.stats = pdfPage.stats;
|
||
|
|
this.reset();
|
||
|
|
},
|
||
|
|
destroy: function PDFPageView_destroy() {
|
||
|
|
this.zoomLayer = null;
|
||
|
|
this.reset();
|
||
|
|
if (this.pdfPage) {
|
||
|
|
this.pdfPage.cleanup();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
reset: function PDFPageView_reset(keepZoomLayer, keepAnnotations) {
|
||
|
|
this.cancelRendering();
|
||
|
|
var div = this.div;
|
||
|
|
div.style.width = Math.floor(this.viewport.width) + 'px';
|
||
|
|
div.style.height = Math.floor(this.viewport.height) + 'px';
|
||
|
|
var childNodes = div.childNodes;
|
||
|
|
var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
|
||
|
|
var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
|
||
|
|
for (var i = childNodes.length - 1; i >= 0; i--) {
|
||
|
|
var node = childNodes[i];
|
||
|
|
if (currentZoomLayerNode === node || currentAnnotationNode === node) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
div.removeChild(node);
|
||
|
|
}
|
||
|
|
div.removeAttribute('data-loaded');
|
||
|
|
if (currentAnnotationNode) {
|
||
|
|
this.annotationLayer.hide();
|
||
|
|
} else {
|
||
|
|
this.annotationLayer = null;
|
||
|
|
}
|
||
|
|
if (this.canvas && !currentZoomLayerNode) {
|
||
|
|
this.paintedViewportMap.delete(this.canvas);
|
||
|
|
this.canvas.width = 0;
|
||
|
|
this.canvas.height = 0;
|
||
|
|
delete this.canvas;
|
||
|
|
}
|
||
|
|
if (this.svg) {
|
||
|
|
this.paintedViewportMap.delete(this.svg);
|
||
|
|
delete this.svg;
|
||
|
|
}
|
||
|
|
this.loadingIconDiv = document.createElement('div');
|
||
|
|
this.loadingIconDiv.className = 'loadingIcon';
|
||
|
|
div.appendChild(this.loadingIconDiv);
|
||
|
|
},
|
||
|
|
update: function PDFPageView_update(scale, rotation) {
|
||
|
|
this.scale = scale || this.scale;
|
||
|
|
if (typeof rotation !== 'undefined') {
|
||
|
|
this.rotation = rotation;
|
||
|
|
}
|
||
|
|
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||
|
|
this.viewport = this.viewport.clone({
|
||
|
|
scale: this.scale * CSS_UNITS,
|
||
|
|
rotation: totalRotation
|
||
|
|
});
|
||
|
|
if (this.svg) {
|
||
|
|
this.cssTransform(this.svg, true);
|
||
|
|
this.eventBus.dispatch('pagerendered', {
|
||
|
|
source: this,
|
||
|
|
pageNumber: this.id,
|
||
|
|
cssTransform: true
|
||
|
|
});
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var isScalingRestricted = false;
|
||
|
|
if (this.canvas && pdfjsLib.PDFJS.maxCanvasPixels > 0) {
|
||
|
|
var outputScale = this.outputScale;
|
||
|
|
if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > pdfjsLib.PDFJS.maxCanvasPixels) {
|
||
|
|
isScalingRestricted = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.canvas) {
|
||
|
|
if (pdfjsLib.PDFJS.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
|
||
|
|
this.cssTransform(this.canvas, true);
|
||
|
|
this.eventBus.dispatch('pagerendered', {
|
||
|
|
source: this,
|
||
|
|
pageNumber: this.id,
|
||
|
|
cssTransform: true
|
||
|
|
});
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.zoomLayer) {
|
||
|
|
this.zoomLayer = this.canvas.parentNode;
|
||
|
|
this.zoomLayer.style.position = 'absolute';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.zoomLayer) {
|
||
|
|
this.cssTransform(this.zoomLayer.firstChild);
|
||
|
|
}
|
||
|
|
this.reset(true, true);
|
||
|
|
},
|
||
|
|
cancelRendering: function PDFPageView_cancelRendering() {
|
||
|
|
if (this.paintTask) {
|
||
|
|
this.paintTask.cancel();
|
||
|
|
this.paintTask = null;
|
||
|
|
}
|
||
|
|
this.renderingState = RenderingStates.INITIAL;
|
||
|
|
this.resume = null;
|
||
|
|
if (this.textLayer) {
|
||
|
|
this.textLayer.cancel();
|
||
|
|
this.textLayer = null;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updatePosition: function PDFPageView_updatePosition() {
|
||
|
|
if (this.textLayer) {
|
||
|
|
this.textLayer.render(TEXT_LAYER_RENDER_DELAY);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
cssTransform: function PDFPageView_transform(target, redrawAnnotations) {
|
||
|
|
var CustomStyle = pdfjsLib.CustomStyle;
|
||
|
|
var width = this.viewport.width;
|
||
|
|
var height = this.viewport.height;
|
||
|
|
var div = this.div;
|
||
|
|
target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
|
||
|
|
target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
|
||
|
|
var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
|
||
|
|
var absRotation = Math.abs(relativeRotation);
|
||
|
|
var scaleX = 1, scaleY = 1;
|
||
|
|
if (absRotation === 90 || absRotation === 270) {
|
||
|
|
scaleX = height / width;
|
||
|
|
scaleY = width / height;
|
||
|
|
}
|
||
|
|
var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
|
||
|
|
CustomStyle.setProp('transform', target, cssTransform);
|
||
|
|
if (this.textLayer) {
|
||
|
|
var textLayerViewport = this.textLayer.viewport;
|
||
|
|
var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
|
||
|
|
var textAbsRotation = Math.abs(textRelativeRotation);
|
||
|
|
var scale = width / textLayerViewport.width;
|
||
|
|
if (textAbsRotation === 90 || textAbsRotation === 270) {
|
||
|
|
scale = width / textLayerViewport.height;
|
||
|
|
}
|
||
|
|
var textLayerDiv = this.textLayer.textLayerDiv;
|
||
|
|
var transX, transY;
|
||
|
|
switch (textAbsRotation) {
|
||
|
|
case 0:
|
||
|
|
transX = transY = 0;
|
||
|
|
break;
|
||
|
|
case 90:
|
||
|
|
transX = 0;
|
||
|
|
transY = '-' + textLayerDiv.style.height;
|
||
|
|
break;
|
||
|
|
case 180:
|
||
|
|
transX = '-' + textLayerDiv.style.width;
|
||
|
|
transY = '-' + textLayerDiv.style.height;
|
||
|
|
break;
|
||
|
|
case 270:
|
||
|
|
transX = '-' + textLayerDiv.style.width;
|
||
|
|
transY = 0;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
console.error('Bad rotation value.');
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')');
|
||
|
|
CustomStyle.setProp('transformOrigin', textLayerDiv, '0% 0%');
|
||
|
|
}
|
||
|
|
if (redrawAnnotations && this.annotationLayer) {
|
||
|
|
this.annotationLayer.render(this.viewport, 'display');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
get width() {
|
||
|
|
return this.viewport.width;
|
||
|
|
},
|
||
|
|
get height() {
|
||
|
|
return this.viewport.height;
|
||
|
|
},
|
||
|
|
getPagePoint: function PDFPageView_getPagePoint(x, y) {
|
||
|
|
return this.viewport.convertToPdfPoint(x, y);
|
||
|
|
},
|
||
|
|
draw: function PDFPageView_draw() {
|
||
|
|
if (this.renderingState !== RenderingStates.INITIAL) {
|
||
|
|
console.error('Must be in new state before drawing');
|
||
|
|
this.reset();
|
||
|
|
}
|
||
|
|
this.renderingState = RenderingStates.RUNNING;
|
||
|
|
var self = this;
|
||
|
|
var pdfPage = this.pdfPage;
|
||
|
|
var viewport = this.viewport;
|
||
|
|
var div = this.div;
|
||
|
|
var canvasWrapper = document.createElement('div');
|
||
|
|
canvasWrapper.style.width = div.style.width;
|
||
|
|
canvasWrapper.style.height = div.style.height;
|
||
|
|
canvasWrapper.classList.add('canvasWrapper');
|
||
|
|
if (this.annotationLayer && this.annotationLayer.div) {
|
||
|
|
div.insertBefore(canvasWrapper, this.annotationLayer.div);
|
||
|
|
} else {
|
||
|
|
div.appendChild(canvasWrapper);
|
||
|
|
}
|
||
|
|
var textLayerDiv = null;
|
||
|
|
var textLayer = null;
|
||
|
|
if (this.textLayerFactory) {
|
||
|
|
textLayerDiv = document.createElement('div');
|
||
|
|
textLayerDiv.className = 'textLayer';
|
||
|
|
textLayerDiv.style.width = canvasWrapper.style.width;
|
||
|
|
textLayerDiv.style.height = canvasWrapper.style.height;
|
||
|
|
if (this.annotationLayer && this.annotationLayer.div) {
|
||
|
|
div.insertBefore(textLayerDiv, this.annotationLayer.div);
|
||
|
|
} else {
|
||
|
|
div.appendChild(textLayerDiv);
|
||
|
|
}
|
||
|
|
textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.enhanceTextSelection);
|
||
|
|
}
|
||
|
|
this.textLayer = textLayer;
|
||
|
|
var renderContinueCallback = null;
|
||
|
|
if (this.renderingQueue) {
|
||
|
|
renderContinueCallback = function renderContinueCallback(cont) {
|
||
|
|
if (!self.renderingQueue.isHighestPriority(self)) {
|
||
|
|
self.renderingState = RenderingStates.PAUSED;
|
||
|
|
self.resume = function resumeCallback() {
|
||
|
|
self.renderingState = RenderingStates.RUNNING;
|
||
|
|
cont();
|
||
|
|
};
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
cont();
|
||
|
|
};
|
||
|
|
}
|
||
|
|
var finishPaintTask = function finishPaintTask(error) {
|
||
|
|
if (paintTask === self.paintTask) {
|
||
|
|
self.paintTask = null;
|
||
|
|
}
|
||
|
|
if (error === 'cancelled') {
|
||
|
|
self.error = null;
|
||
|
|
return Promise.resolve(undefined);
|
||
|
|
}
|
||
|
|
self.renderingState = RenderingStates.FINISHED;
|
||
|
|
if (self.loadingIconDiv) {
|
||
|
|
div.removeChild(self.loadingIconDiv);
|
||
|
|
delete self.loadingIconDiv;
|
||
|
|
}
|
||
|
|
if (self.zoomLayer) {
|
||
|
|
var zoomLayerCanvas = self.zoomLayer.firstChild;
|
||
|
|
self.paintedViewportMap.delete(zoomLayerCanvas);
|
||
|
|
zoomLayerCanvas.width = 0;
|
||
|
|
zoomLayerCanvas.height = 0;
|
||
|
|
if (div.contains(self.zoomLayer)) {
|
||
|
|
div.removeChild(self.zoomLayer);
|
||
|
|
}
|
||
|
|
self.zoomLayer = null;
|
||
|
|
}
|
||
|
|
self.error = error;
|
||
|
|
self.stats = pdfPage.stats;
|
||
|
|
if (self.onAfterDraw) {
|
||
|
|
self.onAfterDraw();
|
||
|
|
}
|
||
|
|
self.eventBus.dispatch('pagerendered', {
|
||
|
|
source: self,
|
||
|
|
pageNumber: self.id,
|
||
|
|
cssTransform: false
|
||
|
|
});
|
||
|
|
if (error) {
|
||
|
|
return Promise.reject(error);
|
||
|
|
}
|
||
|
|
return Promise.resolve(undefined);
|
||
|
|
};
|
||
|
|
var paintTask = this.renderer === RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
|
||
|
|
paintTask.onRenderContinue = renderContinueCallback;
|
||
|
|
this.paintTask = paintTask;
|
||
|
|
var resultPromise = paintTask.promise.then(function () {
|
||
|
|
return finishPaintTask(null).then(function () {
|
||
|
|
if (textLayer) {
|
||
|
|
pdfPage.getTextContent({ normalizeWhitespace: true }).then(function textContentResolved(textContent) {
|
||
|
|
textLayer.setTextContent(textContent);
|
||
|
|
textLayer.render(TEXT_LAYER_RENDER_DELAY);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}, function (reason) {
|
||
|
|
return finishPaintTask(reason);
|
||
|
|
});
|
||
|
|
if (this.annotationLayerFactory) {
|
||
|
|
if (!this.annotationLayer) {
|
||
|
|
this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.renderInteractiveForms);
|
||
|
|
}
|
||
|
|
this.annotationLayer.render(this.viewport, 'display');
|
||
|
|
}
|
||
|
|
div.setAttribute('data-loaded', true);
|
||
|
|
if (this.onBeforeDraw) {
|
||
|
|
this.onBeforeDraw();
|
||
|
|
}
|
||
|
|
return resultPromise;
|
||
|
|
},
|
||
|
|
paintOnCanvas: function (canvasWrapper) {
|
||
|
|
var resolveRenderPromise, rejectRenderPromise;
|
||
|
|
var promise = new Promise(function (resolve, reject) {
|
||
|
|
resolveRenderPromise = resolve;
|
||
|
|
rejectRenderPromise = reject;
|
||
|
|
});
|
||
|
|
var result = {
|
||
|
|
promise: promise,
|
||
|
|
onRenderContinue: function (cont) {
|
||
|
|
cont();
|
||
|
|
},
|
||
|
|
cancel: function () {
|
||
|
|
renderTask.cancel();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var self = this;
|
||
|
|
var pdfPage = this.pdfPage;
|
||
|
|
var viewport = this.viewport;
|
||
|
|
var canvas = document.createElement('canvas');
|
||
|
|
canvas.id = 'page' + this.id;
|
||
|
|
canvas.setAttribute('hidden', 'hidden');
|
||
|
|
var isCanvasHidden = true;
|
||
|
|
var showCanvas = function () {
|
||
|
|
if (isCanvasHidden) {
|
||
|
|
canvas.removeAttribute('hidden');
|
||
|
|
isCanvasHidden = false;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
canvasWrapper.appendChild(canvas);
|
||
|
|
this.canvas = canvas;
|
||
|
|
canvas.mozOpaque = true;
|
||
|
|
var ctx = canvas.getContext('2d', { alpha: false });
|
||
|
|
var outputScale = getOutputScale(ctx);
|
||
|
|
this.outputScale = outputScale;
|
||
|
|
if (pdfjsLib.PDFJS.useOnlyCssZoom) {
|
||
|
|
var actualSizeViewport = viewport.clone({ scale: CSS_UNITS });
|
||
|
|
outputScale.sx *= actualSizeViewport.width / viewport.width;
|
||
|
|
outputScale.sy *= actualSizeViewport.height / viewport.height;
|
||
|
|
outputScale.scaled = true;
|
||
|
|
}
|
||
|
|
if (pdfjsLib.PDFJS.maxCanvasPixels > 0) {
|
||
|
|
var pixelsInViewport = viewport.width * viewport.height;
|
||
|
|
var maxScale = Math.sqrt(pdfjsLib.PDFJS.maxCanvasPixels / pixelsInViewport);
|
||
|
|
if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
|
||
|
|
outputScale.sx = maxScale;
|
||
|
|
outputScale.sy = maxScale;
|
||
|
|
outputScale.scaled = true;
|
||
|
|
this.hasRestrictedScaling = true;
|
||
|
|
} else {
|
||
|
|
this.hasRestrictedScaling = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var sfx = approximateFraction(outputScale.sx);
|
||
|
|
var sfy = approximateFraction(outputScale.sy);
|
||
|
|
canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]);
|
||
|
|
canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]);
|
||
|
|
canvas.style.width = roundToDivide(viewport.width, sfx[1]) + 'px';
|
||
|
|
canvas.style.height = roundToDivide(viewport.height, sfy[1]) + 'px';
|
||
|
|
this.paintedViewportMap.set(canvas, viewport);
|
||
|
|
var transform = !outputScale.scaled ? null : [
|
||
|
|
outputScale.sx,
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
outputScale.sy,
|
||
|
|
0,
|
||
|
|
0
|
||
|
|
];
|
||
|
|
var renderContext = {
|
||
|
|
canvasContext: ctx,
|
||
|
|
transform: transform,
|
||
|
|
viewport: this.viewport,
|
||
|
|
renderInteractiveForms: this.renderInteractiveForms
|
||
|
|
};
|
||
|
|
var renderTask = this.pdfPage.render(renderContext);
|
||
|
|
renderTask.onContinue = function (cont) {
|
||
|
|
showCanvas();
|
||
|
|
if (result.onRenderContinue) {
|
||
|
|
result.onRenderContinue(cont);
|
||
|
|
} else {
|
||
|
|
cont();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
renderTask.promise.then(function pdfPageRenderCallback() {
|
||
|
|
showCanvas();
|
||
|
|
resolveRenderPromise(undefined);
|
||
|
|
}, function pdfPageRenderError(error) {
|
||
|
|
showCanvas();
|
||
|
|
rejectRenderPromise(error);
|
||
|
|
});
|
||
|
|
return result;
|
||
|
|
},
|
||
|
|
paintOnSvg: function PDFPageView_paintOnSvg(wrapper) {
|
||
|
|
var cancelled = false;
|
||
|
|
var ensureNotCancelled = function () {
|
||
|
|
if (cancelled) {
|
||
|
|
throw 'cancelled';
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var self = this;
|
||
|
|
var pdfPage = this.pdfPage;
|
||
|
|
var SVGGraphics = pdfjsLib.SVGGraphics;
|
||
|
|
var actualSizeViewport = this.viewport.clone({ scale: CSS_UNITS });
|
||
|
|
var promise = pdfPage.getOperatorList().then(function (opList) {
|
||
|
|
ensureNotCancelled();
|
||
|
|
var svgGfx = new SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
|
||
|
|
return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
|
||
|
|
ensureNotCancelled();
|
||
|
|
self.svg = svg;
|
||
|
|
self.paintedViewportMap.set(svg, actualSizeViewport);
|
||
|
|
svg.style.width = wrapper.style.width;
|
||
|
|
svg.style.height = wrapper.style.height;
|
||
|
|
self.renderingState = RenderingStates.FINISHED;
|
||
|
|
wrapper.appendChild(svg);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
return {
|
||
|
|
promise: promise,
|
||
|
|
onRenderContinue: function (cont) {
|
||
|
|
cont();
|
||
|
|
},
|
||
|
|
cancel: function () {
|
||
|
|
cancelled = true;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
},
|
||
|
|
setPageLabel: function PDFView_setPageLabel(label) {
|
||
|
|
this.pageLabel = typeof label === 'string' ? label : null;
|
||
|
|
if (this.pageLabel !== null) {
|
||
|
|
this.div.setAttribute('data-page-label', this.pageLabel);
|
||
|
|
} else {
|
||
|
|
this.div.removeAttribute('data-page-label');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFPageView;
|
||
|
|
}();
|
||
|
|
exports.PDFPageView = PDFPageView;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFThumbnailViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFThumbnailView);
|
||
|
|
}(this, function (exports, uiUtils, pdfThumbnailView) {
|
||
|
|
var watchScroll = uiUtils.watchScroll;
|
||
|
|
var getVisibleElements = uiUtils.getVisibleElements;
|
||
|
|
var scrollIntoView = uiUtils.scrollIntoView;
|
||
|
|
var PDFThumbnailView = pdfThumbnailView.PDFThumbnailView;
|
||
|
|
var THUMBNAIL_SCROLL_MARGIN = -19;
|
||
|
|
var PDFThumbnailViewer = function PDFThumbnailViewerClosure() {
|
||
|
|
function PDFThumbnailViewer(options) {
|
||
|
|
this.container = options.container;
|
||
|
|
this.renderingQueue = options.renderingQueue;
|
||
|
|
this.linkService = options.linkService;
|
||
|
|
this.scroll = watchScroll(this.container, this._scrollUpdated.bind(this));
|
||
|
|
this._resetView();
|
||
|
|
}
|
||
|
|
PDFThumbnailViewer.prototype = {
|
||
|
|
_scrollUpdated: function PDFThumbnailViewer_scrollUpdated() {
|
||
|
|
this.renderingQueue.renderHighestPriority();
|
||
|
|
},
|
||
|
|
getThumbnail: function PDFThumbnailViewer_getThumbnail(index) {
|
||
|
|
return this.thumbnails[index];
|
||
|
|
},
|
||
|
|
_getVisibleThumbs: function PDFThumbnailViewer_getVisibleThumbs() {
|
||
|
|
return getVisibleElements(this.container, this.thumbnails);
|
||
|
|
},
|
||
|
|
scrollThumbnailIntoView: function PDFThumbnailViewer_scrollThumbnailIntoView(page) {
|
||
|
|
var selected = document.querySelector('.thumbnail.selected');
|
||
|
|
if (selected) {
|
||
|
|
selected.classList.remove('selected');
|
||
|
|
}
|
||
|
|
var thumbnail = document.querySelector('div.thumbnail[data-page-number="' + page + '"]');
|
||
|
|
if (thumbnail) {
|
||
|
|
thumbnail.classList.add('selected');
|
||
|
|
}
|
||
|
|
var visibleThumbs = this._getVisibleThumbs();
|
||
|
|
var numVisibleThumbs = visibleThumbs.views.length;
|
||
|
|
if (numVisibleThumbs > 0) {
|
||
|
|
var first = visibleThumbs.first.id;
|
||
|
|
var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
|
||
|
|
if (page <= first || page >= last) {
|
||
|
|
scrollIntoView(thumbnail, { top: THUMBNAIL_SCROLL_MARGIN });
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
get pagesRotation() {
|
||
|
|
return this._pagesRotation;
|
||
|
|
},
|
||
|
|
set pagesRotation(rotation) {
|
||
|
|
this._pagesRotation = rotation;
|
||
|
|
for (var i = 0, l = this.thumbnails.length; i < l; i++) {
|
||
|
|
var thumb = this.thumbnails[i];
|
||
|
|
thumb.update(rotation);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
cleanup: function PDFThumbnailViewer_cleanup() {
|
||
|
|
var tempCanvas = PDFThumbnailView.tempImageCache;
|
||
|
|
if (tempCanvas) {
|
||
|
|
tempCanvas.width = 0;
|
||
|
|
tempCanvas.height = 0;
|
||
|
|
}
|
||
|
|
PDFThumbnailView.tempImageCache = null;
|
||
|
|
},
|
||
|
|
_resetView: function PDFThumbnailViewer_resetView() {
|
||
|
|
this.thumbnails = [];
|
||
|
|
this._pageLabels = null;
|
||
|
|
this._pagesRotation = 0;
|
||
|
|
this._pagesRequests = [];
|
||
|
|
this.container.textContent = '';
|
||
|
|
},
|
||
|
|
setDocument: function PDFThumbnailViewer_setDocument(pdfDocument) {
|
||
|
|
if (this.pdfDocument) {
|
||
|
|
this._cancelRendering();
|
||
|
|
this._resetView();
|
||
|
|
}
|
||
|
|
this.pdfDocument = pdfDocument;
|
||
|
|
if (!pdfDocument) {
|
||
|
|
return Promise.resolve();
|
||
|
|
}
|
||
|
|
return pdfDocument.getPage(1).then(function (firstPage) {
|
||
|
|
var pagesCount = pdfDocument.numPages;
|
||
|
|
var viewport = firstPage.getViewport(1.0);
|
||
|
|
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
|
||
|
|
var thumbnail = new PDFThumbnailView({
|
||
|
|
container: this.container,
|
||
|
|
id: pageNum,
|
||
|
|
defaultViewport: viewport.clone(),
|
||
|
|
linkService: this.linkService,
|
||
|
|
renderingQueue: this.renderingQueue,
|
||
|
|
disableCanvasToImageConversion: false
|
||
|
|
});
|
||
|
|
this.thumbnails.push(thumbnail);
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
_cancelRendering: function PDFThumbnailViewer_cancelRendering() {
|
||
|
|
for (var i = 0, ii = this.thumbnails.length; i < ii; i++) {
|
||
|
|
if (this.thumbnails[i]) {
|
||
|
|
this.thumbnails[i].cancelRendering();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setPageLabels: function PDFThumbnailViewer_setPageLabels(labels) {
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!labels) {
|
||
|
|
this._pageLabels = null;
|
||
|
|
} else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
|
||
|
|
this._pageLabels = null;
|
||
|
|
console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
|
||
|
|
} else {
|
||
|
|
this._pageLabels = labels;
|
||
|
|
}
|
||
|
|
for (var i = 0, ii = this.thumbnails.length; i < ii; i++) {
|
||
|
|
var thumbnailView = this.thumbnails[i];
|
||
|
|
var label = this._pageLabels && this._pageLabels[i];
|
||
|
|
thumbnailView.setPageLabel(label);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_ensurePdfPageLoaded: function PDFThumbnailViewer_ensurePdfPageLoaded(thumbView) {
|
||
|
|
if (thumbView.pdfPage) {
|
||
|
|
return Promise.resolve(thumbView.pdfPage);
|
||
|
|
}
|
||
|
|
var pageNumber = thumbView.id;
|
||
|
|
if (this._pagesRequests[pageNumber]) {
|
||
|
|
return this._pagesRequests[pageNumber];
|
||
|
|
}
|
||
|
|
var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
|
||
|
|
thumbView.setPdfPage(pdfPage);
|
||
|
|
this._pagesRequests[pageNumber] = null;
|
||
|
|
return pdfPage;
|
||
|
|
}.bind(this));
|
||
|
|
this._pagesRequests[pageNumber] = promise;
|
||
|
|
return promise;
|
||
|
|
},
|
||
|
|
forceRendering: function () {
|
||
|
|
var visibleThumbs = this._getVisibleThumbs();
|
||
|
|
var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this.thumbnails, this.scroll.down);
|
||
|
|
if (thumbView) {
|
||
|
|
this._ensurePdfPageLoaded(thumbView).then(function () {
|
||
|
|
this.renderingQueue.renderView(thumbView);
|
||
|
|
}.bind(this));
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFThumbnailViewer;
|
||
|
|
}();
|
||
|
|
exports.PDFThumbnailViewer = PDFThumbnailViewer;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebTextLayerBuilder = {}, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, domEvents, pdfjsLib) {
|
||
|
|
var EXPAND_DIVS_TIMEOUT = 300;
|
||
|
|
var TextLayerBuilder = function TextLayerBuilderClosure() {
|
||
|
|
function TextLayerBuilder(options) {
|
||
|
|
this.textLayerDiv = options.textLayerDiv;
|
||
|
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
|
||
|
|
this.textContent = null;
|
||
|
|
this.renderingDone = false;
|
||
|
|
this.pageIdx = options.pageIndex;
|
||
|
|
this.pageNumber = this.pageIdx + 1;
|
||
|
|
this.matches = [];
|
||
|
|
this.viewport = options.viewport;
|
||
|
|
this.textDivs = [];
|
||
|
|
this.findController = options.findController || null;
|
||
|
|
this.textLayerRenderTask = null;
|
||
|
|
this.enhanceTextSelection = options.enhanceTextSelection;
|
||
|
|
this._bindMouse();
|
||
|
|
}
|
||
|
|
TextLayerBuilder.prototype = {
|
||
|
|
_finishRendering: function TextLayerBuilder_finishRendering() {
|
||
|
|
this.renderingDone = true;
|
||
|
|
if (!this.enhanceTextSelection) {
|
||
|
|
var endOfContent = document.createElement('div');
|
||
|
|
endOfContent.className = 'endOfContent';
|
||
|
|
this.textLayerDiv.appendChild(endOfContent);
|
||
|
|
}
|
||
|
|
this.eventBus.dispatch('textlayerrendered', {
|
||
|
|
source: this,
|
||
|
|
pageNumber: this.pageNumber,
|
||
|
|
numTextDivs: this.textDivs.length
|
||
|
|
});
|
||
|
|
},
|
||
|
|
render: function TextLayerBuilder_render(timeout) {
|
||
|
|
if (!this.textContent || this.renderingDone) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.cancel();
|
||
|
|
this.textDivs = [];
|
||
|
|
var textLayerFrag = document.createDocumentFragment();
|
||
|
|
this.textLayerRenderTask = pdfjsLib.renderTextLayer({
|
||
|
|
textContent: this.textContent,
|
||
|
|
container: textLayerFrag,
|
||
|
|
viewport: this.viewport,
|
||
|
|
textDivs: this.textDivs,
|
||
|
|
timeout: timeout,
|
||
|
|
enhanceTextSelection: this.enhanceTextSelection
|
||
|
|
});
|
||
|
|
this.textLayerRenderTask.promise.then(function () {
|
||
|
|
this.textLayerDiv.appendChild(textLayerFrag);
|
||
|
|
this._finishRendering();
|
||
|
|
this.updateMatches();
|
||
|
|
}.bind(this), function (reason) {
|
||
|
|
});
|
||
|
|
},
|
||
|
|
cancel: function TextLayerBuilder_cancel() {
|
||
|
|
if (this.textLayerRenderTask) {
|
||
|
|
this.textLayerRenderTask.cancel();
|
||
|
|
this.textLayerRenderTask = null;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setTextContent: function TextLayerBuilder_setTextContent(textContent) {
|
||
|
|
this.cancel();
|
||
|
|
this.textContent = textContent;
|
||
|
|
},
|
||
|
|
convertMatches: function TextLayerBuilder_convertMatches(matches, matchesLength) {
|
||
|
|
var i = 0;
|
||
|
|
var iIndex = 0;
|
||
|
|
var bidiTexts = this.textContent.items;
|
||
|
|
var end = bidiTexts.length - 1;
|
||
|
|
var queryLen = this.findController === null ? 0 : this.findController.state.query.length;
|
||
|
|
var ret = [];
|
||
|
|
if (!matches) {
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
for (var m = 0, len = matches.length; m < len; m++) {
|
||
|
|
var matchIdx = matches[m];
|
||
|
|
while (i !== end && matchIdx >= iIndex + bidiTexts[i].str.length) {
|
||
|
|
iIndex += bidiTexts[i].str.length;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
if (i === bidiTexts.length) {
|
||
|
|
console.error('Could not find a matching mapping');
|
||
|
|
}
|
||
|
|
var match = {
|
||
|
|
begin: {
|
||
|
|
divIdx: i,
|
||
|
|
offset: matchIdx - iIndex
|
||
|
|
}
|
||
|
|
};
|
||
|
|
if (matchesLength) {
|
||
|
|
matchIdx += matchesLength[m];
|
||
|
|
} else {
|
||
|
|
matchIdx += queryLen;
|
||
|
|
}
|
||
|
|
while (i !== end && matchIdx > iIndex + bidiTexts[i].str.length) {
|
||
|
|
iIndex += bidiTexts[i].str.length;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
match.end = {
|
||
|
|
divIdx: i,
|
||
|
|
offset: matchIdx - iIndex
|
||
|
|
};
|
||
|
|
ret.push(match);
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
},
|
||
|
|
renderMatches: function TextLayerBuilder_renderMatches(matches) {
|
||
|
|
if (matches.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var bidiTexts = this.textContent.items;
|
||
|
|
var textDivs = this.textDivs;
|
||
|
|
var prevEnd = null;
|
||
|
|
var pageIdx = this.pageIdx;
|
||
|
|
var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
|
||
|
|
var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
|
||
|
|
var highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
|
||
|
|
var infinity = {
|
||
|
|
divIdx: -1,
|
||
|
|
offset: undefined
|
||
|
|
};
|
||
|
|
function beginText(begin, className) {
|
||
|
|
var divIdx = begin.divIdx;
|
||
|
|
textDivs[divIdx].textContent = '';
|
||
|
|
appendTextToDiv(divIdx, 0, begin.offset, className);
|
||
|
|
}
|
||
|
|
function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
|
||
|
|
var div = textDivs[divIdx];
|
||
|
|
var content = bidiTexts[divIdx].str.substring(fromOffset, toOffset);
|
||
|
|
var node = document.createTextNode(content);
|
||
|
|
if (className) {
|
||
|
|
var span = document.createElement('span');
|
||
|
|
span.className = className;
|
||
|
|
span.appendChild(node);
|
||
|
|
div.appendChild(span);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
div.appendChild(node);
|
||
|
|
}
|
||
|
|
var i0 = selectedMatchIdx, i1 = i0 + 1;
|
||
|
|
if (highlightAll) {
|
||
|
|
i0 = 0;
|
||
|
|
i1 = matches.length;
|
||
|
|
} else if (!isSelectedPage) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
for (var i = i0; i < i1; i++) {
|
||
|
|
var match = matches[i];
|
||
|
|
var begin = match.begin;
|
||
|
|
var end = match.end;
|
||
|
|
var isSelected = isSelectedPage && i === selectedMatchIdx;
|
||
|
|
var highlightSuffix = isSelected ? ' selected' : '';
|
||
|
|
if (this.findController) {
|
||
|
|
this.findController.updateMatchPosition(pageIdx, i, textDivs, begin.divIdx);
|
||
|
|
}
|
||
|
|
if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
|
||
|
|
if (prevEnd !== null) {
|
||
|
|
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
|
||
|
|
}
|
||
|
|
beginText(begin);
|
||
|
|
} else {
|
||
|
|
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
|
||
|
|
}
|
||
|
|
if (begin.divIdx === end.divIdx) {
|
||
|
|
appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
|
||
|
|
} else {
|
||
|
|
appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
|
||
|
|
for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
|
||
|
|
textDivs[n0].className = 'highlight middle' + highlightSuffix;
|
||
|
|
}
|
||
|
|
beginText(end, 'highlight end' + highlightSuffix);
|
||
|
|
}
|
||
|
|
prevEnd = end;
|
||
|
|
}
|
||
|
|
if (prevEnd) {
|
||
|
|
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
updateMatches: function TextLayerBuilder_updateMatches() {
|
||
|
|
if (!this.renderingDone) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var matches = this.matches;
|
||
|
|
var textDivs = this.textDivs;
|
||
|
|
var bidiTexts = this.textContent.items;
|
||
|
|
var clearedUntilDivIdx = -1;
|
||
|
|
for (var i = 0, len = matches.length; i < len; i++) {
|
||
|
|
var match = matches[i];
|
||
|
|
var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
|
||
|
|
for (var n = begin, end = match.end.divIdx; n <= end; n++) {
|
||
|
|
var div = textDivs[n];
|
||
|
|
div.textContent = bidiTexts[n].str;
|
||
|
|
div.className = '';
|
||
|
|
}
|
||
|
|
clearedUntilDivIdx = match.end.divIdx + 1;
|
||
|
|
}
|
||
|
|
if (this.findController === null || !this.findController.active) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var pageMatches, pageMatchesLength;
|
||
|
|
if (this.findController !== null) {
|
||
|
|
pageMatches = this.findController.pageMatches[this.pageIdx] || null;
|
||
|
|
pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
|
||
|
|
}
|
||
|
|
this.matches = this.convertMatches(pageMatches, pageMatchesLength);
|
||
|
|
this.renderMatches(this.matches);
|
||
|
|
},
|
||
|
|
_bindMouse: function TextLayerBuilder_bindMouse() {
|
||
|
|
var div = this.textLayerDiv;
|
||
|
|
var self = this;
|
||
|
|
var expandDivsTimer = null;
|
||
|
|
div.addEventListener('mousedown', function (e) {
|
||
|
|
if (self.enhanceTextSelection && self.textLayerRenderTask) {
|
||
|
|
self.textLayerRenderTask.expandTextDivs(true);
|
||
|
|
if (expandDivsTimer) {
|
||
|
|
clearTimeout(expandDivsTimer);
|
||
|
|
expandDivsTimer = null;
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var end = div.querySelector('.endOfContent');
|
||
|
|
if (!end) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var adjustTop = e.target !== div;
|
||
|
|
adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';
|
||
|
|
if (adjustTop) {
|
||
|
|
var divBounds = div.getBoundingClientRect();
|
||
|
|
var r = Math.max(0, (e.pageY - divBounds.top) / divBounds.height);
|
||
|
|
end.style.top = (r * 100).toFixed(2) + '%';
|
||
|
|
}
|
||
|
|
end.classList.add('active');
|
||
|
|
});
|
||
|
|
div.addEventListener('mouseup', function (e) {
|
||
|
|
if (self.enhanceTextSelection && self.textLayerRenderTask) {
|
||
|
|
expandDivsTimer = setTimeout(function () {
|
||
|
|
if (self.textLayerRenderTask) {
|
||
|
|
self.textLayerRenderTask.expandTextDivs(false);
|
||
|
|
}
|
||
|
|
expandDivsTimer = null;
|
||
|
|
}, EXPAND_DIVS_TIMEOUT);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var end = div.querySelector('.endOfContent');
|
||
|
|
if (!end) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
end.style.top = '';
|
||
|
|
end.classList.remove('active');
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return TextLayerBuilder;
|
||
|
|
}();
|
||
|
|
function DefaultTextLayerFactory() {
|
||
|
|
}
|
||
|
|
DefaultTextLayerFactory.prototype = {
|
||
|
|
createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
|
||
|
|
return new TextLayerBuilder({
|
||
|
|
textLayerDiv: textLayerDiv,
|
||
|
|
pageIndex: pageIndex,
|
||
|
|
viewport: viewport,
|
||
|
|
enhanceTextSelection: enhanceTextSelection
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
exports.TextLayerBuilder = TextLayerBuilder;
|
||
|
|
exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebAnnotationLayerBuilder = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, uiUtils, pdfLinkService, pdfjsLib) {
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var SimpleLinkService = pdfLinkService.SimpleLinkService;
|
||
|
|
var AnnotationLayerBuilder = function AnnotationLayerBuilderClosure() {
|
||
|
|
function AnnotationLayerBuilder(options) {
|
||
|
|
this.pageDiv = options.pageDiv;
|
||
|
|
this.pdfPage = options.pdfPage;
|
||
|
|
this.renderInteractiveForms = options.renderInteractiveForms;
|
||
|
|
this.linkService = options.linkService;
|
||
|
|
this.downloadManager = options.downloadManager;
|
||
|
|
this.div = null;
|
||
|
|
}
|
||
|
|
AnnotationLayerBuilder.prototype = {
|
||
|
|
render: function AnnotationLayerBuilder_render(viewport, intent) {
|
||
|
|
var self = this;
|
||
|
|
var parameters = { intent: intent === undefined ? 'display' : intent };
|
||
|
|
this.pdfPage.getAnnotations(parameters).then(function (annotations) {
|
||
|
|
viewport = viewport.clone({ dontFlip: true });
|
||
|
|
parameters = {
|
||
|
|
viewport: viewport,
|
||
|
|
div: self.div,
|
||
|
|
annotations: annotations,
|
||
|
|
page: self.pdfPage,
|
||
|
|
renderInteractiveForms: self.renderInteractiveForms,
|
||
|
|
linkService: self.linkService,
|
||
|
|
downloadManager: self.downloadManager
|
||
|
|
};
|
||
|
|
if (self.div) {
|
||
|
|
pdfjsLib.AnnotationLayer.update(parameters);
|
||
|
|
} else {
|
||
|
|
if (annotations.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
self.div = document.createElement('div');
|
||
|
|
self.div.className = 'annotationLayer';
|
||
|
|
self.pageDiv.appendChild(self.div);
|
||
|
|
parameters.div = self.div;
|
||
|
|
pdfjsLib.AnnotationLayer.render(parameters);
|
||
|
|
if (typeof mozL10n !== 'undefined') {
|
||
|
|
mozL10n.translate(self.div);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
hide: function AnnotationLayerBuilder_hide() {
|
||
|
|
if (!this.div) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.div.setAttribute('hidden', 'true');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return AnnotationLayerBuilder;
|
||
|
|
}();
|
||
|
|
function DefaultAnnotationLayerFactory() {
|
||
|
|
}
|
||
|
|
DefaultAnnotationLayerFactory.prototype = {
|
||
|
|
createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
|
||
|
|
return new AnnotationLayerBuilder({
|
||
|
|
pageDiv: pageDiv,
|
||
|
|
pdfPage: pdfPage,
|
||
|
|
renderInteractiveForms: renderInteractiveForms,
|
||
|
|
linkService: new SimpleLinkService()
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
|
||
|
|
exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFPageView, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebTextLayerBuilder, root.pdfjsWebAnnotationLayerBuilder, root.pdfjsWebPDFLinkService, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, uiUtils, pdfPageView, pdfRenderingQueue, textLayerBuilder, annotationLayerBuilder, pdfLinkService, domEvents, pdfjsLib) {
|
||
|
|
var UNKNOWN_SCALE = uiUtils.UNKNOWN_SCALE;
|
||
|
|
var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
|
||
|
|
var VERTICAL_PADDING = uiUtils.VERTICAL_PADDING;
|
||
|
|
var MAX_AUTO_SCALE = uiUtils.MAX_AUTO_SCALE;
|
||
|
|
var CSS_UNITS = uiUtils.CSS_UNITS;
|
||
|
|
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
|
||
|
|
var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
|
||
|
|
var RendererType = uiUtils.RendererType;
|
||
|
|
var scrollIntoView = uiUtils.scrollIntoView;
|
||
|
|
var watchScroll = uiUtils.watchScroll;
|
||
|
|
var getVisibleElements = uiUtils.getVisibleElements;
|
||
|
|
var PDFPageView = pdfPageView.PDFPageView;
|
||
|
|
var RenderingStates = pdfRenderingQueue.RenderingStates;
|
||
|
|
var PDFRenderingQueue = pdfRenderingQueue.PDFRenderingQueue;
|
||
|
|
var TextLayerBuilder = textLayerBuilder.TextLayerBuilder;
|
||
|
|
var AnnotationLayerBuilder = annotationLayerBuilder.AnnotationLayerBuilder;
|
||
|
|
var SimpleLinkService = pdfLinkService.SimpleLinkService;
|
||
|
|
var PresentationModeState = {
|
||
|
|
UNKNOWN: 0,
|
||
|
|
NORMAL: 1,
|
||
|
|
CHANGING: 2,
|
||
|
|
FULLSCREEN: 3
|
||
|
|
};
|
||
|
|
var DEFAULT_CACHE_SIZE = 10;
|
||
|
|
var PDFViewer = function pdfViewer() {
|
||
|
|
function PDFPageViewBuffer(size) {
|
||
|
|
var data = [];
|
||
|
|
this.push = function cachePush(view) {
|
||
|
|
var i = data.indexOf(view);
|
||
|
|
if (i >= 0) {
|
||
|
|
data.splice(i, 1);
|
||
|
|
}
|
||
|
|
data.push(view);
|
||
|
|
if (data.length > size) {
|
||
|
|
data.shift().destroy();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
this.resize = function (newSize) {
|
||
|
|
size = newSize;
|
||
|
|
while (data.length > size) {
|
||
|
|
data.shift().destroy();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function isSameScale(oldScale, newScale) {
|
||
|
|
if (newScale === oldScale) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
if (Math.abs(newScale - oldScale) < 1e-15) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
function PDFViewer(options) {
|
||
|
|
this.container = options.container;
|
||
|
|
this.viewer = options.viewer || options.container.firstElementChild;
|
||
|
|
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
|
||
|
|
this.linkService = options.linkService || new SimpleLinkService();
|
||
|
|
this.downloadManager = options.downloadManager || null;
|
||
|
|
this.removePageBorders = options.removePageBorders || false;
|
||
|
|
this.enhanceTextSelection = options.enhanceTextSelection || false;
|
||
|
|
this.renderInteractiveForms = options.renderInteractiveForms || false;
|
||
|
|
this.renderer = options.renderer || RendererType.CANVAS;
|
||
|
|
this.defaultRenderingQueue = !options.renderingQueue;
|
||
|
|
if (this.defaultRenderingQueue) {
|
||
|
|
this.renderingQueue = new PDFRenderingQueue();
|
||
|
|
this.renderingQueue.setViewer(this);
|
||
|
|
} else {
|
||
|
|
this.renderingQueue = options.renderingQueue;
|
||
|
|
}
|
||
|
|
this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this));
|
||
|
|
this.presentationModeState = PresentationModeState.UNKNOWN;
|
||
|
|
this._resetView();
|
||
|
|
if (this.removePageBorders) {
|
||
|
|
this.viewer.classList.add('removePageBorders');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
PDFViewer.prototype = {
|
||
|
|
get pagesCount() {
|
||
|
|
return this._pages.length;
|
||
|
|
},
|
||
|
|
getPageView: function (index) {
|
||
|
|
return this._pages[index];
|
||
|
|
},
|
||
|
|
get pageViewsReady() {
|
||
|
|
return this._pageViewsReady;
|
||
|
|
},
|
||
|
|
get currentPageNumber() {
|
||
|
|
return this._currentPageNumber;
|
||
|
|
},
|
||
|
|
set currentPageNumber(val) {
|
||
|
|
if ((val | 0) !== val) {
|
||
|
|
throw new Error('Invalid page number.');
|
||
|
|
}
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
this._currentPageNumber = val;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._setCurrentPageNumber(val, true);
|
||
|
|
},
|
||
|
|
_setCurrentPageNumber: function PDFViewer_setCurrentPageNumber(val, resetCurrentPageView) {
|
||
|
|
if (this._currentPageNumber === val) {
|
||
|
|
if (resetCurrentPageView) {
|
||
|
|
this._resetCurrentPageView();
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!(0 < val && val <= this.pagesCount)) {
|
||
|
|
console.error('PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var arg = {
|
||
|
|
source: this,
|
||
|
|
pageNumber: val,
|
||
|
|
pageLabel: this._pageLabels && this._pageLabels[val - 1]
|
||
|
|
};
|
||
|
|
this._currentPageNumber = val;
|
||
|
|
this.eventBus.dispatch('pagechanging', arg);
|
||
|
|
this.eventBus.dispatch('pagechange', arg);
|
||
|
|
if (resetCurrentPageView) {
|
||
|
|
this._resetCurrentPageView();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
get currentPageLabel() {
|
||
|
|
return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
|
||
|
|
},
|
||
|
|
set currentPageLabel(val) {
|
||
|
|
var pageNumber = val | 0;
|
||
|
|
if (this._pageLabels) {
|
||
|
|
var i = this._pageLabels.indexOf(val);
|
||
|
|
if (i >= 0) {
|
||
|
|
pageNumber = i + 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this.currentPageNumber = pageNumber;
|
||
|
|
},
|
||
|
|
get currentScale() {
|
||
|
|
return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE;
|
||
|
|
},
|
||
|
|
set currentScale(val) {
|
||
|
|
if (isNaN(val)) {
|
||
|
|
throw new Error('Invalid numeric scale');
|
||
|
|
}
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
this._currentScale = val;
|
||
|
|
this._currentScaleValue = val !== UNKNOWN_SCALE ? val.toString() : null;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._setScale(val, false);
|
||
|
|
},
|
||
|
|
get currentScaleValue() {
|
||
|
|
return this._currentScaleValue;
|
||
|
|
},
|
||
|
|
set currentScaleValue(val) {
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
this._currentScale = isNaN(val) ? UNKNOWN_SCALE : val;
|
||
|
|
this._currentScaleValue = val.toString();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._setScale(val, false);
|
||
|
|
},
|
||
|
|
get pagesRotation() {
|
||
|
|
return this._pagesRotation;
|
||
|
|
},
|
||
|
|
set pagesRotation(rotation) {
|
||
|
|
if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
|
||
|
|
throw new Error('Invalid pages rotation angle.');
|
||
|
|
}
|
||
|
|
this._pagesRotation = rotation;
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
for (var i = 0, l = this._pages.length; i < l; i++) {
|
||
|
|
var pageView = this._pages[i];
|
||
|
|
pageView.update(pageView.scale, rotation);
|
||
|
|
}
|
||
|
|
this._setScale(this._currentScaleValue, true);
|
||
|
|
if (this.defaultRenderingQueue) {
|
||
|
|
this.update();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setDocument: function (pdfDocument) {
|
||
|
|
if (this.pdfDocument) {
|
||
|
|
this._cancelRendering();
|
||
|
|
this._resetView();
|
||
|
|
}
|
||
|
|
this.pdfDocument = pdfDocument;
|
||
|
|
if (!pdfDocument) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var pagesCount = pdfDocument.numPages;
|
||
|
|
var self = this;
|
||
|
|
var resolvePagesPromise;
|
||
|
|
var pagesPromise = new Promise(function (resolve) {
|
||
|
|
resolvePagesPromise = resolve;
|
||
|
|
});
|
||
|
|
this.pagesPromise = pagesPromise;
|
||
|
|
pagesPromise.then(function () {
|
||
|
|
self._pageViewsReady = true;
|
||
|
|
self.eventBus.dispatch('pagesloaded', {
|
||
|
|
source: self,
|
||
|
|
pagesCount: pagesCount
|
||
|
|
});
|
||
|
|
});
|
||
|
|
var isOnePageRenderedResolved = false;
|
||
|
|
var resolveOnePageRendered = null;
|
||
|
|
var onePageRendered = new Promise(function (resolve) {
|
||
|
|
resolveOnePageRendered = resolve;
|
||
|
|
});
|
||
|
|
this.onePageRendered = onePageRendered;
|
||
|
|
var bindOnAfterAndBeforeDraw = function (pageView) {
|
||
|
|
pageView.onBeforeDraw = function pdfViewLoadOnBeforeDraw() {
|
||
|
|
self._buffer.push(this);
|
||
|
|
};
|
||
|
|
pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
|
||
|
|
if (!isOnePageRenderedResolved) {
|
||
|
|
isOnePageRenderedResolved = true;
|
||
|
|
resolveOnePageRendered();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
};
|
||
|
|
var firstPagePromise = pdfDocument.getPage(1);
|
||
|
|
this.firstPagePromise = firstPagePromise;
|
||
|
|
return firstPagePromise.then(function (pdfPage) {
|
||
|
|
var scale = this.currentScale;
|
||
|
|
var viewport = pdfPage.getViewport(scale * CSS_UNITS);
|
||
|
|
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
|
||
|
|
var textLayerFactory = null;
|
||
|
|
if (!pdfjsLib.PDFJS.disableTextLayer) {
|
||
|
|
textLayerFactory = this;
|
||
|
|
}
|
||
|
|
var pageView = new PDFPageView({
|
||
|
|
container: this.viewer,
|
||
|
|
eventBus: this.eventBus,
|
||
|
|
id: pageNum,
|
||
|
|
scale: scale,
|
||
|
|
defaultViewport: viewport.clone(),
|
||
|
|
renderingQueue: this.renderingQueue,
|
||
|
|
textLayerFactory: textLayerFactory,
|
||
|
|
annotationLayerFactory: this,
|
||
|
|
enhanceTextSelection: this.enhanceTextSelection,
|
||
|
|
renderInteractiveForms: this.renderInteractiveForms,
|
||
|
|
renderer: this.renderer
|
||
|
|
});
|
||
|
|
bindOnAfterAndBeforeDraw(pageView);
|
||
|
|
this._pages.push(pageView);
|
||
|
|
}
|
||
|
|
var linkService = this.linkService;
|
||
|
|
onePageRendered.then(function () {
|
||
|
|
if (!pdfjsLib.PDFJS.disableAutoFetch) {
|
||
|
|
var getPagesLeft = pagesCount;
|
||
|
|
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
|
||
|
|
pdfDocument.getPage(pageNum).then(function (pageNum, pdfPage) {
|
||
|
|
var pageView = self._pages[pageNum - 1];
|
||
|
|
if (!pageView.pdfPage) {
|
||
|
|
pageView.setPdfPage(pdfPage);
|
||
|
|
}
|
||
|
|
linkService.cachePageRef(pageNum, pdfPage.ref);
|
||
|
|
getPagesLeft--;
|
||
|
|
if (!getPagesLeft) {
|
||
|
|
resolvePagesPromise();
|
||
|
|
}
|
||
|
|
}.bind(null, pageNum));
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
resolvePagesPromise();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
self.eventBus.dispatch('pagesinit', { source: self });
|
||
|
|
if (this.defaultRenderingQueue) {
|
||
|
|
this.update();
|
||
|
|
}
|
||
|
|
if (this.findController) {
|
||
|
|
this.findController.resolveFirstPage();
|
||
|
|
}
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
setPageLabels: function PDFViewer_setPageLabels(labels) {
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!labels) {
|
||
|
|
this._pageLabels = null;
|
||
|
|
} else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
|
||
|
|
this._pageLabels = null;
|
||
|
|
console.error('PDFViewer_setPageLabels: Invalid page labels.');
|
||
|
|
} else {
|
||
|
|
this._pageLabels = labels;
|
||
|
|
}
|
||
|
|
for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
||
|
|
var pageView = this._pages[i];
|
||
|
|
var label = this._pageLabels && this._pageLabels[i];
|
||
|
|
pageView.setPageLabel(label);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_resetView: function () {
|
||
|
|
this._pages = [];
|
||
|
|
this._currentPageNumber = 1;
|
||
|
|
this._currentScale = UNKNOWN_SCALE;
|
||
|
|
this._currentScaleValue = null;
|
||
|
|
this._pageLabels = null;
|
||
|
|
this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
|
||
|
|
this._location = null;
|
||
|
|
this._pagesRotation = 0;
|
||
|
|
this._pagesRequests = [];
|
||
|
|
this._pageViewsReady = false;
|
||
|
|
this.viewer.textContent = '';
|
||
|
|
},
|
||
|
|
_scrollUpdate: function PDFViewer_scrollUpdate() {
|
||
|
|
if (this.pagesCount === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.update();
|
||
|
|
for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
||
|
|
this._pages[i].updatePosition();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_setScaleDispatchEvent: function pdfViewer_setScaleDispatchEvent(newScale, newValue, preset) {
|
||
|
|
var arg = {
|
||
|
|
source: this,
|
||
|
|
scale: newScale,
|
||
|
|
presetValue: preset ? newValue : undefined
|
||
|
|
};
|
||
|
|
this.eventBus.dispatch('scalechanging', arg);
|
||
|
|
this.eventBus.dispatch('scalechange', arg);
|
||
|
|
},
|
||
|
|
_setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(newScale, newValue, noScroll, preset) {
|
||
|
|
this._currentScaleValue = newValue.toString();
|
||
|
|
if (isSameScale(this._currentScale, newScale)) {
|
||
|
|
if (preset) {
|
||
|
|
this._setScaleDispatchEvent(newScale, newValue, true);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
||
|
|
this._pages[i].update(newScale);
|
||
|
|
}
|
||
|
|
this._currentScale = newScale;
|
||
|
|
if (!noScroll) {
|
||
|
|
var page = this._currentPageNumber, dest;
|
||
|
|
if (this._location && !pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
|
||
|
|
page = this._location.pageNumber;
|
||
|
|
dest = [
|
||
|
|
null,
|
||
|
|
{ name: 'XYZ' },
|
||
|
|
this._location.left,
|
||
|
|
this._location.top,
|
||
|
|
null
|
||
|
|
];
|
||
|
|
}
|
||
|
|
this.scrollPageIntoView({
|
||
|
|
pageNumber: page,
|
||
|
|
destArray: dest,
|
||
|
|
allowNegativeOffset: true
|
||
|
|
});
|
||
|
|
}
|
||
|
|
this._setScaleDispatchEvent(newScale, newValue, preset);
|
||
|
|
if (this.defaultRenderingQueue) {
|
||
|
|
this.update();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_setScale: function PDFViewer_setScale(value, noScroll) {
|
||
|
|
var scale = parseFloat(value);
|
||
|
|
if (scale > 0) {
|
||
|
|
this._setScaleUpdatePages(scale, value, noScroll, false);
|
||
|
|
} else {
|
||
|
|
var currentPage = this._pages[this._currentPageNumber - 1];
|
||
|
|
if (!currentPage) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : SCROLLBAR_PADDING;
|
||
|
|
var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : VERTICAL_PADDING;
|
||
|
|
var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
|
||
|
|
var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
|
||
|
|
switch (value) {
|
||
|
|
case 'page-actual':
|
||
|
|
scale = 1;
|
||
|
|
break;
|
||
|
|
case 'page-width':
|
||
|
|
scale = pageWidthScale;
|
||
|
|
break;
|
||
|
|
case 'page-height':
|
||
|
|
scale = pageHeightScale;
|
||
|
|
break;
|
||
|
|
case 'page-fit':
|
||
|
|
scale = Math.min(pageWidthScale, pageHeightScale);
|
||
|
|
break;
|
||
|
|
case 'auto':
|
||
|
|
var isLandscape = currentPage.width > currentPage.height;
|
||
|
|
var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale;
|
||
|
|
scale = Math.min(MAX_AUTO_SCALE, horizontalScale);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
console.error('PDFViewer_setScale: "' + value + '" is an unknown zoom value.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this._setScaleUpdatePages(scale, value, noScroll, true);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_resetCurrentPageView: function () {
|
||
|
|
if (this.isInPresentationMode) {
|
||
|
|
this._setScale(this._currentScaleValue, true);
|
||
|
|
}
|
||
|
|
var pageView = this._pages[this._currentPageNumber - 1];
|
||
|
|
scrollIntoView(pageView.div);
|
||
|
|
},
|
||
|
|
scrollPageIntoView: function PDFViewer_scrollPageIntoView(params) {
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (arguments.length > 1 || typeof params === 'number') {
|
||
|
|
console.warn('Call of scrollPageIntoView() with obsolete signature.');
|
||
|
|
var paramObj = {};
|
||
|
|
if (typeof params === 'number') {
|
||
|
|
paramObj.pageNumber = params;
|
||
|
|
}
|
||
|
|
if (arguments[1] instanceof Array) {
|
||
|
|
paramObj.destArray = arguments[1];
|
||
|
|
}
|
||
|
|
params = paramObj;
|
||
|
|
}
|
||
|
|
var pageNumber = params.pageNumber || 0;
|
||
|
|
var dest = params.destArray || null;
|
||
|
|
var allowNegativeOffset = params.allowNegativeOffset || false;
|
||
|
|
if (this.isInPresentationMode || !dest) {
|
||
|
|
this._setCurrentPageNumber(pageNumber, true);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var pageView = this._pages[pageNumber - 1];
|
||
|
|
if (!pageView) {
|
||
|
|
console.error('PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var x = 0, y = 0;
|
||
|
|
var width = 0, height = 0, widthScale, heightScale;
|
||
|
|
var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
|
||
|
|
var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / CSS_UNITS;
|
||
|
|
var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / CSS_UNITS;
|
||
|
|
var scale = 0;
|
||
|
|
switch (dest[1].name) {
|
||
|
|
case 'XYZ':
|
||
|
|
x = dest[2];
|
||
|
|
y = dest[3];
|
||
|
|
scale = dest[4];
|
||
|
|
x = x !== null ? x : 0;
|
||
|
|
y = y !== null ? y : pageHeight;
|
||
|
|
break;
|
||
|
|
case 'Fit':
|
||
|
|
case 'FitB':
|
||
|
|
scale = 'page-fit';
|
||
|
|
break;
|
||
|
|
case 'FitH':
|
||
|
|
case 'FitBH':
|
||
|
|
y = dest[2];
|
||
|
|
scale = 'page-width';
|
||
|
|
if (y === null && this._location) {
|
||
|
|
x = this._location.left;
|
||
|
|
y = this._location.top;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 'FitV':
|
||
|
|
case 'FitBV':
|
||
|
|
x = dest[2];
|
||
|
|
width = pageWidth;
|
||
|
|
height = pageHeight;
|
||
|
|
scale = 'page-height';
|
||
|
|
break;
|
||
|
|
case 'FitR':
|
||
|
|
x = dest[2];
|
||
|
|
y = dest[3];
|
||
|
|
width = dest[4] - x;
|
||
|
|
height = dest[5] - y;
|
||
|
|
var hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING;
|
||
|
|
var vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING;
|
||
|
|
widthScale = (this.container.clientWidth - hPadding) / width / CSS_UNITS;
|
||
|
|
heightScale = (this.container.clientHeight - vPadding) / height / CSS_UNITS;
|
||
|
|
scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
console.error('PDFViewer_scrollPageIntoView: \'' + dest[1].name + '\' is not a valid destination type.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (scale && scale !== this._currentScale) {
|
||
|
|
this.currentScaleValue = scale;
|
||
|
|
} else if (this._currentScale === UNKNOWN_SCALE) {
|
||
|
|
this.currentScaleValue = DEFAULT_SCALE_VALUE;
|
||
|
|
}
|
||
|
|
if (scale === 'page-fit' && !dest[4]) {
|
||
|
|
scrollIntoView(pageView.div);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var boundingRect = [
|
||
|
|
pageView.viewport.convertToViewportPoint(x, y),
|
||
|
|
pageView.viewport.convertToViewportPoint(x + width, y + height)
|
||
|
|
];
|
||
|
|
var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
|
||
|
|
var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
|
||
|
|
if (!allowNegativeOffset) {
|
||
|
|
left = Math.max(left, 0);
|
||
|
|
top = Math.max(top, 0);
|
||
|
|
}
|
||
|
|
scrollIntoView(pageView.div, {
|
||
|
|
left: left,
|
||
|
|
top: top
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_updateLocation: function (firstPage) {
|
||
|
|
var currentScale = this._currentScale;
|
||
|
|
var currentScaleValue = this._currentScaleValue;
|
||
|
|
var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
|
||
|
|
var pageNumber = firstPage.id;
|
||
|
|
var pdfOpenParams = '#page=' + pageNumber;
|
||
|
|
pdfOpenParams += '&zoom=' + normalizedScaleValue;
|
||
|
|
var currentPageView = this._pages[pageNumber - 1];
|
||
|
|
var container = this.container;
|
||
|
|
var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
|
||
|
|
var intLeft = Math.round(topLeft[0]);
|
||
|
|
var intTop = Math.round(topLeft[1]);
|
||
|
|
pdfOpenParams += ',' + intLeft + ',' + intTop;
|
||
|
|
this._location = {
|
||
|
|
pageNumber: pageNumber,
|
||
|
|
scale: normalizedScaleValue,
|
||
|
|
top: intTop,
|
||
|
|
left: intLeft,
|
||
|
|
pdfOpenParams: pdfOpenParams
|
||
|
|
};
|
||
|
|
},
|
||
|
|
update: function PDFViewer_update() {
|
||
|
|
var visible = this._getVisiblePages();
|
||
|
|
var visiblePages = visible.views;
|
||
|
|
if (visiblePages.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * visiblePages.length + 1);
|
||
|
|
this._buffer.resize(suggestedCacheSize);
|
||
|
|
this.renderingQueue.renderHighestPriority(visible);
|
||
|
|
var currentId = this._currentPageNumber;
|
||
|
|
var firstPage = visible.first;
|
||
|
|
for (var i = 0, ii = visiblePages.length, stillFullyVisible = false; i < ii; ++i) {
|
||
|
|
var page = visiblePages[i];
|
||
|
|
if (page.percent < 100) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (page.id === currentId) {
|
||
|
|
stillFullyVisible = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!stillFullyVisible) {
|
||
|
|
currentId = visiblePages[0].id;
|
||
|
|
}
|
||
|
|
if (!this.isInPresentationMode) {
|
||
|
|
this._setCurrentPageNumber(currentId);
|
||
|
|
}
|
||
|
|
this._updateLocation(firstPage);
|
||
|
|
this.eventBus.dispatch('updateviewarea', {
|
||
|
|
source: this,
|
||
|
|
location: this._location
|
||
|
|
});
|
||
|
|
},
|
||
|
|
containsElement: function (element) {
|
||
|
|
return this.container.contains(element);
|
||
|
|
},
|
||
|
|
focus: function () {
|
||
|
|
this.container.focus();
|
||
|
|
},
|
||
|
|
get isInPresentationMode() {
|
||
|
|
return this.presentationModeState === PresentationModeState.FULLSCREEN;
|
||
|
|
},
|
||
|
|
get isChangingPresentationMode() {
|
||
|
|
return this.presentationModeState === PresentationModeState.CHANGING;
|
||
|
|
},
|
||
|
|
get isHorizontalScrollbarEnabled() {
|
||
|
|
return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
|
||
|
|
},
|
||
|
|
_getVisiblePages: function () {
|
||
|
|
if (!this.isInPresentationMode) {
|
||
|
|
return getVisibleElements(this.container, this._pages, true);
|
||
|
|
}
|
||
|
|
var visible = [];
|
||
|
|
var currentPage = this._pages[this._currentPageNumber - 1];
|
||
|
|
visible.push({
|
||
|
|
id: currentPage.id,
|
||
|
|
view: currentPage
|
||
|
|
});
|
||
|
|
return {
|
||
|
|
first: currentPage,
|
||
|
|
last: currentPage,
|
||
|
|
views: visible
|
||
|
|
};
|
||
|
|
},
|
||
|
|
cleanup: function () {
|
||
|
|
for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
||
|
|
if (this._pages[i] && this._pages[i].renderingState !== RenderingStates.FINISHED) {
|
||
|
|
this._pages[i].reset();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_cancelRendering: function PDFViewer_cancelRendering() {
|
||
|
|
for (var i = 0, ii = this._pages.length; i < ii; i++) {
|
||
|
|
if (this._pages[i]) {
|
||
|
|
this._pages[i].cancelRendering();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_ensurePdfPageLoaded: function (pageView) {
|
||
|
|
if (pageView.pdfPage) {
|
||
|
|
return Promise.resolve(pageView.pdfPage);
|
||
|
|
}
|
||
|
|
var pageNumber = pageView.id;
|
||
|
|
if (this._pagesRequests[pageNumber]) {
|
||
|
|
return this._pagesRequests[pageNumber];
|
||
|
|
}
|
||
|
|
var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
|
||
|
|
pageView.setPdfPage(pdfPage);
|
||
|
|
this._pagesRequests[pageNumber] = null;
|
||
|
|
return pdfPage;
|
||
|
|
}.bind(this));
|
||
|
|
this._pagesRequests[pageNumber] = promise;
|
||
|
|
return promise;
|
||
|
|
},
|
||
|
|
forceRendering: function (currentlyVisiblePages) {
|
||
|
|
var visiblePages = currentlyVisiblePages || this._getVisiblePages();
|
||
|
|
var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down);
|
||
|
|
if (pageView) {
|
||
|
|
this._ensurePdfPageLoaded(pageView).then(function () {
|
||
|
|
this.renderingQueue.renderView(pageView);
|
||
|
|
}.bind(this));
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
},
|
||
|
|
getPageTextContent: function (pageIndex) {
|
||
|
|
return this.pdfDocument.getPage(pageIndex + 1).then(function (page) {
|
||
|
|
return page.getTextContent({ normalizeWhitespace: true });
|
||
|
|
});
|
||
|
|
},
|
||
|
|
createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
|
||
|
|
return new TextLayerBuilder({
|
||
|
|
textLayerDiv: textLayerDiv,
|
||
|
|
eventBus: this.eventBus,
|
||
|
|
pageIndex: pageIndex,
|
||
|
|
viewport: viewport,
|
||
|
|
findController: this.isInPresentationMode ? null : this.findController,
|
||
|
|
enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
|
||
|
|
});
|
||
|
|
},
|
||
|
|
createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
|
||
|
|
return new AnnotationLayerBuilder({
|
||
|
|
pageDiv: pageDiv,
|
||
|
|
pdfPage: pdfPage,
|
||
|
|
renderInteractiveForms: renderInteractiveForms,
|
||
|
|
linkService: this.linkService,
|
||
|
|
downloadManager: this.downloadManager
|
||
|
|
});
|
||
|
|
},
|
||
|
|
setFindController: function (findController) {
|
||
|
|
this.findController = findController;
|
||
|
|
},
|
||
|
|
getPagesOverview: function () {
|
||
|
|
return this._pages.map(function (pageView) {
|
||
|
|
var viewport = pageView.pdfPage.getViewport(1);
|
||
|
|
return {
|
||
|
|
width: viewport.width,
|
||
|
|
height: viewport.height
|
||
|
|
};
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
return PDFViewer;
|
||
|
|
}();
|
||
|
|
exports.PresentationModeState = PresentationModeState;
|
||
|
|
exports.PDFViewer = PDFViewer;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebApp = {}, root.pdfjsWebUIUtils, root.pdfjsWebDownloadManager, root.pdfjsWebPDFHistory, root.pdfjsWebPreferences, root.pdfjsWebPDFSidebar, root.pdfjsWebViewHistory, root.pdfjsWebPDFThumbnailViewer, root.pdfjsWebToolbar, root.pdfjsWebSecondaryToolbar, root.pdfjsWebPasswordPrompt, root.pdfjsWebPDFPresentationMode, root.pdfjsWebPDFDocumentProperties, root.pdfjsWebHandTool, root.pdfjsWebPDFViewer, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFOutlineViewer, root.pdfjsWebOverlayManager, root.pdfjsWebPDFAttachmentViewer, root.pdfjsWebPDFFindController, root.pdfjsWebPDFFindBar, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, uiUtilsLib, downloadManagerLib, pdfHistoryLib, preferencesLib, pdfSidebarLib, viewHistoryLib, pdfThumbnailViewerLib, toolbarLib, secondaryToolbarLib, passwordPromptLib, pdfPresentationModeLib, pdfDocumentPropertiesLib, handToolLib, pdfViewerLib, pdfRenderingQueueLib, pdfLinkServiceLib, pdfOutlineViewerLib, overlayManagerLib, pdfAttachmentViewerLib, pdfFindControllerLib, pdfFindBarLib, domEventsLib, pdfjsLib) {
|
||
|
|
var UNKNOWN_SCALE = uiUtilsLib.UNKNOWN_SCALE;
|
||
|
|
var DEFAULT_SCALE_VALUE = uiUtilsLib.DEFAULT_SCALE_VALUE;
|
||
|
|
var MIN_SCALE = uiUtilsLib.MIN_SCALE;
|
||
|
|
var MAX_SCALE = uiUtilsLib.MAX_SCALE;
|
||
|
|
var ProgressBar = uiUtilsLib.ProgressBar;
|
||
|
|
var getPDFFileNameFromURL = uiUtilsLib.getPDFFileNameFromURL;
|
||
|
|
var noContextMenuHandler = uiUtilsLib.noContextMenuHandler;
|
||
|
|
var mozL10n = uiUtilsLib.mozL10n;
|
||
|
|
var parseQueryString = uiUtilsLib.parseQueryString;
|
||
|
|
var PDFHistory = pdfHistoryLib.PDFHistory;
|
||
|
|
var Preferences = preferencesLib.Preferences;
|
||
|
|
var SidebarView = pdfSidebarLib.SidebarView;
|
||
|
|
var PDFSidebar = pdfSidebarLib.PDFSidebar;
|
||
|
|
var ViewHistory = viewHistoryLib.ViewHistory;
|
||
|
|
var PDFThumbnailViewer = pdfThumbnailViewerLib.PDFThumbnailViewer;
|
||
|
|
var Toolbar = toolbarLib.Toolbar;
|
||
|
|
var SecondaryToolbar = secondaryToolbarLib.SecondaryToolbar;
|
||
|
|
var PasswordPrompt = passwordPromptLib.PasswordPrompt;
|
||
|
|
var PDFPresentationMode = pdfPresentationModeLib.PDFPresentationMode;
|
||
|
|
var PDFDocumentProperties = pdfDocumentPropertiesLib.PDFDocumentProperties;
|
||
|
|
var HandTool = handToolLib.HandTool;
|
||
|
|
var PresentationModeState = pdfViewerLib.PresentationModeState;
|
||
|
|
var PDFViewer = pdfViewerLib.PDFViewer;
|
||
|
|
var RenderingStates = pdfRenderingQueueLib.RenderingStates;
|
||
|
|
var PDFRenderingQueue = pdfRenderingQueueLib.PDFRenderingQueue;
|
||
|
|
var PDFLinkService = pdfLinkServiceLib.PDFLinkService;
|
||
|
|
var PDFOutlineViewer = pdfOutlineViewerLib.PDFOutlineViewer;
|
||
|
|
var OverlayManager = overlayManagerLib.OverlayManager;
|
||
|
|
var PDFAttachmentViewer = pdfAttachmentViewerLib.PDFAttachmentViewer;
|
||
|
|
var PDFFindController = pdfFindControllerLib.PDFFindController;
|
||
|
|
var PDFFindBar = pdfFindBarLib.PDFFindBar;
|
||
|
|
var getGlobalEventBus = domEventsLib.getGlobalEventBus;
|
||
|
|
var normalizeWheelEventDelta = uiUtilsLib.normalizeWheelEventDelta;
|
||
|
|
var animationStarted = uiUtilsLib.animationStarted;
|
||
|
|
var localized = uiUtilsLib.localized;
|
||
|
|
var RendererType = uiUtilsLib.RendererType;
|
||
|
|
var DEFAULT_SCALE_DELTA = 1.1;
|
||
|
|
var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
|
||
|
|
function configure(PDFJS) {
|
||
|
|
PDFJS.imageResourcesPath = './images/';
|
||
|
|
PDFJS.workerSrc = '../build/pdf.worker.js';
|
||
|
|
PDFJS.cMapUrl = '../web/cmaps/';
|
||
|
|
PDFJS.cMapPacked = true;
|
||
|
|
}
|
||
|
|
var DefaultExernalServices = {
|
||
|
|
updateFindControlState: function (data) {
|
||
|
|
},
|
||
|
|
initPassiveLoading: function (callbacks) {
|
||
|
|
},
|
||
|
|
fallback: function (data, callback) {
|
||
|
|
},
|
||
|
|
reportTelemetry: function (data) {
|
||
|
|
},
|
||
|
|
createDownloadManager: function () {
|
||
|
|
return new downloadManagerLib.DownloadManager();
|
||
|
|
},
|
||
|
|
supportsIntegratedFind: false,
|
||
|
|
supportsDocumentFonts: true,
|
||
|
|
supportsDocumentColors: true,
|
||
|
|
supportedMouseWheelZoomModifierKeys: {
|
||
|
|
ctrlKey: true,
|
||
|
|
metaKey: true
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var PDFViewerApplication = {
|
||
|
|
initialBookmark: document.location.hash.substring(1),
|
||
|
|
initialDestination: null,
|
||
|
|
initialized: false,
|
||
|
|
fellback: false,
|
||
|
|
appConfig: null,
|
||
|
|
pdfDocument: null,
|
||
|
|
pdfLoadingTask: null,
|
||
|
|
printService: null,
|
||
|
|
pdfViewer: null,
|
||
|
|
pdfThumbnailViewer: null,
|
||
|
|
pdfRenderingQueue: null,
|
||
|
|
pdfPresentationMode: null,
|
||
|
|
pdfDocumentProperties: null,
|
||
|
|
pdfLinkService: null,
|
||
|
|
pdfHistory: null,
|
||
|
|
pdfSidebar: null,
|
||
|
|
pdfOutlineViewer: null,
|
||
|
|
pdfAttachmentViewer: null,
|
||
|
|
store: null,
|
||
|
|
downloadManager: null,
|
||
|
|
toolbar: null,
|
||
|
|
secondaryToolbar: null,
|
||
|
|
eventBus: null,
|
||
|
|
pageRotation: 0,
|
||
|
|
isInitialViewSet: false,
|
||
|
|
viewerPrefs: {
|
||
|
|
sidebarViewOnLoad: SidebarView.NONE,
|
||
|
|
pdfBugEnabled: false,
|
||
|
|
showPreviousViewOnLoad: true,
|
||
|
|
defaultZoomValue: '',
|
||
|
|
disablePageLabels: false,
|
||
|
|
renderer: 'canvas',
|
||
|
|
enhanceTextSelection: false,
|
||
|
|
renderInteractiveForms: false
|
||
|
|
},
|
||
|
|
isViewerEmbedded: window.parent !== window,
|
||
|
|
url: '',
|
||
|
|
baseUrl: '',
|
||
|
|
externalServices: DefaultExernalServices,
|
||
|
|
initialize: function pdfViewInitialize(appConfig) {
|
||
|
|
var self = this;
|
||
|
|
var PDFJS = pdfjsLib.PDFJS;
|
||
|
|
Preferences.initialize();
|
||
|
|
this.preferences = Preferences;
|
||
|
|
configure(PDFJS);
|
||
|
|
this.appConfig = appConfig;
|
||
|
|
return this._readPreferences().then(function () {
|
||
|
|
return self._initializeViewerComponents();
|
||
|
|
}).then(function () {
|
||
|
|
self.bindEvents();
|
||
|
|
self.bindWindowEvents();
|
||
|
|
localized.then(function () {
|
||
|
|
self.eventBus.dispatch('localized');
|
||
|
|
});
|
||
|
|
if (self.isViewerEmbedded && !PDFJS.isExternalLinkTargetSet()) {
|
||
|
|
PDFJS.externalLinkTarget = PDFJS.LinkTarget.TOP;
|
||
|
|
}
|
||
|
|
self.initialized = true;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_readPreferences: function () {
|
||
|
|
var self = this;
|
||
|
|
var PDFJS = pdfjsLib.PDFJS;
|
||
|
|
return Promise.all([
|
||
|
|
Preferences.get('enableWebGL').then(function resolved(value) {
|
||
|
|
PDFJS.disableWebGL = !value;
|
||
|
|
}),
|
||
|
|
Preferences.get('sidebarViewOnLoad').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['sidebarViewOnLoad'] = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('pdfBugEnabled').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['pdfBugEnabled'] = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('showPreviousViewOnLoad').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['showPreviousViewOnLoad'] = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('defaultZoomValue').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['defaultZoomValue'] = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('enhanceTextSelection').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['enhanceTextSelection'] = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('disableTextLayer').then(function resolved(value) {
|
||
|
|
if (PDFJS.disableTextLayer === true) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
PDFJS.disableTextLayer = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('disableRange').then(function resolved(value) {
|
||
|
|
if (PDFJS.disableRange === true) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
PDFJS.disableRange = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('disableStream').then(function resolved(value) {
|
||
|
|
if (PDFJS.disableStream === true) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
PDFJS.disableStream = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('disableAutoFetch').then(function resolved(value) {
|
||
|
|
PDFJS.disableAutoFetch = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('disableFontFace').then(function resolved(value) {
|
||
|
|
if (PDFJS.disableFontFace === true) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
PDFJS.disableFontFace = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('useOnlyCssZoom').then(function resolved(value) {
|
||
|
|
PDFJS.useOnlyCssZoom = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('externalLinkTarget').then(function resolved(value) {
|
||
|
|
if (PDFJS.isExternalLinkTargetSet()) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
PDFJS.externalLinkTarget = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('renderer').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['renderer'] = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('renderInteractiveForms').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['renderInteractiveForms'] = value;
|
||
|
|
}),
|
||
|
|
Preferences.get('disablePageLabels').then(function resolved(value) {
|
||
|
|
self.viewerPrefs['disablePageLabels'] = value;
|
||
|
|
})
|
||
|
|
]).catch(function (reason) {
|
||
|
|
});
|
||
|
|
},
|
||
|
|
_initializeViewerComponents: function () {
|
||
|
|
var self = this;
|
||
|
|
var appConfig = this.appConfig;
|
||
|
|
return new Promise(function (resolve, reject) {
|
||
|
|
var eventBus = appConfig.eventBus || getGlobalEventBus();
|
||
|
|
self.eventBus = eventBus;
|
||
|
|
var pdfRenderingQueue = new PDFRenderingQueue();
|
||
|
|
pdfRenderingQueue.onIdle = self.cleanup.bind(self);
|
||
|
|
self.pdfRenderingQueue = pdfRenderingQueue;
|
||
|
|
var pdfLinkService = new PDFLinkService({ eventBus: eventBus });
|
||
|
|
self.pdfLinkService = pdfLinkService;
|
||
|
|
var downloadManager = self.externalServices.createDownloadManager();
|
||
|
|
self.downloadManager = downloadManager;
|
||
|
|
var container = appConfig.mainContainer;
|
||
|
|
var viewer = appConfig.viewerContainer;
|
||
|
|
self.pdfViewer = new PDFViewer({
|
||
|
|
container: container,
|
||
|
|
viewer: viewer,
|
||
|
|
eventBus: eventBus,
|
||
|
|
renderingQueue: pdfRenderingQueue,
|
||
|
|
linkService: pdfLinkService,
|
||
|
|
downloadManager: downloadManager,
|
||
|
|
renderer: self.viewerPrefs['renderer'],
|
||
|
|
enhanceTextSelection: self.viewerPrefs['enhanceTextSelection'],
|
||
|
|
renderInteractiveForms: self.viewerPrefs['renderInteractiveForms']
|
||
|
|
});
|
||
|
|
pdfRenderingQueue.setViewer(self.pdfViewer);
|
||
|
|
pdfLinkService.setViewer(self.pdfViewer);
|
||
|
|
var thumbnailContainer = appConfig.sidebar.thumbnailView;
|
||
|
|
self.pdfThumbnailViewer = new PDFThumbnailViewer({
|
||
|
|
container: thumbnailContainer,
|
||
|
|
renderingQueue: pdfRenderingQueue,
|
||
|
|
linkService: pdfLinkService
|
||
|
|
});
|
||
|
|
pdfRenderingQueue.setThumbnailViewer(self.pdfThumbnailViewer);
|
||
|
|
self.pdfHistory = new PDFHistory({
|
||
|
|
linkService: pdfLinkService,
|
||
|
|
eventBus: eventBus
|
||
|
|
});
|
||
|
|
pdfLinkService.setHistory(self.pdfHistory);
|
||
|
|
self.findController = new PDFFindController({ pdfViewer: self.pdfViewer });
|
||
|
|
self.findController.onUpdateResultsCount = function (matchCount) {
|
||
|
|
if (self.supportsIntegratedFind) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
self.findBar.updateResultsCount(matchCount);
|
||
|
|
};
|
||
|
|
self.findController.onUpdateState = function (state, previous, matchCount) {
|
||
|
|
if (self.supportsIntegratedFind) {
|
||
|
|
self.externalServices.updateFindControlState({
|
||
|
|
result: state,
|
||
|
|
findPrevious: previous
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
self.findBar.updateUIState(state, previous, matchCount);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
self.pdfViewer.setFindController(self.findController);
|
||
|
|
var findBarConfig = Object.create(appConfig.findBar);
|
||
|
|
findBarConfig.findController = self.findController;
|
||
|
|
findBarConfig.eventBus = eventBus;
|
||
|
|
self.findBar = new PDFFindBar(findBarConfig);
|
||
|
|
self.overlayManager = OverlayManager;
|
||
|
|
self.handTool = new HandTool({
|
||
|
|
container: container,
|
||
|
|
eventBus: eventBus
|
||
|
|
});
|
||
|
|
self.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties);
|
||
|
|
self.toolbar = new Toolbar(appConfig.toolbar, container, eventBus);
|
||
|
|
self.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
|
||
|
|
if (self.supportsFullscreen) {
|
||
|
|
self.pdfPresentationMode = new PDFPresentationMode({
|
||
|
|
container: container,
|
||
|
|
viewer: viewer,
|
||
|
|
pdfViewer: self.pdfViewer,
|
||
|
|
eventBus: eventBus,
|
||
|
|
contextMenuItems: appConfig.fullscreen
|
||
|
|
});
|
||
|
|
}
|
||
|
|
self.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay);
|
||
|
|
self.pdfOutlineViewer = new PDFOutlineViewer({
|
||
|
|
container: appConfig.sidebar.outlineView,
|
||
|
|
eventBus: eventBus,
|
||
|
|
linkService: pdfLinkService
|
||
|
|
});
|
||
|
|
self.pdfAttachmentViewer = new PDFAttachmentViewer({
|
||
|
|
container: appConfig.sidebar.attachmentsView,
|
||
|
|
eventBus: eventBus,
|
||
|
|
downloadManager: downloadManager
|
||
|
|
});
|
||
|
|
var sidebarConfig = Object.create(appConfig.sidebar);
|
||
|
|
sidebarConfig.pdfViewer = self.pdfViewer;
|
||
|
|
sidebarConfig.pdfThumbnailViewer = self.pdfThumbnailViewer;
|
||
|
|
sidebarConfig.pdfOutlineViewer = self.pdfOutlineViewer;
|
||
|
|
sidebarConfig.eventBus = eventBus;
|
||
|
|
self.pdfSidebar = new PDFSidebar(sidebarConfig);
|
||
|
|
self.pdfSidebar.onToggled = self.forceRendering.bind(self);
|
||
|
|
resolve(undefined);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
run: function pdfViewRun(config) {
|
||
|
|
this.initialize(config).then(webViewerInitialized);
|
||
|
|
},
|
||
|
|
zoomIn: function pdfViewZoomIn(ticks) {
|
||
|
|
var newScale = this.pdfViewer.currentScale;
|
||
|
|
do {
|
||
|
|
newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
|
||
|
|
newScale = Math.ceil(newScale * 10) / 10;
|
||
|
|
newScale = Math.min(MAX_SCALE, newScale);
|
||
|
|
} while (--ticks > 0 && newScale < MAX_SCALE);
|
||
|
|
this.pdfViewer.currentScaleValue = newScale;
|
||
|
|
},
|
||
|
|
zoomOut: function pdfViewZoomOut(ticks) {
|
||
|
|
var newScale = this.pdfViewer.currentScale;
|
||
|
|
do {
|
||
|
|
newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
|
||
|
|
newScale = Math.floor(newScale * 10) / 10;
|
||
|
|
newScale = Math.max(MIN_SCALE, newScale);
|
||
|
|
} while (--ticks > 0 && newScale > MIN_SCALE);
|
||
|
|
this.pdfViewer.currentScaleValue = newScale;
|
||
|
|
},
|
||
|
|
get pagesCount() {
|
||
|
|
return this.pdfDocument ? this.pdfDocument.numPages : 0;
|
||
|
|
},
|
||
|
|
set page(val) {
|
||
|
|
this.pdfViewer.currentPageNumber = val;
|
||
|
|
},
|
||
|
|
get page() {
|
||
|
|
return this.pdfViewer.currentPageNumber;
|
||
|
|
},
|
||
|
|
get printing() {
|
||
|
|
return !!this.printService;
|
||
|
|
},
|
||
|
|
get supportsPrinting() {
|
||
|
|
return PDFPrintServiceFactory.instance.supportsPrinting;
|
||
|
|
},
|
||
|
|
get supportsFullscreen() {
|
||
|
|
var support;
|
||
|
|
var doc = document.documentElement;
|
||
|
|
support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen || doc.msRequestFullscreen);
|
||
|
|
if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false || document.msFullscreenEnabled === false) {
|
||
|
|
support = false;
|
||
|
|
}
|
||
|
|
if (support && pdfjsLib.PDFJS.disableFullscreen === true) {
|
||
|
|
support = false;
|
||
|
|
}
|
||
|
|
return pdfjsLib.shadow(this, 'supportsFullscreen', support);
|
||
|
|
},
|
||
|
|
get supportsIntegratedFind() {
|
||
|
|
return this.externalServices.supportsIntegratedFind;
|
||
|
|
},
|
||
|
|
get supportsDocumentFonts() {
|
||
|
|
return this.externalServices.supportsDocumentFonts;
|
||
|
|
},
|
||
|
|
get supportsDocumentColors() {
|
||
|
|
return this.externalServices.supportsDocumentColors;
|
||
|
|
},
|
||
|
|
get loadingBar() {
|
||
|
|
var bar = new ProgressBar('#loadingBar', {});
|
||
|
|
return pdfjsLib.shadow(this, 'loadingBar', bar);
|
||
|
|
},
|
||
|
|
get supportedMouseWheelZoomModifierKeys() {
|
||
|
|
return this.externalServices.supportedMouseWheelZoomModifierKeys;
|
||
|
|
},
|
||
|
|
initPassiveLoading: function pdfViewInitPassiveLoading() {
|
||
|
|
throw new Error('Not implemented: initPassiveLoading');
|
||
|
|
},
|
||
|
|
setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
|
||
|
|
this.url = url;
|
||
|
|
this.baseUrl = url.split('#')[0];
|
||
|
|
try {
|
||
|
|
this.setTitle(decodeURIComponent(pdfjsLib.getFilenameFromUrl(url)) || url);
|
||
|
|
} catch (e) {
|
||
|
|
this.setTitle(url);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setTitle: function pdfViewSetTitle(title) {
|
||
|
|
if (this.isViewerEmbedded) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
document.title = title;
|
||
|
|
},
|
||
|
|
close: function pdfViewClose() {
|
||
|
|
var errorWrapper = this.appConfig.errorWrapper.container;
|
||
|
|
errorWrapper.setAttribute('hidden', 'true');
|
||
|
|
if (!this.pdfLoadingTask) {
|
||
|
|
return Promise.resolve();
|
||
|
|
}
|
||
|
|
var promise = this.pdfLoadingTask.destroy();
|
||
|
|
this.pdfLoadingTask = null;
|
||
|
|
if (this.pdfDocument) {
|
||
|
|
this.pdfDocument = null;
|
||
|
|
this.pdfThumbnailViewer.setDocument(null);
|
||
|
|
this.pdfViewer.setDocument(null);
|
||
|
|
this.pdfLinkService.setDocument(null, null);
|
||
|
|
}
|
||
|
|
this.store = null;
|
||
|
|
this.isInitialViewSet = false;
|
||
|
|
this.pdfSidebar.reset();
|
||
|
|
this.pdfOutlineViewer.reset();
|
||
|
|
this.pdfAttachmentViewer.reset();
|
||
|
|
this.findController.reset();
|
||
|
|
this.findBar.reset();
|
||
|
|
this.toolbar.reset();
|
||
|
|
this.secondaryToolbar.reset();
|
||
|
|
if (typeof PDFBug !== 'undefined') {
|
||
|
|
PDFBug.cleanup();
|
||
|
|
}
|
||
|
|
return promise;
|
||
|
|
},
|
||
|
|
open: function pdfViewOpen(file, args) {
|
||
|
|
if (arguments.length > 2 || typeof args === 'number') {
|
||
|
|
return Promise.reject(new Error('Call of open() with obsolete signature.'));
|
||
|
|
}
|
||
|
|
if (this.pdfLoadingTask) {
|
||
|
|
return this.close().then(function () {
|
||
|
|
Preferences.reload();
|
||
|
|
return this.open(file, args);
|
||
|
|
}.bind(this));
|
||
|
|
}
|
||
|
|
var parameters = Object.create(null), scale;
|
||
|
|
if (typeof file === 'string') {
|
||
|
|
this.setTitleUsingUrl(file);
|
||
|
|
parameters.url = file;
|
||
|
|
} else if (file && 'byteLength' in file) {
|
||
|
|
parameters.data = file;
|
||
|
|
} else if (file.url && file.originalUrl) {
|
||
|
|
this.setTitleUsingUrl(file.originalUrl);
|
||
|
|
parameters.url = file.url;
|
||
|
|
}
|
||
|
|
if (args) {
|
||
|
|
for (var prop in args) {
|
||
|
|
parameters[prop] = args[prop];
|
||
|
|
}
|
||
|
|
if (args.scale) {
|
||
|
|
scale = args.scale;
|
||
|
|
}
|
||
|
|
if (args.length) {
|
||
|
|
this.pdfDocumentProperties.setFileSize(args.length);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var self = this;
|
||
|
|
self.downloadComplete = false;
|
||
|
|
var loadingTask = pdfjsLib.getDocument(parameters);
|
||
|
|
this.pdfLoadingTask = loadingTask;
|
||
|
|
loadingTask.onPassword = function passwordNeeded(updateCallback, reason) {
|
||
|
|
self.passwordPrompt.setUpdateCallback(updateCallback, reason);
|
||
|
|
self.passwordPrompt.open();
|
||
|
|
};
|
||
|
|
loadingTask.onProgress = function getDocumentProgress(progressData) {
|
||
|
|
self.progress(progressData.loaded / progressData.total);
|
||
|
|
};
|
||
|
|
loadingTask.onUnsupportedFeature = this.fallback.bind(this);
|
||
|
|
return loadingTask.promise.then(function getDocumentCallback(pdfDocument) {
|
||
|
|
self.load(pdfDocument, scale);
|
||
|
|
}, function getDocumentError(exception) {
|
||
|
|
var message = exception && exception.message;
|
||
|
|
var loadingErrorMessage = mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.');
|
||
|
|
if (exception instanceof pdfjsLib.InvalidPDFException) {
|
||
|
|
loadingErrorMessage = mozL10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
|
||
|
|
} else if (exception instanceof pdfjsLib.MissingPDFException) {
|
||
|
|
loadingErrorMessage = mozL10n.get('missing_file_error', null, 'Missing PDF file.');
|
||
|
|
} else if (exception instanceof pdfjsLib.UnexpectedResponseException) {
|
||
|
|
loadingErrorMessage = mozL10n.get('unexpected_response_error', null, 'Unexpected server response.');
|
||
|
|
}
|
||
|
|
var moreInfo = { message: message };
|
||
|
|
self.error(loadingErrorMessage, moreInfo);
|
||
|
|
throw new Error(loadingErrorMessage);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
download: function pdfViewDownload() {
|
||
|
|
function downloadByUrl() {
|
||
|
|
downloadManager.downloadUrl(url, filename);
|
||
|
|
}
|
||
|
|
var url = this.baseUrl;
|
||
|
|
var filename = getPDFFileNameFromURL(url);
|
||
|
|
var downloadManager = this.downloadManager;
|
||
|
|
downloadManager.onerror = function (err) {
|
||
|
|
PDFViewerApplication.error('PDF failed to download.');
|
||
|
|
};
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
downloadByUrl();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.downloadComplete) {
|
||
|
|
downloadByUrl();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.pdfDocument.getData().then(function getDataSuccess(data) {
|
||
|
|
var blob = pdfjsLib.createBlob(data, 'application/pdf');
|
||
|
|
downloadManager.download(blob, url, filename);
|
||
|
|
}, downloadByUrl).then(null, downloadByUrl);
|
||
|
|
},
|
||
|
|
fallback: function pdfViewFallback(featureId) {
|
||
|
|
},
|
||
|
|
error: function pdfViewError(message, moreInfo) {
|
||
|
|
var moreInfoText = mozL10n.get('error_version_info', {
|
||
|
|
version: pdfjsLib.version || '?',
|
||
|
|
build: pdfjsLib.build || '?'
|
||
|
|
}, 'PDF.js v{{version}} (build: {{build}})') + '\n';
|
||
|
|
if (moreInfo) {
|
||
|
|
moreInfoText += mozL10n.get('error_message', { message: moreInfo.message }, 'Message: {{message}}');
|
||
|
|
if (moreInfo.stack) {
|
||
|
|
moreInfoText += '\n' + mozL10n.get('error_stack', { stack: moreInfo.stack }, 'Stack: {{stack}}');
|
||
|
|
} else {
|
||
|
|
if (moreInfo.filename) {
|
||
|
|
moreInfoText += '\n' + mozL10n.get('error_file', { file: moreInfo.filename }, 'File: {{file}}');
|
||
|
|
}
|
||
|
|
if (moreInfo.lineNumber) {
|
||
|
|
moreInfoText += '\n' + mozL10n.get('error_line', { line: moreInfo.lineNumber }, 'Line: {{line}}');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var errorWrapperConfig = this.appConfig.errorWrapper;
|
||
|
|
var errorWrapper = errorWrapperConfig.container;
|
||
|
|
errorWrapper.removeAttribute('hidden');
|
||
|
|
var errorMessage = errorWrapperConfig.errorMessage;
|
||
|
|
errorMessage.textContent = message;
|
||
|
|
var closeButton = errorWrapperConfig.closeButton;
|
||
|
|
closeButton.onclick = function () {
|
||
|
|
errorWrapper.setAttribute('hidden', 'true');
|
||
|
|
};
|
||
|
|
var errorMoreInfo = errorWrapperConfig.errorMoreInfo;
|
||
|
|
var moreInfoButton = errorWrapperConfig.moreInfoButton;
|
||
|
|
var lessInfoButton = errorWrapperConfig.lessInfoButton;
|
||
|
|
moreInfoButton.onclick = function () {
|
||
|
|
errorMoreInfo.removeAttribute('hidden');
|
||
|
|
moreInfoButton.setAttribute('hidden', 'true');
|
||
|
|
lessInfoButton.removeAttribute('hidden');
|
||
|
|
errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px';
|
||
|
|
};
|
||
|
|
lessInfoButton.onclick = function () {
|
||
|
|
errorMoreInfo.setAttribute('hidden', 'true');
|
||
|
|
moreInfoButton.removeAttribute('hidden');
|
||
|
|
lessInfoButton.setAttribute('hidden', 'true');
|
||
|
|
};
|
||
|
|
moreInfoButton.oncontextmenu = noContextMenuHandler;
|
||
|
|
lessInfoButton.oncontextmenu = noContextMenuHandler;
|
||
|
|
closeButton.oncontextmenu = noContextMenuHandler;
|
||
|
|
moreInfoButton.removeAttribute('hidden');
|
||
|
|
lessInfoButton.setAttribute('hidden', 'true');
|
||
|
|
errorMoreInfo.value = moreInfoText;
|
||
|
|
},
|
||
|
|
progress: function pdfViewProgress(level) {
|
||
|
|
var percent = Math.round(level * 100);
|
||
|
|
if (percent > this.loadingBar.percent || isNaN(percent)) {
|
||
|
|
this.loadingBar.percent = percent;
|
||
|
|
if (pdfjsLib.PDFJS.disableAutoFetch && percent) {
|
||
|
|
if (this.disableAutoFetchLoadingBarTimeout) {
|
||
|
|
clearTimeout(this.disableAutoFetchLoadingBarTimeout);
|
||
|
|
this.disableAutoFetchLoadingBarTimeout = null;
|
||
|
|
}
|
||
|
|
this.loadingBar.show();
|
||
|
|
this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
|
||
|
|
this.loadingBar.hide();
|
||
|
|
this.disableAutoFetchLoadingBarTimeout = null;
|
||
|
|
}.bind(this), DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
load: function pdfViewLoad(pdfDocument, scale) {
|
||
|
|
var self = this;
|
||
|
|
scale = scale || UNKNOWN_SCALE;
|
||
|
|
this.pdfDocument = pdfDocument;
|
||
|
|
this.pdfDocumentProperties.setDocumentAndUrl(pdfDocument, this.url);
|
||
|
|
var downloadedPromise = pdfDocument.getDownloadInfo().then(function () {
|
||
|
|
self.downloadComplete = true;
|
||
|
|
self.loadingBar.hide();
|
||
|
|
});
|
||
|
|
this.toolbar.setPagesCount(pdfDocument.numPages, false);
|
||
|
|
this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
|
||
|
|
var id = this.documentFingerprint = pdfDocument.fingerprint;
|
||
|
|
var store = this.store = new ViewHistory(id);
|
||
|
|
var baseDocumentUrl;
|
||
|
|
baseDocumentUrl = null;
|
||
|
|
this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
|
||
|
|
var pdfViewer = this.pdfViewer;
|
||
|
|
pdfViewer.currentScale = scale;
|
||
|
|
pdfViewer.setDocument(pdfDocument);
|
||
|
|
var firstPagePromise = pdfViewer.firstPagePromise;
|
||
|
|
var pagesPromise = pdfViewer.pagesPromise;
|
||
|
|
var onePageRendered = pdfViewer.onePageRendered;
|
||
|
|
this.pageRotation = 0;
|
||
|
|
var pdfThumbnailViewer = this.pdfThumbnailViewer;
|
||
|
|
pdfThumbnailViewer.setDocument(pdfDocument);
|
||
|
|
firstPagePromise.then(function (pdfPage) {
|
||
|
|
downloadedPromise.then(function () {
|
||
|
|
self.eventBus.dispatch('documentload', { source: self });
|
||
|
|
});
|
||
|
|
self.loadingBar.setWidth(self.appConfig.viewerContainer);
|
||
|
|
if (!pdfjsLib.PDFJS.disableHistory && !self.isViewerEmbedded) {
|
||
|
|
if (!self.viewerPrefs['showPreviousViewOnLoad']) {
|
||
|
|
self.pdfHistory.clearHistoryState();
|
||
|
|
}
|
||
|
|
self.pdfHistory.initialize(self.documentFingerprint);
|
||
|
|
if (self.pdfHistory.initialDestination) {
|
||
|
|
self.initialDestination = self.pdfHistory.initialDestination;
|
||
|
|
} else if (self.pdfHistory.initialBookmark) {
|
||
|
|
self.initialBookmark = self.pdfHistory.initialBookmark;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var initialParams = {
|
||
|
|
destination: self.initialDestination,
|
||
|
|
bookmark: self.initialBookmark,
|
||
|
|
hash: null
|
||
|
|
};
|
||
|
|
store.initializedPromise.then(function resolved() {
|
||
|
|
var storedHash = null, sidebarView = null;
|
||
|
|
if (self.viewerPrefs['showPreviousViewOnLoad'] && store.get('exists', false)) {
|
||
|
|
var pageNum = store.get('page', '1');
|
||
|
|
var zoom = self.viewerPrefs['defaultZoomValue'] || store.get('zoom', DEFAULT_SCALE_VALUE);
|
||
|
|
var left = store.get('scrollLeft', '0');
|
||
|
|
var top = store.get('scrollTop', '0');
|
||
|
|
storedHash = 'page=' + pageNum + '&zoom=' + zoom + ',' + left + ',' + top;
|
||
|
|
sidebarView = store.get('sidebarView', SidebarView.NONE);
|
||
|
|
} else if (self.viewerPrefs['defaultZoomValue']) {
|
||
|
|
storedHash = 'page=1&zoom=' + self.viewerPrefs['defaultZoomValue'];
|
||
|
|
}
|
||
|
|
self.setInitialView(storedHash, {
|
||
|
|
scale: scale,
|
||
|
|
sidebarView: sidebarView
|
||
|
|
});
|
||
|
|
initialParams.hash = storedHash;
|
||
|
|
if (!self.isViewerEmbedded) {
|
||
|
|
self.pdfViewer.focus();
|
||
|
|
}
|
||
|
|
}, function rejected(reason) {
|
||
|
|
console.error(reason);
|
||
|
|
self.setInitialView(null, { scale: scale });
|
||
|
|
});
|
||
|
|
pagesPromise.then(function resolved() {
|
||
|
|
if (!initialParams.destination && !initialParams.bookmark && !initialParams.hash) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (self.hasEqualPageSizes) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
self.initialDestination = initialParams.destination;
|
||
|
|
self.initialBookmark = initialParams.bookmark;
|
||
|
|
self.pdfViewer.currentScaleValue = self.pdfViewer.currentScaleValue;
|
||
|
|
self.setInitialView(initialParams.hash);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
pdfDocument.getPageLabels().then(function (labels) {
|
||
|
|
if (!labels || self.viewerPrefs['disablePageLabels']) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var i = 0, numLabels = labels.length;
|
||
|
|
if (numLabels !== self.pagesCount) {
|
||
|
|
console.error('The number of Page Labels does not match ' + 'the number of pages in the document.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
while (i < numLabels && labels[i] === (i + 1).toString()) {
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
if (i === numLabels) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
pdfViewer.setPageLabels(labels);
|
||
|
|
pdfThumbnailViewer.setPageLabels(labels);
|
||
|
|
self.toolbar.setPagesCount(pdfDocument.numPages, true);
|
||
|
|
self.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
|
||
|
|
});
|
||
|
|
pagesPromise.then(function () {
|
||
|
|
if (self.supportsPrinting) {
|
||
|
|
pdfDocument.getJavaScript().then(function (javaScript) {
|
||
|
|
if (javaScript.length) {
|
||
|
|
console.warn('Warning: JavaScript is not supported');
|
||
|
|
self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
|
||
|
|
}
|
||
|
|
var regex = /\bprint\s*\(/;
|
||
|
|
for (var i = 0, ii = javaScript.length; i < ii; i++) {
|
||
|
|
var js = javaScript[i];
|
||
|
|
if (js && regex.test(js)) {
|
||
|
|
setTimeout(function () {
|
||
|
|
window.print();
|
||
|
|
});
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
Promise.all([
|
||
|
|
onePageRendered,
|
||
|
|
animationStarted
|
||
|
|
]).then(function () {
|
||
|
|
pdfDocument.getOutline().then(function (outline) {
|
||
|
|
self.pdfOutlineViewer.render({ outline: outline });
|
||
|
|
});
|
||
|
|
pdfDocument.getAttachments().then(function (attachments) {
|
||
|
|
self.pdfAttachmentViewer.render({ attachments: attachments });
|
||
|
|
});
|
||
|
|
});
|
||
|
|
pdfDocument.getMetadata().then(function (data) {
|
||
|
|
var info = data.info, metadata = data.metadata;
|
||
|
|
self.documentInfo = info;
|
||
|
|
self.metadata = metadata;
|
||
|
|
console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (pdfjsLib.version || '-') + (!pdfjsLib.PDFJS.disableWebGL ? ' [WebGL]' : '') + ')');
|
||
|
|
var pdfTitle;
|
||
|
|
if (metadata && metadata.has('dc:title')) {
|
||
|
|
var title = metadata.get('dc:title');
|
||
|
|
if (title !== 'Untitled') {
|
||
|
|
pdfTitle = title;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!pdfTitle && info && info['Title']) {
|
||
|
|
pdfTitle = info['Title'];
|
||
|
|
}
|
||
|
|
if (pdfTitle) {
|
||
|
|
self.setTitle(pdfTitle + ' - ' + document.title);
|
||
|
|
}
|
||
|
|
if (info.IsAcroFormPresent) {
|
||
|
|
console.warn('Warning: AcroForm/XFA is not supported');
|
||
|
|
self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.forms);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
setInitialView: function pdfViewSetInitialView(storedHash, options) {
|
||
|
|
var scale = options && options.scale;
|
||
|
|
var sidebarView = options && options.sidebarView;
|
||
|
|
this.isInitialViewSet = true;
|
||
|
|
this.pdfSidebar.setInitialView(this.viewerPrefs['sidebarViewOnLoad'] || sidebarView | 0);
|
||
|
|
if (this.initialDestination) {
|
||
|
|
this.pdfLinkService.navigateTo(this.initialDestination);
|
||
|
|
this.initialDestination = null;
|
||
|
|
} else if (this.initialBookmark) {
|
||
|
|
this.pdfLinkService.setHash(this.initialBookmark);
|
||
|
|
this.pdfHistory.push({ hash: this.initialBookmark }, true);
|
||
|
|
this.initialBookmark = null;
|
||
|
|
} else if (storedHash) {
|
||
|
|
this.pdfLinkService.setHash(storedHash);
|
||
|
|
} else if (scale) {
|
||
|
|
this.pdfViewer.currentScaleValue = scale;
|
||
|
|
this.page = 1;
|
||
|
|
}
|
||
|
|
this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
|
||
|
|
this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
|
||
|
|
if (!this.pdfViewer.currentScaleValue) {
|
||
|
|
this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
cleanup: function pdfViewCleanup() {
|
||
|
|
if (!this.pdfDocument) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.pdfViewer.cleanup();
|
||
|
|
this.pdfThumbnailViewer.cleanup();
|
||
|
|
if (this.pdfViewer.renderer !== RendererType.SVG) {
|
||
|
|
this.pdfDocument.cleanup();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
forceRendering: function pdfViewForceRendering() {
|
||
|
|
this.pdfRenderingQueue.printing = this.printing;
|
||
|
|
this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
|
||
|
|
this.pdfRenderingQueue.renderHighestPriority();
|
||
|
|
},
|
||
|
|
beforePrint: function pdfViewSetupBeforePrint() {
|
||
|
|
if (this.printService) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.supportsPrinting) {
|
||
|
|
var printMessage = mozL10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by this browser.');
|
||
|
|
this.error(printMessage);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!this.pdfViewer.pageViewsReady) {
|
||
|
|
var notReadyMessage = mozL10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.');
|
||
|
|
window.alert(notReadyMessage);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var pagesOverview = this.pdfViewer.getPagesOverview();
|
||
|
|
var printContainer = this.appConfig.printContainer;
|
||
|
|
var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer);
|
||
|
|
this.printService = printService;
|
||
|
|
this.forceRendering();
|
||
|
|
printService.layout();
|
||
|
|
},
|
||
|
|
get hasEqualPageSizes() {
|
||
|
|
var firstPage = this.pdfViewer.getPageView(0);
|
||
|
|
for (var i = 1, ii = this.pagesCount; i < ii; ++i) {
|
||
|
|
var pageView = this.pdfViewer.getPageView(i);
|
||
|
|
if (pageView.width !== firstPage.width || pageView.height !== firstPage.height) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
afterPrint: function pdfViewSetupAfterPrint() {
|
||
|
|
if (this.printService) {
|
||
|
|
this.printService.destroy();
|
||
|
|
this.printService = null;
|
||
|
|
}
|
||
|
|
this.forceRendering();
|
||
|
|
},
|
||
|
|
rotatePages: function pdfViewRotatePages(delta) {
|
||
|
|
var pageNumber = this.page;
|
||
|
|
this.pageRotation = (this.pageRotation + 360 + delta) % 360;
|
||
|
|
this.pdfViewer.pagesRotation = this.pageRotation;
|
||
|
|
this.pdfThumbnailViewer.pagesRotation = this.pageRotation;
|
||
|
|
this.forceRendering();
|
||
|
|
this.pdfViewer.currentPageNumber = pageNumber;
|
||
|
|
},
|
||
|
|
requestPresentationMode: function pdfViewRequestPresentationMode() {
|
||
|
|
if (!this.pdfPresentationMode) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.pdfPresentationMode.request();
|
||
|
|
},
|
||
|
|
bindEvents: function pdfViewBindEvents() {
|
||
|
|
var eventBus = this.eventBus;
|
||
|
|
eventBus.on('resize', webViewerResize);
|
||
|
|
eventBus.on('hashchange', webViewerHashchange);
|
||
|
|
eventBus.on('beforeprint', this.beforePrint.bind(this));
|
||
|
|
eventBus.on('afterprint', this.afterPrint.bind(this));
|
||
|
|
eventBus.on('pagerendered', webViewerPageRendered);
|
||
|
|
eventBus.on('textlayerrendered', webViewerTextLayerRendered);
|
||
|
|
eventBus.on('updateviewarea', webViewerUpdateViewarea);
|
||
|
|
eventBus.on('pagechanging', webViewerPageChanging);
|
||
|
|
eventBus.on('scalechanging', webViewerScaleChanging);
|
||
|
|
eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
|
||
|
|
eventBus.on('pagemode', webViewerPageMode);
|
||
|
|
eventBus.on('namedaction', webViewerNamedAction);
|
||
|
|
eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
|
||
|
|
eventBus.on('presentationmode', webViewerPresentationMode);
|
||
|
|
eventBus.on('openfile', webViewerOpenFile);
|
||
|
|
eventBus.on('print', webViewerPrint);
|
||
|
|
eventBus.on('download', webViewerDownload);
|
||
|
|
eventBus.on('firstpage', webViewerFirstPage);
|
||
|
|
eventBus.on('lastpage', webViewerLastPage);
|
||
|
|
eventBus.on('nextpage', webViewerNextPage);
|
||
|
|
eventBus.on('previouspage', webViewerPreviousPage);
|
||
|
|
eventBus.on('zoomin', webViewerZoomIn);
|
||
|
|
eventBus.on('zoomout', webViewerZoomOut);
|
||
|
|
eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
|
||
|
|
eventBus.on('scalechanged', webViewerScaleChanged);
|
||
|
|
eventBus.on('rotatecw', webViewerRotateCw);
|
||
|
|
eventBus.on('rotateccw', webViewerRotateCcw);
|
||
|
|
eventBus.on('documentproperties', webViewerDocumentProperties);
|
||
|
|
eventBus.on('find', webViewerFind);
|
||
|
|
eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
|
||
|
|
eventBus.on('fileinputchange', webViewerFileInputChange);
|
||
|
|
},
|
||
|
|
bindWindowEvents: function pdfViewBindWindowEvents() {
|
||
|
|
var eventBus = this.eventBus;
|
||
|
|
window.addEventListener('wheel', webViewerWheel);
|
||
|
|
window.addEventListener('click', webViewerClick);
|
||
|
|
window.addEventListener('keydown', webViewerKeyDown);
|
||
|
|
window.addEventListener('resize', function windowResize() {
|
||
|
|
eventBus.dispatch('resize');
|
||
|
|
});
|
||
|
|
window.addEventListener('hashchange', function windowHashChange() {
|
||
|
|
eventBus.dispatch('hashchange', { hash: document.location.hash.substring(1) });
|
||
|
|
});
|
||
|
|
window.addEventListener('beforeprint', function windowBeforePrint() {
|
||
|
|
eventBus.dispatch('beforeprint');
|
||
|
|
});
|
||
|
|
window.addEventListener('afterprint', function windowAfterPrint() {
|
||
|
|
eventBus.dispatch('afterprint');
|
||
|
|
});
|
||
|
|
window.addEventListener('change', function windowChange(evt) {
|
||
|
|
var files = evt.target.files;
|
||
|
|
if (!files || files.length === 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
eventBus.dispatch('fileinputchange', { fileInput: evt.target });
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var validateFileURL;
|
||
|
|
var HOSTED_VIEWER_ORIGINS = [
|
||
|
|
'null',
|
||
|
|
'http://mozilla.github.io',
|
||
|
|
'https://mozilla.github.io'
|
||
|
|
];
|
||
|
|
validateFileURL = function validateFileURL(file) {
|
||
|
|
try {
|
||
|
|
var viewerOrigin = new URL(window.location.href).origin || 'null';
|
||
|
|
if (HOSTED_VIEWER_ORIGINS.indexOf(viewerOrigin) >= 0) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var fileOrigin = new URL(file, window.location.href).origin;
|
||
|
|
if (fileOrigin !== viewerOrigin) {
|
||
|
|
throw new Error('file origin does not match viewer\'s');
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
var message = e && e.message;
|
||
|
|
var loadingErrorMessage = mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.');
|
||
|
|
var moreInfo = { message: message };
|
||
|
|
PDFViewerApplication.error(loadingErrorMessage, moreInfo);
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function loadAndEnablePDFBug(enabledTabs) {
|
||
|
|
return new Promise(function (resolve, reject) {
|
||
|
|
var appConfig = PDFViewerApplication.appConfig;
|
||
|
|
var script = document.createElement('script');
|
||
|
|
script.src = appConfig.debuggerScriptPath;
|
||
|
|
script.onload = function () {
|
||
|
|
PDFBug.enable(enabledTabs);
|
||
|
|
PDFBug.init(pdfjsLib, appConfig.mainContainer);
|
||
|
|
resolve();
|
||
|
|
};
|
||
|
|
script.onerror = function () {
|
||
|
|
reject(new Error('Cannot load debugger at ' + script.src));
|
||
|
|
};
|
||
|
|
(document.getElementsByTagName('head')[0] || document.body).appendChild(script);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function webViewerInitialized() {
|
||
|
|
var file;
|
||
|
|
var queryString = document.location.search.substring(1);
|
||
|
|
var params = parseQueryString(queryString);
|
||
|
|
file = 'file' in params ? params.file : DEFAULT_URL;
|
||
|
|
validateFileURL(file);
|
||
|
|
var waitForBeforeOpening = [];
|
||
|
|
var appConfig = PDFViewerApplication.appConfig;
|
||
|
|
var fileInput = document.createElement('input');
|
||
|
|
fileInput.id = appConfig.openFileInputName;
|
||
|
|
fileInput.className = 'fileInput';
|
||
|
|
fileInput.setAttribute('type', 'file');
|
||
|
|
fileInput.oncontextmenu = noContextMenuHandler;
|
||
|
|
document.body.appendChild(fileInput);
|
||
|
|
if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
|
||
|
|
appConfig.toolbar.openFile.setAttribute('hidden', 'true');
|
||
|
|
appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
|
||
|
|
} else {
|
||
|
|
fileInput.value = null;
|
||
|
|
}
|
||
|
|
var PDFJS = pdfjsLib.PDFJS;
|
||
|
|
if (PDFViewerApplication.viewerPrefs['pdfBugEnabled']) {
|
||
|
|
var hash = document.location.hash.substring(1);
|
||
|
|
var hashParams = parseQueryString(hash);
|
||
|
|
if ('disableworker' in hashParams) {
|
||
|
|
PDFJS.disableWorker = hashParams['disableworker'] === 'true';
|
||
|
|
}
|
||
|
|
if ('disablerange' in hashParams) {
|
||
|
|
PDFJS.disableRange = hashParams['disablerange'] === 'true';
|
||
|
|
}
|
||
|
|
if ('disablestream' in hashParams) {
|
||
|
|
PDFJS.disableStream = hashParams['disablestream'] === 'true';
|
||
|
|
}
|
||
|
|
if ('disableautofetch' in hashParams) {
|
||
|
|
PDFJS.disableAutoFetch = hashParams['disableautofetch'] === 'true';
|
||
|
|
}
|
||
|
|
if ('disablefontface' in hashParams) {
|
||
|
|
PDFJS.disableFontFace = hashParams['disablefontface'] === 'true';
|
||
|
|
}
|
||
|
|
if ('disablehistory' in hashParams) {
|
||
|
|
PDFJS.disableHistory = hashParams['disablehistory'] === 'true';
|
||
|
|
}
|
||
|
|
if ('webgl' in hashParams) {
|
||
|
|
PDFJS.disableWebGL = hashParams['webgl'] !== 'true';
|
||
|
|
}
|
||
|
|
if ('useonlycsszoom' in hashParams) {
|
||
|
|
PDFJS.useOnlyCssZoom = hashParams['useonlycsszoom'] === 'true';
|
||
|
|
}
|
||
|
|
if ('verbosity' in hashParams) {
|
||
|
|
PDFJS.verbosity = hashParams['verbosity'] | 0;
|
||
|
|
}
|
||
|
|
if ('ignorecurrentpositiononzoom' in hashParams) {
|
||
|
|
PDFJS.ignoreCurrentPositionOnZoom = hashParams['ignorecurrentpositiononzoom'] === 'true';
|
||
|
|
}
|
||
|
|
if ('locale' in hashParams) {
|
||
|
|
PDFJS.locale = hashParams['locale'];
|
||
|
|
}
|
||
|
|
if ('textlayer' in hashParams) {
|
||
|
|
switch (hashParams['textlayer']) {
|
||
|
|
case 'off':
|
||
|
|
PDFJS.disableTextLayer = true;
|
||
|
|
break;
|
||
|
|
case 'visible':
|
||
|
|
case 'shadow':
|
||
|
|
case 'hover':
|
||
|
|
var viewer = appConfig.viewerContainer;
|
||
|
|
viewer.classList.add('textLayer-' + hashParams['textlayer']);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ('pdfbug' in hashParams) {
|
||
|
|
PDFJS.pdfBug = true;
|
||
|
|
var pdfBug = hashParams['pdfbug'];
|
||
|
|
var enabled = pdfBug.split(',');
|
||
|
|
waitForBeforeOpening.push(loadAndEnablePDFBug(enabled));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
mozL10n.setLanguage(PDFJS.locale);
|
||
|
|
if (!PDFViewerApplication.supportsPrinting) {
|
||
|
|
appConfig.toolbar.print.classList.add('hidden');
|
||
|
|
appConfig.secondaryToolbar.printButton.classList.add('hidden');
|
||
|
|
}
|
||
|
|
if (!PDFViewerApplication.supportsFullscreen) {
|
||
|
|
appConfig.toolbar.presentationModeButton.classList.add('hidden');
|
||
|
|
appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden');
|
||
|
|
}
|
||
|
|
if (PDFViewerApplication.supportsIntegratedFind) {
|
||
|
|
appConfig.toolbar.viewFind.classList.add('hidden');
|
||
|
|
}
|
||
|
|
appConfig.sidebar.mainContainer.addEventListener('transitionend', function (e) {
|
||
|
|
if (e.target === this) {
|
||
|
|
PDFViewerApplication.eventBus.dispatch('resize');
|
||
|
|
}
|
||
|
|
}, true);
|
||
|
|
appConfig.sidebar.toggleButton.addEventListener('click', function () {
|
||
|
|
PDFViewerApplication.pdfSidebar.toggle();
|
||
|
|
});
|
||
|
|
Promise.all(waitForBeforeOpening).then(function () {
|
||
|
|
webViewerOpenFileViaURL(file);
|
||
|
|
}).catch(function (reason) {
|
||
|
|
PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while opening.'), reason);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
var webViewerOpenFileViaURL;
|
||
|
|
webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) {
|
||
|
|
if (file && file.lastIndexOf('file:', 0) === 0) {
|
||
|
|
PDFViewerApplication.setTitleUsingUrl(file);
|
||
|
|
var xhr = new XMLHttpRequest();
|
||
|
|
xhr.onload = function () {
|
||
|
|
PDFViewerApplication.open(new Uint8Array(xhr.response));
|
||
|
|
};
|
||
|
|
try {
|
||
|
|
xhr.open('GET', file);
|
||
|
|
xhr.responseType = 'arraybuffer';
|
||
|
|
xhr.send();
|
||
|
|
} catch (e) {
|
||
|
|
PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.'), e);
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (file) {
|
||
|
|
PDFViewerApplication.open(file);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function webViewerPageRendered(e) {
|
||
|
|
var pageNumber = e.pageNumber;
|
||
|
|
var pageIndex = pageNumber - 1;
|
||
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
|
||
|
|
if (pageNumber === PDFViewerApplication.page) {
|
||
|
|
PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
|
||
|
|
}
|
||
|
|
if (!pageView) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
|
||
|
|
var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
|
||
|
|
thumbnailView.setImage(pageView);
|
||
|
|
}
|
||
|
|
if (pdfjsLib.PDFJS.pdfBug && Stats.enabled && pageView.stats) {
|
||
|
|
Stats.add(pageNumber, pageView.stats);
|
||
|
|
}
|
||
|
|
if (pageView.error) {
|
||
|
|
PDFViewerApplication.error(mozL10n.get('rendering_error', null, 'An error occurred while rendering the page.'), pageView.error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function webViewerTextLayerRendered(e) {
|
||
|
|
}
|
||
|
|
function webViewerPageMode(e) {
|
||
|
|
var mode = e.mode, view;
|
||
|
|
switch (mode) {
|
||
|
|
case 'thumbs':
|
||
|
|
view = SidebarView.THUMBS;
|
||
|
|
break;
|
||
|
|
case 'bookmarks':
|
||
|
|
case 'outline':
|
||
|
|
view = SidebarView.OUTLINE;
|
||
|
|
break;
|
||
|
|
case 'attachments':
|
||
|
|
view = SidebarView.ATTACHMENTS;
|
||
|
|
break;
|
||
|
|
case 'none':
|
||
|
|
view = SidebarView.NONE;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
console.error('Invalid "pagemode" hash parameter: ' + mode);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
PDFViewerApplication.pdfSidebar.switchView(view, true);
|
||
|
|
}
|
||
|
|
function webViewerNamedAction(e) {
|
||
|
|
var action = e.action;
|
||
|
|
switch (action) {
|
||
|
|
case 'GoToPage':
|
||
|
|
PDFViewerApplication.appConfig.toolbar.pageNumber.select();
|
||
|
|
break;
|
||
|
|
case 'Find':
|
||
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
||
|
|
PDFViewerApplication.findBar.toggle();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function webViewerPresentationModeChanged(e) {
|
||
|
|
var active = e.active;
|
||
|
|
var switchInProgress = e.switchInProgress;
|
||
|
|
PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? PresentationModeState.CHANGING : active ? PresentationModeState.FULLSCREEN : PresentationModeState.NORMAL;
|
||
|
|
}
|
||
|
|
function webViewerSidebarViewChanged(e) {
|
||
|
|
PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
|
||
|
|
var store = PDFViewerApplication.store;
|
||
|
|
if (!store || !PDFViewerApplication.isInitialViewSet) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
store.initializedPromise.then(function () {
|
||
|
|
store.set('sidebarView', e.view).catch(function () {
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function webViewerUpdateViewarea(e) {
|
||
|
|
var location = e.location, store = PDFViewerApplication.store;
|
||
|
|
if (store) {
|
||
|
|
store.initializedPromise.then(function () {
|
||
|
|
store.setMultiple({
|
||
|
|
'exists': true,
|
||
|
|
'page': location.pageNumber,
|
||
|
|
'zoom': location.scale,
|
||
|
|
'scrollLeft': location.left,
|
||
|
|
'scrollTop': location.top
|
||
|
|
}).catch(function () {
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
|
||
|
|
PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
|
||
|
|
PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
|
||
|
|
PDFViewerApplication.pdfHistory.updateCurrentBookmark(location.pdfOpenParams, location.pageNumber);
|
||
|
|
var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
|
||
|
|
var loading = currentPage.renderingState !== RenderingStates.FINISHED;
|
||
|
|
PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
|
||
|
|
}
|
||
|
|
function webViewerResize() {
|
||
|
|
var currentScaleValue = PDFViewerApplication.pdfViewer.currentScaleValue;
|
||
|
|
if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
|
||
|
|
PDFViewerApplication.pdfViewer.currentScaleValue = currentScaleValue;
|
||
|
|
} else if (!currentScaleValue) {
|
||
|
|
PDFViewerApplication.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
|
||
|
|
}
|
||
|
|
PDFViewerApplication.pdfViewer.update();
|
||
|
|
}
|
||
|
|
function webViewerHashchange(e) {
|
||
|
|
if (PDFViewerApplication.pdfHistory.isHashChangeUnlocked) {
|
||
|
|
var hash = e.hash;
|
||
|
|
if (!hash) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!PDFViewerApplication.isInitialViewSet) {
|
||
|
|
PDFViewerApplication.initialBookmark = hash;
|
||
|
|
} else {
|
||
|
|
PDFViewerApplication.pdfLinkService.setHash(hash);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var webViewerFileInputChange;
|
||
|
|
webViewerFileInputChange = function webViewerFileInputChange(e) {
|
||
|
|
var file = e.fileInput.files[0];
|
||
|
|
if (!pdfjsLib.PDFJS.disableCreateObjectURL && typeof URL !== 'undefined' && URL.createObjectURL) {
|
||
|
|
PDFViewerApplication.open(URL.createObjectURL(file));
|
||
|
|
} else {
|
||
|
|
var fileReader = new FileReader();
|
||
|
|
fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
|
||
|
|
var buffer = evt.target.result;
|
||
|
|
var uint8Array = new Uint8Array(buffer);
|
||
|
|
PDFViewerApplication.open(uint8Array);
|
||
|
|
};
|
||
|
|
fileReader.readAsArrayBuffer(file);
|
||
|
|
}
|
||
|
|
PDFViewerApplication.setTitleUsingUrl(file.name);
|
||
|
|
var appConfig = PDFViewerApplication.appConfig;
|
||
|
|
appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true');
|
||
|
|
appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
|
||
|
|
appConfig.toolbar.download.setAttribute('hidden', 'true');
|
||
|
|
appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
|
||
|
|
};
|
||
|
|
function webViewerPresentationMode() {
|
||
|
|
PDFViewerApplication.requestPresentationMode();
|
||
|
|
}
|
||
|
|
function webViewerOpenFile() {
|
||
|
|
var openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
|
||
|
|
document.getElementById(openFileInputName).click();
|
||
|
|
}
|
||
|
|
function webViewerPrint() {
|
||
|
|
window.print();
|
||
|
|
}
|
||
|
|
function webViewerDownload() {
|
||
|
|
PDFViewerApplication.download();
|
||
|
|
}
|
||
|
|
function webViewerFirstPage() {
|
||
|
|
if (PDFViewerApplication.pdfDocument) {
|
||
|
|
PDFViewerApplication.page = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function webViewerLastPage() {
|
||
|
|
if (PDFViewerApplication.pdfDocument) {
|
||
|
|
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function webViewerNextPage() {
|
||
|
|
PDFViewerApplication.page++;
|
||
|
|
}
|
||
|
|
function webViewerPreviousPage() {
|
||
|
|
PDFViewerApplication.page--;
|
||
|
|
}
|
||
|
|
function webViewerZoomIn() {
|
||
|
|
PDFViewerApplication.zoomIn();
|
||
|
|
}
|
||
|
|
function webViewerZoomOut() {
|
||
|
|
PDFViewerApplication.zoomOut();
|
||
|
|
}
|
||
|
|
function webViewerPageNumberChanged(e) {
|
||
|
|
var pdfViewer = PDFViewerApplication.pdfViewer;
|
||
|
|
pdfViewer.currentPageLabel = e.value;
|
||
|
|
if (e.value !== pdfViewer.currentPageNumber.toString() && e.value !== pdfViewer.currentPageLabel) {
|
||
|
|
PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function webViewerScaleChanged(e) {
|
||
|
|
PDFViewerApplication.pdfViewer.currentScaleValue = e.value;
|
||
|
|
}
|
||
|
|
function webViewerRotateCw() {
|
||
|
|
PDFViewerApplication.rotatePages(90);
|
||
|
|
}
|
||
|
|
function webViewerRotateCcw() {
|
||
|
|
PDFViewerApplication.rotatePages(-90);
|
||
|
|
}
|
||
|
|
function webViewerDocumentProperties() {
|
||
|
|
PDFViewerApplication.pdfDocumentProperties.open();
|
||
|
|
}
|
||
|
|
function webViewerFind(e) {
|
||
|
|
PDFViewerApplication.findController.executeCommand('find' + e.type, {
|
||
|
|
query: e.query,
|
||
|
|
phraseSearch: e.phraseSearch,
|
||
|
|
caseSensitive: e.caseSensitive,
|
||
|
|
highlightAll: e.highlightAll,
|
||
|
|
findPrevious: e.findPrevious
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function webViewerFindFromUrlHash(e) {
|
||
|
|
PDFViewerApplication.findController.executeCommand('find', {
|
||
|
|
query: e.query,
|
||
|
|
phraseSearch: e.phraseSearch,
|
||
|
|
caseSensitive: false,
|
||
|
|
highlightAll: true,
|
||
|
|
findPrevious: false
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function webViewerScaleChanging(e) {
|
||
|
|
PDFViewerApplication.toolbar.setPageScale(e.presetValue, e.scale);
|
||
|
|
PDFViewerApplication.pdfViewer.update();
|
||
|
|
}
|
||
|
|
function webViewerPageChanging(e) {
|
||
|
|
var page = e.pageNumber;
|
||
|
|
PDFViewerApplication.toolbar.setPageNumber(page, e.pageLabel || null);
|
||
|
|
PDFViewerApplication.secondaryToolbar.setPageNumber(page);
|
||
|
|
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
|
||
|
|
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
|
||
|
|
}
|
||
|
|
if (pdfjsLib.PDFJS.pdfBug && Stats.enabled) {
|
||
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
|
||
|
|
if (pageView.stats) {
|
||
|
|
Stats.add(page, pageView.stats);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var zoomDisabled = false, zoomDisabledTimeout;
|
||
|
|
function webViewerWheel(evt) {
|
||
|
|
var pdfViewer = PDFViewerApplication.pdfViewer;
|
||
|
|
if (pdfViewer.isInPresentationMode) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (evt.ctrlKey || evt.metaKey) {
|
||
|
|
var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
|
||
|
|
if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
evt.preventDefault();
|
||
|
|
if (zoomDisabled) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var previousScale = pdfViewer.currentScale;
|
||
|
|
var delta = normalizeWheelEventDelta(evt);
|
||
|
|
var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
|
||
|
|
var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;
|
||
|
|
if (ticks < 0) {
|
||
|
|
PDFViewerApplication.zoomOut(-ticks);
|
||
|
|
} else {
|
||
|
|
PDFViewerApplication.zoomIn(ticks);
|
||
|
|
}
|
||
|
|
var currentScale = pdfViewer.currentScale;
|
||
|
|
if (previousScale !== currentScale) {
|
||
|
|
var scaleCorrectionFactor = currentScale / previousScale - 1;
|
||
|
|
var rect = pdfViewer.container.getBoundingClientRect();
|
||
|
|
var dx = evt.clientX - rect.left;
|
||
|
|
var dy = evt.clientY - rect.top;
|
||
|
|
pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
|
||
|
|
pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
zoomDisabled = true;
|
||
|
|
clearTimeout(zoomDisabledTimeout);
|
||
|
|
zoomDisabledTimeout = setTimeout(function () {
|
||
|
|
zoomDisabled = false;
|
||
|
|
}, 1000);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function webViewerClick(evt) {
|
||
|
|
if (!PDFViewerApplication.secondaryToolbar.isOpen) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var appConfig = PDFViewerApplication.appConfig;
|
||
|
|
if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
|
||
|
|
PDFViewerApplication.secondaryToolbar.close();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function webViewerKeyDown(evt) {
|
||
|
|
if (OverlayManager.active) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var handled = false, ensureViewerFocused = false;
|
||
|
|
var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
|
||
|
|
var pdfViewer = PDFViewerApplication.pdfViewer;
|
||
|
|
var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
|
||
|
|
if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
|
||
|
|
switch (evt.keyCode) {
|
||
|
|
case 70:
|
||
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
||
|
|
PDFViewerApplication.findBar.open();
|
||
|
|
handled = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 71:
|
||
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
||
|
|
var findState = PDFViewerApplication.findController.state;
|
||
|
|
if (findState) {
|
||
|
|
PDFViewerApplication.findController.executeCommand('findagain', {
|
||
|
|
query: findState.query,
|
||
|
|
phraseSearch: findState.phraseSearch,
|
||
|
|
caseSensitive: findState.caseSensitive,
|
||
|
|
highlightAll: findState.highlightAll,
|
||
|
|
findPrevious: cmd === 5 || cmd === 12
|
||
|
|
});
|
||
|
|
}
|
||
|
|
handled = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 61:
|
||
|
|
case 107:
|
||
|
|
case 187:
|
||
|
|
case 171:
|
||
|
|
if (!isViewerInPresentationMode) {
|
||
|
|
PDFViewerApplication.zoomIn();
|
||
|
|
}
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
case 173:
|
||
|
|
case 109:
|
||
|
|
case 189:
|
||
|
|
if (!isViewerInPresentationMode) {
|
||
|
|
PDFViewerApplication.zoomOut();
|
||
|
|
}
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
case 48:
|
||
|
|
case 96:
|
||
|
|
if (!isViewerInPresentationMode) {
|
||
|
|
setTimeout(function () {
|
||
|
|
pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
|
||
|
|
});
|
||
|
|
handled = false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 38:
|
||
|
|
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
|
||
|
|
PDFViewerApplication.page = 1;
|
||
|
|
handled = true;
|
||
|
|
ensureViewerFocused = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 40:
|
||
|
|
if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
|
||
|
|
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
|
||
|
|
handled = true;
|
||
|
|
ensureViewerFocused = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (cmd === 1 || cmd === 8) {
|
||
|
|
switch (evt.keyCode) {
|
||
|
|
case 83:
|
||
|
|
PDFViewerApplication.download();
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (cmd === 3 || cmd === 10) {
|
||
|
|
switch (evt.keyCode) {
|
||
|
|
case 80:
|
||
|
|
PDFViewerApplication.requestPresentationMode();
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
case 71:
|
||
|
|
PDFViewerApplication.appConfig.toolbar.pageNumber.select();
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (handled) {
|
||
|
|
if (ensureViewerFocused && !isViewerInPresentationMode) {
|
||
|
|
pdfViewer.focus();
|
||
|
|
}
|
||
|
|
evt.preventDefault();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var curElement = document.activeElement || document.querySelector(':focus');
|
||
|
|
var curElementTagName = curElement && curElement.tagName.toUpperCase();
|
||
|
|
if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
|
||
|
|
if (evt.keyCode !== 27) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (cmd === 0) {
|
||
|
|
switch (evt.keyCode) {
|
||
|
|
case 38:
|
||
|
|
case 33:
|
||
|
|
case 8:
|
||
|
|
if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 37:
|
||
|
|
if (pdfViewer.isHorizontalScrollbarEnabled) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 75:
|
||
|
|
case 80:
|
||
|
|
if (PDFViewerApplication.page > 1) {
|
||
|
|
PDFViewerApplication.page--;
|
||
|
|
}
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
case 27:
|
||
|
|
if (PDFViewerApplication.secondaryToolbar.isOpen) {
|
||
|
|
PDFViewerApplication.secondaryToolbar.close();
|
||
|
|
handled = true;
|
||
|
|
}
|
||
|
|
if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
|
||
|
|
PDFViewerApplication.findBar.close();
|
||
|
|
handled = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 40:
|
||
|
|
case 34:
|
||
|
|
case 32:
|
||
|
|
if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 39:
|
||
|
|
if (pdfViewer.isHorizontalScrollbarEnabled) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case 74:
|
||
|
|
case 78:
|
||
|
|
if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
|
||
|
|
PDFViewerApplication.page++;
|
||
|
|
}
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
case 36:
|
||
|
|
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
|
||
|
|
PDFViewerApplication.page = 1;
|
||
|
|
handled = true;
|
||
|
|
ensureViewerFocused = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 35:
|
||
|
|
if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
|
||
|
|
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
|
||
|
|
handled = true;
|
||
|
|
ensureViewerFocused = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 72:
|
||
|
|
if (!isViewerInPresentationMode) {
|
||
|
|
PDFViewerApplication.handTool.toggle();
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 82:
|
||
|
|
PDFViewerApplication.rotatePages(90);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (cmd === 4) {
|
||
|
|
switch (evt.keyCode) {
|
||
|
|
case 32:
|
||
|
|
if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (PDFViewerApplication.page > 1) {
|
||
|
|
PDFViewerApplication.page--;
|
||
|
|
}
|
||
|
|
handled = true;
|
||
|
|
break;
|
||
|
|
case 82:
|
||
|
|
PDFViewerApplication.rotatePages(-90);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!handled && !isViewerInPresentationMode) {
|
||
|
|
if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
|
||
|
|
ensureViewerFocused = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (cmd === 2) {
|
||
|
|
switch (evt.keyCode) {
|
||
|
|
case 37:
|
||
|
|
if (isViewerInPresentationMode) {
|
||
|
|
PDFViewerApplication.pdfHistory.back();
|
||
|
|
handled = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case 39:
|
||
|
|
if (isViewerInPresentationMode) {
|
||
|
|
PDFViewerApplication.pdfHistory.forward();
|
||
|
|
handled = true;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
|
||
|
|
pdfViewer.focus();
|
||
|
|
}
|
||
|
|
if (handled) {
|
||
|
|
evt.preventDefault();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
localized.then(function webViewerLocalized() {
|
||
|
|
document.getElementsByTagName('html')[0].dir = mozL10n.getDirection();
|
||
|
|
});
|
||
|
|
var PDFPrintServiceFactory = {
|
||
|
|
instance: {
|
||
|
|
supportsPrinting: false,
|
||
|
|
createPrintService: function () {
|
||
|
|
throw new Error('Not implemented: createPrintService');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
exports.PDFViewerApplication = PDFViewerApplication;
|
||
|
|
exports.DefaultExernalServices = DefaultExernalServices;
|
||
|
|
exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
|
||
|
|
}));
|
||
|
|
(function (root, factory) {
|
||
|
|
factory(root.pdfjsWebPDFPrintService = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebApp, root.pdfjsWebPDFJS);
|
||
|
|
}(this, function (exports, uiUtils, overlayManager, app, pdfjsLib) {
|
||
|
|
var mozL10n = uiUtils.mozL10n;
|
||
|
|
var CSS_UNITS = uiUtils.CSS_UNITS;
|
||
|
|
var PDFPrintServiceFactory = app.PDFPrintServiceFactory;
|
||
|
|
var OverlayManager = overlayManager.OverlayManager;
|
||
|
|
var activeService = null;
|
||
|
|
function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size) {
|
||
|
|
var scratchCanvas = activeService.scratchCanvas;
|
||
|
|
var PRINT_RESOLUTION = 150;
|
||
|
|
var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
|
||
|
|
scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
|
||
|
|
scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
|
||
|
|
var width = Math.floor(size.width * CSS_UNITS) + 'px';
|
||
|
|
var height = Math.floor(size.height * CSS_UNITS) + 'px';
|
||
|
|
var ctx = scratchCanvas.getContext('2d');
|
||
|
|
ctx.save();
|
||
|
|
ctx.fillStyle = 'rgb(255, 255, 255)';
|
||
|
|
ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
|
||
|
|
ctx.restore();
|
||
|
|
return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
|
||
|
|
var renderContext = {
|
||
|
|
canvasContext: ctx,
|
||
|
|
transform: [
|
||
|
|
PRINT_UNITS,
|
||
|
|
0,
|
||
|
|
0,
|
||
|
|
PRINT_UNITS,
|
||
|
|
0,
|
||
|
|
0
|
||
|
|
],
|
||
|
|
viewport: pdfPage.getViewport(1),
|
||
|
|
intent: 'print'
|
||
|
|
};
|
||
|
|
return pdfPage.render(renderContext).promise;
|
||
|
|
}).then(function () {
|
||
|
|
return {
|
||
|
|
width: width,
|
||
|
|
height: height
|
||
|
|
};
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function PDFPrintService(pdfDocument, pagesOverview, printContainer) {
|
||
|
|
this.pdfDocument = pdfDocument;
|
||
|
|
this.pagesOverview = pagesOverview;
|
||
|
|
this.printContainer = printContainer;
|
||
|
|
this.currentPage = -1;
|
||
|
|
this.scratchCanvas = document.createElement('canvas');
|
||
|
|
}
|
||
|
|
PDFPrintService.prototype = {
|
||
|
|
layout: function () {
|
||
|
|
this.throwIfInactive();
|
||
|
|
var pdfDocument = this.pdfDocument;
|
||
|
|
var body = document.querySelector('body');
|
||
|
|
body.setAttribute('data-pdfjsprinting', true);
|
||
|
|
var hasEqualPageSizes = this.pagesOverview.every(function (size) {
|
||
|
|
return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
|
||
|
|
}, this);
|
||
|
|
if (!hasEqualPageSizes) {
|
||
|
|
console.warn('Not all pages have the same size. The printed ' + 'result may be incorrect!');
|
||
|
|
}
|
||
|
|
this.pageStyleSheet = document.createElement('style');
|
||
|
|
var pageSize = this.pagesOverview[0];
|
||
|
|
this.pageStyleSheet.textContent = '@supports ((size:A4) and (size:1pt 1pt)) {' + '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' + '}';
|
||
|
|
body.appendChild(this.pageStyleSheet);
|
||
|
|
},
|
||
|
|
destroy: function () {
|
||
|
|
if (activeService !== this) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
this.printContainer.textContent = '';
|
||
|
|
if (this.pageStyleSheet && this.pageStyleSheet.parentNode) {
|
||
|
|
this.pageStyleSheet.parentNode.removeChild(this.pageStyleSheet);
|
||
|
|
this.pageStyleSheet = null;
|
||
|
|
}
|
||
|
|
this.scratchCanvas.width = this.scratchCanvas.height = 0;
|
||
|
|
this.scratchCanvas = null;
|
||
|
|
activeService = null;
|
||
|
|
ensureOverlay().then(function () {
|
||
|
|
if (OverlayManager.active !== 'printServiceOverlay') {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
OverlayManager.close('printServiceOverlay');
|
||
|
|
});
|
||
|
|
},
|
||
|
|
renderPages: function () {
|
||
|
|
var pageCount = this.pagesOverview.length;
|
||
|
|
var renderNextPage = function (resolve, reject) {
|
||
|
|
this.throwIfInactive();
|
||
|
|
if (++this.currentPage >= pageCount) {
|
||
|
|
renderProgress(pageCount, pageCount);
|
||
|
|
resolve();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var index = this.currentPage;
|
||
|
|
renderProgress(index, pageCount);
|
||
|
|
renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index]).then(this.useRenderedPage.bind(this)).then(function () {
|
||
|
|
renderNextPage(resolve, reject);
|
||
|
|
}, reject);
|
||
|
|
}.bind(this);
|
||
|
|
return new Promise(renderNextPage);
|
||
|
|
},
|
||
|
|
useRenderedPage: function (printItem) {
|
||
|
|
this.throwIfInactive();
|
||
|
|
var img = document.createElement('img');
|
||
|
|
img.style.width = printItem.width;
|
||
|
|
img.style.height = printItem.height;
|
||
|
|
var scratchCanvas = this.scratchCanvas;
|
||
|
|
if ('toBlob' in scratchCanvas && !pdfjsLib.PDFJS.disableCreateObjectURL) {
|
||
|
|
scratchCanvas.toBlob(function (blob) {
|
||
|
|
img.src = URL.createObjectURL(blob);
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
img.src = scratchCanvas.toDataURL();
|
||
|
|
}
|
||
|
|
var wrapper = document.createElement('div');
|
||
|
|
wrapper.appendChild(img);
|
||
|
|
this.printContainer.appendChild(wrapper);
|
||
|
|
return new Promise(function (resolve, reject) {
|
||
|
|
img.onload = resolve;
|
||
|
|
img.onerror = reject;
|
||
|
|
});
|
||
|
|
},
|
||
|
|
performPrint: function () {
|
||
|
|
this.throwIfInactive();
|
||
|
|
return new Promise(function (resolve) {
|
||
|
|
setTimeout(function () {
|
||
|
|
if (!this.active) {
|
||
|
|
resolve();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
print.call(window);
|
||
|
|
setTimeout(resolve, 20);
|
||
|
|
}.bind(this), 0);
|
||
|
|
}.bind(this));
|
||
|
|
},
|
||
|
|
get active() {
|
||
|
|
return this === activeService;
|
||
|
|
},
|
||
|
|
throwIfInactive: function () {
|
||
|
|
if (!this.active) {
|
||
|
|
throw new Error('This print request was cancelled or completed.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
var print = window.print;
|
||
|
|
window.print = function print() {
|
||
|
|
if (activeService) {
|
||
|
|
console.warn('Ignored window.print() because of a pending print job.');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
ensureOverlay().then(function () {
|
||
|
|
if (activeService) {
|
||
|
|
OverlayManager.open('printServiceOverlay');
|
||
|
|
}
|
||
|
|
});
|
||
|
|
try {
|
||
|
|
dispatchEvent('beforeprint');
|
||
|
|
} finally {
|
||
|
|
if (!activeService) {
|
||
|
|
console.error('Expected print service to be initialized.');
|
||
|
|
if (OverlayManager.active === 'printServiceOverlay') {
|
||
|
|
OverlayManager.close('printServiceOverlay');
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var activeServiceOnEntry = activeService;
|
||
|
|
activeService.renderPages().then(function () {
|
||
|
|
return activeServiceOnEntry.performPrint();
|
||
|
|
}).catch(function () {
|
||
|
|
}).then(function () {
|
||
|
|
if (activeServiceOnEntry.active) {
|
||
|
|
abort();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function dispatchEvent(eventType) {
|
||
|
|
var event = document.createEvent('CustomEvent');
|
||
|
|
event.initCustomEvent(eventType, false, false, 'custom');
|
||
|
|
window.dispatchEvent(event);
|
||
|
|
}
|
||
|
|
function abort() {
|
||
|
|
if (activeService) {
|
||
|
|
activeService.destroy();
|
||
|
|
dispatchEvent('afterprint');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function renderProgress(index, total) {
|
||
|
|
var progressContainer = document.getElementById('printServiceOverlay');
|
||
|
|
var progress = Math.round(100 * index / total);
|
||
|
|
var progressBar = progressContainer.querySelector('progress');
|
||
|
|
var progressPerc = progressContainer.querySelector('.relative-progress');
|
||
|
|
progressBar.value = progress;
|
||
|
|
progressPerc.textContent = mozL10n.get('print_progress_percent', { progress: progress }, progress + '%');
|
||
|
|
}
|
||
|
|
var hasAttachEvent = !!document.attachEvent;
|
||
|
|
window.addEventListener('keydown', function (event) {
|
||
|
|
if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
|
||
|
|
window.print();
|
||
|
|
if (hasAttachEvent) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
event.preventDefault();
|
||
|
|
if (event.stopImmediatePropagation) {
|
||
|
|
event.stopImmediatePropagation();
|
||
|
|
} else {
|
||
|
|
event.stopPropagation();
|
||
|
|
}
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}, true);
|
||
|
|
if (hasAttachEvent) {
|
||
|
|
document.attachEvent('onkeydown', function (event) {
|
||
|
|
event = event || window.event;
|
||
|
|
if (event.keyCode === 80 && event.ctrlKey) {
|
||
|
|
event.keyCode = 0;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if ('onbeforeprint' in window) {
|
||
|
|
var stopPropagationIfNeeded = function (event) {
|
||
|
|
if (event.detail !== 'custom' && event.stopImmediatePropagation) {
|
||
|
|
event.stopImmediatePropagation();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
window.addEventListener('beforeprint', stopPropagationIfNeeded);
|
||
|
|
window.addEventListener('afterprint', stopPropagationIfNeeded);
|
||
|
|
}
|
||
|
|
var overlayPromise;
|
||
|
|
function ensureOverlay() {
|
||
|
|
if (!overlayPromise) {
|
||
|
|
overlayPromise = OverlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true);
|
||
|
|
document.getElementById('printCancel').onclick = abort;
|
||
|
|
}
|
||
|
|
return overlayPromise;
|
||
|
|
}
|
||
|
|
PDFPrintServiceFactory.instance = {
|
||
|
|
supportsPrinting: true,
|
||
|
|
createPrintService: function (pdfDocument, pagesOverview, printContainer) {
|
||
|
|
if (activeService) {
|
||
|
|
throw new Error('The print service is created and active.');
|
||
|
|
}
|
||
|
|
activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer);
|
||
|
|
return activeService;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
exports.PDFPrintService = PDFPrintService;
|
||
|
|
}));
|
||
|
|
}.call(pdfjsWebLibs));
|
||
|
|
}
|
||
|
|
;
|
||
|
|
function getViewerConfiguration() {
|
||
|
|
return {
|
||
|
|
appContainer: document.body,
|
||
|
|
mainContainer: document.getElementById('viewerContainer'),
|
||
|
|
viewerContainer: document.getElementById('viewer'),
|
||
|
|
eventBus: null,
|
||
|
|
toolbar: {
|
||
|
|
container: document.getElementById('toolbarViewer'),
|
||
|
|
numPages: document.getElementById('numPages'),
|
||
|
|
pageNumber: document.getElementById('pageNumber'),
|
||
|
|
scaleSelectContainer: document.getElementById('scaleSelectContainer'),
|
||
|
|
scaleSelect: document.getElementById('scaleSelect'),
|
||
|
|
customScaleOption: document.getElementById('customScaleOption'),
|
||
|
|
previous: document.getElementById('previous'),
|
||
|
|
next: document.getElementById('next'),
|
||
|
|
zoomIn: document.getElementById('zoomIn'),
|
||
|
|
zoomOut: document.getElementById('zoomOut'),
|
||
|
|
viewFind: document.getElementById('viewFind'),
|
||
|
|
openFile: document.getElementById('openFile'),
|
||
|
|
print: document.getElementById('print'),
|
||
|
|
presentationModeButton: document.getElementById('presentationMode'),
|
||
|
|
download: document.getElementById('download'),
|
||
|
|
viewBookmark: document.getElementById('viewBookmark')
|
||
|
|
},
|
||
|
|
secondaryToolbar: {
|
||
|
|
toolbar: document.getElementById('secondaryToolbar'),
|
||
|
|
toggleButton: document.getElementById('secondaryToolbarToggle'),
|
||
|
|
toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
|
||
|
|
presentationModeButton: document.getElementById('secondaryPresentationMode'),
|
||
|
|
openFileButton: document.getElementById('secondaryOpenFile'),
|
||
|
|
printButton: document.getElementById('secondaryPrint'),
|
||
|
|
downloadButton: document.getElementById('secondaryDownload'),
|
||
|
|
viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
|
||
|
|
firstPageButton: document.getElementById('firstPage'),
|
||
|
|
lastPageButton: document.getElementById('lastPage'),
|
||
|
|
pageRotateCwButton: document.getElementById('pageRotateCw'),
|
||
|
|
pageRotateCcwButton: document.getElementById('pageRotateCcw'),
|
||
|
|
toggleHandToolButton: document.getElementById('toggleHandTool'),
|
||
|
|
documentPropertiesButton: document.getElementById('documentProperties')
|
||
|
|
},
|
||
|
|
fullscreen: {
|
||
|
|
contextFirstPage: document.getElementById('contextFirstPage'),
|
||
|
|
contextLastPage: document.getElementById('contextLastPage'),
|
||
|
|
contextPageRotateCw: document.getElementById('contextPageRotateCw'),
|
||
|
|
contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
|
||
|
|
},
|
||
|
|
sidebar: {
|
||
|
|
mainContainer: document.getElementById('mainContainer'),
|
||
|
|
outerContainer: document.getElementById('outerContainer'),
|
||
|
|
toggleButton: document.getElementById('sidebarToggle'),
|
||
|
|
thumbnailButton: document.getElementById('viewThumbnail'),
|
||
|
|
outlineButton: document.getElementById('viewOutline'),
|
||
|
|
attachmentsButton: document.getElementById('viewAttachments'),
|
||
|
|
thumbnailView: document.getElementById('thumbnailView'),
|
||
|
|
outlineView: document.getElementById('outlineView'),
|
||
|
|
attachmentsView: document.getElementById('attachmentsView')
|
||
|
|
},
|
||
|
|
findBar: {
|
||
|
|
bar: document.getElementById('findbar'),
|
||
|
|
toggleButton: document.getElementById('viewFind'),
|
||
|
|
findField: document.getElementById('findInput'),
|
||
|
|
highlightAllCheckbox: document.getElementById('findHighlightAll'),
|
||
|
|
caseSensitiveCheckbox: document.getElementById('findMatchCase'),
|
||
|
|
findMsg: document.getElementById('findMsg'),
|
||
|
|
findResultsCount: document.getElementById('findResultsCount'),
|
||
|
|
findStatusIcon: document.getElementById('findStatusIcon'),
|
||
|
|
findPreviousButton: document.getElementById('findPrevious'),
|
||
|
|
findNextButton: document.getElementById('findNext')
|
||
|
|
},
|
||
|
|
passwordOverlay: {
|
||
|
|
overlayName: 'passwordOverlay',
|
||
|
|
container: document.getElementById('passwordOverlay'),
|
||
|
|
label: document.getElementById('passwordText'),
|
||
|
|
input: document.getElementById('password'),
|
||
|
|
submitButton: document.getElementById('passwordSubmit'),
|
||
|
|
cancelButton: document.getElementById('passwordCancel')
|
||
|
|
},
|
||
|
|
documentProperties: {
|
||
|
|
overlayName: 'documentPropertiesOverlay',
|
||
|
|
container: document.getElementById('documentPropertiesOverlay'),
|
||
|
|
closeButton: document.getElementById('documentPropertiesClose'),
|
||
|
|
fields: {
|
||
|
|
'fileName': document.getElementById('fileNameField'),
|
||
|
|
'fileSize': document.getElementById('fileSizeField'),
|
||
|
|
'title': document.getElementById('titleField'),
|
||
|
|
'author': document.getElementById('authorField'),
|
||
|
|
'subject': document.getElementById('subjectField'),
|
||
|
|
'keywords': document.getElementById('keywordsField'),
|
||
|
|
'creationDate': document.getElementById('creationDateField'),
|
||
|
|
'modificationDate': document.getElementById('modificationDateField'),
|
||
|
|
'creator': document.getElementById('creatorField'),
|
||
|
|
'producer': document.getElementById('producerField'),
|
||
|
|
'version': document.getElementById('versionField'),
|
||
|
|
'pageCount': document.getElementById('pageCountField')
|
||
|
|
}
|
||
|
|
},
|
||
|
|
errorWrapper: {
|
||
|
|
container: document.getElementById('errorWrapper'),
|
||
|
|
errorMessage: document.getElementById('errorMessage'),
|
||
|
|
closeButton: document.getElementById('errorClose'),
|
||
|
|
errorMoreInfo: document.getElementById('errorMoreInfo'),
|
||
|
|
moreInfoButton: document.getElementById('errorShowMore'),
|
||
|
|
lessInfoButton: document.getElementById('errorShowLess')
|
||
|
|
},
|
||
|
|
printContainer: document.getElementById('printContainer'),
|
||
|
|
openFileInputName: 'fileInput',
|
||
|
|
debuggerScriptPath: './debugger.js'
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function webViewerLoad() {
|
||
|
|
var config = getViewerConfiguration();
|
||
|
|
window.PDFViewerApplication = pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication;
|
||
|
|
pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication.run(config);
|
||
|
|
}
|
||
|
|
if (document.readyState === 'interactive' || document.readyState === 'complete') {
|
||
|
|
webViewerLoad();
|
||
|
|
} else {
|
||
|
|
document.addEventListener('DOMContentLoaded', webViewerLoad, true);
|
||
|
|
}
|