Restructured library.

lib/3rdparty/inobounce/inobounce.js

@@ -0,0 +1,131 @@
+/*! iNoBounce - v0.1.6
+* https://github.com/lazd/iNoBounce/
+* Copyright (c) 2013 Larry Davis <lazdnet@gmail.com>; Licensed BSD */
+(function(global) {
+	// Stores the Y position where the touch started
+	var startY = 0;
+
+	// Store enabled status
+	var enabled = false;
+
+	var supportsPassiveOption = false;
+	try {
+		var opts = Object.defineProperty({}, 'passive', {
+			get: function() {
+				supportsPassiveOption = true;
+			}
+		});
+		window.addEventListener('test', null, opts);
+	} catch (e) {}
+
+	var handleTouchmove = function(evt) {
+		// Get the element that was scrolled upon
+		var el = evt.target;
+
+		// Check all parent elements for scrollability
+		while (el !== document.body && el !== document) {
+			// Get some style properties
+			var style = window.getComputedStyle(el);
+
+			if (!style) {
+				// If we've encountered an element we can't compute the style for, get out
+				break;
+			}
+
+			// Ignore range input element
+			if (el.nodeName === 'INPUT' && el.getAttribute('type') === 'range') {
+				return;
+			}
+
+			var scrolling = style.getPropertyValue('-webkit-overflow-scrolling');
+			var overflowY = style.getPropertyValue('overflow-y');
+			var height = parseInt(style.getPropertyValue('height'), 10);
+
+			// Determine if the element should scroll
+			var isScrollable = scrolling === 'touch' && (overflowY === 'auto' || overflowY === 'scroll');
+			var canScroll = el.scrollHeight > el.offsetHeight;
+
+			if (isScrollable && canScroll) {
+				// Get the current Y position of the touch
+				var curY = evt.touches ? evt.touches[0].screenY : evt.screenY;
+
+				// Determine if the user is trying to scroll past the top or bottom
+				// In this case, the window will bounce, so we have to prevent scrolling completely
+				var isAtTop = (startY <= curY && el.scrollTop === 0);
+				var isAtBottom = (startY >= curY && el.scrollHeight - el.scrollTop === height);
+
+				// Stop a bounce bug when at the bottom or top of the scrollable element
+				if (isAtTop || isAtBottom) {
+					evt.preventDefault();
+				}
+
+				// No need to continue up the DOM, we've done our job
+				return;
+			}
+
+			// Test the next parent
+			el = el.parentNode;
+		}
+
+		// Stop the bouncing -- no parents are scrollable
+		evt.preventDefault();
+	};
+
+	var handleTouchstart = function(evt) {
+		// Store the first Y position of the touch
+		startY = evt.touches ? evt.touches[0].screenY : evt.screenY;
+	};
+
+	var enable = function() {
+		// Listen to a couple key touch events
+		window.addEventListener('touchstart', handleTouchstart, supportsPassiveOption ? { passive : false } : false);
+		window.addEventListener('touchmove', handleTouchmove, supportsPassiveOption ? { passive : false } : false);
+		enabled = true;
+	};
+
+	var disable = function() {
+		// Stop listening
+		window.removeEventListener('touchstart', handleTouchstart, false);
+		window.removeEventListener('touchmove', handleTouchmove, false);
+		enabled = false;
+	};
+
+	var isEnabled = function() {
+		return enabled;
+	};
+
+	// Enable by default if the browser supports -webkit-overflow-scrolling
+	// Test this by setting the property with JavaScript on an element that exists in the DOM
+	// Then, see if the property is reflected in the computed style
+	var testDiv = document.createElement('div');
+	document.documentElement.appendChild(testDiv);
+	testDiv.style.WebkitOverflowScrolling = 'touch';
+	var scrollSupport = 'getComputedStyle' in window && window.getComputedStyle(testDiv)['-webkit-overflow-scrolling'] === 'touch';
+	document.documentElement.removeChild(testDiv);
+
+	if (scrollSupport) {
+		enable();
+	}
+
+	// A module to support enabling/disabling iNoBounce
+	var iNoBounce = {
+		enable: enable,
+		disable: disable,
+		isEnabled: isEnabled
+	};
+
+	if (typeof module !== 'undefined' && module.exports) {
+		// Node.js Support
+		module.exports = iNoBounce;
+	}
+	if (typeof global.define === 'function') {
+		// AMD Support
+		(function(define) {
+			define('iNoBounce', [], function() { return iNoBounce; });
+		}(global.define));
+	}
+	else {
+		// Browser support
+		global.iNoBounce = iNoBounce;
+	}
+}(this));

lib/3rdparty/inobounce/inobounce.min.js

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+(function(global){var startY=0;var enabled=false;var supportsPassiveOption=false;try{var opts=Object.defineProperty({},"passive",{get:function(){supportsPassiveOption=true}});window.addEventListener("test",null,opts)}catch(e){}var handleTouchmove=function(evt){var el=evt.target;while(el!==document.body&&el!==document){var style=window.getComputedStyle(el);if(!style){break}if(el.nodeName==="INPUT"&&el.getAttribute("type")==="range"){return}var scrolling=style.getPropertyValue("-webkit-overflow-scrolling");var overflowY=style.getPropertyValue("overflow-y");var height=parseInt(style.getPropertyValue("height"),10);var isScrollable=scrolling==="touch"&&(overflowY==="auto"||overflowY==="scroll");var canScroll=el.scrollHeight>el.offsetHeight;if(isScrollable&&canScroll){var curY=evt.touches?evt.touches[0].screenY:evt.screenY;var isAtTop=startY<=curY&&el.scrollTop===0;var isAtBottom=startY>=curY&&el.scrollHeight-el.scrollTop===height;if(isAtTop||isAtBottom){evt.preventDefault()}return}el=el.parentNode}evt.preventDefault()};var handleTouchstart=function(evt){startY=evt.touches?evt.touches[0].screenY:evt.screenY};var enable=function(){window.addEventListener("touchstart",handleTouchstart,supportsPassiveOption?{passive:false}:false);window.addEventListener("touchmove",handleTouchmove,supportsPassiveOption?{passive:false}:false);enabled=true};var disable=function(){window.removeEventListener("touchstart",handleTouchstart,false);window.removeEventListener("touchmove",handleTouchmove,false);enabled=false};var isEnabled=function(){return enabled};var testDiv=document.createElement("div");document.documentElement.appendChild(testDiv);testDiv.style.WebkitOverflowScrolling="touch";var scrollSupport="getComputedStyle"in window&&window.getComputedStyle(testDiv)["-webkit-overflow-scrolling"]==="touch";document.documentElement.removeChild(testDiv);if(scrollSupport){enable()}var iNoBounce={enable:enable,disable:disable,isEnabled:isEnabled};if(typeof module!=="undefined"&&module.exports){module.exports=iNoBounce}if(typeof global.define==="function"){(function(define){define("iNoBounce",[],function(){return iNoBounce})})(global.define)}else{global.iNoBounce=iNoBounce}})(this);