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Merge pull request #365 from rebound-software/master
Fix DOM leaks
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,168 @@ | ||
| !function(a,b){"function"==typeof define&&define.amd?define([],function(){return a.returnExportsGlobal=b()}):"object"==typeof exports?module.exports=b():a.ResizeSensor=b()}(this,function(){var a=function(){"use strict";function a(){this.q=[],this.add=function(a){this.q.push(a)};var a,b;this.call=function(){for(a=0,b=this.q.length;b>a;a++)this.q[a].call()}}function b(a,b){return a.currentStyle?a.currentStyle[b]:window.getComputedStyle?window.getComputedStyle(a,null).getPropertyValue(b):a.style[b]}function c(c,e){if(c.resizedAttached){if(c.resizedAttached)return void c.resizedAttached.add(e)}else c.resizedAttached=new a,c.resizedAttached.add(e);c.resizeSensor=document.createElement("div"),c.resizeSensor.className="resize-sensor";var f="position: absolute; left: 0; top: 0; right: 0; bottom: 0; overflow: hidden; z-index: -1; visibility: hidden; opacity: 0;",g="position: absolute; left: 0; top: 0; transition: 0s;";c.resizeSensor.style.cssText=f,c.resizeSensor.innerHTML='<div class="resize-sensor-expand" style="'+f+'"><div style="'+g+'"></div></div><div class="resize-sensor-shrink" style="'+f+'"><div style="'+g+' width: 200%; height: 200%"></div></div>',c.appendChild(c.resizeSensor),"static"==b(c,"position")&&(c.style.position="relative");var h=c.resizeSensor.childNodes[0],i=h.childNodes[0],j=c.resizeSensor.childNodes[1],k=function(){i.style.width=1e5+"px",i.style.height=1e5+"px",h.scrollLeft=1e5,h.scrollTop=1e5,j.scrollLeft=1e5,j.scrollTop=1e5};k();var l=!1,m=function(){c.resizedAttached&&(l&&(c.resizedAttached.call(),l=!1),d(m))};d(m);var n,o,p,q,r=function(){((p=c.offsetWidth)!=n||(q=c.offsetHeight)!=o)&&(l=!0,n=p,o=q),k()},s=function(a,b,c){a.attachEvent?a.attachEvent("on"+b,c):a.addEventListener(b,c)};s(h,"scroll",r),s(j,"scroll",r)}var d=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||function(a){return window.setTimeout(a,20)},e=function(a,b){var d=this,e=Object.prototype.toString.call(a),f=d._isCollectionTyped="[object Array]"===e||"[object NodeList]"===e||"[object HTMLCollection]"===e||"undefined"!=typeof jQuery&&a instanceof window.jQuery||"undefined"!=typeof Elements&&a instanceof window.Elements;if(d._element=a,f)for(var g=0,h=a.length;h>g;g++)c(a[g],b);else c(a,b)};return e.prototype.detach=function(){var a=this,b=a._isCollectionTyped,c=a._element;if(b)for(var d=0,f=c.length;f>d;d++)e.detach(c[d]);else e.detach(c)},e.detach=function(a){a.resizeSensor&&(a.removeChild(a.resizeSensor),delete a.resizeSensor,delete a.resizedAttached)},e}();return a}); | ||
| (function (root, factory) { | ||
| if (typeof define === 'function' && define.amd) { | ||
| // AMD. Register as an anonymous module. | ||
| define([], function () { | ||
| return (root.returnExportsGlobal = factory()); | ||
| }); | ||
| } else if (typeof exports === 'object') { | ||
| // Node. Does not work with strict CommonJS, but | ||
| // only CommonJS-like enviroments that support module.exports, | ||
| // like Node. | ||
| module.exports = factory(); | ||
| } else { | ||
| root['ResizeSensor'] = factory(); | ||
| } | ||
| }(this, function () { | ||
|
|
||
| var ResizeSensor = function () { | ||
| 'use strict'; | ||
| var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || function (fn) { | ||
| return window.setTimeout(fn, 20); | ||
| }; | ||
| /** | ||
| * | ||
| * @constructor | ||
| */ | ||
| function EventQueue() { | ||
| this.q = []; | ||
| this.add = function (ev) { | ||
| this.q.push(ev); | ||
| }; | ||
| var i, j; | ||
| this.call = function () { | ||
| for (i = 0, j = this.q.length; i < j; i++) { | ||
| this.q[i].call(); | ||
| } | ||
| }; | ||
| } | ||
| /** | ||
| * @param {HTMLElement} element | ||
| * @param {String} prop | ||
| * @returns {String|Number} | ||
| */ | ||
| function getComputedStyle(element, prop) { | ||
| if (element.currentStyle) { | ||
| return element.currentStyle[prop]; | ||
| } else if (window.getComputedStyle) { | ||
| return window.getComputedStyle(element, null).getPropertyValue(prop); | ||
| } else { | ||
| return element.style[prop]; | ||
| } | ||
| } | ||
| /** | ||
| * | ||
| * @param {HTMLElement} element | ||
| * @param {Function} resized | ||
| */ | ||
| function attachResizeEvent(element, resized) { | ||
| if (!element.resizedAttached) { | ||
| element.resizedAttached = new EventQueue(); | ||
| element.resizedAttached.add(resized); | ||
| } else if (element.resizedAttached) { | ||
| element.resizedAttached.add(resized); | ||
| return; | ||
| } | ||
| element.resizeSensor = document.createElement('div'); | ||
| element.resizeSensor.className = 'resize-sensor'; | ||
| var style = 'position: absolute; left: 0; top: 0; right: 0; bottom: 0; overflow: hidden; z-index: -1; visibility: hidden; opacity: 0;direction: ltr;'; | ||
| var styleChild = 'position: absolute; left: 0; top: 0; transition: 0s;'; | ||
| element.resizeSensor.style.cssText = style; | ||
| element.resizeSensor.innerHTML = '<div class="resize-sensor-expand" style="' + style + '">' + '<div style="' + styleChild + '"></div>' + '</div>' + '<div class="resize-sensor-shrink" style="' + style + '">' + '<div style="' + styleChild + ' width: 200%; height: 200%"></div>' + '</div>'; | ||
| element.appendChild(element.resizeSensor); | ||
| if (getComputedStyle(element, 'position') == 'static') { | ||
| element.style.position = 'relative'; | ||
| } | ||
| var expand = element.resizeSensor.childNodes[0]; | ||
| var expandChild = expand.childNodes[0]; | ||
| var shrink = element.resizeSensor.childNodes[1]; | ||
| var reset = function () { | ||
| expandChild.style.width = 100000 + 'px'; | ||
| expandChild.style.height = 100000 + 'px'; | ||
| expand.scrollLeft = 100000; | ||
| expand.scrollTop = 100000; | ||
| shrink.scrollLeft = 100000; | ||
| shrink.scrollTop = 100000; | ||
| }; | ||
| reset(); | ||
| var dirty = false; | ||
| var dirtyChecking = function () { | ||
| if (!element.resizedAttached) | ||
| return; | ||
| if (dirty) { | ||
| element.resizedAttached.call(); | ||
| dirty = false; | ||
| } | ||
| requestAnimationFrame(dirtyChecking); | ||
| }; | ||
| requestAnimationFrame(dirtyChecking); | ||
| var lastWidth, lastHeight; | ||
| var cachedWidth, cachedHeight; | ||
| //useful to not query offsetWidth twice | ||
| var onScroll = function () { | ||
| if ((cachedWidth = element.offsetWidth) != lastWidth || (cachedHeight = element.offsetHeight) != lastHeight) { | ||
| dirty = true; | ||
| lastWidth = cachedWidth; | ||
| lastHeight = cachedHeight; | ||
| } | ||
| reset(); | ||
| }; | ||
| var addEvent = function (el, name, cb) { | ||
| if (el.attachEvent) { | ||
| el.attachEvent('on' + name, cb); | ||
| } else { | ||
| el.addEventListener(name, cb); | ||
| } | ||
| }; | ||
| addEvent(expand, 'scroll', onScroll); | ||
| addEvent(shrink, 'scroll', onScroll); | ||
| } | ||
| /** | ||
| * Class for dimension change detection. | ||
| * | ||
| * @param {Element|Element[]|Elements|jQuery} element | ||
| * @param {Function} callback | ||
| * | ||
| * @constructor | ||
| */ | ||
| var ResizeSensor = function (element, callback) { | ||
| var me = this; | ||
| var elementType = Object.prototype.toString.call(element); | ||
| var isCollectionTyped = me._isCollectionTyped = '[object Array]' === elementType || '[object NodeList]' === elementType || '[object HTMLCollection]' === elementType || 'undefined' !== typeof jQuery && element instanceof window.jQuery || 'undefined' !== typeof Elements && element instanceof window.Elements; | ||
| me._element = element; | ||
| if (isCollectionTyped) { | ||
| var i = 0, j = element.length; | ||
| for (; i < j; i++) { | ||
| attachResizeEvent(element[i], callback); | ||
| } | ||
| } else { | ||
| attachResizeEvent(element, callback); | ||
| } | ||
| }; | ||
| ResizeSensor.prototype.detach = function () { | ||
| var me = this; | ||
| var isCollectionTyped = me._isCollectionTyped; | ||
| var element = me._element; | ||
| if (isCollectionTyped) { | ||
| var i = 0, j = element.length; | ||
| for (; i < j; i++) { | ||
| ResizeSensor.detach(element[i]); | ||
| } | ||
| } else { | ||
| ResizeSensor.detach(element); | ||
| } | ||
| }; | ||
| ResizeSensor.detach = function (element) { | ||
| if (element.resizeSensor) { | ||
| if (element.hasChildNodes()) { | ||
| element.removeChild(element.resizeSensor); | ||
| } | ||
| delete element.resizeSensor; | ||
| delete element.resizedAttached; | ||
| } | ||
| }; | ||
| return ResizeSensor; | ||
| }(); | ||
|
|
||
| return ResizeSensor; | ||
|
|
||
| })); |
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