Firefox 3.7以降で、画面の描画を止める時にウィンドウの位置が変わってしまう問題に対処
git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@6728 599a83e7-65a4-db11-8015-0010dcdd6dc2
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piro
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@ -12,7 +12,7 @@
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http://www.cozmixng.org/repos/piro/fx3-compatibility-lib/trunk/stopRendering.js
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*/
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(function() {
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const currentRevision = 5;
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const currentRevision = 6;
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if (!('piro.sakura.ne.jp' in window)) window['piro.sakura.ne.jp'] = {};
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@ -27,6 +27,7 @@
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'destroy' in window['piro.sakura.ne.jp'].stopRendering)
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window['piro.sakura.ne.jp'].stopRendering.destroy();
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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window['piro.sakura.ne.jp'].stopRendering = {
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@ -45,7 +46,12 @@
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stop : function()
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{
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if (this.useCanvas) {
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this.showCanvas();
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}
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else {
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this.baswWindow.setPosition(window.top.innerWidth * 3, window.top.innerHeight * 3);
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}
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this._stopLevel++;
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},
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@ -56,6 +62,11 @@
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return;
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this._stopLevel = 0;
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if (this.useCanvas) {
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this.hideCanvas();
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}
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else {
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this.baswWindow.setPosition(0, 0);
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this._popups.forEach(function(aPopup, aIndex) {
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@ -74,6 +85,7 @@
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aPopup.removeAttribute('height');
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}, 0);
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}, this);
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}
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},
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onResize : function(aEvent)
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@ -116,22 +128,188 @@
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init : function()
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{
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if (this.useCanvas) {
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this.initCanvas();
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}
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else {
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this._popups = [];
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window.addEventListener('resize', this, false);
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window.addEventListener('popupshown', this, false);
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window.addEventListener('popuphidden', this, false);
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}
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window.addEventListener('resize', this, false);
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window.addEventListener('unload', this, false);
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},
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destroy : function()
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{
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if (this.useCanvas) {
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this.destroyCanvas();
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}
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else {
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this._popups = [];
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window.removeEventListener('resize', this, false);
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window.removeEventListener('popupshown', this, false);
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window.removeEventListener('popuphidden', this, false);
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window.removeEventListener('unload', this, false);
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}
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window.removeEventListener('resize', this, false);
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window.removeEventListener('unload', this, false);
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},
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// full screen canvas
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useCanvas : (function() {
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const XULAppInfo = Cc['@mozilla.org/xre/app-info;1']
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.getService(Ci.nsIXULAppInfo);
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const comparator = Cc['@mozilla.org/xpcom/version-comparator;1']
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.getService(Ci.nsIVersionComparator);
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return comparator.compare(XULAppInfo.version, '3.6.9999') > 0;
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})(),
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DRAW_WINDOW_FLAGS : Ci.nsIDOMCanvasRenderingContext2D.DRAWWINDOW_DRAW_VIEW |
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Ci.nsIDOMCanvasRenderingContext2D.DRAWWINDOW_DRAW_CARET |
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Ci.nsIDOMCanvasRenderingContext2D.DRAWWINDOW_DO_NOT_FLUSH,
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DRAW_WINDOW_BGCOLOR : 'transparent',
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showCanvas : function()
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{
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if (this.shown) return;
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var canvas = this.canvas;
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if (!canvas) return;
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this.shown = true;
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var rootBox = document.documentElement.boxObject;
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var canvasW = window.innerWidth;
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var canvasH = window.innerHeight;
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var x = 0,
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y = 0,
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w = canvasW,
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h = canvasH;
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canvas.style.width = (canvas.width = canvasW)+'px';
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canvas.style.height = (canvas.height = canvasH)+'px';
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try {
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var ctx = canvas.getContext('2d');
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ctx.clearRect(0, 0, canvasW, canvasH);
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ctx.save();
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ctx.translate(x, y);
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ctx.drawWindow(window, x, y, w, h, this.DRAW_WINDOW_BGCOLOR, this.DRAW_WINDOW_FLAGS);
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ctx.restore();
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this.browsers.forEach(function(aBrowser) {
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try {
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var b = aBrowser;
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if (b.localName == 'subbrowser') b = b.browser;
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var frame = b.contentWindow;
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var box = (b.localName == 'tabbrowser' ? b.mCurrentBrowser : b ).boxObject;
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var x = box.x;
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var y = box.y;
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var bw = box.width;
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var bh = box.height;
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var w = frame.innerWidth;
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var h = frame.innerHeight;
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ctx.save();
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ctx.translate(x, y);
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ctx.scale(bw / w, bh / h);
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ctx.drawWindow(frame, 0, 0, w, h, this.DRAW_WINDOW_BGCOLOR, this.DRAW_WINDOW_FLAGS);
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ctx.restore();
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}
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catch(e) {
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}
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}, this);
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document.documentElement.setAttribute('fullScreenCanvas-state', 'shown');
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}
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catch(e) {
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this.hideCanvas();
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}
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},
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shown : false,
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hideCanvas : function()
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{
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if (!this.shown) return;
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document.documentElement.removeAttribute('fullScreenCanvas-state');
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this.shown = false;
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},
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onClick : function(aEvent)
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{
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this._stopLevel = 0;
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this.hideCanvas();
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},
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get browsers()
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{
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browsers = [].concat(Array.slice(document.getElementsByTagName('tabbrowser')))
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.concat(Array.slice(document.getElementsByTagName('browser')));
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if ('SplitBrowser' in window) browsers = browsers.concat(SplitBrowser.browsers);
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return browsers;
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},
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initCanvas : function()
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{
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var canvas = document.createElementNS('http://www.w3.org/1999/xhtml', 'canvas');
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canvas.setAttribute('id', 'fullScreenCanvas-canvas');
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canvas.setAttribute('width', '0');
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canvas.setAttribute('height', '0');
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canvas.setAttribute('style', 'width:0;height:0;');
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this.canvas = canvas;
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var style = document.createElementNS('http://www.w3.org/1999/xhtml', 'style');
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style.setAttribute('id', 'fullScreenCanvas-style');
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style.setAttribute('type', 'text/css');
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style.appendChild(document.createTextNode([
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':root[fullScreenCanvas-state="shown"] > *:not(#fullScreenCanvas-box) {',
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' visibility: hidden !important;',
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'}',
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'#fullScreenCanvas-style {',
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' display: none;',
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'}',
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'#fullScreenCanvas-box {',
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' position: fixed;',
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' z-index: 65000;',
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' top: 0;',
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' left: 0;',
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' visibility: collapse;',
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'}',
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':root[fullScreenCanvas-state="shown"] > #fullScreenCanvas-box {',
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' visibility: visible;',
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'}'
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].join('')));
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this.style = style;
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var stylePI = document.createProcessingInstruction(
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'xml-stylesheet',
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'type="text/css" href="#fullScreenCanvas-style"'
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);
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this.stylePI = stylePI;
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var box = document.createElement('box');
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box.setAttribute('id', 'fullScreenCanvas-box');
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box.setAttribute('onclick', 'window["piro.sakura.ne.jp"].stopRendering.onClick(event);');
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this.box = box;
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box.appendChild(canvas);
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box.appendChild(style);
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document.documentElement.appendChild(box);
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document.insertBefore(stylePI, document.documentElement);
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},
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destroyCanvas : function()
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{
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document.documentElement.removeChild(this.box);
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document.removeChild(this.stylePI);
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this.box = null;
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this.canvas = null;
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this.style = null;
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this.stylePI = null;
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}
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};
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window['piro.sakura.ne.jp'].stopRendering.init();
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