| 1 | define([ |
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| 2 | "require", // require.toUrl |
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| 3 | ".", // to export dijit.BackgroundIframe |
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| 4 | "dojo/_base/config", |
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| 5 | "dojo/dom-construct", // domConstruct.create |
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| 6 | "dojo/dom-style", // domStyle.set |
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| 7 | "dojo/_base/lang", // lang.extend lang.hitch |
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| 8 | "dojo/on", |
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| 9 | "dojo/_base/sniff", // has("ie"), has("mozilla"), has("quirks") |
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| 10 | "dojo/_base/window" // win.doc.createElement |
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| 11 | ], function(require, dijit, config, domConstruct, domStyle, lang, on, has, win){ |
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| 12 | |
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| 13 | // module: |
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| 14 | // dijit/BackgroundIFrame |
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| 15 | // summary: |
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| 16 | // new dijit.BackgroundIframe(node) |
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| 17 | // Makes a background iframe as a child of node, that fills |
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| 18 | // area (and position) of node |
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| 19 | |
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| 20 | // TODO: remove _frames, it isn't being used much, since popups never release their |
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| 21 | // iframes (see [22236]) |
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| 22 | var _frames = new function(){ |
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| 23 | // summary: |
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| 24 | // cache of iframes |
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| 25 | |
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| 26 | var queue = []; |
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| 27 | |
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| 28 | this.pop = function(){ |
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| 29 | var iframe; |
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| 30 | if(queue.length){ |
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| 31 | iframe = queue.pop(); |
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| 32 | iframe.style.display=""; |
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| 33 | }else{ |
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| 34 | if(has("ie") < 9){ |
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| 35 | var burl = config["dojoBlankHtmlUrl"] || require.toUrl("dojo/resources/blank.html") || "javascript:\"\""; |
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| 36 | var html="<iframe src='" + burl + "' role='presentation'" |
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| 37 | + " style='position: absolute; left: 0px; top: 0px;" |
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| 38 | + "z-index: -1; filter:Alpha(Opacity=\"0\");'>"; |
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| 39 | iframe = win.doc.createElement(html); |
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| 40 | }else{ |
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| 41 | iframe = domConstruct.create("iframe"); |
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| 42 | iframe.src = 'javascript:""'; |
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| 43 | iframe.className = "dijitBackgroundIframe"; |
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| 44 | iframe.setAttribute("role", "presentation"); |
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| 45 | domStyle.set(iframe, "opacity", 0.1); |
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| 46 | } |
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| 47 | iframe.tabIndex = -1; // Magic to prevent iframe from getting focus on tab keypress - as style didn't work. |
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| 48 | } |
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| 49 | return iframe; |
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| 50 | }; |
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| 51 | |
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| 52 | this.push = function(iframe){ |
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| 53 | iframe.style.display="none"; |
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| 54 | queue.push(iframe); |
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| 55 | } |
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| 56 | }(); |
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| 57 | |
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| 58 | |
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| 59 | dijit.BackgroundIframe = function(/*DomNode*/ node){ |
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| 60 | // summary: |
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| 61 | // For IE/FF z-index schenanigans. id attribute is required. |
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| 62 | // |
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| 63 | // description: |
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| 64 | // new dijit.BackgroundIframe(node) |
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| 65 | // Makes a background iframe as a child of node, that fills |
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| 66 | // area (and position) of node |
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| 67 | |
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| 68 | if(!node.id){ throw new Error("no id"); } |
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| 69 | if(has("ie") || has("mozilla")){ |
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| 70 | var iframe = (this.iframe = _frames.pop()); |
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| 71 | node.appendChild(iframe); |
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| 72 | if(has("ie")<7 || has("quirks")){ |
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| 73 | this.resize(node); |
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| 74 | this._conn = on(node, 'resize', lang.hitch(this, function(){ |
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| 75 | this.resize(node); |
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| 76 | })); |
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| 77 | }else{ |
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| 78 | domStyle.set(iframe, { |
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| 79 | width: '100%', |
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| 80 | height: '100%' |
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| 81 | }); |
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| 82 | } |
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| 83 | } |
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| 84 | }; |
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| 85 | |
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| 86 | lang.extend(dijit.BackgroundIframe, { |
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| 87 | resize: function(node){ |
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| 88 | // summary: |
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| 89 | // Resize the iframe so it's the same size as node. |
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| 90 | // Needed on IE6 and IE/quirks because height:100% doesn't work right. |
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| 91 | if(this.iframe){ |
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| 92 | domStyle.set(this.iframe, { |
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| 93 | width: node.offsetWidth + 'px', |
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| 94 | height: node.offsetHeight + 'px' |
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| 95 | }); |
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| 96 | } |
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| 97 | }, |
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| 98 | destroy: function(){ |
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| 99 | // summary: |
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| 100 | // destroy the iframe |
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| 101 | if(this._conn){ |
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| 102 | this._conn.remove(); |
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| 103 | this._conn = null; |
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| 104 | } |
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| 105 | if(this.iframe){ |
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| 106 | _frames.push(this.iframe); |
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| 107 | delete this.iframe; |
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| 108 | } |
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| 109 | } |
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| 110 | }); |
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| 111 | |
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| 112 | return dijit.BackgroundIframe; |
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| 113 | }); |
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