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define("dijit/BackgroundIframe", [
"require", // require.toUrl
".", // to export dijit.BackgroundIframe
"dojo/_base/config",
"dojo/dom-construct", // domConstruct.create
"dojo/dom-style", // domStyle.set
"dojo/_base/lang", // lang.extend lang.hitch
"dojo/on",
"dojo/_base/sniff", // has("ie"), has("mozilla"), has("quirks")
"dojo/_base/window" // win.doc.createElement
], function(require, dijit, config, domConstruct, domStyle, lang, on, has, win){
// module:
// dijit/BackgroundIFrame
// summary:
// new dijit.BackgroundIframe(node)
// Makes a background iframe as a child of node, that fills
// area (and position) of node
// TODO: remove _frames, it isn't being used much, since popups never release their
// iframes (see [22236])
var _frames = new function(){
// summary:
// cache of iframes
var queue = [];
this.pop = function(){
var iframe;
if(queue.length){
iframe = queue.pop();
iframe.style.display="";
}else{
if(has("ie") < 9){
var burl = config["dojoBlankHtmlUrl"] || require.toUrl("dojo/resources/blank.html") || "javascript:\"\"";
var html="<iframe src='" + burl + "' role='presentation'"
+ " style='position: absolute; left: 0px; top: 0px;"
+ "z-index: -1; filter:Alpha(Opacity=\"0\");'>";
iframe = win.doc.createElement(html);
}else{
iframe = domConstruct.create("iframe");
iframe.src = 'javascript:""';
iframe.className = "dijitBackgroundIframe";
iframe.setAttribute("role", "presentation");
domStyle.set(iframe, "opacity", 0.1);
}
iframe.tabIndex = -1; // Magic to prevent iframe from getting focus on tab keypress - as style didn't work.
}
return iframe;
};
this.push = function(iframe){
iframe.style.display="none";
queue.push(iframe);
}
}();
dijit.BackgroundIframe = function(/*DomNode*/ node){
// summary:
// For IE/FF z-index schenanigans. id attribute is required.
//
// description:
// new dijit.BackgroundIframe(node)
// Makes a background iframe as a child of node, that fills
// area (and position) of node
if(!node.id){ throw new Error("no id"); }
if(has("ie") || has("mozilla")){
var iframe = (this.iframe = _frames.pop());
node.appendChild(iframe);
if(has("ie")<7 || has("quirks")){
this.resize(node);
this._conn = on(node, 'resize', lang.hitch(this, function(){
this.resize(node);
}));
}else{
domStyle.set(iframe, {
width: '100%',
height: '100%'
});
}
}
};
lang.extend(dijit.BackgroundIframe, {
resize: function(node){
// summary:
// Resize the iframe so it's the same size as node.
// Needed on IE6 and IE/quirks because height:100% doesn't work right.
if(this.iframe){
domStyle.set(this.iframe, {
width: node.offsetWidth + 'px',
height: node.offsetHeight + 'px'
});
}
},
destroy: function(){
// summary:
// destroy the iframe
if(this._conn){
this._conn.remove();
this._conn = null;
}
if(this.iframe){
_frames.push(this.iframe);
delete this.iframe;
}
}
});
return dijit.BackgroundIframe;
});
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