ttrss/lib/dojo/_base/window.js.uncompressed.js

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2013-03-18 06:26:24 +00:00
define("dojo/_base/window", ["./kernel", "./lang", "../sniff"], function(dojo, lang, has){
// module:
// dojo/_base/window
var ret = {
// summary:
// API to save/set/restore the global/document scope.
global: dojo.global,
/*=====
global: {
// summary:
// Alias for the current window. 'global' can be modified
// for temporary context shifting. See also withGlobal().
// description:
// Use this rather than referring to 'window' to ensure your code runs
// correctly in managed contexts.
},
=====*/
doc: this["document"] || null,
/*=====
doc: {
// summary:
// Alias for the current document. 'doc' can be modified
// for temporary context shifting. See also withDoc().
// description:
// Use this rather than referring to 'window.document' to ensure your code runs
// correctly in managed contexts.
// example:
// | n.appendChild(dojo.doc.createElement('div'));
},
=====*/
body: function(/*Document?*/ doc){
// summary:
// Return the body element of the specified document or of dojo/_base/window::doc.
// example:
// | win.body().appendChild(dojo.doc.createElement('div'));
// Note: document.body is not defined for a strict xhtml document
// Would like to memoize this, but dojo.doc can change vi dojo.withDoc().
doc = doc || dojo.doc;
return doc.body || doc.getElementsByTagName("body")[0]; // Node
},
setContext: function(/*Object*/ globalObject, /*DocumentElement*/ globalDocument){
// summary:
// changes the behavior of many core Dojo functions that deal with
// namespace and DOM lookup, changing them to work in a new global
// context (e.g., an iframe). The varibles dojo.global and dojo.doc
// are modified as a result of calling this function and the result of
// `dojo.body()` likewise differs.
dojo.global = ret.global = globalObject;
dojo.doc = ret.doc = globalDocument;
},
withGlobal: function( /*Object*/ globalObject,
/*Function*/ callback,
/*Object?*/ thisObject,
/*Array?*/ cbArguments){
// summary:
// Invoke callback with globalObject as dojo.global and
// globalObject.document as dojo.doc.
// description:
// Invoke callback with globalObject as dojo.global and
// globalObject.document as dojo.doc. If provided, globalObject
// will be executed in the context of object thisObject
// When callback() returns or throws an error, the dojo.global
// and dojo.doc will be restored to its previous state.
var oldGlob = dojo.global;
try{
dojo.global = ret.global = globalObject;
return ret.withDoc.call(null, globalObject.document, callback, thisObject, cbArguments);
}finally{
dojo.global = ret.global = oldGlob;
}
},
withDoc: function( /*DocumentElement*/ documentObject,
/*Function*/ callback,
/*Object?*/ thisObject,
/*Array?*/ cbArguments){
// summary:
// Invoke callback with documentObject as dojo/_base/window::doc.
// description:
// Invoke callback with documentObject as dojo/_base/window::doc. If provided,
// callback will be executed in the context of object thisObject
// When callback() returns or throws an error, the dojo/_base/window::doc will
// be restored to its previous state.
var oldDoc = ret.doc,
oldQ = has("quirks"),
oldIE = has("ie"), isIE, mode, pwin;
try{
dojo.doc = ret.doc = documentObject;
// update dojo.isQuirks and the value of the has feature "quirks".
// remove setting dojo.isQuirks and dojo.isIE for 2.0
dojo.isQuirks = has.add("quirks", dojo.doc.compatMode == "BackCompat", true, true); // no need to check for QuirksMode which was Opera 7 only
if(has("ie")){
if((pwin = documentObject.parentWindow) && pwin.navigator){
// re-run IE detection logic and update dojo.isIE / has("ie")
// (the only time parentWindow/navigator wouldn't exist is if we were not
// passed an actual legitimate document object)
isIE = parseFloat(pwin.navigator.appVersion.split("MSIE ")[1]) || undefined;
mode = documentObject.documentMode;
if(mode && mode != 5 && Math.floor(isIE) != mode){
isIE = mode;
}
dojo.isIE = has.add("ie", isIE, true, true);
}
}
if(thisObject && typeof callback == "string"){
callback = thisObject[callback];
}
return callback.apply(thisObject, cbArguments || []);
}finally{
dojo.doc = ret.doc = oldDoc;
dojo.isQuirks = has.add("quirks", oldQ, true, true);
dojo.isIE = has.add("ie", oldIE, true, true);
}
}
};
1 && lang.mixin(dojo, ret);
return ret;
});