cacert-testmgr/external/ZendFramework-1.9.5/externals/dojo/dijit/_base/window.js

28 lines
1 KiB
JavaScript
Raw Normal View History

dojo.provide("dijit._base.window");
// TODO: remove this in 2.0, it's not used anymore, or at least not internally
dijit.getDocumentWindow = function(doc){
// summary:
// Get window object associated with document doc
// In some IE versions (at least 6.0), document.parentWindow does not return a
// reference to the real window object (maybe a copy), so we must fix it as well
// We use IE specific execScript to attach the real window reference to
// document._parentWindow for later use
if(dojo.isIE && window !== document.parentWindow && !doc._parentWindow){
/*
In IE 6, only the variable "window" can be used to connect events (others
may be only copies).
*/
doc.parentWindow.execScript("document._parentWindow = window;", "Javascript");
//to prevent memory leak, unset it after use
//another possibility is to add an onUnload handler which seems overkill to me (liucougar)
var win = doc._parentWindow;
doc._parentWindow = null;
return win; // Window
}
return doc._parentWindow || doc.parentWindow || doc.defaultView; // Window
}