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 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
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  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  * for the specific language governing rights and limitations under the
  * License.
  *
  * The Original Code is Firefox Browser Test Code.
  *
  * The Initial Developer of the Original Code is
  * Edward Lee <edward.lee@engineering.uiuc.edu>.
  * Portions created by the Initial Developer are Copyright (C) 2008
  * the Initial Developer. All Rights Reserved.
  *
  * Contributor(s):
  *   Myk Melez <myk@mozilla.org>
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 /*
  * Test the fix for bug 441778 to ensure site-specific page zoom doesn't get
  * modified by sub-document loads of content from a different domain.
  */
 
 let testPage = 'data:text/html,<body><iframe id="a" src=""></iframe></body>';
 
 function test() {
   waitForExplicitFinish();
 
   // The zoom level before the sub-document load.  We set this in continueTest
   // and then compare it to the current zoom level in finishTest to make sure
   // it hasn't changed.
   let zoomLevel;
 
   // Prepare the test tab
   gBrowser.selectedTab = gBrowser.addTab();
   let testBrowser = gBrowser.selectedBrowser;
 
   let finishTest = function() {
     testBrowser.removeProgressListener(progressListener);
     is(ZoomManager.zoom, zoomLevel, "zoom is retained after sub-document load");
     gBrowser.removeCurrentTab();
     finish();
   };
 
   let progressListener = {
     QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
                                            Ci.nsISupportsWeakReference]),
     onStateChange: function() {},
     onProgressChange: function() {},
     onLocationChange: function() {
       window.setTimeout(finishTest, 0);
     },
     onStatusChange: function() {},
     onSecurityChange: function() {}
   };
 
   let continueTest = function() {
     // Change the zoom level and then save it so we can compare it to the level
     // after loading the sub-document.
     FullZoom.enlarge();
     zoomLevel = ZoomManager.zoom;
 
     // Finish the test in a timeout after the sub-document location change
     // to give the zoom controller time to respond to it.
     testBrowser.addProgressListener(progressListener);
 
     // Start the sub-document load.
     content.document.getElementById("a").src = "http://test2.example.org/";
   };
 
   // Continue the test after the test page has loaded.
   // Note: in order for the sub-document load to trigger a location change
   // the way it does under real world usage scenarios, we have to continue
   // the test in a timeout for some unknown reason.
   let continueListener = function() {
     window.setTimeout(continueTest, 0);
     
     // Remove the load listener so it doesn't get called for the sub-document.
     testBrowser.removeEventListener("load", continueListener, true);
   };
   testBrowser.addEventListener("load", continueListener, true);
 
   // Start the test by loading the test page.
   testBrowser.contentWindow.location = testPage;
 }