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lightning-sunbird  0.9+nobinonly
WindowCreator.cpp
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Adam Lock <adamlock@eircom.net>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "stdafx.h"
00040 
00041 #include "WindowCreator.h"
00042 
00043 NS_IMPL_ISUPPORTS1(CWindowCreator, nsIWindowCreator)
00044 
00045 CWindowCreator::CWindowCreator(void)
00046 {
00047 }
00048 
00049 CWindowCreator::~CWindowCreator()
00050 {
00051 }
00052 
00053 NS_IMETHODIMP
00054 CWindowCreator::CreateChromeWindow(nsIWebBrowserChrome *aParent, PRUint32 aChromeFlags, nsIWebBrowserChrome **_retval)
00055 {
00056     NS_ENSURE_ARG_POINTER(_retval);
00057     *_retval = nsnull;
00058 
00059     // NOTE:
00060     //
00061     // The nsIWindowCreator::CreateChromeWindow is REQUIRED to handle a nsnull
00062     // parent window but this implementation must have one in order to fire
00063     // events to the ActiveX container. Therefore we treat a nsnull aParent
00064     // as an error and return.
00065 
00066     if (aParent == nsnull)
00067     {
00068         return NS_ERROR_FAILURE;
00069     }
00070 
00071     CWebBrowserContainer *pContainer = NS_STATIC_CAST(CWebBrowserContainer *, aParent);
00072     
00073     CComQIPtr<IDispatch> dispNew;
00074     VARIANT_BOOL bCancel = VARIANT_FALSE;
00075 
00076     // Test if the event sink can give us a new window to navigate into
00077     if (pContainer->mEvents2)
00078     {
00079         pContainer->mEvents2->Fire_NewWindow2(&dispNew, &bCancel);
00080         if ((bCancel == VARIANT_FALSE) && dispNew)
00081         {
00082             CComQIPtr<IMozControlBridge> cpBridge = dispNew;
00083             if (cpBridge)
00084             {
00085                 nsIWebBrowser *browser = nsnull;
00086                 cpBridge->GetWebBrowser((void **) &browser);
00087                 if (browser)
00088                 {
00089                     nsresult rv = browser->GetContainerWindow(_retval);
00090                     NS_RELEASE(browser);
00091                     return rv;
00092                 }
00093             }
00094         }
00095     }
00096 
00097     return NS_ERROR_FAILURE;
00098 }
00099