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lightning-sunbird  0.9+nobinonly
EmbedWindowCreator.cpp
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is mozilla.org code.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Christopher Blizzard. Portions created by Christopher Blizzard are Copyright (C) Christopher Blizzard.  All Rights Reserved.
00018  * Portions created by the Initial Developer are Copyright (C) 2001
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *   Christopher Blizzard <blizzard@mozilla.org>
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
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00033  * the provisions above, a recipient may use your version of this file under
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00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "EmbedWindowCreator.h"
00039 #include "EmbedPrivate.h"
00040 #include "EmbedWindow.h"
00041 
00042 // in order to create orphaned windows
00043 #include "gtkmozembedprivate.h"
00044 
00045 EmbedWindowCreator::EmbedWindowCreator(void)
00046 {
00047 }
00048 
00049 EmbedWindowCreator::~EmbedWindowCreator()
00050 {
00051 }
00052 
00053 NS_IMPL_ISUPPORTS1(EmbedWindowCreator, nsIWindowCreator)
00054 
00055 NS_IMETHODIMP
00056 EmbedWindowCreator::CreateChromeWindow(nsIWebBrowserChrome *aParent,
00057                                    PRUint32 aChromeFlags,
00058                                    nsIWebBrowserChrome **_retval)
00059 {
00060   NS_ENSURE_ARG_POINTER(_retval);
00061 
00062   GtkMozEmbed *newEmbed = nsnull;
00063 
00064   // No parent?  Ask via the singleton object instead.
00065   if (!aParent) {
00066     gtk_moz_embed_single_create_window(&newEmbed,
00067                                    (guint)aChromeFlags);
00068   }
00069   else {
00070     // Find the EmbedPrivate object for this web browser chrome object.
00071     EmbedPrivate *embedPrivate = EmbedPrivate::FindPrivateForBrowser(aParent);
00072     
00073     if (!embedPrivate)
00074       return NS_ERROR_FAILURE;
00075     
00076     gtk_signal_emit(GTK_OBJECT(embedPrivate->mOwningWidget),
00077                   moz_embed_signals[NEW_WINDOW],
00078                   &newEmbed, (guint)aChromeFlags);
00079     
00080   }
00081 
00082   // check to make sure that we made a new window
00083   if (!newEmbed)
00084     return NS_ERROR_FAILURE;
00085 
00086   // The window _must_ be realized before we pass it back to the
00087   // function that created it. Functions that create new windows
00088   // will do things like GetDocShell() and the widget has to be
00089   // realized before that can happen.
00090   gtk_widget_realize(GTK_WIDGET(newEmbed));
00091   
00092   EmbedPrivate *newEmbedPrivate = NS_STATIC_CAST(EmbedPrivate *,
00093                                            newEmbed->data);
00094 
00095   // set the chrome flag on the new window if it's a chrome open
00096   if (aChromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_CHROME)
00097     newEmbedPrivate->mIsChrome = PR_TRUE;
00098 
00099   *_retval = NS_STATIC_CAST(nsIWebBrowserChrome *,
00100                          (newEmbedPrivate->mWindow));
00101   
00102   if (*_retval) {
00103     NS_ADDREF(*_retval);
00104     return NS_OK;
00105   }
00106 
00107   return NS_ERROR_FAILURE;
00108 }