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lightning-sunbird  0.9+nobinonly
nsMessengerContentHandler.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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  *   Jean-Francois Ducarroz <ducarroz@netscape.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or 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
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00034  * the provisions above, a recipient may use your version of this file under
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00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsMessengerContentHandler.h"
00040 #include "nsIChannel.h"
00041 #include "nsCRT.h"
00042 #include "nsIDOMWindow.h"
00043 #include "nsIServiceManager.h"
00044 #include "nsIWindowWatcher.h"
00045 #include "nsIDocShell.h"
00046 #include "nsIScriptGlobalObject.h"
00047 #include "nsIWebNavigation.h"
00048 #include "nsIMsgMailSession.h"
00049 #include "nsMsgBaseCID.h"
00050 
00051 nsMessengerContentHandler::nsMessengerContentHandler()
00052 {
00053 }
00054 
00055 /* the following macro actually implement addref, release and query interface for our component. */
00056 NS_IMPL_ISUPPORTS1(nsMessengerContentHandler, nsIContentHandler)
00057 
00058 nsMessengerContentHandler::~nsMessengerContentHandler()
00059 {
00060 }
00061 
00062 NS_IMETHODIMP nsMessengerContentHandler::HandleContent(const char * aContentType,
00063                                                 nsIInterfaceRequestor* aWindowContext, nsIRequest *request)
00064 {
00065   nsresult rv = NS_OK;
00066   if (!request)
00067     return NS_ERROR_NULL_POINTER;
00068 
00069   // First of all, get the content type and make sure it is a content type we know how to handle!
00070   if (nsCRT::strcasecmp(aContentType, "application/x-message-display") == 0) {
00071     nsCOMPtr<nsIURI> aUri;
00072     nsCOMPtr<nsIChannel> aChannel = do_QueryInterface(request);
00073     if (!aChannel) return NS_ERROR_FAILURE;
00074 
00075     rv = aChannel->GetURI(getter_AddRefs(aUri));
00076     if (aUri)
00077     {
00078       rv = request->Cancel(NS_ERROR_ABORT);
00079       if (NS_SUCCEEDED(rv))
00080       {
00081         nsCOMPtr<nsIURL> aUrl = do_QueryInterface(aUri);
00082         if (aUrl)
00083         {
00084           nsCAutoString queryPart;
00085           aUrl->GetQuery(queryPart);
00086           queryPart.ReplaceSubstring("type=message/rfc822", "type=application/x-message-display");
00087           aUrl->SetQuery(queryPart);
00088           rv = OpenWindow(aUri);
00089         }
00090       }
00091     }
00092   }
00093 
00094   return rv;
00095 }
00096 
00097 // Utility function to open a message display window and and load the message in it.
00098 nsresult nsMessengerContentHandler::OpenWindow(nsIURI* aURI)
00099 {
00100   NS_ENSURE_ARG_POINTER(aURI);
00101   
00102   nsCOMPtr<nsIWindowWatcher> wwatch = do_GetService("@mozilla.org/embedcomp/window-watcher;1");
00103   if (!wwatch)
00104     return NS_ERROR_FAILURE;
00105 
00106   nsCOMPtr<nsIDOMWindow> newWindow;
00107   return wwatch->OpenWindow(0, "chrome://messenger/content/messageWindow.xul",
00108                  "_blank", "all,chrome,dialog=no,status,toolbar", aURI,
00109                  getter_AddRefs(newWindow));
00110 }