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lightning-sunbird  0.9+nobinonly
nsMsgComposeContentHandler.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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00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsMsgComposeContentHandler.h"
00040 #include "nsMsgComposeService.h"
00041 #include "nsMsgCompCID.h"
00042 #include "nsIChannel.h"
00043 #include "nsIURI.h"
00044 #include "nsCRT.h"
00045 
00046 static NS_DEFINE_CID(kMsgComposeServiceCID, NS_MSGCOMPOSESERVICE_CID);
00047 
00048 nsMsgComposeContentHandler::nsMsgComposeContentHandler()
00049 {
00050 }
00051 
00052 /* the following macro actually implement addref, release and query interface for our component. */
00053 NS_IMPL_ISUPPORTS1(nsMsgComposeContentHandler, nsIContentHandler)
00054 
00055 nsMsgComposeContentHandler::~nsMsgComposeContentHandler()
00056 {
00057 }
00058 
00059 NS_IMETHODIMP nsMsgComposeContentHandler::HandleContent(const char * aContentType,
00060                                                 nsIInterfaceRequestor* aWindowContext, nsIRequest *request)
00061 {
00062   nsresult rv = NS_OK;
00063   if (!request)
00064     return NS_ERROR_NULL_POINTER;
00065 
00066   // First of all, get the content type and make sure it is a content type we know how to handle!
00067   if (nsCRT::strcasecmp(aContentType, "application/x-mailto") == 0) {
00068     nsCOMPtr<nsIURI> aUri;
00069     nsCOMPtr<nsIChannel> aChannel = do_QueryInterface(request);
00070     if(!aChannel) return NS_ERROR_FAILURE;
00071 
00072     rv = aChannel->GetURI(getter_AddRefs(aUri));
00073     if (aUri)
00074     {
00075       nsCOMPtr<nsIMsgComposeService> composeService = 
00076                do_GetService(kMsgComposeServiceCID, &rv);
00077       if (NS_SUCCEEDED(rv))
00078         rv = composeService->OpenComposeWindowWithURI(nsnull, aUri);
00079     }
00080   } else {
00081     // The content-type was not application/x-mailto...
00082     return NS_ERROR_WONT_HANDLE_CONTENT;
00083   }
00084 
00085   return rv;
00086 }