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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Jean-Francois Ducarroz <ducarroz@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsMsgComposeContentHandler.h"
#include "nsMsgComposeService.h"
#include "nsMsgCompCID.h"
#include "nsIChannel.h"
#include "nsIURI.h"
#include "nsCRT.h"

static NS_DEFINE_CID(kMsgComposeServiceCID, NS_MSGCOMPOSESERVICE_CID);

nsMsgComposeContentHandler::nsMsgComposeContentHandler()
{
}

/* the following macro actually implement addref, release and query interface for our component. */
NS_IMPL_ISUPPORTS1(nsMsgComposeContentHandler, nsIContentHandler)

nsMsgComposeContentHandler::~nsMsgComposeContentHandler()
{
}

NS_IMETHODIMP nsMsgComposeContentHandler::HandleContent(const char * aContentType, const char * aCommand,
                                                nsISupports * aWindowContext, nsIRequest *request)
{
  nsresult rv = NS_OK;
  if (!request)
    return NS_ERROR_NULL_POINTER;

  // First of all, get the content type and make sure it is a content type we know how to handle!
  if (nsCRT::strcasecmp(aContentType, "x-application-mailto") == 0) {
    nsCOMPtr<nsIURI> aUri;
    nsCOMPtr<nsIChannel> aChannel = do_QueryInterface(request);
    if(!aChannel) return NS_ERROR_FAILURE;

    rv = aChannel->GetURI(getter_AddRefs(aUri));
    if (aUri)
    {
      nsCOMPtr<nsIMsgComposeService> composeService = 
               do_GetService(kMsgComposeServiceCID, &rv);
      if (NS_SUCCEEDED(rv))
        rv = composeService->OpenComposeWindowWithURI(nsnull, aUri);
    }
  } else {
    // The content-type was not x-application-mailto...
    return NS_ERROR_WONT_HANDLE_CONTENT;
  }

  return rv;
}