gecko-dev/uriloader/exthandler/nsExternalHelperAppService.cpp

/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 * 
 * 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 the Mozilla browser.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications, Inc.  Portions created by Netscape are
 * Copyright (C) 1999, Mozilla.  All Rights Reserved.
 * 
 * Contributor(s):
 *   Scott MacGregor <mscott@netscape.com>
 */

#include "nsExternalHelperAppService.h"
#include "nsIURI.h"
#include "nsIFile.h"
#include "nsIStreamListener.h"

NS_IMPL_THREADSAFE_ADDREF(nsExternalHelperAppService)
NS_IMPL_THREADSAFE_RELEASE(nsExternalHelperAppService)

NS_INTERFACE_MAP_BEGIN(nsExternalHelperAppService)
   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIExternalHelperAppService)
   NS_INTERFACE_MAP_ENTRY(nsIExternalHelperAppService)
NS_INTERFACE_MAP_END_THREADSAFE

nsExternalHelperAppService::nsExternalHelperAppService()
{
  NS_INIT_ISUPPORTS();
}

nsExternalHelperAppService::~nsExternalHelperAppService()
{
}

/* boolean canHandleContent (in string aMimeContentType); */
NS_IMETHODIMP nsExternalHelperAppService::CanHandleContent(const char *aMimeContentType, PRBool *_retval)
{
  return NS_ERROR_NOT_IMPLEMENTED;
}

/* nsIStreamListener doContent (in string aMimeContentType, in nsIURI aURI, in nsISupports aWindowContext, out boolean aAbortProcess); */
NS_IMETHODIMP nsExternalHelperAppService::DoContent(const char *aMimeContentType, nsIURI *aURI, nsISupports *aWindowContext, PRBool *aAbortProcess, nsIStreamListener **_retval)
{
  return NS_ERROR_NOT_IMPLEMENTED;
}

//////////////////////////////////////////////////////////////////////////////////////////////////////
// begin external app handler implementation 
//////////////////////////////////////////////////////////////////////////////////////////////////////

NS_IMPL_THREADSAFE_ADDREF(nsExternalAppHandler)
NS_IMPL_THREADSAFE_RELEASE(nsExternalAppHandler)

NS_INTERFACE_MAP_BEGIN(nsExternalAppHandler)
   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIStreamListener)
   NS_INTERFACE_MAP_ENTRY(nsIStreamListener)
   NS_INTERFACE_MAP_ENTRY(nsIStreamObserver)
NS_INTERFACE_MAP_END_THREADSAFE

nsExternalAppHandler::nsExternalAppHandler()
{
  NS_INIT_ISUPPORTS();
}

nsExternalAppHandler::~nsExternalAppHandler()
{
}

NS_IMETHODIMP nsExternalAppHandler::OnStartRequest(nsIChannel * aChannel, nsISupports * aCtxt)
{
  // create a temp file for the data...and open it for writing.
  return NS_OK;
}

NS_IMETHODIMP nsExternalAppHandler::OnDataAvailable(nsIChannel * aChannel, nsISupports * aCtxt,
                                                  nsIInputStream * inStr, PRUint32 sourceOffset, PRUint32 count)
{
  // read the data out of the stream and write it to the temp file.
  return NS_OK;
}

NS_IMETHODIMP nsExternalAppHandler::OnStopRequest(nsIChannel * aChannel, nsISupports *aCtxt, 
                                                nsresult aStatus, const PRUnichar * errorMsg)
{
  // go ahead and execute the application passing in our temp file as an argument
  return NS_OK;
}