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/*
* Copied from nsWindowWatcher.cpp.
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Harshal Pradhan <keeda@hotpop.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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK *****
*
* $Id$
*/
#include "mozilla-config.h"
#include "config.h"
#include "AutoEventQueue.h"
#ifdef HAVE_LAME_APPSHELL
/* for NS_APPSHELL_CID */
#include <nsWidgetsCID.h>
#endif
#include <nsIServiceManager.h>
#include <nsIServiceManagerUtils.h>
#ifdef HAVE_LAME_APPSHELL
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
#endif
AutoEventQueue::AutoEventQueue() : mQueue(nsnull)
{
}
AutoEventQueue::~AutoEventQueue()
{
#ifdef HAVE_LAME_APPSHELL
if (mAppShell) {
if (mQueue)
mAppShell->ListenToEventQueue(mQueue, PR_FALSE);
mAppShell->Spindown();
mAppShell = nsnull;
}
#endif
if(mQueue)
mService->PopThreadEventQueue(mQueue);
}
nsresult AutoEventQueue::Init()
{
if (mQueue)
return NS_ERROR_ALREADY_INITIALIZED;
mService = do_GetService(NS_EVENTQUEUESERVICE_CONTRACTID);
if (!mService)
return NS_ERROR_FAILURE;
/* push a new queue onto it */
mService->PushThreadEventQueue(getter_AddRefs(mQueue));
if (!mQueue)
return NS_ERROR_FAILURE;
#ifdef HAVE_LAME_APPSHELL
mAppShell = do_CreateInstance(kAppShellCID);
if (!mAppShell)
return NS_ERROR_FAILURE;
mAppShell->Create(0, nsnull);
mAppShell->Spinup();
/* listen to the new queue */
mAppShell->ListenToEventQueue(mQueue, PR_TRUE);
#endif
return NS_OK;
}
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