gecko-dev/toolkit/xre/nsQAppInstance.cpp

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2.6 KiB
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 et sw=2 tw=80: */
/* ***** 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 Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Oleg Romashin <romaxa@gmail.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
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* decision by deleting the provisions above and replace them with the notice
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* ***** END LICENSE BLOCK ***** */
#include "nsQAppInstance.h"
#include <QApplication>
#include "prenv.h"
// declared in nsAppRunner.cpp
extern int gArgc;
extern char **gArgv;
nsQAppInstance *nsQAppInstance::sQAppInstance = NULL;
int nsQAppInstance::sQAppRefCount = 0;
nsQAppInstance::nsQAppInstance(int gArgc, char** gArgv)
: QApplication(gArgc, gArgv)
{
}
void nsQAppInstance::AddRef(void) {
if (qApp) return;
if (!sQAppInstance) {
const char *graphicsSystem = PR_GetEnv("MOZ_QT_GRAPHICSSYSTEM");
if (graphicsSystem)
QApplication::setGraphicsSystem(QString(graphicsSystem));
sQAppInstance = new nsQAppInstance(gArgc, gArgv);
}
sQAppRefCount++;
}
void nsQAppInstance::Release(void) {
if (sQAppInstance && !--sQAppRefCount) {
delete sQAppInstance;
sQAppInstance = NULL;
}
}