toolkit/xre/nsQAppInstance.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsQAppInstance.h"
   8 #include <QApplication>
   9 #ifdef MOZ_ENABLE_MEEGOTOUCH
  10 #include <MComponentData>
  11 #include <MApplicationService>
  12 #endif
  13 #include "prenv.h"
  14 #include <stdlib.h>
  15
  16 QApplication *nsQAppInstance::sQAppInstance = nullptr;
  17 #ifdef MOZ_ENABLE_MEEGOTOUCH
  18 MComponentData* nsQAppInstance::sMComponentData = nullptr;
  19 #endif
  20 int nsQAppInstance::sQAppRefCount = 0;
  21
  22 void nsQAppInstance::AddRef(int& aArgc, char** aArgv, bool aDefaultProcess) {
  23   if (qApp)
  24     return;
  25   if (!sQAppInstance) {
  26 #if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
  27     const char *graphicsSystem = getenv("MOZ_QT_GRAPHICSSYSTEM");
  28     if (graphicsSystem) {
  29       QApplication::setGraphicsSystem(QString(graphicsSystem));
  30     }
  31 #endif
  32     sQAppInstance = new QApplication(aArgc, aArgv);
  33   }
  34   sQAppRefCount++;
  35 }
  36
  37 void nsQAppInstance::Release(void) {
  38   if (sQAppInstance && !--sQAppRefCount) {
  39 #ifdef MOZ_ENABLE_MEEGOTOUCH
  40     delete sMComponentData;
  41     sMComponentData = nullptr;
  42 #endif
  43     delete sQAppInstance;
  44     sQAppInstance = nullptr;
  45   }
  46 }