wtf/qt/MainThreadQt.cpp

   1 /*
   2  * Copyright (C) 2007 Staikos Computing Services Inc.
   3  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
   4  * Copyright (C) 2008 Apple Inc. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1.  Redistributions of source code must retain the above copyright
  11  *     notice, this list of conditions and the following disclaimer.
  12  * 2.  Redistributions in binary form must reproduce the above copyright
  13  *     notice, this list of conditions and the following disclaimer in the
  14  *     documentation and/or other materials provided with the distribution.
  15  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  16  *     its contributors may be used to endorse or promote products derived
  17  *     from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  23  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  26  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "MainThread.h"
  33
  34 #include <QtCore/QObject>
  35 #include <QtCore/QCoreApplication>
  36
  37
  38 namespace WTF {
  39
  40 class MainThreadInvoker : public QObject {
  41     Q_OBJECT
  42 public:
  43     MainThreadInvoker();
  44
  45 private Q_SLOTS:
  46     void dispatch();
  47 };
  48
  49 MainThreadInvoker::MainThreadInvoker()
  50 {
  51     moveToThread(QCoreApplication::instance()->thread());
  52 }
  53
  54 void MainThreadInvoker::dispatch()
  55 {
  56     dispatchFunctionsFromMainThread();
  57 }
  58
  59 Q_GLOBAL_STATIC(MainThreadInvoker, webkit_main_thread_invoker)
  60
  61 void initializeMainThreadPlatform()
  62 {
  63 }
  64
  65 void scheduleDispatchFunctionsOnMainThread()
  66 {
  67     QMetaObject::invokeMethod(webkit_main_thread_invoker(), "dispatch", Qt::QueuedConnection);
  68 }
  69
  70 } // namespace WTF
  71
  72 #include "MainThreadQt.moc"