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 #include <QThread>

    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 bool isMainThread()

    71 {

    72     return QThread::currentThread() == QCoreApplication::instance()->thread();

    73 }

    74 

    75 } // namespace WTF

    76 

    77 #include "MainThreadQt.moc"