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/*
* Copyright (C) 2010 Apple Inc. All rights reserved.
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "WorkQueue.h"
#include <QLocalSocket>
#include <QObject>
#include <QThread>
#include <QProcess>
#include <wtf/Threading.h>
#include "NotImplemented.h"
class WorkQueue::WorkItemQt : public QObject {
Q_OBJECT
public:
WorkItemQt(WorkQueue* workQueue, WorkItem* workItem)
: m_queue(workQueue)
, m_source(0)
, m_signal(0)
, m_workItem(workItem)
{
}
WorkItemQt(WorkQueue* workQueue, QObject* source, const char* signal, WorkItem* workItem)
: m_queue(workQueue)
, m_source(source)
, m_signal(signal)
, m_workItem(workItem)
{
connect(m_source, m_signal, SLOT(execute()), Qt::QueuedConnection);
}
~WorkItemQt()
{
delete m_workItem;
}
Q_SLOT void execute()
{
if (m_queue->m_isValid)
m_workItem->execute();
}
virtual void timerEvent(QTimerEvent*)
{
execute();
delete this;
}
WorkQueue* m_queue;
QObject* m_source;
const char* m_signal;
WorkItem* m_workItem;
};
QSocketNotifier* WorkQueue::registerSocketEventHandler(int socketDescriptor, QSocketNotifier::Type type, PassOwnPtr<WorkItem> workItem)
{
ASSERT(m_workThread);
QSocketNotifier* notifier = new QSocketNotifier(socketDescriptor, type, 0);
notifier->setEnabled(false);
notifier->moveToThread(m_workThread);
WorkQueue::WorkItemQt* itemQt = new WorkQueue::WorkItemQt(this, notifier, SIGNAL(activated(int)), workItem.leakPtr());
itemQt->moveToThread(m_workThread);
notifier->setEnabled(true);
return notifier;
}
void WorkQueue::platformInitialize(const char*)
{
m_workThread = new QThread();
m_workThread->start();
}
void WorkQueue::platformInvalidate()
{
m_workThread->exit();
m_workThread->wait();
delete m_workThread;
deleteAllValues(m_signalListeners);
}
void WorkQueue::scheduleWork(PassOwnPtr<WorkItem> item)
{
WorkQueue::WorkItemQt* itemQt = new WorkQueue::WorkItemQt(this, item.leakPtr());
itemQt->startTimer(0);
itemQt->moveToThread(m_workThread);
}
void WorkQueue::scheduleWorkAfterDelay(PassOwnPtr<WorkItem>, double)
{
notImplemented();
}
void WorkQueue::scheduleWorkOnTermination(WebKit::PlatformProcessIdentifier process, PassOwnPtr<WorkItem> workItem)
{
WorkQueue::WorkItemQt* itemQt = new WorkQueue::WorkItemQt(this, process, SIGNAL(finished(int, QProcess::ExitStatus)), workItem.leakPtr());
itemQt->moveToThread(m_workThread);
}
#include "WorkQueueQt.moc"
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