WebKit2/Platform/qt/RunLoopQt.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit2/Platform/qt/RunLoopQt.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,139 @@
+/*
+ * 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 "RunLoop.h"
+
+#include "WorkItem.h"
+
+#include <QApplication>
+#include <QAbstractEventDispatcher>
+#include <QObject>
+#include <QMetaMethod>
+#include <QMetaObject>
+#include <QTimerEvent>
+
+class RunLoop::TimerObject : public QObject
+{
+    Q_OBJECT
+public:
+    TimerObject(RunLoop* runLoop) : m_runLoop(runLoop)
+    {
+        int methodIndex = metaObject()->indexOfMethod("performWork()");
+        m_method = metaObject()->method(methodIndex);
+    }
+
+    Q_SLOT void performWork() { m_runLoop->performWork(); }
+    inline void wakeUp() { m_method.invoke(this, Qt::QueuedConnection); }
+
+protected:
+    virtual void timerEvent(QTimerEvent* event)
+    {
+        RunLoop::TimerBase::timerFired(m_runLoop, event->timerId());
+    }
+
+private:
+    RunLoop* m_runLoop;
+    QMetaMethod m_method;
+};
+
+void RunLoop::run()
+{
+    QCoreApplication::exec();
+}
+
+void RunLoop::stop()
+{
+    // implement
+}
+
+RunLoop::RunLoop()
+    : m_timerObject(new TimerObject(this))
+{
+}
+
+RunLoop::~RunLoop()
+{
+    delete m_timerObject;
+}
+
+void RunLoop::wakeUp()
+{
+    m_timerObject->wakeUp();
+}
+
+// RunLoop::Timer
+
+void RunLoop::TimerBase::timerFired(RunLoop* runLoop, int ID)
+{
+    TimerMap::iterator it = runLoop->m_activeTimers.find(ID);
+    ASSERT(it != runLoop->m_activeTimers.end());
+    TimerBase* timer = it->second;
+
+    // FIMXE: Support repeating timers.
+    timer->stop();
+    timer->fired();
+}
+
+RunLoop::TimerBase::TimerBase(RunLoop* runLoop)
+    : m_runLoop(runLoop)
+    , m_ID(0)
+{
+}
+
+RunLoop::TimerBase::~TimerBase()
+{
+    stop();
+}
+
+void RunLoop::TimerBase::start(double nextFireInterval, double /*repeatInterval*/)
+{
+    // FIMXE: Support repeating timers.
+    stop();
+    int millis = static_cast<int>(nextFireInterval * 1000);
+    m_ID = m_runLoop->m_timerObject->startTimer(millis);
+    ASSERT(m_ID);
+    m_runLoop->m_activeTimers.set(m_ID, this);
+}
+
+void RunLoop::TimerBase::stop()
+{
+    if (!m_ID)
+        return;
+    TimerMap::iterator it = m_runLoop->m_activeTimers.find(m_ID);
+    if (it == m_runLoop->m_activeTimers.end())
+        return;
+
+    m_runLoop->m_activeTimers.remove(it);
+    m_runLoop->m_timerObject->killTimer(m_ID);
+    m_ID = 0;
+}
+
+bool RunLoop::TimerBase::isActive() const
+{
+    return m_ID;
+}
+
+#include "RunLoopQt.moc"