1 files changed, 147 insertions, 0 deletions
diff --git a/Source/WebCore/platform/qt/SharedTimerQt.cpp b/Source/WebCore/platform/qt/SharedTimerQt.cpp
new file mode 100644
index 0000000..8a6bd81
--- /dev/null
+++ b/Source/WebCore/platform/qt/SharedTimerQt.cpp
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2006 George Staikos <staikos@kde.org>
+ * Copyright (C) 2006 Dirk Mueller <mueller@kde.org>
+ * Copyright (C) 2008 Holger Hans Peter Freyther
+ *
+ * All rights reserved.
+ *
+ * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 <QBasicTimer>
+#include <QCoreApplication>
+#include <QDebug>
+#include <QPointer>
+#include <wtf/CurrentTime.h>
+
+namespace WebCore {
+
+class SharedTimerQt : public QObject {
+    Q_OBJECT
+
+    friend void setSharedTimerFiredFunction(void (*f)());
+public:
+    static SharedTimerQt* inst();
+
+    void start(double);
+    void stop();
+
+protected:
+    void timerEvent(QTimerEvent* ev);
+
+private slots:
+    void destroy();
+
+private:
+    SharedTimerQt();
+    ~SharedTimerQt();
+    QBasicTimer m_timer;
+    void (*m_timerFunction)();
+};
+
+SharedTimerQt::SharedTimerQt()
+    : QObject()
+    , m_timerFunction(0)
+{}
+
+SharedTimerQt::~SharedTimerQt()
+{
+    if (m_timer.isActive())
+        (m_timerFunction)();
+}
+
+void SharedTimerQt::destroy()
+{
+    delete this;
+}
+
+SharedTimerQt* SharedTimerQt::inst()
+{
+    static QPointer<SharedTimerQt> timer;
+    if (!timer) {
+        timer = new SharedTimerQt();
+        timer->connect(QCoreApplication::instance(), SIGNAL(aboutToQuit()), SLOT(destroy()));
+    }
+
+    return timer;
+}
+
+void SharedTimerQt::start(double fireTime)
+{
+    double interval = fireTime - currentTime();
+    unsigned int intervalInMS;
+    if (interval < 0)
+        intervalInMS = 0;
+    else {
+        interval *= 1000;
+        intervalInMS = (unsigned int)interval;
+    }
+
+    m_timer.start(intervalInMS, this);
+}
+
+void SharedTimerQt::stop()
+{
+    m_timer.stop();
+}
+
+void SharedTimerQt::timerEvent(QTimerEvent* ev)
+{
+    if (!m_timerFunction || ev->timerId() != m_timer.timerId())
+        return;
+
+    m_timer.stop();
+    (m_timerFunction)();
+}
+
+void setSharedTimerFiredFunction(void (*f)())
+{
+    if (!QCoreApplication::instance())
+        return;
+
+    SharedTimerQt::inst()->m_timerFunction = f;
+}
+
+void setSharedTimerFireTime(double fireTime)
+{
+    if (!QCoreApplication::instance())
+        return;
+
+    SharedTimerQt::inst()->start(fireTime);
+}
+
+void stopSharedTimer()
+{
+    if (!QCoreApplication::instance())
+        return;
+
+    SharedTimerQt::inst()->stop();
+}
+
+#include "SharedTimerQt.moc"
+
+}
+
+// vim: ts=4 sw=4 et