1 files changed, 124 insertions, 0 deletions
diff --git a/Source/WebCore/platform/haiku/SharedTimerHaiku.cpp b/Source/WebCore/platform/haiku/SharedTimerHaiku.cpp
new file mode 100644
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+++ b/Source/WebCore/platform/haiku/SharedTimerHaiku.cpp
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+/*
+ * Copyright (C) 2009 Maxime Simon <simon.maxime@gmail.com>
+ *
+ * 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 "SharedTimer.h"
+
+#include <MessageFilter.h>
+#include <MessageRunner.h>
+#include <Looper.h>
+#include <support/Locker.h>
+#include <support/Autolock.h>
+#include <wtf/CurrentTime.h>
+
+#define FIRE_MESSAGE 'fire'
+
+
+namespace WebCore {
+
+class SharedTimerHaiku: public BMessageFilter {
+    friend void setSharedTimerFiredFunction(void (*f)());
+public:
+    static SharedTimerHaiku* instance();
+
+    void start(double);
+    void stop();
+
+protected:
+    virtual filter_result Filter(BMessage*, BHandler**);
+
+private:
+    SharedTimerHaiku();
+    ~SharedTimerHaiku();
+
+    void (*m_timerFunction)();
+    bool m_shouldRun;
+};
+
+SharedTimerHaiku::SharedTimerHaiku()
+    : BMessageFilter(FIRE_MESSAGE)
+    , m_timerFunction(0)
+    , m_shouldRun(false)
+{
+}
+
+SharedTimerHaiku::~SharedTimerHaiku()
+{
+}
+
+SharedTimerHaiku* SharedTimerHaiku::instance()
+{
+    BLooper* looper = BLooper::LooperForThread(find_thread(0));
+    static SharedTimerHaiku* timer;
+
+    if (!timer) {
+        BAutolock lock(looper);
+        timer = new SharedTimerHaiku();
+        looper->AddCommonFilter(timer);
+    }
+
+    return timer;
+}
+
+void SharedTimerHaiku::start(double fireTime)
+{
+    m_shouldRun = true;
+
+    double intervalInSeconds = fireTime - currentTime();
+    bigtime_t intervalInMicroSeconds = intervalInSeconds < 0 ? 0 : intervalInSeconds * 1000000;
+
+    BMessageRunner::StartSending(Looper(), new BMessage(FIRE_MESSAGE), intervalInMicroSeconds, 1);
+}
+
+void SharedTimerHaiku::stop()
+{
+    m_shouldRun = false;
+}
+
+filter_result SharedTimerHaiku::Filter(BMessage*, BHandler**)
+{
+    if (m_shouldRun && m_timerFunction)
+        m_timerFunction();
+
+    return B_SKIP_MESSAGE;
+}
+
+// WebCore functions
+void setSharedTimerFiredFunction(void (*f)())
+{
+    SharedTimerHaiku::instance()->m_timerFunction = f;
+}
+
+void setSharedTimerFireTime(double fireTime)
+{
+    SharedTimerHaiku::instance()->start(fireTime);
+}
+
+void stopSharedTimer()
+{
+    SharedTimerHaiku::instance()->stop();
+}
+
+} // namespace WebCore