--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/gtk/SharedTimerGtk.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
+ * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
+ * 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 "SharedTimer.h"
+
+#include <wtf/Assertions.h>
+#include <wtf/CurrentTime.h>
+#include <glib.h>
+
+namespace WebCore {
+
+static guint sharedTimer;
+static void (*sharedTimerFiredFunction)();
+
+void setSharedTimerFiredFunction(void (*f)())
+{
+    sharedTimerFiredFunction = f;
+}
+
+static gboolean timeout_cb(gpointer)
+{
+    if (sharedTimerFiredFunction)
+        sharedTimerFiredFunction();
+    return FALSE;
+}
+
+void setSharedTimerFireTime(double fireTime)
+{
+    ASSERT(sharedTimerFiredFunction);
+
+    double interval = fireTime - currentTime();
+    guint intervalInMS;
+    if (interval < 0)
+        intervalInMS = 0;
+    else {
+        interval *= 1000;
+        intervalInMS = (guint)interval;
+    }
+
+    stopSharedTimer();
+    sharedTimer = g_timeout_add(intervalInMS, timeout_cb, NULL);
+}
+
+void stopSharedTimer()
+{
+    gboolean s = FALSE;
+    if (sharedTimer == 0)
+        return;
+
+    s = g_source_remove(sharedTimer);
+    ASSERT(s);
+    sharedTimer = 0;
+}
+
+}