--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/webkit/WebCore/plugins/PluginMainThreadScheduler.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2008 Apple Inc. 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 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 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.
+ */
+
+#ifndef PluginMainThreadScheduler_h
+#define PluginMainThreadScheduler_h
+
+#include <wtf/Deque.h>
+#include <wtf/HashMap.h>
+#include <wtf/MainThread.h>
+#include <wtf/Threading.h>
+
+typedef struct _NPP NPP_t;
+typedef NPP_t* NPP;
+
+namespace WebCore {
+
+class PluginMainThreadScheduler {
+public:
+ typedef void MainThreadFunction(void*);
+
+ static PluginMainThreadScheduler& scheduler();
+
+ void scheduleCall(NPP, MainThreadFunction*, void* userData);
+
+ void registerPlugin(NPP);
+ void unregisterPlugin(NPP);
+
+private:
+ PluginMainThreadScheduler();
+ void dispatchCalls();
+
+ class Call;
+
+ void dispatchCallsForPlugin(NPP, const Deque<Call>& calls);
+ typedef HashMap<NPP, Deque<Call> > CallQueueMap;
+
+ static void mainThreadCallback(void* context);
+
+ class Call {
+ public:
+ Call(MainThreadFunction* function, void* userData)
+ : m_function(function)
+ , m_userData(userData)
+ {
+ }
+
+ void performCall() const
+ {
+ m_function(m_userData);
+ }
+
+ private:
+ MainThreadFunction* m_function;
+ void* m_userData;
+ };
+
+ bool m_callPending;
+ CallQueueMap m_callQueueMap;
+ Mutex m_queueMutex;
+};
+
+} // namespace WebCore
+
+#endif // PluginMainThreadScheduler_h