1 files changed, 90 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/WebPage/EventDispatcher.h b/Source/WebKit2/WebProcess/WebPage/EventDispatcher.h
new file mode 100644
index 000000000..7cd2f9550
--- /dev/null
+++ b/Source/WebKit2/WebProcess/WebPage/EventDispatcher.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2011 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. 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.
+ */
+
+#ifndef EventDispatcher_h
+#define EventDispatcher_h
+
+#include "Connection.h"
+#include <wtf/HashMap.h>
+#include <wtf/Noncopyable.h>
+#include <wtf/RefPtr.h>
+#include <wtf/ThreadingPrimitives.h>
+
+namespace WebCore {
+    class ScrollingCoordinator;
+}
+
+namespace WebKit {
+
+class WebEvent;
+class WebPage;
+class WebWheelEvent;
+
+#if ENABLE(GESTURE_EVENTS)
+class WebGestureEvent;
+#endif
+
+class EventDispatcher : public CoreIPC::Connection::QueueClient {
+    WTF_MAKE_NONCOPYABLE(EventDispatcher);
+
+public:
+    EventDispatcher();
+    ~EventDispatcher();
+
+#if ENABLE(THREADED_SCROLLING)
+    void addScrollingCoordinatorForPage(WebPage*);
+    void removeScrollingCoordinatorForPage(WebPage*);
+#endif
+
+private:
+    // CoreIPC::Connection::QueueClient
+    virtual void didReceiveMessageOnConnectionWorkQueue(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, bool& didHandleMessage) OVERRIDE;
+
+    // Implemented in generated EventDispatcherMessageReceiver.cpp
+    void didReceiveEventDispatcherMessageOnConnectionWorkQueue(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder* arguments, bool& didHandleMessage);
+
+    // Message handlers
+    void wheelEvent(uint64_t pageID, const WebWheelEvent&);
+#if ENABLE(GESTURE_EVENTS)
+    void gestureEvent(uint64_t pageID, const WebGestureEvent&);
+#endif
+
+    // This is called on the main thread.
+    void dispatchWheelEvent(uint64_t pageID, const WebWheelEvent&);
+#if ENABLE(GESTURE_EVENTS)
+    void dispatchGestureEvent(uint64_t pageID, const WebGestureEvent&);
+#endif
+
+#if ENABLE(THREADED_SCROLLING)
+    void sendDidHandleEvent(uint64_t pageID, const WebEvent&);
+
+    Mutex m_scrollingCoordinatorsMutex;
+    HashMap<uint64_t, RefPtr<WebCore::ScrollingCoordinator> > m_scrollingCoordinators;
+#endif
+};
+
+} // namespace WebKit
+
+#endif // EventDispatcher_h