2 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef EventDispatcher_h
27 #define EventDispatcher_h
29 #include "Connection.h"
30 #include <wtf/HashMap.h>
31 #include <wtf/Noncopyable.h>
32 #include <wtf/RefPtr.h>
33 #include <wtf/ThreadingPrimitives.h>
45 #if ENABLE(GESTURE_EVENTS)
46 class WebGestureEvent;
49 class EventDispatcher : public CoreIPC::Connection::QueueClient {
50 WTF_MAKE_NONCOPYABLE(EventDispatcher);
56 #if ENABLE(THREADED_SCROLLING)
57 void addScrollingTreeForPage(WebPage*);
58 void removeScrollingTreeForPage(WebPage*);
62 // CoreIPC::Connection::QueueClient
63 virtual void didReceiveMessageOnConnectionWorkQueue(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, bool& didHandleMessage) OVERRIDE;
65 // Implemented in generated EventDispatcherMessageReceiver.cpp
66 void didReceiveEventDispatcherMessageOnConnectionWorkQueue(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder* arguments, bool& didHandleMessage);
69 void wheelEvent(CoreIPC::Connection*, uint64_t pageID, const WebWheelEvent&, bool canGoBack, bool canGoForward);
70 #if ENABLE(GESTURE_EVENTS)
71 void gestureEvent(CoreIPC::Connection*, uint64_t pageID, const WebGestureEvent&);
74 // This is called on the main thread.
75 void dispatchWheelEvent(uint64_t pageID, const WebWheelEvent&);
76 #if ENABLE(GESTURE_EVENTS)
77 void dispatchGestureEvent(uint64_t pageID, const WebGestureEvent&);
80 #if ENABLE(THREADED_SCROLLING)
81 void sendDidReceiveEvent(uint64_t pageID, const WebEvent&, bool didHandleEvent);
83 Mutex m_scrollingTreesMutex;
84 HashMap<uint64_t, RefPtr<WebCore::ScrollingTree> > m_scrollingTrees;
90 #endif // EventDispatcher_h