#ifndef EventDispatcher_h
#define EventDispatcher_h
#include "Connection.h"
#include <WebCore/WheelEventDeltaTracker.h>
#include <WebEvent.h>
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/Noncopyable.h>
#include <wtf/RefPtr.h>
#include <wtf/TCSpinLock.h>
#include <wtf/ThreadingPrimitives.h>
namespace WebCore {
class ThreadedScrollingTree;
}
namespace WebKit {
class WebEvent;
class WebPage;
class WebWheelEvent;
class EventDispatcher : public IPC::Connection::WorkQueueMessageReceiver {
public:
static PassRefPtr<EventDispatcher> create();
~EventDispatcher();
#if ENABLE(ASYNC_SCROLLING)
void addScrollingTreeForPage(WebPage*);
void removeScrollingTreeForPage(WebPage*);
#endif
#if ENABLE(IOS_TOUCH_EVENTS)
typedef Vector<WebTouchEvent, 1> TouchEventQueue;
void clearQueuedTouchEventsForPage(const WebPage&);
void getQueuedTouchEventsForPage(const WebPage&, TouchEventQueue&);
#endif
void initializeConnection(IPC::Connection*);
private:
EventDispatcher();
virtual void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override;
void wheelEvent(uint64_t pageID, const WebWheelEvent&, bool canRubberBandAtLeft, bool canRubberBandAtRight, bool canRubberBandAtTop, bool canRubberBandAtBottom);
#if ENABLE(IOS_TOUCH_EVENTS)
void touchEvent(uint64_t pageID, const WebTouchEvent&);
#endif
void dispatchWheelEvent(uint64_t pageID, const WebWheelEvent&);
#if ENABLE(IOS_TOUCH_EVENTS)
void dispatchTouchEvents();
#endif
#if ENABLE(ASYNC_SCROLLING)
void sendDidReceiveEvent(uint64_t pageID, const WebEvent&, bool didHandleEvent);
#endif
RefPtr<WorkQueue> m_queue;
#if ENABLE(ASYNC_SCROLLING)
Mutex m_scrollingTreesMutex;
HashMap<uint64_t, RefPtr<WebCore::ThreadedScrollingTree>> m_scrollingTrees;
#endif
std::unique_ptr<WebCore::WheelEventDeltaTracker> m_recentWheelEventDeltaTracker;
#if ENABLE(IOS_TOUCH_EVENTS)
SpinLock m_touchEventsLock;
HashMap<uint64_t, TouchEventQueue> m_touchEvents;
#endif
};
}
#endif // EventDispatcher_h