#ifndef EventDispatcher_h
#define EventDispatcher_h
#include "Connection.h"
#include "WebEvent.h"
#include <WebCore/WheelEventDeltaFilter.h>
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/Lock.h>
#include <wtf/Noncopyable.h>
#include <wtf/RefPtr.h>
#include <wtf/ThreadingPrimitives.h>
#if ENABLE(MAC_GESTURE_EVENTS)
#include "WebGestureEvent.h"
#endif
namespace WebCore {
class ThreadedScrollingTree;
}
namespace WebKit {
class WebEvent;
class WebPage;
class WebWheelEvent;
class EventDispatcher : public IPC::Connection::WorkQueueMessageReceiver {
public:
static Ref<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();
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) 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
#if ENABLE(MAC_GESTURE_EVENTS)
void gestureEvent(uint64_t pageID, const WebGestureEvent&);
#endif
void dispatchWheelEvent(uint64_t pageID, const WebWheelEvent&);
#if ENABLE(IOS_TOUCH_EVENTS)
void dispatchTouchEvents();
#endif
#if ENABLE(MAC_GESTURE_EVENTS)
void dispatchGestureEvent(uint64_t pageID, const WebGestureEvent&);
#endif
#if ENABLE(ASYNC_SCROLLING)
void sendDidReceiveEvent(uint64_t pageID, const WebEvent&, bool didHandleEvent);
#endif
Ref<WorkQueue> m_queue;
#if ENABLE(ASYNC_SCROLLING)
Lock m_scrollingTreesMutex;
HashMap<uint64_t, RefPtr<WebCore::ThreadedScrollingTree>> m_scrollingTrees;
#endif
std::unique_ptr<WebCore::WheelEventDeltaFilter> m_recentWheelEventDeltaFilter;
#if ENABLE(IOS_TOUCH_EVENTS)
Lock m_touchEventsLock;
HashMap<uint64_t, TouchEventQueue> m_touchEvents;
#endif
};
}
#endif // EventDispatcher_h