#ifndef WheelEvent_h
#define WheelEvent_h
#include "MouseRelatedEvent.h"
namespace WebCore {
class WheelEvent : public MouseRelatedEvent {
public:
enum Granularity { Pixel, Line, Page };
static PassRefPtr<WheelEvent> create()
{
return adoptRef(new WheelEvent);
}
static PassRefPtr<WheelEvent> create(float wheelTicksX, float wheelTicksY,
float rawDeltaX, float rawDeltaY, Granularity granularity, PassRefPtr<AbstractView> view,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
{
return adoptRef(new WheelEvent(wheelTicksX, wheelTicksY, rawDeltaX, rawDeltaY,
granularity, view, screenX, screenY, pageX, pageY,
ctrlKey, altKey, shiftKey, metaKey));
}
void initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView>,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
void initWebKitWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView>,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
int wheelDelta() const { if (m_wheelDeltaY == 0) return m_wheelDeltaX; return m_wheelDeltaY; }
int wheelDeltaX() const { return m_wheelDeltaX; }
int wheelDeltaY() const { return m_wheelDeltaY; }
int rawDeltaX() const { return m_rawDeltaX; }
int rawDeltaY() const { return m_rawDeltaY; }
Granularity granularity() const { return m_granularity; }
bool isHorizontal() const { return m_wheelDeltaX; }
private:
WheelEvent();
WheelEvent(float wheelTicksX, float wheelTicksY, float rawDeltaX, float rawDeltaY,
Granularity granularity, PassRefPtr<AbstractView>,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
virtual bool isWheelEvent() const;
int m_wheelDeltaX;
int m_wheelDeltaY;
int m_rawDeltaX;
int m_rawDeltaY;
Granularity m_granularity;
};
class WheelEventDispatchMediator : public EventDispatchMediator {
public:
WheelEventDispatchMediator(const PlatformWheelEvent&, PassRefPtr<AbstractView>);
private:
WheelEvent* event() const;
virtual bool dispatchEvent(EventDispatcher*) const;
};
}
#endif // WheelEvent_h