webkit/src/WebCore/dom/TouchEvent.h

/*
 * Copyright 2008, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * 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 THE COPYRIGHT HOLDERS ``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 COMPUTER, INC. OR
 * 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 TouchEvent_h
#define TouchEvent_h

#if ENABLE(TOUCH_EVENTS) // Android

#include "MouseRelatedEvent.h"
#include "TouchList.h"

namespace WebCore {

    class TouchEvent : public MouseRelatedEvent {
    public:
        static PassRefPtr<TouchEvent> create()
        {
            return adoptRef(new TouchEvent);
        }
        static PassRefPtr<TouchEvent> create(TouchList* touches, 
                TouchList* targetTouches, TouchList* changedTouches, 
                const AtomicString& type, PassRefPtr<AbstractView> view,
                int screenX, int screenY, int pageX, int pageY)
        {
            return adoptRef(new TouchEvent(touches, targetTouches, changedTouches,
                    type, view, screenX, screenY, pageX, pageY));
        }

        void initTouchEvent(TouchList* touches, TouchList* targetTouches,
                TouchList* changedTouches, const AtomicString& type, 
                PassRefPtr<AbstractView> view, int screenX, int screenY, 
                int clientX, int clientY);

        TouchList* touches() const {return m_touches.get();}
        TouchList* targetTouches() const {return m_targetTouches.get();}
        TouchList* changedTouches() const {return m_changedTouches.get();}

        bool longPressPrevented() const { return m_longPressPrevented; }
        void preventLongPress() { m_longPressPrevented = true; }
        void setLongPressPrevented(bool prevented) { m_longPressPrevented = prevented; }

        bool doubleTapPrevented() const { return m_doubleTapPrevented; }
        void preventDoubleTap() { m_doubleTapPrevented = true; }
        void setDoubleTapPrevented(bool prevented) { m_doubleTapPrevented = prevented; }

    private:
        TouchEvent() {}
        TouchEvent(TouchList* touches, TouchList* targetTouches,
                TouchList* changedTouches, const AtomicString& type,
                PassRefPtr<AbstractView>, int screenX, int screenY, int pageX,
                int pageY);

        virtual bool isTouchEvent() const {return true;}

        RefPtr<TouchList> m_touches;
        RefPtr<TouchList> m_targetTouches;
        RefPtr<TouchList> m_changedTouches;

        bool m_longPressPrevented;
        bool m_doubleTapPrevented;
    };

} // namespace WebCore

#endif // ENABLE(TOUCH_EVENTS)

#endif // TouchEvent_h