third_party/WebKit/Source/platform/PlatformTouchEvent.h

/*
    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef PlatformTouchEvent_h
#define PlatformTouchEvent_h

#include "platform/PlatformEvent.h"
#include "platform/PlatformTouchPoint.h"
#include "wtf/Vector.h"

namespace blink {

class PlatformTouchEvent : public PlatformEvent {
 public:
  PlatformTouchEvent()
      : PlatformEvent(PlatformEvent::TouchStart),
        m_dispatchType(PlatformEvent::Blocking),
        m_causesScrollingIfUncanceled(false),
        m_touchStartOrFirstTouchMove(false) {}

  const Vector<PlatformTouchPoint>& touchPoints() const {
    return m_touchPoints;
  }

  DispatchType dispatchType() const { return m_dispatchType; }
  bool cancelable() const { return m_dispatchType == PlatformEvent::Blocking; }
  bool causesScrollingIfUncanceled() const {
    return m_causesScrollingIfUncanceled;
  }
  bool touchStartOrFirstTouchMove() const {
    return m_touchStartOrFirstTouchMove;
  }
  uint32_t uniqueTouchEventId() const { return m_uniqueTouchEventId; }

 protected:
  Vector<PlatformTouchPoint> m_touchPoints;
  DispatchType m_dispatchType;
  bool m_causesScrollingIfUncanceled;
  bool m_touchStartOrFirstTouchMove;
  uint32_t m_uniqueTouchEventId;
};

}  // namespace blink

#endif  // PlatformTouchEvent_h