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/*
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
* Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
*
* 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 MouseRelatedEvent_h
#define MouseRelatedEvent_h
#include "IntPoint.h"
#include "UIEventWithKeyState.h"
namespace WebCore {
// Internal only: Helper class for what's common between mouse and wheel events.
class MouseRelatedEvent : public UIEventWithKeyState {
public:
// Note that these values are adjusted to counter the effects of zoom, so that values
// exposed via DOM APIs are invariant under zooming.
int screenX() const { return m_screenX; }
int screenY() const { return m_screenY; }
int clientX() const { return m_clientX; }
int clientY() const { return m_clientY; }
int layerX();
int layerY();
int offsetX();
int offsetY();
bool isSimulated() const { return m_isSimulated; }
virtual int pageX() const;
virtual int pageY() const;
int x() const;
int y() const;
// Page point in "absolute" coordinates (i.e. post-zoomed, page-relative coords,
// usable with RenderObject::absoluteToLocal).
IntPoint absoluteLocation() const { return m_absoluteLocation; }
void setAbsoluteLocation(const IntPoint& p) { m_absoluteLocation = p; }
protected:
MouseRelatedEvent();
MouseRelatedEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>,
int detail, int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated = false);
void initCoordinates();
void initCoordinates(int clientX, int clientY);
virtual void receivedTarget();
void computePageLocation();
void computeRelativePosition();
// Expose these so MouseEvent::initMouseEvent can set them.
int m_screenX;
int m_screenY;
int m_clientX;
int m_clientY;
private:
int m_pageX;
int m_pageY;
int m_layerX;
int m_layerY;
int m_offsetX;
int m_offsetY;
IntPoint m_absoluteLocation;
bool m_isSimulated;
bool m_hasCachedRelativePosition;
};
} // namespace WebCore
#endif // MouseRelatedEvent_h