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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 "core/events/UIEventWithKeyState.h"
#include "platform/geometry/LayoutPoint.h"
namespace blink {
// 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_screenLocation.x(); }
int screenY() const { return m_screenLocation.y(); }
const IntPoint& screenLocation() const { return m_screenLocation; }
int clientX() const { return m_clientLocation.x(); }
int clientY() const { return m_clientLocation.y(); }
int movementX() const { return m_movementDelta.x(); }
int movementY() const { return m_movementDelta.y(); }
const LayoutPoint& clientLocation() const { return m_clientLocation; }
virtual int layerX() override final;
virtual int layerY() override final;
int offsetX();
int offsetY();
// FIXME: rename isSimulated to fromKeyboard() and replace m_isSimulated with a new value
// in PlatformMouseEvent::SyntheticEventType. isSimulated() is only true for synthetic
// mouse events that derive from keyboard input, which do not have a position.
bool isSimulated() const { return m_isSimulated; }
virtual int pageX() const override final;
virtual int pageY() const override final;
int x() const;
int y() const;
// Page point in "absolute" coordinates (i.e. post-zoomed, page-relative coords,
// usable with RenderObject::absoluteToLocal).
const LayoutPoint& absoluteLocation() const { return m_absoluteLocation; }
void setAbsoluteLocation(const LayoutPoint& p) { m_absoluteLocation = p; }
virtual void trace(Visitor*) override;
protected:
MouseRelatedEvent();
MouseRelatedEvent(const AtomicString& type, bool canBubble, bool cancelable,
PassRefPtrWillBeRawPtr<AbstractView>, int detail, const IntPoint& screenLocation,
const IntPoint& windowLocation, const IntPoint& movementDelta, bool ctrlKey, bool altKey,
bool shiftKey, bool metaKey, bool isSimulated = false);
void initCoordinates();
void initCoordinates(const LayoutPoint& clientLocation);
virtual void receivedTarget() override final;
void computePageLocation();
void computeRelativePosition();
// Expose these so MouseEvent::initMouseEvent can set them.
IntPoint m_screenLocation;
LayoutPoint m_clientLocation;
LayoutPoint m_movementDelta;
private:
LayoutPoint m_pageLocation;
LayoutPoint m_layerLocation;
LayoutPoint m_offsetLocation;
LayoutPoint m_absoluteLocation;
bool m_isSimulated;
bool m_hasCachedRelativePosition;
};
} // namespace blink
#endif // MouseRelatedEvent_h
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