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/*
* Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE COMPUTER, INC. ``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 PlatformMouseEvent_h
#define PlatformMouseEvent_h
#include "platform/PlatformEvent.h"
#include "platform/geometry/IntPoint.h"
#include "public/platform/WebPointerProperties.h"
namespace blink {
// These button numbers match the ones used in the DOM API, 0 through 2, except for NoButton which is specified in PointerEvent
// spec but not in MouseEvent spec.
enum MouseButton { NoButton = -1, LeftButton, MiddleButton, RightButton };
class PlatformMouseEvent : public PlatformEvent {
public:
enum SyntheticEventType {
// Real mouse input events or synthetic events that behave just like real events
RealOrIndistinguishable,
// Synthetic mouse events derived from touch input
FromTouch,
// Synthetic mouse events generated without a position, for example those generated
// from keyboard input.
Positionless,
};
PlatformMouseEvent()
: PlatformEvent(PlatformEvent::MouseMoved)
, m_button(NoButton)
, m_clickCount(0)
, m_synthesized(RealOrIndistinguishable)
{
}
PlatformMouseEvent(const IntPoint& position, const IntPoint& globalPosition, MouseButton button, PlatformEvent::Type type, int clickCount, Modifiers modifiers, double timestamp)
: PlatformEvent(type, modifiers, timestamp)
, m_position(position)
, m_globalPosition(globalPosition)
, m_button(button)
, m_clickCount(clickCount)
, m_synthesized(RealOrIndistinguishable)
{
}
PlatformMouseEvent(const IntPoint& position, const IntPoint& globalPosition, MouseButton button, PlatformEvent::Type type, int clickCount, Modifiers modifiers, SyntheticEventType synthesized, double timestamp, WebPointerProperties::PointerType pointerType = WebPointerProperties::PointerType::Unknown)
: PlatformEvent(type, modifiers, timestamp)
, m_position(position)
, m_globalPosition(globalPosition)
, m_button(button)
, m_clickCount(clickCount)
, m_synthesized(synthesized)
{
m_pointerProperties.pointerType = pointerType;
}
const WebPointerProperties& pointerProperties() const { return m_pointerProperties; }
const IntPoint& position() const { return m_position; }
const IntPoint& globalPosition() const { return m_globalPosition; }
const IntPoint& movementDelta() const { return m_movementDelta; }
MouseButton button() const { return m_button; }
int clickCount() const { return m_clickCount; }
bool fromTouch() const { return m_synthesized == FromTouch; }
SyntheticEventType syntheticEventType() const { return m_synthesized; }
protected:
WebPointerProperties m_pointerProperties;
// In local root frame coordinates. (Except possibly if the Widget under
// the mouse is a popup, see FIXME in PlatformMouseEventBuilder).
IntPoint m_position;
// In screen coordinates.
IntPoint m_globalPosition;
IntPoint m_movementDelta;
MouseButton m_button;
int m_clickCount;
SyntheticEventType m_synthesized;
};
} // namespace blink
#endif // PlatformMouseEvent_h
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