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/*
* 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 Touch_h
#define Touch_h
#include "bindings/core/v8/ScriptWrappable.h"
#include "core/events/EventTarget.h"
#include "platform/geometry/FloatPoint.h"
#include "platform/geometry/FloatSize.h"
#include "platform/geometry/LayoutPoint.h"
#include "platform/heap/Handle.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
namespace blink {
class LocalFrame;
class Touch final : public RefCountedWillBeGarbageCollected<Touch>, public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
static PassRefPtrWillBeRawPtr<Touch> create(LocalFrame* frame, EventTarget* target,
unsigned identifier, const FloatPoint& screenPos, const FloatPoint& pagePos,
const FloatSize& radius, float rotationAngle, float force)
{
return adoptRefWillBeNoop(
new Touch(frame, target, identifier, screenPos, pagePos, radius, rotationAngle, force));
}
// DOM Touch implementation
EventTarget* target() const { return m_target.get(); }
unsigned identifier() const { return m_identifier; }
double clientX() const { return m_clientPos.x(); }
double clientY() const { return m_clientPos.y(); }
double screenX() const { return m_screenPos.x(); }
double screenY() const { return m_screenPos.y(); }
double pageX() const { return m_pagePos.x(); }
double pageY() const { return m_pagePos.y(); }
double radiusX() const { return m_radius.width(); }
double webkitRadiusX() const { return m_radius.width(); }
double radiusY() const { return m_radius.height(); }
double webkitRadiusY() const { return m_radius.height(); }
float webkitRotationAngle() const { return m_rotationAngle; }
float force() const { return m_force; }
float webkitForce() const { return m_force; }
// Blink-internal methods
const LayoutPoint& absoluteLocation() const { return m_absoluteLocation; }
const FloatPoint& screenLocation() const { return m_screenPos; }
PassRefPtrWillBeRawPtr<Touch> cloneWithNewTarget(EventTarget*) const;
void trace(Visitor*);
private:
Touch(LocalFrame* frame, EventTarget* target, unsigned identifier,
const FloatPoint& screenPos, const FloatPoint& pagePos,
const FloatSize& radius, float rotationAngle, float force);
Touch(EventTarget*, unsigned identifier, const FloatPoint& clientPos,
const FloatPoint& screenPos, const FloatPoint& pagePos,
const FloatSize& radius, float rotationAngle, float force, LayoutPoint absoluteLocation);
RefPtrWillBeMember<EventTarget> m_target;
unsigned m_identifier;
// Position relative to the viewport in CSS px.
FloatPoint m_clientPos;
// Position relative to the screen in DIPs.
FloatPoint m_screenPos;
// Position relative to the page in CSS px.
FloatPoint m_pagePos;
// Radius in CSS px.
FloatSize m_radius;
float m_rotationAngle;
float m_force;
// FIXME(rbyers): Shouldn't we be able to migrate callers to relying on screenPos, pagePos
// or clientPos? absoluteLocation appears to be the same as pagePos but without browser
// scale applied.
LayoutPoint m_absoluteLocation;
};
} // namespace blink
#endif // Touch_h
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