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108 lines
4.4 KiB
C++
108 lines
4.4 KiB
C++
/*
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* Copyright 2008, The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef Touch_h
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#define Touch_h
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#include "bindings/core/v8/ScriptWrappable.h"
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#include "core/events/EventTarget.h"
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#include "platform/geometry/FloatPoint.h"
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#include "platform/geometry/FloatSize.h"
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#include "platform/geometry/LayoutPoint.h"
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#include "platform/heap/Handle.h"
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#include "wtf/PassRefPtr.h"
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#include "wtf/RefCounted.h"
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#include "wtf/RefPtr.h"
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namespace blink {
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class LocalFrame;
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class Touch FINAL : public RefCountedWillBeGarbageCollected<Touch>, public ScriptWrappable {
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DEFINE_WRAPPERTYPEINFO();
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public:
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static PassRefPtrWillBeRawPtr<Touch> create(LocalFrame* frame, EventTarget* target,
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unsigned identifier, const FloatPoint& screenPos, const FloatPoint& pagePos,
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const FloatSize& radius, float rotationAngle, float force)
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{
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return adoptRefWillBeNoop(
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new Touch(frame, target, identifier, screenPos, pagePos, radius, rotationAngle, force));
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}
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// DOM Touch implementation
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EventTarget* target() const { return m_target.get(); }
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unsigned identifier() const { return m_identifier; }
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double clientX() const { return m_clientPos.x(); }
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double clientY() const { return m_clientPos.y(); }
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double screenX() const { return m_screenPos.x(); }
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double screenY() const { return m_screenPos.y(); }
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double pageX() const { return m_pagePos.x(); }
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double pageY() const { return m_pagePos.y(); }
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double radiusX() const { return m_radius.width(); }
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double webkitRadiusX() const { return m_radius.width(); }
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double radiusY() const { return m_radius.height(); }
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double webkitRadiusY() const { return m_radius.height(); }
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float webkitRotationAngle() const { return m_rotationAngle; }
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float force() const { return m_force; }
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float webkitForce() const { return m_force; }
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// Blink-internal methods
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const LayoutPoint& absoluteLocation() const { return m_absoluteLocation; }
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const FloatPoint& screenLocation() const { return m_screenPos; }
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PassRefPtrWillBeRawPtr<Touch> cloneWithNewTarget(EventTarget*) const;
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void trace(Visitor*);
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private:
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Touch(LocalFrame* frame, EventTarget* target, unsigned identifier,
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const FloatPoint& screenPos, const FloatPoint& pagePos,
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const FloatSize& radius, float rotationAngle, float force);
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Touch(EventTarget*, unsigned identifier, const FloatPoint& clientPos,
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const FloatPoint& screenPos, const FloatPoint& pagePos,
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const FloatSize& radius, float rotationAngle, float force, LayoutPoint absoluteLocation);
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RefPtrWillBeMember<EventTarget> m_target;
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unsigned m_identifier;
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// Position relative to the viewport in CSS px.
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FloatPoint m_clientPos;
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// Position relative to the screen in DIPs.
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FloatPoint m_screenPos;
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// Position relative to the page in CSS px.
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FloatPoint m_pagePos;
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// Radius in CSS px.
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FloatSize m_radius;
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float m_rotationAngle;
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float m_force;
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// FIXME(rbyers): Shouldn't we be able to migrate callers to relying on screenPos, pagePos
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// or clientPos? absoluteLocation appears to be the same as pagePos but without browser
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// scale applied.
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LayoutPoint m_absoluteLocation;
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};
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} // namespace blink
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#endif // Touch_h
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