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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.
*/
#include "config.h"
#include "core/dom/Touch.h"
#include "core/frame/FrameView.h"
#include "core/frame/LocalFrame.h"
#include "platform/geometry/FloatPoint.h"
namespace blink {
static FloatPoint contentsOffset(LocalFrame* frame)
{
if (!frame)
return FloatPoint();
FrameView* frameView = frame->view();
if (!frameView)
return FloatPoint();
float scale = 1.0f / frame->pageZoomFactor();
return FloatPoint(frameView->scrollPosition()).scaledBy(scale);
}
Touch::Touch(LocalFrame* frame, EventTarget* target, unsigned identifier, const FloatPoint& screenPos, const FloatPoint& pagePos, const FloatSize& radius, float rotationAngle, float force)
: m_target(target)
, m_identifier(identifier)
, m_clientPos(pagePos - contentsOffset(frame))
, m_screenPos(screenPos)
, m_pagePos(pagePos)
, m_radius(radius)
, m_rotationAngle(rotationAngle)
, m_force(force)
{
float scaleFactor = frame ? frame->pageZoomFactor() : 1.0f;
m_absoluteLocation = roundedLayoutPoint(pagePos.scaledBy(scaleFactor));
}
Touch::Touch(EventTarget* target, unsigned identifier, const FloatPoint& clientPos, const FloatPoint& screenPos, const FloatPoint& pagePos, const FloatSize& radius, float rotationAngle, float force, LayoutPoint absoluteLocation)
: m_target(target)
, m_identifier(identifier)
, m_clientPos(clientPos)
, m_screenPos(screenPos)
, m_pagePos(pagePos)
, m_radius(radius)
, m_rotationAngle(rotationAngle)
, m_force(force)
, m_absoluteLocation(absoluteLocation)
{
}
PassRefPtrWillBeRawPtr<Touch> Touch::cloneWithNewTarget(EventTarget* eventTarget) const
{
return adoptRefWillBeNoop(new Touch(eventTarget, m_identifier, m_clientPos, m_screenPos, m_pagePos, m_radius, m_rotationAngle, m_force, m_absoluteLocation));
}
void Touch::trace(Visitor* visitor)
{
visitor->trace(m_target);
}
} // namespace blink
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