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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 "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->getScrollOffset()).scaledBy(scale);
}
Touch::Touch(LocalFrame* frame,
EventTarget* target,
int identifier,
const FloatPoint& screenPos,
const FloatPoint& pagePos,
const FloatSize& radius,
float rotationAngle,
float force,
String region)
: 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),
m_region(region) {
float scaleFactor = frame ? frame->pageZoomFactor() : 1.0f;
m_absoluteLocation = LayoutPoint(pagePos.scaledBy(scaleFactor));
}
Touch::Touch(EventTarget* target,
int identifier,
const FloatPoint& clientPos,
const FloatPoint& screenPos,
const FloatPoint& pagePos,
const FloatSize& radius,
float rotationAngle,
float force,
String region,
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_region(region),
m_absoluteLocation(absoluteLocation) {}
Touch::Touch(LocalFrame* frame, const TouchInit& initializer)
: m_target(initializer.target()),
m_identifier(initializer.identifier()),
m_clientPos(FloatPoint(initializer.clientX(), initializer.clientY())),
m_screenPos(FloatPoint(initializer.screenX(), initializer.screenY())),
m_pagePos(FloatPoint(initializer.pageX(), initializer.pageY())),
m_radius(FloatSize(initializer.radiusX(), initializer.radiusY())),
m_rotationAngle(initializer.rotationAngle()),
m_force(initializer.force()),
m_region(initializer.region()) {
float scaleFactor = frame ? frame->pageZoomFactor() : 1.0f;
m_absoluteLocation = LayoutPoint(m_pagePos.scaledBy(scaleFactor));
}
Touch* Touch::cloneWithNewTarget(EventTarget* eventTarget) const {
return new Touch(eventTarget, m_identifier, m_clientPos, m_screenPos,
m_pagePos, m_radius, m_rotationAngle, m_force, m_region,
m_absoluteLocation);
}
DEFINE_TRACE(Touch) {
visitor->trace(m_target);
}
} // namespace blink
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