108 lines
3.6 KiB
C++
108 lines
3.6 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 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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#include "config.h"
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#if ENABLE(TOUCH_EVENTS)
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#include "Touch.h"
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#include "DOMWindow.h"
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#include "Frame.h"
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#include "FrameView.h"
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namespace WebCore {
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static int contentsX(Frame* frame)
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{
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if (!frame)
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return 0;
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FrameView* frameView = frame->view();
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if (!frameView)
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return 0;
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return frameView->scrollX() / frame->pageZoomFactor() / frame->frameScaleFactor();
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}
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static int contentsY(Frame* frame)
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{
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if (!frame)
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return 0;
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FrameView* frameView = frame->view();
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if (!frameView)
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return 0;
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return frameView->scrollY() / frame->pageZoomFactor() / frame->frameScaleFactor();
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}
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static LayoutPoint scaledLocation(Frame* frame, int pageX, int pageY)
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{
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if (!frame)
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return { pageX, pageY };
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float scaleFactor = frame->pageZoomFactor() * frame->frameScaleFactor();
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return { pageX * scaleFactor, pageY * scaleFactor };
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}
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Touch::Touch(Frame* frame, EventTarget* target, unsigned identifier, int screenX, int screenY, int pageX, int pageY, int radiusX, int radiusY, float rotationAngle, float force)
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: m_target(target)
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, m_identifier(identifier)
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, m_clientX(pageX - contentsX(frame))
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, m_clientY(pageY - contentsY(frame))
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, m_screenX(screenX)
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, m_screenY(screenY)
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, m_pageX(pageX)
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, m_pageY(pageY)
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, m_radiusX(radiusX)
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, m_radiusY(radiusY)
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, m_rotationAngle(rotationAngle)
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, m_force(force)
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, m_absoluteLocation(scaledLocation(frame, pageX, pageY))
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{
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}
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Touch::Touch(EventTarget* target, unsigned identifier, int clientX, int clientY, int screenX, int screenY, int pageX, int pageY, int radiusX, int radiusY, float rotationAngle, float force, LayoutPoint absoluteLocation)
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: m_target(target)
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, m_identifier(identifier)
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, m_clientX(clientX)
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, m_clientY(clientY)
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, m_screenX(screenX)
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, m_screenY(screenY)
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, m_pageX(pageX)
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, m_pageY(pageY)
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, m_radiusX(radiusX)
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, m_radiusY(radiusY)
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, m_rotationAngle(rotationAngle)
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, m_force(force)
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, m_absoluteLocation(absoluteLocation)
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{
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}
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Ref<Touch> Touch::cloneWithNewTarget(EventTarget* eventTarget) const
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{
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return adoptRef(*new Touch(eventTarget, m_identifier, m_clientX, m_clientY, m_screenX, m_screenY, m_pageX, m_pageY, m_radiusX, m_radiusY, m_rotationAngle, m_force, m_absoluteLocation));
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}
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} // namespace WebCore
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#endif
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