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/*
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
* Copyright (C) 2003, 2005, 2006, 2008, 2010, 2013 Apple Inc. All rights reserved.
* Copyright (C) 2013 Samsung Electronics. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WheelEvent.h"
#include "Clipboard.h"
#include "EventNames.h"
#include "PlatformWheelEvent.h"
#include <wtf/MathExtras.h>
namespace WebCore {
WheelEventInit::WheelEventInit()
: deltaX(0)
, deltaY(0)
, deltaZ(0)
, deltaMode(WheelEvent::DOM_DELTA_PIXEL)
, wheelDeltaX(0)
, wheelDeltaY(0)
{
}
WheelEvent::WheelEvent()
: m_deltaX(0)
, m_deltaY(0)
, m_deltaZ(0)
, m_deltaMode(DOM_DELTA_PIXEL)
, m_directionInvertedFromDevice(false)
{
}
WheelEvent::WheelEvent(const AtomicString& type, const WheelEventInit& initializer)
: MouseEvent(type, initializer)
, m_wheelDelta(initializer.wheelDeltaX ? initializer.wheelDeltaX : -initializer.deltaX, initializer.wheelDeltaY ? initializer.wheelDeltaY : -initializer.deltaY)
, m_deltaX(initializer.deltaX ? initializer.deltaX : -initializer.wheelDeltaX)
, m_deltaY(initializer.deltaY ? initializer.deltaY : -initializer.wheelDeltaY)
, m_deltaZ(initializer.deltaZ)
, m_deltaMode(initializer.deltaMode)
{
}
WheelEvent::WheelEvent(const FloatPoint& wheelTicks, const FloatPoint& rawDelta, unsigned deltaMode,
PassRefPtr<AbstractView> view, const IntPoint& screenLocation, const IntPoint& pageLocation,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool directionInvertedFromDevice, double timestamp)
: MouseEvent(eventNames().wheelEvent,
true, true, timestamp, view, 0, screenLocation.x(), screenLocation.y(),
pageLocation.x(), pageLocation.y(),
#if ENABLE(POINTER_LOCK)
0, 0,
#endif
ctrlKey, altKey, shiftKey, metaKey, 0, 0, 0, false)
, m_wheelDelta(wheelTicks.x() * TickMultiplier, wheelTicks.y() * TickMultiplier)
, m_deltaX(-rawDelta.x())
, m_deltaY(-rawDelta.y())
, m_deltaZ(0)
, m_deltaMode(deltaMode)
, m_directionInvertedFromDevice(directionInvertedFromDevice)
{
}
void WheelEvent::initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
{
if (dispatched())
return;
initUIEvent(eventNames().wheelEvent, true, true, view, 0);
m_screenLocation = IntPoint(screenX, screenY);
m_ctrlKey = ctrlKey;
m_altKey = altKey;
m_shiftKey = shiftKey;
m_metaKey = metaKey;
// Normalize to 120 multiple for compatibility with IE.
m_wheelDelta = IntPoint(rawDeltaX * TickMultiplier, rawDeltaY * TickMultiplier);
m_deltaX = -rawDeltaX;
m_deltaY = -rawDeltaY;
m_deltaMode = DOM_DELTA_PIXEL;
m_directionInvertedFromDevice = false;
initCoordinates(IntPoint(pageX, pageY));
}
void WheelEvent::initWebKitWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view,
int screenX, int screenY, int pageX, int pageY,
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
{
initWheelEvent(rawDeltaX, rawDeltaY, view, screenX, screenY, pageX, pageY,
ctrlKey, altKey, shiftKey, metaKey);
}
EventInterface WheelEvent::eventInterface() const
{
return WheelEventInterfaceType;
}
bool WheelEvent::isMouseEvent() const
{
return false;
}
} // namespace WebCore
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