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/*
* Copyright (C) 2023 Pengutronix e.K.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "PointerEvent.h"
#include "PlatformMouseEvent.h"
#if ENABLE(TOUCH_EVENTS)
#include "EventNames.h"
#include "PlatformTouchEvent.h"
namespace WebCore {
static const AtomString& pointerEventType(PlatformTouchPoint::State state)
{
switch (state) {
case PlatformTouchPoint::State::TouchPressed:
return eventNames().pointerdownEvent;
case PlatformTouchPoint::State::TouchMoved:
return eventNames().pointermoveEvent;
case PlatformTouchPoint::State::TouchStationary:
return eventNames().pointermoveEvent;
case PlatformTouchPoint::State::TouchReleased:
return eventNames().pointerupEvent;
case PlatformTouchPoint::State::TouchCancelled:
return eventNames().pointercancelEvent;
case PlatformTouchPoint::State::TouchStateEnd:
break;
}
ASSERT_NOT_REACHED();
return nullAtom();
}
Ref<PointerEvent> PointerEvent::create(const PlatformTouchEvent& event, const Vector<Ref<PointerEvent>>& coalescedEvents, const Vector<Ref<PointerEvent>>& predictedEvents, unsigned index, bool isPrimary, Ref<WindowProxy>&& view, const DoublePoint& touchDelta)
{
const auto& type = pointerEventType(event.touchPoints().at(index).state());
return adoptRef(*new PointerEvent(type, event, coalescedEvents, predictedEvents, typeCanBubble(type), typeIsCancelable(type), index, isPrimary, WTFMove(view), touchDelta));
}
Ref<PointerEvent> PointerEvent::create(const PlatformTouchEvent& event, const Vector<Ref<PointerEvent>>& coalescedEvents, const Vector<Ref<PointerEvent>>& predictedEvents, CanBubble canBubble, IsCancelable isCancelable, unsigned index, bool isPrimary, Ref<WindowProxy>&& view, const DoublePoint& touchDelta)
{
const auto& type = pointerEventType(event.touchPoints().at(index).state());
return adoptRef(*new PointerEvent(type, event, coalescedEvents, predictedEvents, canBubble, isCancelable, index, isPrimary, WTFMove(view), touchDelta));
}
Ref<PointerEvent> PointerEvent::create(const AtomString& type, const PlatformTouchEvent& event, const Vector<Ref<PointerEvent>>& coalescedEvents, const Vector<Ref<PointerEvent>>& predictedEvents, unsigned index, bool isPrimary, Ref<WindowProxy>&& view, const DoublePoint& touchDelta)
{
return adoptRef(*new PointerEvent(type, event, coalescedEvents, predictedEvents, typeCanBubble(type), typeIsCancelable(type), index, isPrimary, WTFMove(view), touchDelta));
}
// According to the PointerEvents spec all active pointer ids have to be unique.
// Libinput on Linux assigns the ids of the touchpoints starting at 0, but
// the ids 0 and 1 are used for the pointer ids of mouse and pen/stylus.
static constexpr unsigned touchMinimumPointerId = WebCore::mousePointerID + 1;
PointerEvent::PointerEvent(const AtomString& type, const PlatformTouchEvent& event, const Vector<Ref<PointerEvent>>& coalescedEvents, const Vector<Ref<PointerEvent>>& predictedEvents, CanBubble canBubble, IsCancelable isCancelable, unsigned index, bool isPrimary, Ref<WindowProxy>&& view, const DoublePoint& touchDelta)
: MouseEvent(EventInterfaceType::PointerEvent, type, canBubble, isCancelable, typeIsComposed(type), event.timestamp(), WTFMove(view), 0, event.touchPoints().at(index).pos(), event.touchPoints().at(index).pos(), touchDelta.x(), touchDelta.y(), event.modifiers(), buttonForType(type), buttonsForType(type), nullptr, 0, SyntheticClickType::NoTap, { }, { }, IsSimulated::No, IsTrusted::Yes)
, m_pointerId(touchMinimumPointerId + event.touchPoints().at(index).id())
, m_width(2 * event.touchPoints().at(index).radius().width())
, m_height(2 * event.touchPoints().at(index).radius().height())
, m_pressure(event.touchPoints().at(index).force())
, m_pointerType(touchPointerEventType())
, m_isPrimary(isPrimary)
, m_coalescedEvents(coalescedEvents)
, m_predictedEvents(predictedEvents)
{
}
} // namespace WebCore
#endif // ENABLE(TOUCH_EVENTS)
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