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/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* 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. ``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
* 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 "EventNames.h"
#include "Node.h"
#include "PlatformMouseEvent.h"
#include "PointerEventTypeNames.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(PointerEvent);
static AtomString pointerEventType(const AtomString& mouseEventType)
{
auto& names = eventNames();
if (mouseEventType == names.mousedownEvent)
return names.pointerdownEvent;
if (mouseEventType == names.mouseoverEvent)
return names.pointeroverEvent;
if (mouseEventType == names.mouseenterEvent)
return names.pointerenterEvent;
if (mouseEventType == names.mousemoveEvent)
return names.pointermoveEvent;
if (mouseEventType == names.mouseleaveEvent)
return names.pointerleaveEvent;
if (mouseEventType == names.mouseoutEvent)
return names.pointeroutEvent;
if (mouseEventType == names.mouseupEvent)
return names.pointerupEvent;
return nullAtom();
}
RefPtr<PointerEvent> PointerEvent::create(MouseButton button, const MouseEvent& mouseEvent, PointerID pointerId, const String& pointerType)
{
auto type = pointerEventType(mouseEvent.type());
if (type.isEmpty())
return nullptr;
return create(type, button, mouseEvent, pointerId, pointerType);
}
Ref<PointerEvent> PointerEvent::create(const AtomString& type, MouseButton button, const MouseEvent& mouseEvent, PointerID pointerId, const String& pointerType)
{
return adoptRef(*new PointerEvent(type, button, mouseEvent, pointerId, pointerType));
}
Ref<PointerEvent> PointerEvent::create(const AtomString& type, PointerID pointerId, const String& pointerType, IsPrimary isPrimary)
{
return adoptRef(*new PointerEvent(type, pointerId, pointerType, isPrimary));
}
PointerEvent::PointerEvent() = default;
PointerEvent::PointerEvent(const AtomString& type, Init&& initializer)
: MouseEvent(type, initializer)
, m_pointerId(initializer.pointerId)
, m_width(initializer.width)
, m_height(initializer.height)
, m_pressure(initializer.pressure)
, m_tangentialPressure(initializer.tangentialPressure)
, m_tiltX(initializer.tiltX)
, m_tiltY(initializer.tiltY)
, m_twist(initializer.twist)
, m_pointerType(initializer.pointerType)
, m_isPrimary(initializer.isPrimary)
{
}
PointerEvent::PointerEvent(const AtomString& type, MouseButton button, const MouseEvent& mouseEvent, PointerID pointerId, const String& pointerType)
: MouseEvent(type, typeCanBubble(type), typeIsCancelable(type), typeIsComposed(type), mouseEvent.view(), mouseEvent.detail(), mouseEvent.screenLocation(),
{ mouseEvent.clientX(), mouseEvent.clientY() }, mouseEvent.movementX(), mouseEvent.movementY(), mouseEvent.modifierKeys(), button, mouseEvent.buttons(),
mouseEvent.syntheticClickType(), mouseEvent.relatedTarget())
, m_pointerId(pointerId)
// MouseEvent is a misnomer in this context, and can represent events from a pressure sensitive input device if the pointer type is "Pen" or "Touch".
// If it does represent a pressure sensitive input device, we consult MouseEvent::force() for the event pressure, else we fall back to spec defaults.
, m_pressure(pointerType != mousePointerEventType() ? std::clamp(mouseEvent.force(), 0., 1.) : pressureForPressureInsensitiveInputDevices(buttons()))
, m_pointerType(pointerType)
, m_isPrimary(true)
{
}
PointerEvent::PointerEvent(const AtomString& type, PointerID pointerId, const String& pointerType, IsPrimary isPrimary)
: MouseEvent(type, typeCanBubble(type), typeIsCancelable(type), typeIsComposed(type), nullptr, 0, { }, { }, 0, 0, { }, buttonForType(type), buttonsForType(type), SyntheticClickType::NoTap, nullptr)
, m_pointerId(pointerId)
// FIXME: This may be wrong because we can create an event from a pressure sensitive device.
// We don't have a backing MouseEvent to consult pressure/force information from, though, so let's do the next best thing.
, m_pressure(pressureForPressureInsensitiveInputDevices(buttons()))
, m_pointerType(pointerType)
, m_isPrimary(isPrimary == IsPrimary::Yes)
{
}
PointerEvent::~PointerEvent() = default;
EventInterface PointerEvent::eventInterface() const
{
return PointerEventInterfaceType;
}
} // namespace WebCore
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