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/*
* Copyright (C) 2011-2020 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. 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.
*/
#pragma once
#include <wtf/OptionSet.h>
#include <wtf/UUID.h>
#include <wtf/WallTime.h>
namespace WebCore {
enum class EventHandling : uint8_t {
DispatchedToDOM = 1 << 0,
DefaultPrevented = 1 << 1,
DefaultHandled = 1 << 2,
};
enum class PlatformEventType : uint8_t {
NoType = 0,
// PlatformKeyboardEvent
KeyDown,
KeyUp,
RawKeyDown,
Char,
// PlatformMouseEvent
MouseMoved,
MousePressed,
MouseReleased,
MouseForceChanged,
MouseForceDown,
MouseForceUp,
MouseScroll,
// PlatformWheelEvent
Wheel,
#if ENABLE(TOUCH_EVENTS)
// PlatformTouchEvent
TouchStart,
TouchMove,
TouchEnd,
TouchCancel,
TouchForceChange,
#endif
#if ENABLE(MAC_GESTURE_EVENTS)
// PlatformGestureEvent
GestureStart,
GestureChange,
GestureEnd,
#endif
};
enum class PlatformEventModifier : uint8_t {
AltKey = 1 << 0,
ControlKey = 1 << 1,
MetaKey = 1 << 2,
ShiftKey = 1 << 3,
CapsLockKey = 1 << 4,
// Never used in native platforms but added for initEvent
AltGraphKey = 1 << 5,
};
class PlatformEvent {
public:
using Type = PlatformEventType;
using Modifier = PlatformEventModifier;
Type type() const { return m_type; }
bool shiftKey() const { return m_modifiers.contains(Modifier::ShiftKey); }
bool controlKey() const { return m_modifiers.contains(Modifier::ControlKey); }
bool altKey() const { return m_modifiers.contains(Modifier::AltKey); }
bool metaKey() const { return m_modifiers.contains(Modifier::MetaKey); }
OptionSet<Modifier> modifiers() const { return m_modifiers; }
WallTime timestamp() const { return m_timestamp; }
std::optional<WTF::UUID> authorizationToken() const { return m_authorizationToken; };
protected:
PlatformEvent()
: m_type(Type::NoType)
{
}
explicit PlatformEvent(Type type)
: m_type(type)
{
}
PlatformEvent(Type type, OptionSet<Modifier> modifiers, WallTime timestamp)
: m_timestamp(timestamp)
, m_type(type)
, m_modifiers(modifiers)
{
}
PlatformEvent(Type type, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey, WallTime timestamp)
: m_timestamp(timestamp)
, m_type(type)
{
if (shiftKey)
m_modifiers.add(Modifier::ShiftKey);
if (ctrlKey)
m_modifiers.add(Modifier::ControlKey);
if (altKey)
m_modifiers.add(Modifier::AltKey);
if (metaKey)
m_modifiers.add(Modifier::MetaKey);
}
// Explicit protected destructor so that people don't accidentally
// delete a PlatformEvent.
~PlatformEvent() = default;
WallTime m_timestamp;
Type m_type;
OptionSet<Modifier> m_modifiers;
std::optional<WTF::UUID> m_authorizationToken;
};
} // namespace WebCore
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