159 lines
4.5 KiB
C++
159 lines
4.5 KiB
C++
/*
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* Copyright (C) 2011-2020 Apple Inc. All rights reserved.
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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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* 1. 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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* 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/OptionSet.h>
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#include <wtf/WallTime.h>
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namespace WebCore {
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enum class EventHandling : uint8_t {
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DispatchedToDOM = 1 << 0,
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DefaultPrevented = 1 << 1,
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DefaultHandled = 1 << 2,
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};
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class PlatformEvent {
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public:
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enum Type : uint8_t {
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NoType = 0,
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// PlatformKeyboardEvent
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KeyDown,
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KeyUp,
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RawKeyDown,
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Char,
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// PlatformMouseEvent
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MouseMoved,
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MousePressed,
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MouseReleased,
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MouseForceChanged,
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MouseForceDown,
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MouseForceUp,
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MouseScroll,
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// PlatformWheelEvent
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Wheel,
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#if ENABLE(TOUCH_EVENTS)
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// PlatformTouchEvent
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TouchStart,
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TouchMove,
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TouchEnd,
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TouchCancel,
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TouchForceChange,
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#endif
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#if ENABLE(MAC_GESTURE_EVENTS)
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// PlatformGestureEvent
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GestureStart,
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GestureChange,
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GestureEnd,
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#endif
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};
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enum class Modifier : uint8_t {
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AltKey = 1 << 0,
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ControlKey = 1 << 1,
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MetaKey = 1 << 2,
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ShiftKey = 1 << 3,
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CapsLockKey = 1 << 4,
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// Never used in native platforms but added for initEvent
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AltGraphKey = 1 << 5,
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};
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Type type() const { return static_cast<Type>(m_type); }
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bool shiftKey() const { return m_modifiers.contains(Modifier::ShiftKey); }
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bool controlKey() const { return m_modifiers.contains(Modifier::ControlKey); }
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bool altKey() const { return m_modifiers.contains(Modifier::AltKey); }
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bool metaKey() const { return m_modifiers.contains(Modifier::MetaKey); }
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OptionSet<Modifier> modifiers() const { return m_modifiers; }
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WallTime timestamp() const { return m_timestamp; }
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protected:
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PlatformEvent()
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: m_type(NoType)
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{
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}
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explicit PlatformEvent(Type type)
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: m_type(type)
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{
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}
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PlatformEvent(Type type, OptionSet<Modifier> modifiers, WallTime timestamp)
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: m_timestamp(timestamp)
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, m_type(type)
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, m_modifiers(modifiers)
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{
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}
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PlatformEvent(Type type, bool shiftKey, bool ctrlKey, bool altKey, bool metaKey, WallTime timestamp)
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: m_timestamp(timestamp)
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, m_type(type)
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{
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if (shiftKey)
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m_modifiers.add(Modifier::ShiftKey);
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if (ctrlKey)
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m_modifiers.add(Modifier::ControlKey);
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if (altKey)
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m_modifiers.add(Modifier::AltKey);
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if (metaKey)
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m_modifiers.add(Modifier::MetaKey);
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}
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// Explicit protected destructor so that people don't accidentally
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// delete a PlatformEvent.
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~PlatformEvent() = default;
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WallTime m_timestamp;
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unsigned m_type;
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OptionSet<Modifier> m_modifiers;
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};
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} // namespace WebCore
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namespace WTF {
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template<> struct EnumTraits<WebCore::PlatformEvent::Modifier> {
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using values = EnumValues<
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WebCore::PlatformEvent::Modifier,
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WebCore::PlatformEvent::Modifier::AltKey,
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WebCore::PlatformEvent::Modifier::ControlKey,
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WebCore::PlatformEvent::Modifier::MetaKey,
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WebCore::PlatformEvent::Modifier::ShiftKey,
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WebCore::PlatformEvent::Modifier::CapsLockKey,
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WebCore::PlatformEvent::Modifier::AltGraphKey
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>;
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};
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} // namespace WTF
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