143 lines
6.0 KiB
C++
143 lines
6.0 KiB
C++
/*
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* Copyright (C) 2018 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "EventNames.h"
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#include "MouseEvent.h"
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#include "PointerEventTypeNames.h"
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#include "PointerID.h"
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#include <wtf/text/WTFString.h>
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#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS_FAMILY)
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#include "PlatformTouchEventIOS.h"
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#endif
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namespace WebCore {
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class Node;
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class PointerEvent final : public MouseEvent {
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WTF_MAKE_ISO_ALLOCATED(PointerEvent);
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public:
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struct Init : MouseEventInit {
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PointerID pointerId { mousePointerID };
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double width { 1 };
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double height { 1 };
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float pressure { 0 };
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float tangentialPressure { 0 };
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long tiltX { 0 };
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long tiltY { 0 };
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long twist { 0 };
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String pointerType { mousePointerEventType() };
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bool isPrimary { false };
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};
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enum class IsPrimary : uint8_t { No, Yes };
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static Ref<PointerEvent> create(const AtomString& type, Init&& initializer)
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{
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return adoptRef(*new PointerEvent(type, WTFMove(initializer)));
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}
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static Ref<PointerEvent> createForPointerCapture(const AtomString& type, PointerID pointerId, bool isPrimary, String pointerType)
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{
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Init initializer;
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initializer.bubbles = true;
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initializer.pointerId = pointerId;
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initializer.isPrimary = isPrimary;
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initializer.pointerType = pointerType;
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return adoptRef(*new PointerEvent(type, WTFMove(initializer)));
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}
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static Ref<PointerEvent> createForBindings()
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{
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return adoptRef(*new PointerEvent);
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}
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static RefPtr<PointerEvent> create(short button, const MouseEvent&, PointerID, const String& pointerType);
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static Ref<PointerEvent> create(const String& type, short button, const MouseEvent&, PointerID, const String& pointerType);
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static Ref<PointerEvent> create(const String& type, PointerID, const String& pointerType, IsPrimary = IsPrimary::No);
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#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS_FAMILY)
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static Ref<PointerEvent> create(const PlatformTouchEvent&, unsigned touchIndex, bool isPrimary, Ref<WindowProxy>&&);
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static Ref<PointerEvent> create(const String& type, const PlatformTouchEvent&, unsigned touchIndex, bool isPrimary, Ref<WindowProxy>&&);
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#endif
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virtual ~PointerEvent();
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PointerID pointerId() const { return m_pointerId; }
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double width() const { return m_width; }
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double height() const { return m_height; }
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float pressure() const { return m_pressure; }
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float tangentialPressure() const { return m_tangentialPressure; }
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long tiltX() const { return m_tiltX; }
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long tiltY() const { return m_tiltY; }
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long twist() const { return m_twist; }
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String pointerType() const { return m_pointerType; }
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bool isPrimary() const { return m_isPrimary; }
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bool isPointerEvent() const final { return true; }
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// https://w3c.github.io/pointerevents/#attributes-and-default-actions
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// Many user agents expose non-standard attributes fromElement and toElement in MouseEvents to
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// support legacy content. In those user agents, the values of those (inherited) attributes in
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// PointerEvents must be null to encourage the use of the standardized alternates (i.e. target
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// and relatedTarget).
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RefPtr<Node> toElement() const final { return nullptr; }
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RefPtr<Node> fromElement() const final { return nullptr; }
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EventInterface eventInterface() const override;
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private:
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static bool typeIsEnterOrLeave(const AtomString& type) { return type == eventNames().pointerenterEvent || type == eventNames().pointerleaveEvent; }
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static CanBubble typeCanBubble(const AtomString& type) { return typeIsEnterOrLeave(type) ? CanBubble::No : CanBubble::Yes; }
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static IsCancelable typeIsCancelable(const AtomString& type) { return typeIsEnterOrLeave(type) ? IsCancelable::No : IsCancelable::Yes; }
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static IsComposed typeIsComposed(const AtomString& type) { return typeIsEnterOrLeave(type) ? IsComposed::No : IsComposed::Yes; }
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PointerEvent();
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PointerEvent(const AtomString&, Init&&);
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PointerEvent(const AtomString& type, short button, const MouseEvent&, PointerID, const String& pointerType);
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PointerEvent(const AtomString& type, PointerID, const String& pointerType, IsPrimary);
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#if ENABLE(TOUCH_EVENTS) && PLATFORM(IOS_FAMILY)
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PointerEvent(const AtomString& type, const PlatformTouchEvent&, IsCancelable isCancelable, unsigned touchIndex, bool isPrimary, Ref<WindowProxy>&&);
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#endif
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PointerID m_pointerId { mousePointerID };
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double m_width { 1 };
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double m_height { 1 };
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float m_pressure { 0 };
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float m_tangentialPressure { 0 };
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long m_tiltX { 0 };
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long m_tiltY { 0 };
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long m_twist { 0 };
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String m_pointerType { mousePointerEventType() };
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bool m_isPrimary { false };
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_EVENT(PointerEvent)
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