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authorGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
committerGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
commit729d445b6885f69dd2c6355f38707bd42851c791 (patch)
treef87a7c408929ea3f57bbb7ace380cf869da83c0e /src/javascript/jsc/bindings/webcore/EventContext.h
parent25f820c6bf1d8ec6d444ef579cc036b8c0607b75 (diff)
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Diffstat (limited to 'src/javascript/jsc/bindings/webcore/EventContext.h')
-rw-r--r--src/javascript/jsc/bindings/webcore/EventContext.h162
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diff --git a/src/javascript/jsc/bindings/webcore/EventContext.h b/src/javascript/jsc/bindings/webcore/EventContext.h
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--- a/src/javascript/jsc/bindings/webcore/EventContext.h
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-/*
- * Copyright (C) 2010 Google Inc. All Rights Reserved.
- * Copyright (C) 2017 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.
- *
- */
-
-#pragma once
-
-#include "root.h"
-#include "Event.h"
-
-#include "Node.h"
-
-namespace WebCore {
-
-class EventContext {
- WTF_MAKE_FAST_ALLOCATED;
-
-public:
- using EventInvokePhase = EventTarget::EventInvokePhase;
-
- enum class Type : uint8_t {
- Normal = 0,
- MouseOrFocus,
- Touch,
- Window,
- };
-
- EventContext(Type, Node*, EventTarget* currentTarget, EventTarget* origin, int closedShadowDepth);
- EventContext(Type, Node&, Node* currentTarget, EventTarget* origin, int closedShadowDepth);
- ~EventContext();
-
- Node* node() const { return m_node.get(); }
- EventTarget* currentTarget() const { return m_currentTarget.get(); }
- // bool isCurrentTargetInShadowTree() const { return m_currentTargetIsInShadowTree; }
- bool isCurrentTargetInShadowTree() const { return false; }
- EventTarget* target() const { return m_target.get(); }
- // int closedShadowDepth() const { return m_closedShadowDepth; }
- int closedShadowDepth() const { return 0; }
-
- void handleLocalEvents(Event&, EventInvokePhase) const;
-
- // bool isMouseOrFocusEventContext() const { return m_type == Type::MouseOrFocus; }
- bool isMouseOrFocusEventContext() const { return false; }
- // bool isTouchEventContext() const { return m_type == Type::Touch; }
- bool isTouchEventContext() const { return false; }
- // bool isWindowContext() const { return m_type == Type::Window; }
- bool isWindowContext() const { return false; }
-
- Node* relatedTarget() const { return m_relatedTarget.get(); }
- void setRelatedTarget(Node*);
-
-#if ENABLE(TOUCH_EVENTS)
- enum TouchListType { Touches,
- TargetTouches,
- ChangedTouches };
- TouchList& touchList(TouchListType);
-#endif
-
-private:
- inline EventContext(Type, Node* currentNode, RefPtr<EventTarget>&& currentTarget, EventTarget* origin, int closedShadowDepth, bool currentTargetIsInShadowTree = false);
-
-#if ENABLE(TOUCH_EVENTS)
- void initializeTouchLists();
-#endif
-
-#if ASSERT_ENABLED
- bool isUnreachableNode(EventTarget*) const;
-#endif
-
- RefPtr<Node> m_node;
- RefPtr<EventTarget> m_currentTarget;
- RefPtr<EventTarget> m_target;
- RefPtr<Node> m_relatedTarget;
-#if ENABLE(TOUCH_EVENTS)
- RefPtr<TouchList> m_touches;
- RefPtr<TouchList> m_targetTouches;
- RefPtr<TouchList> m_changedTouches;
-#endif
- int m_closedShadowDepth { 0 };
- bool m_currentTargetIsInShadowTree { false };
- bool m_contextNodeIsFormElement { false };
- Type m_type { Type::Normal };
-};
-
-inline EventContext::EventContext(Type type, Node* node, RefPtr<EventTarget>&& currentTarget, EventTarget* origin, int closedShadowDepth, bool currentTargetIsInShadowTree)
- : m_node { node }
- , m_currentTarget { WTFMove(currentTarget) }
- , m_target { origin }
- , m_closedShadowDepth { closedShadowDepth }
- , m_currentTargetIsInShadowTree { currentTargetIsInShadowTree }
- , m_type { type }
-{
- // ASSERT(!isUnreachableNode(m_target.get()));
- // #if ENABLE(TOUCH_EVENTS)
- // if (m_type == Type::Touch)
- // initializeTouchLists();
- // #else
- // ASSERT(m_type != Type::Touch);
- // #endif
-}
-
-inline EventContext::EventContext(Type type, Node* node, EventTarget* currentTarget, EventTarget* origin, int closedShadowDepth)
- : EventContext(type, node, RefPtr { currentTarget }, origin, closedShadowDepth)
-{
- // ASSERT(!is<Node>(currentTarget));
-}
-
-// This variant avoids calling EventTarget::ref() which is a virtual function call.
-inline EventContext::EventContext(Type type, Node& node, Node* currentTarget, EventTarget* origin, int closedShadowDepth)
- : EventContext(type, &node, RefPtr { currentTarget }, origin, closedShadowDepth, false)
-{
- m_contextNodeIsFormElement = false;
- // m_contextNodeIsFormElement = is<HTMLFormElement>(node);
-}
-
-inline void EventContext::setRelatedTarget(Node* relatedTarget)
-{
- ASSERT(!isUnreachableNode(relatedTarget));
- m_relatedTarget = relatedTarget;
-}
-
-// #if ENABLE(TOUCH_EVENTS)
-
-// inline TouchList& EventContext::touchList(TouchListType type)
-// {
-// switch (type) {
-// case Touches:
-// return *m_touches;
-// case TargetTouches:
-// return *m_targetTouches;
-// case ChangedTouches:
-// return *m_changedTouches;
-// }
-// ASSERT_NOT_REACHED();
-// return *m_touches;
-// }
-
-// #endif
-
-} // namespace WebCore