1/* 2 * Copyright (C) 2014 Google Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 */ 26 27#ifndef NodeEventContext_h 28#define NodeEventContext_h 29 30#include "core/events/TreeScopeEventContext.h" 31#include "wtf/PassRefPtr.h" 32#include "wtf/RefPtr.h" 33 34namespace blink { 35 36class EventTarget; 37class Node; 38class TouchEventContext; 39 40class NodeEventContext { 41 ALLOW_ONLY_INLINE_ALLOCATION(); 42 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(NodeEventContext); 43public: 44 // FIXME: Use ContainerNode instead of Node. 45 NodeEventContext(PassRefPtrWillBeRawPtr<Node>, PassRefPtrWillBeRawPtr<EventTarget> currentTarget); 46 void trace(Visitor*); 47 48 Node* node() const { return m_node.get(); } 49 50 void setTreeScopeEventContext(PassRefPtrWillBeRawPtr<TreeScopeEventContext> prpTreeScopeEventContext) { m_treeScopeEventContext = prpTreeScopeEventContext; } 51 TreeScopeEventContext& treeScopeEventContext() { ASSERT(m_treeScopeEventContext); return *m_treeScopeEventContext; } 52 53 EventTarget* target() const { return m_treeScopeEventContext->target(); } 54 EventTarget* relatedTarget() const { return m_treeScopeEventContext->relatedTarget(); } 55 TouchEventContext* touchEventContext() const { return m_treeScopeEventContext->touchEventContext(); } 56 57 bool currentTargetSameAsTarget() const { return m_currentTarget.get() == target(); } 58 void handleLocalEvents(Event*) const; 59 60private: 61 RefPtrWillBeMember<Node> m_node; 62 RefPtrWillBeMember<EventTarget> m_currentTarget; 63 RefPtrWillBeMember<TreeScopeEventContext> m_treeScopeEventContext; 64}; 65 66} // namespace blink 67 68#if !ENABLE(OILPAN) 69WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::NodeEventContext); 70#else 71namespace WTF { 72template <> struct VectorTraits<blink::NodeEventContext> : SimpleClassVectorTraits<blink::NodeEventContext> { 73 static const bool needsDestruction = false; 74}; 75} 76#endif 77 78#endif // NodeEventContext_h 79