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30 #include "core/events/NodeEventContext.h"
31 #include "core/events/TreeScopeEventContext.h"
32 #include "platform/heap/Handle.h"
33 #include "wtf/HashMap.h"
34 #include "wtf/Vector.h"
45 enum EventDispatchBehavior {
50 class EventPath FINAL : public NoBaseWillBeGarbageCollected<EventPath> {
52 explicit EventPath(Event*);
53 explicit EventPath(Node*);
54 void resetWith(Node*);
56 NodeEventContext& operator[](size_t index) { return m_nodeEventContexts[index]; }
57 const NodeEventContext& operator[](size_t index) const { return m_nodeEventContexts[index]; }
58 NodeEventContext& last() { return m_nodeEventContexts[size() - 1]; }
60 bool isEmpty() const { return m_nodeEventContexts.isEmpty(); }
61 size_t size() const { return m_nodeEventContexts.size(); }
63 void adjustForRelatedTarget(Node*, EventTarget* relatedTarget);
64 void adjustForTouchEvent(Node*, TouchEvent&);
66 static EventTarget* eventTargetRespectingTargetRules(Node*);
73 NodeEventContext& at(size_t index) { return m_nodeEventContexts[index]; }
75 void addNodeEventContext(Node*);
78 void calculateAdjustedTargets();
79 void calculateTreeScopePrePostOrderNumbers();
81 void shrink(size_t newSize) { m_nodeEventContexts.shrink(newSize); }
82 void shrinkIfNeeded(const Node* target, const EventTarget* relatedTarget);
84 void adjustTouchList(const Node*, const TouchList*, WillBeHeapVector<RawPtrWillBeMember<TouchList> > adjustedTouchList, const WillBeHeapVector<RawPtrWillBeMember<TreeScope> >& treeScopes);
86 typedef WillBeHeapHashMap<RawPtrWillBeMember<TreeScope>, RefPtrWillBeMember<TreeScopeEventContext> > TreeScopeEventContextMap;
87 TreeScopeEventContext* ensureTreeScopeEventContext(Node* currentTarget, TreeScope*, TreeScopeEventContextMap&);
89 typedef WillBeHeapHashMap<RawPtrWillBeMember<TreeScope>, RawPtrWillBeMember<EventTarget> > RelatedTargetMap;
91 static void buildRelatedNodeMap(const Node*, RelatedTargetMap&);
92 static EventTarget* findRelatedNode(TreeScope*, RelatedTargetMap&);
95 static void checkReachability(TreeScope&, TouchList&);
98 WillBeHeapVector<NodeEventContext, 64> m_nodeEventContexts;
99 RawPtrWillBeMember<Node> m_node;
100 RawPtrWillBeMember<Event> m_event;
101 WillBeHeapVector<RefPtrWillBeMember<TreeScopeEventContext> > m_treeScopeEventContexts;