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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef EventHandlerRegistry_h | 5 #ifndef EventHandlerRegistry_h |
| 6 #define EventHandlerRegistry_h | 6 #define EventHandlerRegistry_h |
| 7 | 7 |
| 8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "core/frame/FrameHost.h" | 9 #include "core/frame/FrameHost.h" |
| 10 #include "wtf/HashCountedSet.h" | 10 #include "wtf/HashCountedSet.h" |
| 11 | 11 |
| 12 namespace blink { | 12 namespace blink { |
| 13 | 13 |
| 14 class Document; | 14 class Document; |
| 15 class EventListenerOptions; | 15 class EventListenerOptions; |
| 16 class EventTarget; | 16 class EventTarget; |
| 17 | 17 |
| 18 typedef HashCountedSet<RawPtrWillBeUntracedMember<EventTarget>> EventTargetSet; | 18 typedef HashCountedSet<UntracedMember<EventTarget>> EventTargetSet; |
| 19 | 19 |
| 20 // Registry for keeping track of event handlers. Note that only handlers on | 20 // Registry for keeping track of event handlers. Note that only handlers on |
| 21 // documents that can be rendered or can receive input (i.e., are attached to a | 21 // documents that can be rendered or can receive input (i.e., are attached to a |
| 22 // FrameHost) are registered here. | 22 // FrameHost) are registered here. |
| 23 class CORE_EXPORT EventHandlerRegistry final : public NoBaseWillBeGarbageCollect
edFinalized<EventHandlerRegistry> { | 23 class CORE_EXPORT EventHandlerRegistry final : public GarbageCollectedFinalized<
EventHandlerRegistry> { |
| 24 USING_FAST_MALLOC_WILL_BE_REMOVED(EventHandlerRegistry); | |
| 25 public: | 24 public: |
| 26 explicit EventHandlerRegistry(FrameHost&); | 25 explicit EventHandlerRegistry(FrameHost&); |
| 27 virtual ~EventHandlerRegistry(); | 26 virtual ~EventHandlerRegistry(); |
| 28 | 27 |
| 29 // Supported event handler classes. Note that each one may correspond to | 28 // Supported event handler classes. Note that each one may correspond to |
| 30 // multiple event types. | 29 // multiple event types. |
| 31 enum EventHandlerClass { | 30 enum EventHandlerClass { |
| 32 ScrollEvent, | 31 ScrollEvent, |
| 33 WheelEventBlocking, | 32 WheelEventBlocking, |
| 34 WheelEventPassive, | 33 WheelEventPassive, |
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| 95 // Record a change operation to a given event handler class and notify any | 94 // Record a change operation to a given event handler class and notify any |
| 96 // parent registry and other clients accordingly. | 95 // parent registry and other clients accordingly. |
| 97 void updateEventHandlerOfType(ChangeOperation, const AtomicString& eventType
, const EventListenerOptions&, EventTarget*); | 96 void updateEventHandlerOfType(ChangeOperation, const AtomicString& eventType
, const EventListenerOptions&, EventTarget*); |
| 98 | 97 |
| 99 void updateEventHandlerInternal(ChangeOperation, EventHandlerClass, EventTar
get*); | 98 void updateEventHandlerInternal(ChangeOperation, EventHandlerClass, EventTar
get*); |
| 100 | 99 |
| 101 void updateAllEventHandlers(ChangeOperation, EventTarget&); | 100 void updateAllEventHandlers(ChangeOperation, EventTarget&); |
| 102 | 101 |
| 103 void checkConsistency() const; | 102 void checkConsistency() const; |
| 104 | 103 |
| 105 RawPtrWillBeMember<FrameHost> m_frameHost; | 104 Member<FrameHost> m_frameHost; |
| 106 EventTargetSet m_targets[EventHandlerClassCount]; | 105 EventTargetSet m_targets[EventHandlerClassCount]; |
| 107 }; | 106 }; |
| 108 | 107 |
| 109 } // namespace blink | 108 } // namespace blink |
| 110 | 109 |
| 111 #endif // EventHandlerRegistry_h | 110 #endif // EventHandlerRegistry_h |
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