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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
3 * Copyright (C) 2013 Google Inc. All Rights Reserved. | 3 * Copyright (C) 2013 Google Inc. All Rights Reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 * | 25 * |
26 */ | 26 */ |
27 | 27 |
28 #ifndef ContextLifecycleNotifier_h | 28 #ifndef ContextLifecycleNotifier_h |
29 #define ContextLifecycleNotifier_h | 29 #define ContextLifecycleNotifier_h |
30 | 30 |
31 #include "platform/LifecycleNotifier.h" | 31 #include "platform/LifecycleNotifier.h" |
32 #include "wtf/HashSet.h" | 32 #include "wtf/HashSet.h" |
33 #include "wtf/PassOwnPtr.h" | |
34 | 33 |
35 namespace blink { | 34 namespace blink { |
36 | 35 |
37 class ActiveDOMObject; | 36 class ActiveDOMObject; |
37 class ContextLifecycleObserver; | |
38 class ExecutionContext; | 38 class ExecutionContext; |
39 | 39 |
40 class ContextLifecycleNotifier : public LifecycleNotifier<ExecutionContext> { | 40 class ContextLifecycleNotifier : public LifecycleNotifier<ExecutionContext, Cont extLifecycleObserver> { |
41 public: | 41 public: |
42 typedef HashSet<ActiveDOMObject*> ActiveDOMObjectSet; | 42 void addObserver(ContextLifecycleObserver*); |
43 | 43 void removeObserver(ContextLifecycleObserver*); |
44 const ActiveDOMObjectSet& activeDOMObjects() const { return m_activeDOMObjec ts; } | |
45 | |
46 virtual void addObserver(Observer*) override; | |
47 virtual void removeObserver(Observer*) override; | |
48 | 44 |
49 void notifyResumingActiveDOMObjects(); | 45 void notifyResumingActiveDOMObjects(); |
50 void notifySuspendingActiveDOMObjects(); | 46 void notifySuspendingActiveDOMObjects(); |
51 void notifyStoppingActiveDOMObjects(); | 47 void notifyStoppingActiveDOMObjects(); |
52 | 48 |
49 using ActiveDOMObjectSet = HashSet<ActiveDOMObject*>; | |
50 | |
51 const ActiveDOMObjectSet& activeDOMObjects() const { return m_activeDOMObjec ts; } | |
haraken
2015/03/01 09:18:39
Why do we need to keep m_activeDOMObjects while we
sof
2015/03/01 10:00:39
We can remove it also if we accept iterating over
haraken
2015/03/01 10:47:56
Sure. Also I'm wondering if a right fix would be t
sof
2015/03/01 17:21:37
Once this change has proven itself and settled wel
| |
53 bool contains(ActiveDOMObject* object) const { return m_activeDOMObjects.con tains(object); } | 52 bool contains(ActiveDOMObject* object) const { return m_activeDOMObjects.con tains(object); } |
54 bool hasPendingActivity() const; | 53 bool hasPendingActivity() const; |
55 | 54 |
56 protected: | 55 protected: |
57 explicit ContextLifecycleNotifier(ExecutionContext*); | 56 explicit ContextLifecycleNotifier(ExecutionContext*); |
58 | 57 |
59 private: | 58 private: |
60 ActiveDOMObjectSet m_activeDOMObjects; | 59 ActiveDOMObjectSet m_activeDOMObjects; |
61 }; | 60 }; |
62 | 61 |
63 } // namespace blink | 62 } // namespace blink |
64 | 63 |
65 #endif // ContextLifecycleNotifier_h | 64 #endif // ContextLifecycleNotifier_h |
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