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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All Rights Reserved. | 2 * Copyright (C) 2013 Google Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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26 | 26 |
27 #include "core/dom/DocumentLifecycleNotifier.h" | 27 #include "core/dom/DocumentLifecycleNotifier.h" |
28 | 28 |
29 #include "core/dom/DocumentLifecycleObserver.h" | 29 #include "core/dom/DocumentLifecycleObserver.h" |
30 | 30 |
31 namespace blink { | 31 namespace blink { |
32 | 32 |
33 void DocumentLifecycleNotifier::notifyDocumentWasDetached() | 33 void DocumentLifecycleNotifier::notifyDocumentWasDetached() |
34 { | 34 { |
35 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); | 35 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); |
36 #if !ENABLE(OILPAN) | |
37 // Notifications perform unknown amounts of heap allocations, | |
38 // which might trigger (conservative) GCs. This will flush out | |
39 // dead observers, causing the _non-heap_ set be updated. Snapshot | |
40 // the observers and explicitly check if they're still alive before | |
41 // notifying. | |
42 Vector<RawPtr<DocumentLifecycleObserver>> snapshotOfObservers; | |
43 copyToVector(m_observers, snapshotOfObservers); | |
44 for (DocumentLifecycleObserver* observer : snapshotOfObservers) { | |
45 if (m_observers.contains(observer)) | |
46 observer->documentWasDetached(); | |
47 } | |
48 #else | |
49 for (DocumentLifecycleObserver* observer : m_observers) | 36 for (DocumentLifecycleObserver* observer : m_observers) |
50 observer->documentWasDetached(); | 37 observer->documentWasDetached(); |
51 #endif | |
52 } | 38 } |
53 | 39 |
54 #if !ENABLE(OILPAN) | |
55 void DocumentLifecycleNotifier::notifyDocumentWasDisposed() | |
56 { | |
57 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); | |
58 // Notifications perform unknown amounts of heap allocations, | |
59 // which might trigger (conservative) GCs. This will flush out | |
60 // dead observers, causing the _non-heap_ set be updated. Snapshot | |
61 // the observers and explicitly check if they're still alive before | |
62 // notifying. | |
63 Vector<RawPtr<DocumentLifecycleObserver>> snapshotOfObservers; | |
64 copyToVector(m_observers, snapshotOfObservers); | |
65 for (DocumentLifecycleObserver* observer : snapshotOfObservers) { | |
66 if (m_observers.contains(observer)) | |
67 observer->documentWasDisposed(); | |
68 } | |
69 } | |
70 #endif | |
71 | |
72 } // namespace blink | 40 } // namespace blink |
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