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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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25 | 25 |
26 #include "core/frame/DOMWindowLifecycleNotifier.h" | 26 #include "core/frame/DOMWindowLifecycleNotifier.h" |
27 | 27 |
28 #include "core/frame/DOMWindowLifecycleObserver.h" | 28 #include "core/frame/DOMWindowLifecycleObserver.h" |
29 | 29 |
30 namespace blink { | 30 namespace blink { |
31 | 31 |
32 void DOMWindowLifecycleNotifier::notifyAddEventListener(LocalDOMWindow* window,
const AtomicString& eventType) | 32 void DOMWindowLifecycleNotifier::notifyAddEventListener(LocalDOMWindow* window,
const AtomicString& eventType) |
33 { | 33 { |
34 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); | 34 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); |
35 #if !ENABLE(OILPAN) | |
36 // Notifications perform unknown amounts of heap allocations, | |
37 // which might trigger (conservative) GCs. This will flush out | |
38 // dead observers, causing the _non-heap_ set be updated. Snapshot | |
39 // the observers and explicitly check if they're still alive before | |
40 // notifying. | |
41 Vector<RawPtr<DOMWindowLifecycleObserver>> snapshotOfObservers; | |
42 copyToVector(m_observers, snapshotOfObservers); | |
43 for (DOMWindowLifecycleObserver* observer : snapshotOfObservers) { | |
44 if (m_observers.contains(observer)) | |
45 observer->didAddEventListener(window, eventType); | |
46 } | |
47 #else | |
48 for (DOMWindowLifecycleObserver* observer : m_observers) | 35 for (DOMWindowLifecycleObserver* observer : m_observers) |
49 observer->didAddEventListener(window, eventType); | 36 observer->didAddEventListener(window, eventType); |
50 #endif | |
51 } | 37 } |
52 | 38 |
53 void DOMWindowLifecycleNotifier::notifyRemoveEventListener(LocalDOMWindow* windo
w, const AtomicString& eventType) | 39 void DOMWindowLifecycleNotifier::notifyRemoveEventListener(LocalDOMWindow* windo
w, const AtomicString& eventType) |
54 { | 40 { |
55 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); | 41 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); |
56 #if !ENABLE(OILPAN) | |
57 // Notifications perform unknown amounts of heap allocations, | |
58 // which might trigger (conservative) GCs. This will flush out | |
59 // dead observers, causing the _non-heap_ set be updated. Snapshot | |
60 // the observers and explicitly check if they're still alive before | |
61 // notifying. | |
62 Vector<RawPtr<DOMWindowLifecycleObserver>> snapshotOfObservers; | |
63 copyToVector(m_observers, snapshotOfObservers); | |
64 for (DOMWindowLifecycleObserver* observer : snapshotOfObservers) { | |
65 if (m_observers.contains(observer)) | |
66 observer->didRemoveEventListener(window, eventType); | |
67 } | |
68 #else | |
69 for (DOMWindowLifecycleObserver* observer : m_observers) | 42 for (DOMWindowLifecycleObserver* observer : m_observers) |
70 observer->didRemoveEventListener(window, eventType); | 43 observer->didRemoveEventListener(window, eventType); |
71 #endif | |
72 } | 44 } |
73 | 45 |
74 void DOMWindowLifecycleNotifier::notifyRemoveAllEventListeners(LocalDOMWindow* w
indow) | 46 void DOMWindowLifecycleNotifier::notifyRemoveAllEventListeners(LocalDOMWindow* w
indow) |
75 { | 47 { |
76 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); | 48 TemporaryChange<IterationType> scope(m_iterating, IteratingOverAll); |
77 #if !ENABLE(OILPAN) | |
78 // Notifications perform unknown amounts of heap allocations, | |
79 // which might trigger (conservative) GCs. This will flush out | |
80 // dead observers, causing the _non-heap_ set be updated. Snapshot | |
81 // the observers and explicitly check if they're still alive before | |
82 // notifying. | |
83 Vector<RawPtr<DOMWindowLifecycleObserver>> snapshotOfObservers; | |
84 copyToVector(m_observers, snapshotOfObservers); | |
85 for (DOMWindowLifecycleObserver* observer : snapshotOfObservers) { | |
86 if (m_observers.contains(observer)) | |
87 observer->didRemoveAllEventListeners(window); | |
88 } | |
89 #else | |
90 for (DOMWindowLifecycleObserver* observer : m_observers) | 49 for (DOMWindowLifecycleObserver* observer : m_observers) |
91 observer->didRemoveAllEventListeners(window); | 50 observer->didRemoveAllEventListeners(window); |
92 #endif | |
93 } | 51 } |
94 | 52 |
95 } // namespace blink | 53 } // namespace blink |
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