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1 /* | 1 /* |
2 * Copyright (C) 2013 Apple Inc. All rights reserved. | 2 * Copyright (C) 2013 Apple 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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50 // the CDM to continue to fire events for this session, as long as the session | 50 // the CDM to continue to fire events for this session, as long as the session |
51 // is open. | 51 // is open. |
52 // | 52 // |
53 // WeakMember<MediaKeys> is used instead of having MediaKeys and MediaKeySession | 53 // WeakMember<MediaKeys> is used instead of having MediaKeys and MediaKeySession |
54 // keep references to each other, and then having to inform the other object | 54 // keep references to each other, and then having to inform the other object |
55 // when it gets destroyed. When the Oilpan garbage collector determines that | 55 // when it gets destroyed. When the Oilpan garbage collector determines that |
56 // only WeakMember<> references remain to the MediaKeys object, the MediaKeys | 56 // only WeakMember<> references remain to the MediaKeys object, the MediaKeys |
57 // object will be finalized and the WeakMember<> references will be cleared | 57 // object will be finalized and the WeakMember<> references will be cleared |
58 // out(zeroed) by the garbage collector. | 58 // out(zeroed) by the garbage collector. |
59 // | 59 // |
60 // Because this object controls the lifetime of the WebContentDecryptionModuleSe
ssion, | 60 // Because this object controls the lifetime of the |
61 // it may outlive any JavaScript references as long as the MediaKeys object is a
live. | 61 // WebContentDecryptionModuleSession, it may outlive any JavaScript references |
| 62 // as long as the MediaKeys object is alive. |
62 // The WebContentDecryptionModuleSession has the same lifetime as this object. | 63 // The WebContentDecryptionModuleSession has the same lifetime as this object. |
63 class MediaKeySession final | 64 class MediaKeySession final |
64 : public EventTargetWithInlineData, | 65 : public EventTargetWithInlineData, |
65 public ActiveScriptWrappable, | 66 public ActiveScriptWrappable, |
66 public ActiveDOMObject, | 67 public ActiveDOMObject, |
67 private WebContentDecryptionModuleSession::Client { | 68 private WebContentDecryptionModuleSession::Client { |
68 DEFINE_WRAPPERTYPEINFO(); | 69 DEFINE_WRAPPERTYPEINFO(); |
69 USING_GARBAGE_COLLECTED_MIXIN(MediaKeySession); | 70 USING_GARBAGE_COLLECTED_MIXIN(MediaKeySession); |
70 USING_PRE_FINALIZER(MediaKeySession, dispose); | 71 USING_PRE_FINALIZER(MediaKeySession, dispose); |
71 | 72 |
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152 ClosedPromise; | 153 ClosedPromise; |
153 Member<ClosedPromise> m_closedPromise; | 154 Member<ClosedPromise> m_closedPromise; |
154 | 155 |
155 HeapDeque<Member<PendingAction>> m_pendingActions; | 156 HeapDeque<Member<PendingAction>> m_pendingActions; |
156 Timer<MediaKeySession> m_actionTimer; | 157 Timer<MediaKeySession> m_actionTimer; |
157 }; | 158 }; |
158 | 159 |
159 } // namespace blink | 160 } // namespace blink |
160 | 161 |
161 #endif // MediaKeySession_h | 162 #endif // MediaKeySession_h |
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