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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 AudioContext_h | 5 #ifndef AudioContext_h |
6 #define AudioContext_h | 6 #define AudioContext_h |
7 | 7 |
8 #include "bindings/core/v8/ScriptPromise.h" | 8 #include "bindings/core/v8/ScriptPromise.h" |
9 #include "bindings/core/v8/ScriptPromiseResolver.h" | 9 #include "bindings/core/v8/ScriptPromiseResolver.h" |
10 #include "modules/webaudio/AbstractAudioContext.h" | 10 #include "modules/webaudio/AbstractAudioContext.h" |
11 #include "platform/heap/Handle.h" | 11 #include "platform/heap/Handle.h" |
12 | 12 |
13 namespace blink { | 13 namespace blink { |
14 | 14 |
15 class Document; | 15 class Document; |
16 class ExceptionState; | 16 class ExceptionState; |
17 class ScriptState; | 17 class ScriptState; |
18 | 18 |
19 // This is an AbstractAudioContext which actually plays sound, unlike an | 19 // This is an AbstractAudioContext which actually plays sound, unlike an |
20 // OfflineAudioContext which renders sound into a buffer. | 20 // OfflineAudioContext which renders sound into a buffer. |
21 class AudioContext : public AbstractAudioContext { | 21 class AudioContext : public AbstractAudioContext { |
22 public: | 22 public: |
23 static AbstractAudioContext* create(Document&, ExceptionState&); | 23 static AbstractAudioContext* create(Document&, ExceptionState&); |
24 | 24 |
25 ~AudioContext() override; | 25 ~AudioContext() override; |
26 DECLARE_VIRTUAL_TRACE(); | 26 DECLARE_VIRTUAL_TRACE(); |
27 | 27 |
28 ScriptPromise closeContext(ScriptState*) final; | 28 ScriptPromise closeContext(ScriptState*) final; |
| 29 bool isContextClosed() const final; |
| 30 |
29 ScriptPromise suspendContext(ScriptState*) final; | 31 ScriptPromise suspendContext(ScriptState*) final; |
30 ScriptPromise resumeContext(ScriptState*) final; | 32 ScriptPromise resumeContext(ScriptState*) final; |
31 | 33 |
32 // This is to implement the pure virtual method from AbstractAudioContext. | |
33 // CANNOT be called on OfflineAudioContext. | |
34 ScriptPromise suspendContext(ScriptState*, double) final; | |
35 | |
36 bool isContextClosed() const final; | |
37 bool hasRealtimeConstraint() final { return true; } | 34 bool hasRealtimeConstraint() final { return true; } |
38 | 35 |
39 protected: | 36 protected: |
40 AudioContext(Document&); | 37 AudioContext(Document&); |
41 | 38 |
42 void didClose() final; | 39 void didClose() final; |
43 | 40 |
44 private: | 41 private: |
45 void stopRendering(); | 42 void stopRendering(); |
46 | 43 |
47 unsigned m_contextId; | 44 unsigned m_contextId; |
48 RefPtrWillBeMember<ScriptPromiseResolver> m_closeResolver; | 45 RefPtrWillBeMember<ScriptPromiseResolver> m_closeResolver; |
49 }; | 46 }; |
50 | 47 |
51 } | 48 } |
52 | 49 |
53 #endif // AudioContext_h | 50 #endif // AudioContext_h |
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