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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_ | 5 #ifndef CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_ |
6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_ | 6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
| 9 #include <memory> |
9 #include <string> | 10 #include <string> |
10 | 11 |
11 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
12 #include "base/callback.h" | 13 #include "base/callback.h" |
13 #include "base/compiler_specific.h" | 14 #include "base/compiler_specific.h" |
14 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
15 #include "content/browser/renderer_host/media/media_stream_requester.h" | 16 #include "content/browser/renderer_host/media/media_stream_requester.h" |
16 #include "content/public/browser/speech_recognition_event_listener.h" | 17 #include "content/public/browser/speech_recognition_event_listener.h" |
17 #include "content/public/browser/speech_recognition_manager.h" | 18 #include "content/public/browser/speech_recognition_manager.h" |
18 #include "content/public/browser/speech_recognition_session_config.h" | 19 #include "content/public/browser/speech_recognition_session_config.h" |
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91 void OnAudioLevelsChange(int session_id, | 92 void OnAudioLevelsChange(int session_id, |
92 float volume, | 93 float volume, |
93 float noise_volume) override; | 94 float noise_volume) override; |
94 | 95 |
95 SpeechRecognitionManagerDelegate* delegate() const { return delegate_.get(); } | 96 SpeechRecognitionManagerDelegate* delegate() const { return delegate_.get(); } |
96 | 97 |
97 protected: | 98 protected: |
98 // BrowserMainLoop is the only one allowed to istantiate and free us. | 99 // BrowserMainLoop is the only one allowed to istantiate and free us. |
99 friend class BrowserMainLoop; | 100 friend class BrowserMainLoop; |
100 // Needed for dtor. | 101 // Needed for dtor. |
101 friend struct base::DefaultDeleter<SpeechRecognitionManagerImpl>; | 102 friend std::default_delete<SpeechRecognitionManagerImpl>; |
102 SpeechRecognitionManagerImpl(media::AudioManager* audio_manager, | 103 SpeechRecognitionManagerImpl(media::AudioManager* audio_manager, |
103 MediaStreamManager* media_stream_manager); | 104 MediaStreamManager* media_stream_manager); |
104 ~SpeechRecognitionManagerImpl() override; | 105 ~SpeechRecognitionManagerImpl() override; |
105 | 106 |
106 private: | 107 private: |
107 // Data types for the internal Finite State Machine (FSM). | 108 // Data types for the internal Finite State Machine (FSM). |
108 enum FSMState { | 109 enum FSMState { |
109 SESSION_STATE_IDLE = 0, | 110 SESSION_STATE_IDLE = 0, |
110 SESSION_STATE_CAPTURING_AUDIO, | 111 SESSION_STATE_CAPTURING_AUDIO, |
111 SESSION_STATE_WAITING_FOR_RESULT, | 112 SESSION_STATE_WAITING_FOR_RESULT, |
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184 | 185 |
185 // Used for posting asynchronous tasks (on the IO thread) without worrying | 186 // Used for posting asynchronous tasks (on the IO thread) without worrying |
186 // about this class being destroyed in the meanwhile (due to browser shutdown) | 187 // about this class being destroyed in the meanwhile (due to browser shutdown) |
187 // since tasks pending on a destroyed WeakPtr are automatically discarded. | 188 // since tasks pending on a destroyed WeakPtr are automatically discarded. |
188 base::WeakPtrFactory<SpeechRecognitionManagerImpl> weak_factory_; | 189 base::WeakPtrFactory<SpeechRecognitionManagerImpl> weak_factory_; |
189 }; | 190 }; |
190 | 191 |
191 } // namespace content | 192 } // namespace content |
192 | 193 |
193 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_ | 194 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_ |
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