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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_DISPATCHER_HOST_H_ | 5 #ifndef CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_ |
| 6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_ | 6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
| 10 #include "content/public/browser/browser_message_filter.h" | 10 #include "content/public/browser/browser_message_filter.h" |
| 11 #include "content/public/browser/speech_recognition_event_listener.h" | 11 #include "content/public/browser/speech_recognition_event_listener.h" |
| 12 #include "net/url_request/url_request_context_getter.h" | 12 #include "net/url_request/url_request_context_getter.h" |
| 13 | 13 |
| 14 struct SpeechRecognitionHostMsg_StartRequest_Params; | 14 struct SpeechRecognitionHostMsg_StartRequest_Params; |
| 15 | 15 |
| 16 namespace content { | 16 namespace content { |
| 17 |
| 17 class SpeechRecognitionManager; | 18 class SpeechRecognitionManager; |
| 18 class SpeechRecognitionPreferences; | 19 class SpeechRecognitionPreferences; |
| 19 struct SpeechRecognitionResult; | 20 struct SpeechRecognitionResult; |
| 20 } | |
| 21 | |
| 22 namespace speech { | |
| 23 | 21 |
| 24 // SpeechRecognitionDispatcherHost is a delegate for Speech API messages used by | 22 // SpeechRecognitionDispatcherHost is a delegate for Speech API messages used by |
| 25 // RenderMessageFilter. Basically it acts as a proxy, relaying the events coming | 23 // RenderMessageFilter. Basically it acts as a proxy, relaying the events coming |
| 26 // from the SpeechRecognitionManager to IPC messages (and vice versa). | 24 // from the SpeechRecognitionManager to IPC messages (and vice versa). |
| 27 // It's the complement of SpeechRecognitionDispatcher (owned by RenderView). | 25 // It's the complement of SpeechRecognitionDispatcher (owned by RenderView). |
| 28 class CONTENT_EXPORT SpeechRecognitionDispatcherHost | 26 class CONTENT_EXPORT SpeechRecognitionDispatcherHost |
| 29 : public content::BrowserMessageFilter, | 27 : public BrowserMessageFilter, |
| 30 public content::SpeechRecognitionEventListener { | 28 public SpeechRecognitionEventListener { |
| 31 public: | 29 public: |
| 32 SpeechRecognitionDispatcherHost( | 30 SpeechRecognitionDispatcherHost( |
| 33 int render_process_id, | 31 int render_process_id, |
| 34 net::URLRequestContextGetter* context_getter, | 32 net::URLRequestContextGetter* context_getter, |
| 35 content::SpeechRecognitionPreferences* recognition_preferences); | 33 SpeechRecognitionPreferences* recognition_preferences); |
| 36 | 34 |
| 37 // SpeechRecognitionEventListener methods. | 35 // SpeechRecognitionEventListener methods. |
| 38 virtual void OnRecognitionStart(int session_id) OVERRIDE; | 36 virtual void OnRecognitionStart(int session_id) OVERRIDE; |
| 39 virtual void OnAudioStart(int session_id) OVERRIDE; | 37 virtual void OnAudioStart(int session_id) OVERRIDE; |
| 40 virtual void OnEnvironmentEstimationComplete(int session_id) OVERRIDE; | 38 virtual void OnEnvironmentEstimationComplete(int session_id) OVERRIDE; |
| 41 virtual void OnSoundStart(int session_id) OVERRIDE; | 39 virtual void OnSoundStart(int session_id) OVERRIDE; |
| 42 virtual void OnSoundEnd(int session_id) OVERRIDE; | 40 virtual void OnSoundEnd(int session_id) OVERRIDE; |
| 43 virtual void OnAudioEnd(int session_id) OVERRIDE; | 41 virtual void OnAudioEnd(int session_id) OVERRIDE; |
| 44 virtual void OnRecognitionEnd(int session_id) OVERRIDE; | 42 virtual void OnRecognitionEnd(int session_id) OVERRIDE; |
| 45 virtual void OnRecognitionResult( | 43 virtual void OnRecognitionResult( |
| 46 int session_id, const content::SpeechRecognitionResult& result) OVERRIDE; | 44 int session_id, |
| 45 const SpeechRecognitionResult& result) OVERRIDE; |
| 47 virtual void OnRecognitionError( | 46 virtual void OnRecognitionError( |
| 48 int session_id, const content::SpeechRecognitionError& error) OVERRIDE; | 47 int session_id, |
| 49 virtual void OnAudioLevelsChange( | 48 const SpeechRecognitionError& error) OVERRIDE; |
| 50 int session_id, float volume, float noise_volume) OVERRIDE; | 49 virtual void OnAudioLevelsChange(int session_id, |
| 50 float volume, |
| 51 float noise_volume) OVERRIDE; |
| 51 | 52 |
| 52 // content::BrowserMessageFilter implementation. | 53 // BrowserMessageFilter implementation. |
| 53 virtual bool OnMessageReceived(const IPC::Message& message, | 54 virtual bool OnMessageReceived(const IPC::Message& message, |
| 54 bool* message_was_ok) OVERRIDE; | 55 bool* message_was_ok) OVERRIDE; |
| 55 | 56 |
| 56 // Singleton manager setter useful for tests. | 57 // Singleton manager setter useful for tests. |
| 57 static void SetManagerForTests(content::SpeechRecognitionManager* manager); | 58 static void SetManagerForTests(SpeechRecognitionManager* manager); |
| 58 | 59 |
| 59 private: | 60 private: |
| 60 virtual ~SpeechRecognitionDispatcherHost(); | 61 virtual ~SpeechRecognitionDispatcherHost(); |
| 61 | 62 |
| 62 void OnStartRequest( | 63 void OnStartRequest( |
| 63 const SpeechRecognitionHostMsg_StartRequest_Params& params); | 64 const SpeechRecognitionHostMsg_StartRequest_Params& params); |
| 64 void OnAbortRequest(int render_view_id, int request_id); | 65 void OnAbortRequest(int render_view_id, int request_id); |
| 65 void OnStopCaptureRequest(int render_view_id, int request_id); | 66 void OnStopCaptureRequest(int render_view_id, int request_id); |
| 66 | 67 |
| 67 // Returns the speech recognition manager to forward requests to. | 68 // Returns the speech recognition manager to forward requests to. |
| 68 content::SpeechRecognitionManager* manager(); | 69 SpeechRecognitionManager* manager(); |
| 69 | 70 |
| 70 int render_process_id_; | 71 int render_process_id_; |
| 71 scoped_refptr<net::URLRequestContextGetter> context_getter_; | 72 scoped_refptr<net::URLRequestContextGetter> context_getter_; |
| 72 scoped_refptr<content::SpeechRecognitionPreferences> recognition_preferences_; | 73 scoped_refptr<SpeechRecognitionPreferences> recognition_preferences_; |
| 73 | 74 |
| 74 static content::SpeechRecognitionManager* manager_for_tests_; | 75 static SpeechRecognitionManager* manager_for_tests_; |
| 75 | 76 |
| 76 DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionDispatcherHost); | 77 DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionDispatcherHost); |
| 77 }; | 78 }; |
| 78 | 79 |
| 79 } // namespace speech | 80 } // namespace content |
| 80 | 81 |
| 81 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_ | 82 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_ |
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