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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 CHROME_BROWSER_SPEECH_SPEECH_INPUT_EXTENSION_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_SPEECH_SPEECH_INPUT_EXTENSION_MANAGER_H_ |
| 6 #define CHROME_BROWSER_SPEECH_SPEECH_INPUT_EXTENSION_MANAGER_H_ | 6 #define CHROME_BROWSER_SPEECH_SPEECH_INPUT_EXTENSION_MANAGER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <string> |
| 10 |
| 11 #include "base/callback_forward.h" |
| 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/memory/scoped_ptr.h" |
| 9 #include "base/synchronization/lock.h" | 14 #include "base/synchronization/lock.h" |
| 10 #include "content/browser/speech/speech_recognizer.h" | |
| 11 #include "content/public/browser/notification_observer.h" | 15 #include "content/public/browser/notification_observer.h" |
| 12 #include <string> | 16 #include "content/public/browser/speech_recognizer_delegate.h" |
| 13 | 17 |
| 14 class Extension; | 18 class Extension; |
| 15 class Profile; | 19 class Profile; |
| 16 class SpeechInputExtensionNotification; | 20 class SpeechInputExtensionNotification; |
| 17 | 21 |
| 18 namespace content { | 22 namespace content { |
| 19 class NotificationRegistrar; | 23 class NotificationRegistrar; |
| 20 class ResourceContext; | 24 class ResourceContext; |
| 21 } | 25 } |
| 22 | 26 |
| 23 namespace net { | 27 namespace net { |
| 24 class URLRequestContextGetter; | 28 class URLRequestContextGetter; |
| 25 } | 29 } |
| 26 | 30 |
| 31 namespace speech_input { |
| 32 class SpeechRecognizer; |
| 33 } |
| 34 |
| 27 // Used for API tests. | 35 // Used for API tests. |
| 28 class SpeechInputExtensionInterface { | 36 class SpeechInputExtensionInterface { |
| 29 public: | 37 public: |
| 30 SpeechInputExtensionInterface(); | 38 SpeechInputExtensionInterface(); |
| 31 virtual ~SpeechInputExtensionInterface(); | 39 virtual ~SpeechInputExtensionInterface(); |
| 32 | 40 |
| 33 // Called from the IO thread. | 41 // Called from the IO thread. |
| 34 virtual void StartRecording( | 42 virtual void StartRecording( |
| 35 speech_input::SpeechRecognizerDelegate* delegate, | 43 content::SpeechRecognizerDelegate* delegate, |
| 36 net::URLRequestContextGetter* context_getter, | 44 net::URLRequestContextGetter* context_getter, |
| 37 content::ResourceContext* resource_context, | 45 content::ResourceContext* resource_context, |
| 38 int caller_id, | 46 int caller_id, |
| 39 const std::string& language, | 47 const std::string& language, |
| 40 const std::string& grammar, | 48 const std::string& grammar, |
| 41 bool filter_profanities) = 0; | 49 bool filter_profanities) = 0; |
| 42 | 50 |
| 43 virtual void StopRecording(bool recognition_failed) = 0; | 51 virtual void StopRecording(bool recognition_failed) = 0; |
| 44 virtual bool HasAudioInputDevices( | 52 virtual bool HasAudioInputDevices( |
| 45 content::ResourceContext* resource_context) = 0; | 53 content::ResourceContext* resource_context) = 0; |
| 46 virtual bool IsRecordingInProcess( | 54 virtual bool IsRecordingInProcess( |
| 47 content::ResourceContext* resource_context) = 0; | 55 content::ResourceContext* resource_context) = 0; |
| 48 | 56 |
| 49 // Called from the UI thread. | 57 // Called from the UI thread. |
| 50 virtual bool HasValidRecognizer() = 0; | 58 virtual bool HasValidRecognizer() = 0; |
| 51 | 59 |
| 52 protected: | 60 protected: |
| 53 scoped_refptr<speech_input::SpeechRecognizer> recognizer_; | 61 scoped_refptr<speech_input::SpeechRecognizer> recognizer_; |
| 54 }; | 62 }; |
| 55 | 63 |
| 56 // Manages the speech input requests and responses from the extensions | 64 // Manages the speech input requests and responses from the extensions |
| 57 // associated to the given profile. | 65 // associated to the given profile. |
| 58 class SpeechInputExtensionManager | 66 class SpeechInputExtensionManager |
| 59 : public base::RefCountedThreadSafe<SpeechInputExtensionManager>, | 67 : public base::RefCountedThreadSafe<SpeechInputExtensionManager>, |
| 60 public speech_input::SpeechRecognizerDelegate, | 68 public content::SpeechRecognizerDelegate, |
| 61 public content::NotificationObserver, | 69 public content::NotificationObserver, |
| 62 private SpeechInputExtensionInterface { | 70 private SpeechInputExtensionInterface { |
| 63 public: | 71 public: |
| 64 enum State { | 72 enum State { |
| 65 kIdle = 0, | 73 kIdle = 0, |
| 66 kStarting, | 74 kStarting, |
| 67 kRecording, | 75 kRecording, |
| 68 kStopping, | 76 kStopping, |
| 69 kShutdown // Internal sink state when the profile is destroyed on shutdown. | 77 kShutdown // Internal sink state when the profile is destroyed on shutdown. |
| 70 }; | 78 }; |
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| 140 | 148 |
| 141 private: | 149 private: |
| 142 // SpeechInputExtensionInterface methods: | 150 // SpeechInputExtensionInterface methods: |
| 143 virtual bool IsRecordingInProcess( | 151 virtual bool IsRecordingInProcess( |
| 144 content::ResourceContext* resource_context) OVERRIDE; | 152 content::ResourceContext* resource_context) OVERRIDE; |
| 145 virtual bool HasAudioInputDevices( | 153 virtual bool HasAudioInputDevices( |
| 146 content::ResourceContext* resource_context) OVERRIDE; | 154 content::ResourceContext* resource_context) OVERRIDE; |
| 147 virtual bool HasValidRecognizer() OVERRIDE; | 155 virtual bool HasValidRecognizer() OVERRIDE; |
| 148 | 156 |
| 149 virtual void StartRecording( | 157 virtual void StartRecording( |
| 150 speech_input::SpeechRecognizerDelegate* delegate, | 158 content::SpeechRecognizerDelegate* delegate, |
| 151 net::URLRequestContextGetter* context_getter, | 159 net::URLRequestContextGetter* context_getter, |
| 152 content::ResourceContext* resource_context, | 160 content::ResourceContext* resource_context, |
| 153 int caller_id, | 161 int caller_id, |
| 154 const std::string& language, | 162 const std::string& language, |
| 155 const std::string& grammar, | 163 const std::string& grammar, |
| 156 bool filter_profanities) OVERRIDE; | 164 bool filter_profanities) OVERRIDE; |
| 157 | 165 |
| 158 virtual void StopRecording(bool recognition_failed) OVERRIDE; | 166 virtual void StopRecording(bool recognition_failed) OVERRIDE; |
| 159 | 167 |
| 160 // Internal methods. | 168 // Internal methods. |
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| 202 State state_; | 210 State state_; |
| 203 std::string extension_id_in_use_; | 211 std::string extension_id_in_use_; |
| 204 | 212 |
| 205 // Used in the UI thread. | 213 // Used in the UI thread. |
| 206 scoped_ptr<content::NotificationRegistrar> registrar_; | 214 scoped_ptr<content::NotificationRegistrar> registrar_; |
| 207 SpeechInputExtensionInterface* speech_interface_; | 215 SpeechInputExtensionInterface* speech_interface_; |
| 208 scoped_ptr<SpeechInputExtensionNotification> notification_; | 216 scoped_ptr<SpeechInputExtensionNotification> notification_; |
| 209 }; | 217 }; |
| 210 | 218 |
| 211 #endif // CHROME_BROWSER_SPEECH_SPEECH_INPUT_EXTENSION_MANAGER_H_ | 219 #endif // CHROME_BROWSER_SPEECH_SPEECH_INPUT_EXTENSION_MANAGER_H_ |
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