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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_ | |
| 6 #define CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/memory/ref_counted.h" | |
| 14 #include "base/memory/singleton.h" | |
| 15 #include "content/public/browser/speech_input_manager.h" | |
| 16 #include "content/public/browser/speech_recognizer_delegate.h" | |
| 17 #include "ui/gfx/rect.h" | |
| 18 | |
| 19 class AudioManager; | |
| 20 | |
| 21 namespace content { | |
| 22 class ResourceContext; | |
| 23 class SpeechInputManagerDelegate; | |
| 24 class SpeechInputPreferences; | |
| 25 struct SpeechInputResult; | |
| 26 } | |
| 27 | |
| 28 namespace net { | |
| 29 class URLRequestContextGetter; | |
| 30 } | |
| 31 | |
| 32 namespace speech_input { | |
| 33 | |
| 34 class SpeechInputDispatcherHost; | |
| 35 class SpeechRecognizerImpl; | |
| 36 | |
| 37 class CONTENT_EXPORT SpeechInputManagerImpl | |
| 38 : NON_EXPORTED_BASE(public content::SpeechInputManager), | |
| 39 NON_EXPORTED_BASE(public content::SpeechRecognizerDelegate) { | |
| 40 public: | |
| 41 static SpeechInputManagerImpl* GetInstance(); | |
| 42 | |
| 43 // SpeechInputManager implementation: | |
| 44 virtual void StartRecognitionForRequest(int caller_id) OVERRIDE; | |
| 45 virtual void CancelRecognitionForRequest(int caller_id) OVERRIDE; | |
| 46 virtual void FocusLostForRequest(int caller_id) OVERRIDE; | |
| 47 virtual bool HasAudioInputDevices() OVERRIDE; | |
| 48 virtual bool IsRecordingInProcess() OVERRIDE; | |
| 49 virtual string16 GetAudioInputDeviceModel() OVERRIDE; | |
| 50 virtual void ShowAudioInputSettings() OVERRIDE; | |
| 51 | |
| 52 // Handlers for requests from render views. | |
| 53 | |
| 54 // |delegate| is a weak pointer and should remain valid until | |
| 55 // its |DidCompleteRecognition| method is called or recognition is cancelled. | |
| 56 // |render_process_id| is the ID of the renderer process initiating the | |
| 57 // request. | |
| 58 // |element_rect| is the display bounds of the html element requesting speech | |
| 59 // input (in page coordinates). | |
| 60 virtual void StartRecognition( | |
| 61 SpeechInputDispatcherHost* delegate, | |
| 62 int caller_id, | |
| 63 int render_process_id, | |
| 64 int render_view_id, | |
| 65 const gfx::Rect& element_rect, | |
| 66 const std::string& language, | |
| 67 const std::string& grammar, | |
| 68 const std::string& origin_url, | |
| 69 net::URLRequestContextGetter* context_getter, | |
| 70 content::SpeechInputPreferences* speech_input_prefs); | |
| 71 virtual void CancelRecognition(int caller_id); | |
| 72 virtual void CancelAllRequestsWithDelegate( | |
| 73 SpeechInputDispatcherHost* delegate); | |
| 74 virtual void StopRecording(int caller_id); | |
| 75 | |
| 76 // Overridden from content::SpeechRecognizerDelegate: | |
| 77 virtual void DidStartReceivingAudio(int caller_id) OVERRIDE; | |
| 78 virtual void SetRecognitionResult( | |
| 79 int caller_id, | |
| 80 const content::SpeechInputResult& result) OVERRIDE; | |
| 81 virtual void DidCompleteRecording(int caller_id) OVERRIDE; | |
| 82 virtual void DidCompleteRecognition(int caller_id) OVERRIDE; | |
| 83 virtual void DidStartReceivingSpeech(int caller_id) OVERRIDE; | |
| 84 virtual void DidStopReceivingSpeech(int caller_id) OVERRIDE; | |
| 85 | |
| 86 virtual void OnRecognizerError(int caller_id, | |
| 87 content::SpeechInputError error) OVERRIDE; | |
| 88 virtual void DidCompleteEnvironmentEstimation(int caller_id) OVERRIDE; | |
| 89 virtual void SetInputVolume(int caller_id, float volume, | |
| 90 float noise_volume) OVERRIDE; | |
| 91 | |
| 92 protected: | |
| 93 // Private constructor to enforce singleton. | |
| 94 friend struct DefaultSingletonTraits<SpeechInputManagerImpl>; | |
| 95 SpeechInputManagerImpl(); | |
| 96 virtual ~SpeechInputManagerImpl(); | |
| 97 | |
| 98 bool HasPendingRequest(int caller_id) const; | |
| 99 | |
| 100 private: | |
| 101 struct SpeechInputRequest { | |
| 102 SpeechInputRequest(); | |
| 103 ~SpeechInputRequest(); | |
| 104 | |
| 105 SpeechInputDispatcherHost* delegate; | |
| 106 scoped_refptr<SpeechRecognizerImpl> recognizer; | |
| 107 bool is_active; // Set to true when recording or recognition is going on. | |
| 108 }; | |
| 109 | |
| 110 struct SpeechInputParams; | |
| 111 | |
| 112 SpeechInputDispatcherHost* GetDelegate(int caller_id) const; | |
| 113 | |
| 114 void CheckRenderViewTypeAndStartRecognition(const SpeechInputParams& params); | |
| 115 void ProceedStartingRecognition(const SpeechInputParams& params); | |
| 116 | |
| 117 void CancelRecognitionAndInformDelegate(int caller_id); | |
| 118 | |
| 119 typedef std::map<int, SpeechInputRequest> SpeechRecognizerMap; | |
| 120 SpeechRecognizerMap requests_; | |
| 121 std::string request_info_; | |
| 122 bool can_report_metrics_; | |
| 123 int recording_caller_id_; | |
| 124 content::SpeechInputManagerDelegate* delegate_; | |
| 125 }; | |
| 126 | |
| 127 } // namespace speech_input | |
| 128 | |
| 129 #endif // CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_ | |
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Chromium Code Reviews
Issue 9568002:
Renamed speech input implementation from to speech_recognition_*. The namespace has been renamed fr… (Closed)
Base URL: http://git.chromium.org/chromium/src.git@master