extensions/shell/browser/shell_speech_recognition_manager_delegate.h

   1 // Copyright 2014 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 EXTENSIONS_SHELL_BROWSER_SHELL_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
   6 #define EXTENSIONS_SHELL_BROWSER_SHELL_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
   7
   8 #include "content/public/browser/speech_recognition_event_listener.h"
   9 #include "content/public/browser/speech_recognition_manager_delegate.h"
  10
  11 namespace extensions {
  12 namespace speech {
  13
  14 class ShellSpeechRecognitionManagerDelegate
  15     : public content::SpeechRecognitionManagerDelegate,
  16       public content::SpeechRecognitionEventListener {
  17  public:
  18   ShellSpeechRecognitionManagerDelegate();
  19   ~ShellSpeechRecognitionManagerDelegate() override;
  20
  21  private:
  22   // SpeechRecognitionEventListener methods.
  23   void OnRecognitionStart(int session_id) override;
  24   void OnAudioStart(int session_id) override;
  25   void OnEnvironmentEstimationComplete(int session_id) override;
  26   void OnSoundStart(int session_id) override;
  27   void OnSoundEnd(int session_id) override;
  28   void OnAudioEnd(int session_id) override;
  29   void OnRecognitionEnd(int session_id) override;
  30   void OnRecognitionResults(
  31       int session_id,
  32       const content::SpeechRecognitionResults& result) override;
  33   void OnRecognitionError(
  34       int session_id,
  35       const content::SpeechRecognitionError& error) override;
  36   void OnAudioLevelsChange(int session_id,
  37                            float volume,
  38                            float noise_volume) override;
  39
  40   // SpeechRecognitionManagerDelegate methods.
  41   void GetDiagnosticInformation(bool* can_report_metrics,
  42                                 std::string* hardware_info) override;
  43   void CheckRecognitionIsAllowed(
  44       int session_id,
  45       base::Callback<void(bool ask_user, bool is_allowed)> callback) override;
  46   content::SpeechRecognitionEventListener* GetEventListener() override;
  47   bool FilterProfanities(int render_process_id) override;
  48
  49   static void CheckRenderViewType(
  50       base::Callback<void(bool ask_user, bool is_allowed)> callback,
  51       int render_process_id,
  52       int render_view_id);
  53
  54   DISALLOW_COPY_AND_ASSIGN(ShellSpeechRecognitionManagerDelegate);
  55 };
  56
  57 }  // namespace speech
  58 }  // namespace extensions
  59
  60 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_CONTENT_BROWSER_CLIENT_H_