Index: ui/app_list/speech_ui_model_observer.h |
diff --git a/ui/app_list/speech_ui_model_observer.h b/ui/app_list/speech_ui_model_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..39fdd269203fc424740ad43ecb7d6f7c1f50f34d |
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+++ b/ui/app_list/speech_ui_model_observer.h |
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+// Copyright 2013 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef UI_APP_LIST_SPEECH_UI_MODEL_OBSERVER_H_ |
+#define UI_APP_LIST_SPEECH_UI_MODEL_OBSERVER_H_ |
+ |
+#include "base/basictypes.h" |
+#include "base/strings/string16.h" |
+#include "ui/app_list/app_list_export.h" |
+ |
+namespace app_list { |
+ |
+enum SpeechRecognitionState { |
+ SPEECH_RECOGNITION_NOT_STARTED = 0, |
+ SPEECH_RECOGNITION_ON, |
+ SPEECH_RECOGNITION_IN_SPEECH, |
+}; |
+ |
+class APP_LIST_EXPORT SpeechUIModelObserver { |
+ public: |
+ // Invoked when sound level for the speech recognition has changed. |
+ virtual void OnSpeechSoundLevelChanged(int16 level) {} |
+ |
+ // Invoked when a speech result arrives. |is_final| is true only when the |
+ // speech result is final. |
+ virtual void OnSpeechResult(const base::string16& result, bool is_final) {} |
+ |
+ // Invoked when the state of speech recognition is changed. |
+ virtual void OnSpeechRecognitionStateChanged( |
+ SpeechRecognitionState new_state) {} |
+ |
+ protected: |
+ virtual ~SpeechUIModelObserver() {} |
+}; |
+ |
+} // namespace app_list |
+ |
+#endif // UI_APP_LIST_SPEECH_UI_MODEL_OBSERVER_H_ |