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Unified Diff: ui/app_list/speech_ui_model_observer.h

Issue 105773004: Introduces the speech recognition UI to app_list. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 7 years ago
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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
--- /dev/null
+++ b/ui/app_list/speech_ui_model_observer.h
@@ -0,0 +1,39 @@
+// 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_
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