1 // Copyright 2013 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.
5 #ifndef UI_APP_LIST_SPEECH_UI_MODEL_H_
6 #define UI_APP_LIST_SPEECH_UI_MODEL_H_
8 #include "base/basictypes.h"
9 #include "base/observer_list.h"
10 #include "base/strings/string16.h"
11 #include "ui/app_list/app_list_export.h"
12 #include "ui/app_list/speech_ui_model_observer.h"
13 #include "ui/gfx/image/image_skia.h"
17 // SpeechUIModel provides the interface to update the UI for speech recognition.
18 class APP_LIST_EXPORT SpeechUIModel
{
20 explicit SpeechUIModel(SpeechRecognitionState initial_state
);
21 virtual ~SpeechUIModel();
23 void SetSpeechResult(const base::string16
& result
, bool is_final
);
24 void UpdateSoundLevel(int16 level
);
25 void SetSpeechRecognitionState(SpeechRecognitionState new_state
);
27 void AddObserver(SpeechUIModelObserver
* observer
);
28 void RemoveObserver(SpeechUIModelObserver
* observer
);
30 const base::string16
& result() const { return result_
; }
31 bool is_final() const { return is_final_
; }
32 int16
sound_level() const { return sound_level_
; }
33 SpeechRecognitionState
state() const { return state_
; }
34 const gfx::ImageSkia
& logo() const { return logo_
; }
35 void set_logo(const gfx::ImageSkia
& logo
) { logo_
= logo
; }
38 base::string16 result_
;
41 SpeechRecognitionState state_
;
43 // The logo image which the speech UI will show at the top-left.
46 // The sound level range to compute visible sound-level.
47 int16 minimum_sound_level_
;
48 int16 maximum_sound_level_
;
50 ObserverList
<SpeechUIModelObserver
> observers_
;
52 DISALLOW_COPY_AND_ASSIGN(SpeechUIModel
);
55 } // namespace app_list
57 #endif // UI_APP_LIST_SPEECH_UI_MODEL_H_