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      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.
      4 
      5 #ifndef UI_APP_LIST_VIEWS_SPEECH_VIEW_H_
      6 #define UI_APP_LIST_VIEWS_SPEECH_VIEW_H_
      7 
      8 #include "ui/app_list/speech_ui_model_observer.h"
      9 #include "ui/views/controls/button/button.h"
     10 #include "ui/views/view.h"
     11 
     12 namespace views {
     13 class BoundsAnimator;
     14 class ImageButton;
     15 class Label;
     16 }
     17 
     18 namespace app_list {
     19 
     20 class AppListViewDelegate;
     21 class SpeechCardView;
     22 
     23 // SpeechView provides the card-like UI for the search-by-speech.
     24 class SpeechView : public views::View,
     25                    public views::ButtonListener,
     26                    public SpeechUIModelObserver {
     27  public:
     28   explicit SpeechView(AppListViewDelegate* delegate);
     29   virtual ~SpeechView();
     30 
     31   // Reset to the original state.
     32   void Reset();
     33 
     34   // Overridden from views::View:
     35   virtual void Layout() OVERRIDE;
     36   virtual gfx::Size GetPreferredSize() OVERRIDE;
     37 
     38  private:
     39   int GetIndicatorRadius(int16 level);
     40 
     41   // Overridden from views::ButtonListener:
     42   virtual void ButtonPressed(views::Button* sender,
     43                              const ui::Event& event) OVERRIDE;
     44 
     45   // Overridden from SpeechUIModelObserver:
     46   virtual void OnSpeechSoundLevelChanged(int16 level) OVERRIDE;
     47   virtual void OnSpeechResult(const base::string16& result,
     48                               bool is_final) OVERRIDE;
     49   virtual void OnSpeechRecognitionStateChanged(
     50       SpeechRecognitionState new_state) OVERRIDE;
     51 
     52   AppListViewDelegate* delegate_;
     53 
     54   views::View* indicator_;
     55   views::ImageButton* mic_button_;
     56   views::Label* speech_result_;
     57   scoped_ptr<views::BoundsAnimator> indicator_animator_;
     58 
     59   DISALLOW_COPY_AND_ASSIGN(SpeechView);
     60 };
     61 
     62 }  // namespace app_list
     63 
     64 #endif  // UI_APP_LIST_VIEWS_SPEECH_VIEW_H_
     65