src/ui/app_list/views/speech_view.h

   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/app_list_export.h"
   9 #include "ui/app_list/speech_ui_model_observer.h"
  10 #include "ui/views/controls/button/button.h"
  11 #include "ui/views/view.h"
  12
  13 namespace views {
  14 class BoundsAnimator;
  15 class ImageButton;
  16 class ImageView;
  17 class Label;
  18 }
  19
  20 namespace app_list {
  21
  22 class AppListViewDelegate;
  23 class SpeechCardView;
  24
  25 // SpeechView provides the card-like UI for the search-by-speech.
  26 class APP_LIST_EXPORT SpeechView : public views::View,
  27                                    public views::ButtonListener,
  28                                    public SpeechUIModelObserver {
  29  public:
  30   explicit SpeechView(AppListViewDelegate* delegate);
  31   ~SpeechView() override;
  32
  33   // Reset to the original state.
  34   void Reset();
  35
  36   // Overridden from views::View:
  37   void Layout() override;
  38   gfx::Size GetPreferredSize() const override;
  39
  40   views::ImageButton* mic_button() { return mic_button_; }
  41
  42  private:
  43   int GetIndicatorRadius(uint8 level);
  44
  45   // Overridden from views::ButtonListener:
  46   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
  47
  48   // Overridden from SpeechUIModelObserver:
  49   void OnSpeechSoundLevelChanged(uint8 level) override;
  50   void OnSpeechResult(const base::string16& result, bool is_final) override;
  51   void OnSpeechRecognitionStateChanged(
  52       SpeechRecognitionState new_state) override;
  53
  54   AppListViewDelegate* delegate_;
  55
  56   views::ImageView* logo_;
  57   views::View* indicator_;
  58   views::ImageButton* mic_button_;
  59   views::Label* speech_result_;
  60   scoped_ptr<views::BoundsAnimator> indicator_animator_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(SpeechView);
  63 };
  64
  65 }  // namespace app_list
  66
  67 #endif  // UI_APP_LIST_VIEWS_SPEECH_VIEW_H_