ash/system/ime/tray_ime_chromeos.h

   1 // Copyright 2012 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 ASH_SYSTEM_IME_TRAY_IME_CHROMEOS_H_
   6 #define ASH_SYSTEM_IME_TRAY_IME_CHROMEOS_H_
   7
   8 #include "ash/system/chromeos/virtual_keyboard/virtual_keyboard_observer.h"
   9 #include "ash/system/ime/ime_observer.h"
  10 #include "ash/system/tray/system_tray_delegate.h"
  11 #include "ash/system/tray/system_tray_item.h"
  12 #include "ash/system/tray_accessibility.h"
  13
  14 namespace views {
  15 class Label;
  16 }
  17
  18 namespace ash {
  19 struct IMEInfo;
  20
  21 namespace tray {
  22 class IMEDefaultView;
  23 class IMEDetailedView;
  24 class IMENotificationView;
  25 }
  26
  27 class TrayItemView;
  28
  29 class ASH_EXPORT TrayIME : public SystemTrayItem,
  30                            public IMEObserver,
  31                            public AccessibilityObserver,
  32                            public VirtualKeyboardObserver {
  33  public:
  34   explicit TrayIME(SystemTray* system_tray);
  35   ~TrayIME() override;
  36
  37   // Overridden from VirtualKeyboardObserver.
  38   void OnKeyboardSuppressionChanged(bool suppressed) override;
  39
  40   // Overridden from AccessibilityObserver:
  41   void OnAccessibilityModeChanged(
  42       ui::AccessibilityNotificationVisibility notify) override;
  43
  44  private:
  45   friend class TrayIMETest;
  46
  47   // Repopulates the DefaultView and DetailedView.
  48   void Update();
  49   // Updates the System Tray label.
  50   void UpdateTrayLabel(const IMEInfo& info, size_t count);
  51   // Returns whether the virtual keyboard toggle should be shown in the
  52   // detailed view.
  53   bool ShouldShowKeyboardToggle();
  54   // Returns the appropriate label for the detailed view.
  55   base::string16 GetDefaultViewLabel(bool show_ime_label);
  56
  57   // Overridden from SystemTrayItem.
  58   views::View* CreateTrayView(user::LoginStatus status) override;
  59   views::View* CreateDefaultView(user::LoginStatus status) override;
  60   views::View* CreateDetailedView(user::LoginStatus status) override;
  61   void DestroyTrayView() override;
  62   void DestroyDefaultView() override;
  63   void DestroyDetailedView() override;
  64   void UpdateAfterLoginStatusChange(user::LoginStatus status) override;
  65   void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) override;
  66
  67   // Overridden from IMEObserver.
  68   void OnIMERefresh() override;
  69
  70   // Whether the default view should be shown.
  71   bool ShouldDefaultViewBeVisible();
  72
  73   TrayItemView* tray_label_;
  74   tray::IMEDefaultView* default_;
  75   tray::IMEDetailedView* detailed_;
  76   // Whether the virtual keyboard is suppressed.
  77   bool keyboard_suppressed_;
  78   // Cached IME info.
  79   IMEInfoList ime_list_;
  80   IMEInfo current_ime_;
  81   IMEPropertyInfoList property_list_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(TrayIME);
  84 };
  85
  86 }  // namespace ash
  87
  88 #endif  // ASH_SYSTEM_IME_TRAY_IME_CHROMEOS_H_