ash/system/tray_caps_lock.h

   1 // Copyright (c) 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_TRAY_CAPS_LOCK_H_
   6 #define ASH_SYSTEM_TRAY_CAPS_LOCK_H_
   7
   8 #include "ash/system/tray/tray_image_item.h"
   9
  10 namespace views {
  11 class ImageView;
  12 class View;
  13 }
  14
  15 namespace ash {
  16
  17 class ASH_EXPORT CapsLockObserver {
  18  public:
  19   virtual ~CapsLockObserver() {}
  20
  21   virtual void OnCapsLockChanged(bool enabled,
  22                                  bool search_mapped_to_caps_lock) = 0;
  23 };
  24
  25 namespace internal {
  26
  27 class CapsLockDefaultView;
  28
  29 class TrayCapsLock : public TrayImageItem,
  30                      public CapsLockObserver {
  31  public:
  32   explicit TrayCapsLock(SystemTray* system_tray);
  33   virtual ~TrayCapsLock();
  34
  35  private:
  36   // Overridden from TrayImageItem.
  37   virtual bool GetInitialVisibility() OVERRIDE;
  38   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
  39   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
  40   virtual void DestroyDefaultView() OVERRIDE;
  41   virtual void DestroyDetailedView() OVERRIDE;
  42
  43   // Overridden from CapsLockObserver.
  44   virtual void OnCapsLockChanged(bool enabled,
  45                                  bool search_mapped_to_caps_lock) OVERRIDE;
  46
  47   CapsLockDefaultView* default_;
  48   views::View* detailed_;
  49
  50   bool search_mapped_to_caps_lock_;
  51   bool caps_lock_enabled_;
  52   bool message_shown_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(TrayCapsLock);
  55 };
  56
  57 }  // namespace internal
  58 }  // namespace ash
  59
  60 #endif  // ASH_SYSTEM_TRAY_CAPS_LOCK_H_