ash/system/chromeos/power/power_status_view.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_CHROMEOS_POWER_POWER_STATUS_VIEW_H_
   6 #define ASH_SYSTEM_CHROMEOS_POWER_POWER_STATUS_VIEW_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "ash/system/chromeos/power/power_status.h"
  10 #include "ui/views/view.h"
  11
  12 namespace views {
  13 class ImageView;
  14 class Label;
  15 }
  16
  17 namespace ash {
  18
  19 class ASH_EXPORT PowerStatusView : public views::View,
  20                                    public PowerStatus::Observer {
  21  public:
  22   enum ViewType {
  23     VIEW_DEFAULT,
  24     VIEW_NOTIFICATION
  25   };
  26
  27   PowerStatusView(ViewType view_type, bool default_view_right_align);
  28   virtual ~PowerStatusView();
  29
  30   // Overridden from views::View.
  31   virtual gfx::Size GetPreferredSize() const OVERRIDE;
  32   virtual int GetHeightForWidth(int width) const OVERRIDE;
  33   virtual void Layout() OVERRIDE;
  34
  35   // Overridden from PowerStatus::Observer.
  36   virtual void OnPowerStatusChanged() OVERRIDE;
  37
  38  private:
  39   friend class PowerStatusDefaultViewTest;
  40   friend class PowerStatusNotificationViewTest;
  41
  42   void LayoutDefaultView();
  43   void LayoutNotificationView();
  44   void UpdateTextForDefaultView();
  45   void UpdateTextForNotificationView();
  46
  47   // Overridden from views::View.
  48   virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
  49
  50   // Layout default view UI items on the right side of system tray pop up item
  51   // if true; otherwise, layout the UI items on the left side.
  52   bool default_view_right_align_;
  53
  54   // Labels used only for VIEW_NOTIFICATION.
  55   views::Label* status_label_;
  56   views::Label* time_label_;
  57
  58   // Labels used only for VIEW_DEFAULT.
  59   views::Label* time_status_label_;
  60   views::Label* percentage_label_;
  61
  62   // Battery status indicator icon.
  63   views::ImageView* icon_;
  64
  65   ViewType view_type_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(PowerStatusView);
  68 };
  69
  70 }  // namespace ash
  71
  72 #endif  // ASH_SYSTEM_CHROMEOS_POWER_POWER_STATUS_VIEW_H_