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