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      1 // Copyright (c) 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 ASH_SYSTEM_TRAY_THROBBER_VIEW_H_
      6 #define ASH_SYSTEM_TRAY_THROBBER_VIEW_H_
      7 
      8 #include "ui/gfx/size.h"
      9 #include "ui/views/controls/throbber.h"
     10 #include "ui/views/view.h"
     11 
     12 namespace ash {
     13 
     14 // A SmoothedThrobber with tooltip.
     15 class SystemTrayThrobber : public views::SmoothedThrobber {
     16  public:
     17   SystemTrayThrobber(int frame_delay_ms);
     18   virtual ~SystemTrayThrobber();
     19 
     20   void SetTooltipText(const base::string16& tooltip_text);
     21 
     22   // Overriden from views::View.
     23   virtual bool GetTooltipText(
     24         const gfx::Point& p, base::string16* tooltip) const OVERRIDE;
     25 
     26  private:
     27   // The current tooltip text.
     28   base::string16 tooltip_text_;
     29 
     30   DISALLOW_COPY_AND_ASSIGN(SystemTrayThrobber);
     31 };
     32 
     33 // A View containing a SystemTrayThrobber with animation for starting/stopping.
     34 class ThrobberView : public views::View {
     35  public:
     36   ThrobberView();
     37   virtual ~ThrobberView();
     38 
     39   void Start();
     40   void Stop();
     41   void SetTooltipText(const base::string16& tooltip_text);
     42 
     43   // Overriden from views::View.
     44   virtual gfx::Size GetPreferredSize() const OVERRIDE;
     45   virtual void Layout() OVERRIDE;
     46   virtual bool GetTooltipText(
     47       const gfx::Point& p, base::string16* tooltip) const OVERRIDE;
     48 
     49  private:
     50   // Schedules animation for starting/stopping throbber.
     51   void ScheduleAnimation(bool start_throbber);
     52 
     53   SystemTrayThrobber* throbber_;
     54 
     55   // The current tooltip text.
     56   base::string16 tooltip_text_;
     57 
     58   DISALLOW_COPY_AND_ASSIGN(ThrobberView);
     59 };
     60 
     61 }  // namespace ash
     62 
     63 #endif  // ASH_SYSTEM_TRAY_THROBBER_VIEW_H_
     64