ash/system/tray/throbber_view.h

   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/geometry/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();
  18   ~SystemTrayThrobber() override;
  19
  20   void SetTooltipText(const base::string16& tooltip_text);
  21
  22   // Overriden from views::View.
  23   bool GetTooltipText(const gfx::Point& p,
  24                       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   ~ThrobberView() override;
  38
  39   void Start();
  40   void Stop();
  41   void SetTooltipText(const base::string16& tooltip_text);
  42
  43   // Overriden from views::View.
  44   gfx::Size GetPreferredSize() const override;
  45   void Layout() override;
  46   bool GetTooltipText(const gfx::Point& p,
  47                       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_