ash/first_run/first_run_helper.h

   1 // Copyright 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_FIRST_RUN_FIRST_RUN_HELPER_H_
   6 #define ASH_FIRST_RUN_FIRST_RUN_HELPER_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/basictypes.h"
  10 #include "base/observer_list.h"
  11
  12 namespace gfx {
  13 class Rect;
  14 }
  15
  16 namespace views {
  17 class Widget;
  18 }
  19
  20 namespace ash {
  21
  22 // Interface used by first-run tutorial to manipulate and retreive information
  23 // about shell elements.
  24 // All returned coordinates are in screen coordinate system.
  25 class ASH_EXPORT FirstRunHelper {
  26  public:
  27   class Observer {
  28    public:
  29     // Called when first-run UI was cancelled.
  30     virtual void OnCancelled() = 0;
  31     virtual ~Observer() {}
  32   };
  33
  34  public:
  35   FirstRunHelper();
  36   virtual ~FirstRunHelper();
  37
  38   void AddObserver(Observer* observer);
  39   void RemoveObserver(Observer* observer);
  40
  41   // Returns widget to place tutorial UI into it.
  42   virtual views::Widget* GetOverlayWidget() = 0;
  43
  44   // Opens and closes app list.
  45   virtual void OpenAppList() = 0;
  46   virtual void CloseAppList() = 0;
  47
  48   // Returns bounding rectangle of launcher elements.
  49   virtual gfx::Rect GetLauncherBounds() = 0;
  50
  51   // Returns bounds of application list button.
  52   virtual gfx::Rect GetAppListButtonBounds() = 0;
  53
  54   // Returns bounds of application list. You must open application list before
  55   // calling this method.
  56   virtual gfx::Rect GetAppListBounds() = 0;
  57
  58   // Opens and closes system tray bubble.
  59   virtual void OpenTrayBubble() = 0;
  60   virtual void CloseTrayBubble() = 0;
  61
  62   // Returns |true| iff system tray bubble is opened now.
  63   virtual bool IsTrayBubbleOpened() = 0;
  64
  65   // Returns bounds of system tray bubble. You must open bubble before calling
  66   // this method.
  67   virtual gfx::Rect GetTrayBubbleBounds() = 0;
  68
  69   // Returns bounds of help app button from system tray buble. You must open
  70   // bubble before calling this method.
  71   virtual gfx::Rect GetHelpButtonBounds() = 0;
  72
  73  protected:
  74   ObserverList<Observer>& observers() { return observers_; }
  75
  76  private:
  77   ObserverList<Observer> observers_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(FirstRunHelper);
  80 };
  81
  82 }  // namespace ash
  83
  84 #endif  // ASH_FIRST_RUN_FIRST_RUN_HELPER_H_
  85