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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_USER_TRAY_USER_H_
6 #define ASH_SYSTEM_USER_TRAY_USER_H_
7 
8 #include "ash/ash_export.h"
9 #include "ash/session/session_state_delegate.h"
10 #include "ash/system/tray/system_tray_item.h"
11 #include "ash/system/user/user_observer.h"
12 #include "base/compiler_specific.h"
13 
14 namespace gfx {
15 class Rect;
16 class Size;
17 }
18 
19 namespace views {
20 class ImageView;
21 class Label;
22 }
23 
24 namespace ash {
25 
26 namespace tray {
27 class RoundedImageView;
28 class UserView;
29 }
30 
31 class ASH_EXPORT TrayUser : public SystemTrayItem,
32                             public UserObserver {
33  public:
34   // The given |multiprofile_index| is the user number in a multi profile
35   // scenario. Index #0 is the running user, the other indices are other logged
36   // in users (if there are any). Depending on the multi user mode, there will
37   // be either one (index #0) or all users be visible in the system tray.
38   TrayUser(SystemTray* system_tray, MultiProfileIndex index);
39   virtual ~TrayUser();
40 
41   // Allows unit tests to see if the item was created.
42   enum TestState {
43     HIDDEN,               // The item is hidden.
44     SHOWN,                // The item gets presented to the user.
45     HOVERED,              // The item is hovered and presented to the user.
46     ACTIVE,               // The item was clicked and can add a user.
47     ACTIVE_BUT_DISABLED   // The item was clicked anc cannot add a user.
48   };
49   TestState GetStateForTest() const;
50 
51   // Returns the size of layout_view_.
52   gfx::Size GetLayoutSizeForTest() const;
53 
54   // Returns the bounds of the user panel in screen coordinates.
55   // Note: This only works when the panel shown.
56   gfx::Rect GetUserPanelBoundsInScreenForTest() const;
57 
58   // Update the TrayUser as if the current LoginStatus is |status|.
59   void UpdateAfterLoginStatusChangeForTest(user::LoginStatus status);
60 
61 
62  private:
63   // Overridden from SystemTrayItem.
64   virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE;
65   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
66   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
67   virtual void DestroyTrayView() OVERRIDE;
68   virtual void DestroyDefaultView() OVERRIDE;
69   virtual void DestroyDetailedView() OVERRIDE;
70   virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) OVERRIDE;
71   virtual void UpdateAfterShelfAlignmentChange(
72       ShelfAlignment alignment) OVERRIDE;
73 
74   // Overridden from UserObserver.
75   virtual void OnUserUpdate() OVERRIDE;
76   virtual void OnUserAddedToSession() OVERRIDE;
77 
78   void UpdateAvatarImage(user::LoginStatus status);
79 
80   // Get the user index which should be used for the tray icon of this item.
81   MultiProfileIndex GetTrayIndex();
82 
83   // Updates the layout of this item.
84   void UpdateLayoutOfItem();
85 
86   // The user index to use.
87   MultiProfileIndex multiprofile_index_;
88 
89   tray::UserView* user_;
90 
91   // View that contains label and/or avatar.
92   views::View* layout_view_;
93   tray::RoundedImageView* avatar_;
94   views::Label* label_;
95 
96   DISALLOW_COPY_AND_ASSIGN(TrayUser);
97 };
98 
99 }  // namespace ash
100 
101 #endif  // ASH_SYSTEM_USER_TRAY_USER_H_
102