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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_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 }
     17 
     18 namespace views {
     19 class ImageView;
     20 class Label;
     21 }
     22 
     23 namespace ash {
     24 namespace internal {
     25 
     26 namespace tray {
     27 class UserView;
     28 class RoundedImageView;
     29 }
     30 
     31 class ASH_EXPORT TrayUser : public SystemTrayItem,
     32                             public UserObserver {
     33  public:
     34   // The given |multiprofile_index| is the number of the user in a multi profile
     35   // scenario. Index #0 is the running user, the other indices are other
     36   // logged in users (if there are any). Only index #0 will add an icon to
     37   // 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     SEPARATOR,            // the item gets shown as a separator.
     45     SHOWN,                // The item gets presented to the user.
     46     HOVERED,              // The item is hovered and presented to the user.
     47     ACTIVE,               // The item was clicked and can add a user.
     48     ACTIVE_BUT_DISABLED   // The item was clicked anc cannot add a user.
     49   };
     50   TestState GetStateForTest() const;
     51 
     52   // Returns the bounds of the user panel in screen coordinates.
     53   // Note: This only works when the panel shown.
     54   gfx::Rect GetUserPanelBoundsInScreenForTest() const;
     55 
     56  private:
     57   // Overridden from SystemTrayItem.
     58   virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE;
     59   virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
     60   virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
     61   virtual void DestroyTrayView() OVERRIDE;
     62   virtual void DestroyDefaultView() OVERRIDE;
     63   virtual void DestroyDetailedView() OVERRIDE;
     64   virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) OVERRIDE;
     65   virtual void UpdateAfterShelfAlignmentChange(
     66       ShelfAlignment alignment) OVERRIDE;
     67 
     68   // Overridden from UserObserver.
     69   virtual void OnUserUpdate() OVERRIDE;
     70 
     71   void UpdateAvatarImage(user::LoginStatus status);
     72 
     73   // The user index to use.
     74   MultiProfileIndex multiprofile_index_;
     75 
     76   tray::UserView* user_;
     77 
     78   // View that contains label and/or avatar.
     79   views::View* layout_view_;
     80   tray::RoundedImageView* avatar_;
     81   views::Label* label_;
     82 
     83   // True if this element is the separator and it is shown.
     84   bool separator_shown_;
     85 
     86   DISALLOW_COPY_AND_ASSIGN(TrayUser);
     87 };
     88 
     89 }  // namespace internal
     90 }  // namespace ash
     91 
     92 #endif  // ASH_SYSTEM_USER_TRAY_USER_H_
     93