ash/system/user/tray_user.h

   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   ~TrayUser() override;
  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   // Use for access inside of tests.
  62   tray::UserView* user_view_for_test() const { return user_; }
  63
  64  private:
  65   // Overridden from SystemTrayItem.
  66   views::View* CreateTrayView(user::LoginStatus status) override;
  67   views::View* CreateDefaultView(user::LoginStatus status) override;
  68   views::View* CreateDetailedView(user::LoginStatus status) override;
  69   void DestroyTrayView() override;
  70   void DestroyDefaultView() override;
  71   void DestroyDetailedView() override;
  72   void UpdateAfterLoginStatusChange(user::LoginStatus status) override;
  73   void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) override;
  74
  75   // Overridden from UserObserver.
  76   void OnUserUpdate() override;
  77   void OnUserAddedToSession() override;
  78
  79   void UpdateAvatarImage(user::LoginStatus status);
  80
  81   // Updates the layout of this item.
  82   void UpdateLayoutOfItem();
  83
  84   // The user index to use.
  85   MultiProfileIndex multiprofile_index_;
  86
  87   tray::UserView* user_;
  88
  89   // View that contains label and/or avatar.
  90   views::View* layout_view_;
  91   tray::RoundedImageView* avatar_;
  92   views::Label* label_;
  93
  94   DISALLOW_COPY_AND_ASSIGN(TrayUser);
  95 };
  96
  97 }  // namespace ash
  98
  99 #endif  // ASH_SYSTEM_USER_TRAY_USER_H_