mash: Migrate ash/system/user to ash/common.

ash/system/user/tray_user.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef ASH_SYSTEM_USER_TRAY_USER_H_
-#define ASH_SYSTEM_USER_TRAY_USER_H_
-
-#include "ash/ash_export.h"
-#include "ash/common/session/session_types.h"
-#include "ash/common/system/tray/system_tray_item.h"
-#include "ash/common/system/user/user_observer.h"
-#include "base/macros.h"
-
-namespace gfx {
-class Rect;
-class Size;
-}
-
-namespace views {
-class ImageView;
-class Label;
-}
-
-namespace ash {
-
-namespace tray {
-class RoundedImageView;
-class UserView;
-}
-
-class ASH_EXPORT TrayUser : public SystemTrayItem, public UserObserver {
- public:
-  // The given |index| is the user index in a multi profile scenario. Index #0
-  // is the active user, the other indices are other logged in users (if there
-  // are any). Depending on the multi user mode, there will be either one (index
-  // #0) or all users be visible in the system tray.
-  TrayUser(SystemTray* system_tray, UserIndex index);
-  ~TrayUser() override;
-
-  // Allows unit tests to see if the item was created.
-  enum TestState {
-    HIDDEN,              // The item is hidden.
-    SHOWN,               // The item gets presented to the user.
-    HOVERED,             // The item is hovered and presented to the user.
-    ACTIVE,              // The item was clicked and can add a user.
-    ACTIVE_BUT_DISABLED  // The item was clicked anc cannot add a user.
-  };
-  TestState GetStateForTest() const;
-
-  // Returns the size of layout_view_.
-  gfx::Size GetLayoutSizeForTest() const;
-
-  // Returns the bounds of the user panel in screen coordinates.
-  // Note: This only works when the panel shown.
-  gfx::Rect GetUserPanelBoundsInScreenForTest() const;
-
-  // Update the TrayUser as if the current LoginStatus is |status|.
-  void UpdateAfterLoginStatusChangeForTest(LoginStatus status);
-
-  // Use for access inside of tests.
-  tray::UserView* user_view_for_test() const { return user_; }
-
- private:
-  // Overridden from SystemTrayItem.
-  views::View* CreateTrayView(LoginStatus status) override;
-  views::View* CreateDefaultView(LoginStatus status) override;
-  void DestroyTrayView() override;
-  void DestroyDefaultView() override;
-  void UpdateAfterLoginStatusChange(LoginStatus status) override;
-  void UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) override;
-
-  // Overridden from UserObserver.
-  void OnUserUpdate() override;
-  void OnUserAddedToSession() override;
-
-  void UpdateAvatarImage(LoginStatus status);
-
-  // Updates the layout of this item.
-  void UpdateLayoutOfItem();
-
-  // The user index to use.
-  UserIndex user_index_;
-
-  tray::UserView* user_;
-
-  // View that contains label and/or avatar.
-  views::View* layout_view_;
-  tray::RoundedImageView* avatar_;
-  views::Label* label_;
-
-  DISALLOW_COPY_AND_ASSIGN(TrayUser);
-};
-
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_USER_TRAY_USER_H_