ash/system/user/user_accounts_delegate.h

   1 // Copyright 2014 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_USER_ACCOUNTS_DELEGATE_H_
   6 #define ASH_SYSTEM_USER_USER_ACCOUNTS_DELEGATE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "ash/ash_export.h"
  12 #include "base/macros.h"
  13 #include "base/observer_list.h"
  14
  15 namespace ash {
  16 namespace tray {
  17
  18 class ASH_EXPORT UserAccountsDelegate {
  19  public:
  20   class Observer {
  21    public:
  22     Observer() {}
  23     virtual ~Observer() {}
  24
  25     // Called when the account list of user has been changed.
  26     virtual void AccountListChanged() = 0;
  27
  28    private:
  29     DISALLOW_COPY_AND_ASSIGN(Observer);
  30   };
  31
  32   UserAccountsDelegate();
  33   virtual ~UserAccountsDelegate();
  34
  35   void AddObserver(Observer* observer);
  36   void RemoveObserver(Observer* observer);
  37
  38   // Returns the user's primary account's ID.
  39   virtual std::string GetPrimaryAccountId() = 0;
  40
  41   // Returns a list of the user's secondary accounts' IDs.
  42   virtual std::vector<std::string> GetSecondaryAccountIds() = 0;
  43
  44   // Returns display name for given |account_id|.
  45   virtual std::string GetAccountDisplayName(const std::string& account_id) = 0;
  46
  47   // Deletes given |account_id| from the list of user's account. Passing
  48   // |account_id| that is not from list is no-op.
  49   virtual void DeleteAccount(const std::string& account_id) = 0;
  50
  51   // Launches a dialog which lets the user add a new account.
  52   virtual void LaunchAddAccountDialog() = 0;
  53
  54  protected:
  55   void NotifyAccountListChanged();
  56
  57  private:
  58   base::ObserverList<Observer> observers_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(UserAccountsDelegate);
  61 };
  62
  63 }  // namespace tray
  64 }  // namespace ash
  65
  66 #endif  // ASH_SYSTEM_USER_USER_ACCOUNTS_DELEGATE_H_