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
15namespace ash {
16namespace tray {
17
18class 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  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_
67