user_accounts_delegate.h revision a02191e04bc25c4935f804f2c080ae28663d096d 
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 as a canonicalized email address.
39  virtual std::string GetPrimaryAccount() = 0;
40
41  // Returns a list of the user's secondary accounts in form of canonicalized
42  // email addresses.
43  virtual std::vector<std::string> GetSecondaryAccountsList() = 0;
44
45  // Returns display name for given |account_id|. It has form of email but could
46  // be uncanonical, e.g. account "test-user@gmail.com" could have display
47  // name "Test-user+AfterPlus@gmail.com".
48  virtual std::string GetAccountDisplayName(const std::string& account_id) = 0;
49
50  // Deletes given |account_id| from the list of user's account. Passing
51  // |account_id| that is not from list is no-op.
52  virtual void DeleteAccount(const std::string& account_id) = 0;
53
54  // Launches a dialog which lets the user add a new account.
55  virtual void LaunchAddAccountDialog() = 0;
56
57 protected:
58  void NotifyAccountListChanged();
59
60 private:
61  ObserverList<Observer> observers_;
62
63  DISALLOW_COPY_AND_ASSIGN(UserAccountsDelegate);
64};
65
66}  // namespace tray
67}  // namespace ash
68
69#endif  // ASH_SYSTEM_USER_USER_ACCOUNTS_DELEGATE_H_
70