1// Copyright 2013 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 CHROME_BROWSER_UI_AUTOFILL_ACCOUNT_CHOOSER_MODEL_H_
6#define CHROME_BROWSER_UI_AUTOFILL_ACCOUNT_CHOOSER_MODEL_H_
7
8#include <string>
9#include <vector>
10
11#include "base/basictypes.h"
12#include "base/compiler_specific.h"
13#include "base/strings/string16.h"
14#include "components/autofill/core/browser/autofill_client.h"
15#include "ui/base/models/simple_menu_model.h"
16
17class AutofillMetrics;
18class Profile;
19
20namespace autofill {
21
22class AccountChooserModel;
23
24// A delegate interface to allow the AccountChooserModel to inform its owner
25// of changes.
26class AccountChooserModelDelegate {
27 public:
28  virtual ~AccountChooserModelDelegate();
29
30  // Called when the active account has changed.
31  virtual void AccountChoiceChanged() = 0;
32
33  // Called when the user selects the "add account" menu item.
34  virtual void AddAccount() = 0;
35
36  // Called when the account chooser UI needs to be updated.
37  virtual void UpdateAccountChooserView() = 0;
38};
39
40// A menu model for the account chooser. This allows users to switch between
41// Online Wallet accounts and local Autofill data.
42// Terminology:
43// - "Active Wallet account": the account used for communications with the
44// Online Wallet service. There may be multiple signed-in accounts, but at any
45// point of time at most one of is active.
46class AccountChooserModel : public ui::SimpleMenuModel,
47                            public ui::SimpleMenuModel::Delegate {
48 public:
49  // |disable_wallet| overrides the starting value, which is normally set by a
50  // pref.
51  AccountChooserModel(AccountChooserModelDelegate* delegate,
52                      Profile* profile,
53                      bool disable_wallet,
54                      const AutofillMetrics& metric_logger);
55  virtual ~AccountChooserModel();
56
57  // ui::SimpleMenuModel::Delegate implementation.
58  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
59  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
60  virtual bool GetAcceleratorForCommandId(
61      int command_id,
62      ui::Accelerator* accelerator) OVERRIDE;
63  virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
64
65  // Sets the selection to the given wallet account.
66  void SelectWalletAccount(size_t user_index);
67
68  // Sets the selection to the local Autofill data.
69  void SelectUseAutofill();
70
71  // Returns true if there are any accounts for the user to choose from.
72  bool HasAccountsToChoose() const;
73
74  // Sets the name of the accounts used to communicate with the Online Wallet
75  // and switches |checked_item_| to point to the menu item for the account.
76  void SetWalletAccounts(const std::vector<std::string>& accounts,
77                         size_t active_index);
78
79  // Clears the set of accounts used to communicate with the Online Wallet.
80  // Any Wallet error automatically clears the currently active account name.
81  void ClearWalletAccounts();
82
83  // Returns the name of the currently active account, or an empty string.
84  // The currently active account may not be the checked item in the menu, but
85  // will be the most recently checked wallet account item.
86  base::string16 GetActiveWalletAccountName() const;
87
88  // Returns the index of the account that is currently active.
89  size_t GetActiveWalletAccountIndex() const;
90
91  // Disables all Wallet accounts and switches to the local Autofill data.
92  // Should be called when the Wallet server returns an error.
93  void SetHadWalletError();
94
95  // Switches the dialog to the local Autofill data.
96  // Should be called when the Online Wallet sign-in attempt has failed.
97  void SetHadWalletSigninError();
98
99  // Returns true if the selected account is an Online Wallet account.
100  bool WalletIsSelected() const;
101
102 protected:
103  // Command IDs of the items in this menu; protected for the tests.
104  // The menu item for adding a new wallet account (for multilogin).
105  static const int kWalletAddAccountId;
106  // kAutofillItemId is "Pay without the Wallet" (local autofill data).
107  static const int kAutofillItemId;
108  // Wallet account menu item IDs are this value + the account index.
109  static const int kWalletAccountsStartId;
110
111 private:
112  // Reconstructs the set of menu items.
113  void ReconstructMenuItems();
114
115  // Switches to the account option represented by |command_id|.
116  void DoAccountSwitch(int command_id);
117
118  AccountChooserModelDelegate* delegate_;
119
120  // The command id of the currently selected item.
121  int checked_item_;
122
123  // Whether there has been a Wallet error.
124  bool had_wallet_error_;
125
126  // For logging UMA metrics.
127  const AutofillMetrics& metric_logger_;
128
129  // The names (emails) of the signed in accounts, gotten from the
130  // Online Wallet service.
131  std::vector<std::string> wallet_accounts_;
132
133  DISALLOW_COPY_AND_ASSIGN(AccountChooserModel);
134};
135
136}  // namespace autofill
137
138#endif  // CHROME_BROWSER_UI_AUTOFILL_ACCOUNT_CHOOSER_MODEL_H_
139