password_changed_view.h revision ddb351dbec246cf1fab5ec20d2d5520909041de1 
1// Copyright (c) 2011 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_CHROMEOS_LOGIN_PASSWORD_CHANGED_VIEW_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_PASSWORD_CHANGED_VIEW_H_
7#pragma once
8
9#include <string>
10
11#include "views/controls/button/button.h"
12#include "views/controls/textfield/textfield_controller.h"
13#include "views/view.h"
14#include "views/window/dialog_delegate.h"
15
16namespace views {
17class Button;
18class Label;
19class RadioButton;
20class Textfield;
21}  // namespace views
22
23namespace chromeos {
24
25// A dialog box that is shown when password change was detected.
26// User is presented with an option to sync all settings or
27// enter old password and sync only delta.
28class PasswordChangedView : public views::View,
29                            public views::DialogDelegate,
30                            public views::ButtonListener,
31                            public views::TextfieldController {
32 public:
33  // Delegate class to get notifications from the view.
34  class Delegate {
35  public:
36    virtual ~Delegate() {}
37
38    // User provided |old_password|, decrypt homedir and sync only delta.
39    virtual void RecoverEncryptedData(const std::string& old_password) = 0;
40
41    // Ignores password change and forces full sync.
42    virtual void ResyncEncryptedData() = 0;
43  };
44
45  PasswordChangedView(Delegate* delegate, bool full_sync_disabled);
46  virtual ~PasswordChangedView() {}
47
48  // views::DialogDelegate:
49  virtual bool Accept();
50  virtual int GetDialogButtons() const;
51
52  // views::WindowDelegate:
53  virtual View* GetInitiallyFocusedView();
54  virtual bool IsModal() const { return true; }
55  virtual views::View* GetContentsView() { return this; }
56
57  // views::View:
58  virtual std::wstring GetWindowTitle() const;
59
60  // views::ButtonListener:
61  virtual void ButtonPressed(views::Button* sender,
62                             const views::Event& event);
63
64  // views::TextfieldController:
65  virtual bool HandleKeyEvent(views::Textfield* sender,
66                              const views::KeyEvent& keystroke) {
67    return false;
68  }
69  virtual void ContentsChanged(views::Textfield* sender,
70                               const string16& new_contents) {}
71
72 protected:
73  // views::View:
74  virtual gfx::Size GetPreferredSize();
75  virtual void ViewHierarchyChanged(bool is_add,
76                                    views::View* parent,
77                                    views::View* child);
78
79 private:
80  // Called when dialog is accepted.
81  bool ExitDialog();
82
83  // Initialize view layout.
84  void Init();
85
86  // Screen controls.
87  views::Label* title_label_;
88  views::Label* description_label_;
89  views::RadioButton* full_sync_radio_;
90  views::RadioButton* delta_sync_radio_;
91  views::Textfield* old_password_field_;
92
93  // Notifications receiver.
94  Delegate* delegate_;
95
96  // Whether full sync option is disabled.
97  bool full_sync_disabled_;
98
99  DISALLOW_COPY_AND_ASSIGN(PasswordChangedView);
100};
101
102}  // namespace chromeos
103
104#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_PASSWORD_CHANGED_VIEW_H_
105