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      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 
     16 namespace views {
     17 class Button;
     18 class Label;
     19 class RadioButton;
     20 class Textfield;
     21 }  // namespace views
     22 
     23 namespace 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.
     28 class 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