chrome/browser/password_manager.h

   1 // Copyright (c) 2006-2008 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_PASSWORD_MANAGER_H__
   6 #define CHROME_BROWSER_PASSWORD_MANAGER_H__
   7
   8 #include "base/scoped_ptr.h"
   9 #include "chrome/browser/views/info_bar_confirm_view.h"
  10 #include "chrome/browser/password_form_manager.h"
  11 #include "chrome/browser/views/login_view.h"
  12 #include "chrome/common/pref_member.h"
  13 #include "chrome/common/stl_util-inl.h"
  14 #include "webkit/glue/password_form.h"
  15 #include "webkit/glue/password_form_dom_manager.h"
  16
  17 class PrefService;
  18 class WebContents;
  19
  20 // Per-tab password manager. Handles creation and management of UI elements,
  21 // receiving password form data from the renderer and managing the password
  22 // database through the WebDataService. The PasswordManager is a LoginModel
  23 // for purposes of supporting HTTP authentication dialogs.
  24 class PasswordManager : public ChromeViews::LoginModel {
  25  public:
  26   static void RegisterUserPrefs(PrefService* prefs);
  27
  28   explicit PasswordManager(WebContents* web_contents);
  29   ~PasswordManager();
  30
  31   // Called by a PasswordFormManager when it decides a form can be autofilled
  32   // on the page.
  33   void Autofill(const PasswordForm& form_for_autofill,
  34                 const PasswordFormMap& best_matches,
  35                 const PasswordForm* const preferred_match) const;
  36
  37   // Closes any visible password manager UI
  38   void CloseBars();
  39
  40   // Notification that the user initiated a navigation away from the current
  41   // page. Unless this is a password form submission, for our purposes this
  42   // means we're done with the current page, so we can clean-up.
  43   void DidNavigate();
  44
  45   // Show a prompt to save submitted password if it is a new username for
  46   // the form, or else just update the stored value.
  47   void DidStopLoading();
  48
  49   // Notifies the password manager that password forms were parsed on the page.
  50   void PasswordFormsSeen(const std::vector<PasswordForm>& forms);
  51
  52   // When a form is submitted, we prepare to save the password but wait
  53   // until we decide the user has successfully logged in. This is step 1
  54   // of 2 (see SavePassword).
  55   void ProvisionallySavePassword(PasswordForm form);
  56
  57   // LoginModel implementation.
  58   virtual void SetObserver(ChromeViews::LoginModelObserver* observer) {
  59     observer_ = observer;
  60   }
  61
  62  private:
  63   // The Info Bar UI that prompts the user to save a password.
  64   friend class SavePasswordBar;
  65   class SavePasswordBar : public InfoBarConfirmView {
  66    public:
  67     SavePasswordBar(PasswordFormManager* form_manager,
  68                     PasswordManager* password_manager);
  69     virtual ~SavePasswordBar();
  70
  71     // InfoBarConfirmView overrides.
  72     virtual void OKButtonPressed();
  73     virtual void CancelButtonPressed();
  74
  75    private:
  76     PasswordFormManager* form_manager_;
  77     PasswordManager* password_manager_;
  78
  79     DISALLOW_EVIL_CONSTRUCTORS(SavePasswordBar);
  80   };
  81
  82   // Replace the current InfoBar with a new one. Just adds if there is no
  83   // visible InfoBars.
  84   void ReplaceInfoBar(InfoBarItemView* view);
  85
  86   // The currently visible InfoBar (NULL if none)
  87   InfoBarItemView* current_bar_;
  88
  89   // When a form is "seen" on a page, a PasswordFormManager is created
  90   // and stored in this collection until user navigates away from page.
  91   typedef std::vector<PasswordFormManager*> LoginManagers;
  92   LoginManagers pending_login_managers_;
  93
  94   // Deleter for pending_login_managers_ when PasswordManager is deleted (e.g
  95   // tab closes) on a page with a password form, thus containing login managers.
  96   STLElementDeleter<LoginManagers> login_managers_deleter_;
  97
  98   // When the user opts to save a password, this contains the
  99   // PasswordFormManager for the form in question.
 100   // Scoped incase PasswordManager gets deleted (e.g tab closes) between the
 101   // time a user submits a login form and gets to the next page.
 102   scoped_ptr<PasswordFormManager> pending_save_manager_;
 103
 104   // The containing WebContents
 105   WebContents* web_contents_;
 106
 107   // The LoginModelObserver (i.e LoginView) requiring autofill.
 108   ChromeViews::LoginModelObserver* observer_;
 109
 110   // Set to false to disable the password manager (will no longer fill
 111   // passwords or ask you if you want to save passwords).
 112   BooleanPrefMember password_manager_enabled_;
 113
 114   DISALLOW_EVIL_CONSTRUCTORS(PasswordManager);
 115 };
 116
 117 #endif
 118