chrome/browser/ui/passwords/password_manager_presenter.h

   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_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_
   6 #define CHROME_BROWSER_UI_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/scoped_vector.h"
  12 #include "base/prefs/pref_member.h"
  13 #include "components/password_manager/core/browser/password_store.h"
  14 #include "components/password_manager/core/browser/password_store_consumer.h"
  15
  16 namespace autofill {
  17 struct PasswordForm;
  18 }
  19
  20 class PasswordUIView;
  21
  22 class Profile;
  23
  24 // Contains the common logic used by a PasswordUIView to
  25 // interact with PasswordStore. It provides completion callbacks for
  26 // PasswordStore operations and updates the view on PasswordStore changes.
  27 class PasswordManagerPresenter
  28     : public password_manager::PasswordStore::Observer {
  29  public:
  30   // |password_view| the UI view that owns this presenter, must not be NULL.
  31   explicit PasswordManagerPresenter(PasswordUIView* password_view);
  32   ~PasswordManagerPresenter() override;
  33
  34   // PasswordStore::Observer implementation.
  35   void OnLoginsChanged(
  36       const password_manager::PasswordStoreChangeList& changes) override;
  37
  38   // Repopulates the password and exception entries.
  39   void UpdatePasswordLists();
  40
  41   void Initialize();
  42
  43   // Gets the password entry at |index|.
  44   const autofill::PasswordForm* GetPassword(size_t index);
  45
  46   // Gets the password exception entry at |index|.
  47   const autofill::PasswordForm* GetPasswordException(size_t index);
  48
  49   // Removes the saved password entry at |index|.
  50   // |index| the entry index to be removed.
  51   void RemoveSavedPassword(size_t index);
  52
  53   // Removes the saved password exception entry at |index|.
  54   // |index| the entry index to be removed.
  55   void RemovePasswordException(size_t index);
  56
  57   // Requests the plain text password for entry at |index| to be revealed.
  58   // |index| The index of the entry.
  59   void RequestShowPassword(size_t index);
  60
  61  private:
  62   friend class PasswordManagerPresenterTest;
  63
  64   // Returns the password store associated with the currently active profile.
  65   password_manager::PasswordStore* GetPasswordStore();
  66
  67   // Sets the password and exception list of the UI view.
  68   void SetPasswordList();
  69   void SetPasswordExceptionList();
  70
  71   // A short class to mediate requests to the password store.
  72   class ListPopulater : public password_manager::PasswordStoreConsumer {
  73    public:
  74     explicit ListPopulater(PasswordManagerPresenter* page);
  75     ~ListPopulater() override;
  76
  77     // Send a query to the password store to populate a list.
  78     virtual void Populate() = 0;
  79
  80    protected:
  81     PasswordManagerPresenter* page_;
  82   };
  83
  84   // A short class to mediate requests to the password store for passwordlist.
  85   class PasswordListPopulater : public ListPopulater {
  86    public:
  87     explicit PasswordListPopulater(PasswordManagerPresenter* page);
  88
  89     // Send a query to the password store to populate a password list.
  90     void Populate() override;
  91
  92     // Send the password store's reply back to the handler.
  93     void OnGetPasswordStoreResults(
  94         ScopedVector<autofill::PasswordForm> results) override;
  95   };
  96
  97   // A short class to mediate requests to the password store for exceptions.
  98   class PasswordExceptionListPopulater : public ListPopulater {
  99    public:
 100     explicit PasswordExceptionListPopulater(PasswordManagerPresenter* page);
 101
 102     // Send a query to the password store to populate a passwordException list.
 103     void Populate() override;
 104
 105     // Send the password store's reply back to the handler.
 106     void OnGetPasswordStoreResults(
 107         ScopedVector<autofill::PasswordForm> results) override;
 108   };
 109
 110   // Password store consumer for populating the password list and exceptions.
 111   PasswordListPopulater populater_;
 112   PasswordExceptionListPopulater exception_populater_;
 113
 114   ScopedVector<autofill::PasswordForm> password_list_;
 115   ScopedVector<autofill::PasswordForm> password_exception_list_;
 116
 117   // Whether to show stored passwords or not.
 118   BooleanPrefMember show_passwords_;
 119
 120   // Indicates whether or not the password manager should require the user to
 121   // reauthenticate before revealing plaintext passwords.
 122   const bool require_reauthentication_;
 123
 124   // The last time the user was successfully authenticated.
 125   // Used to determine whether or not to reveal plaintext passwords.
 126   base::TimeTicks last_authentication_time_;
 127
 128   // UI view that owns this presenter.
 129   PasswordUIView* password_view_;
 130
 131   // User pref for storing accept languages.
 132   std::string languages_;
 133
 134   DISALLOW_COPY_AND_ASSIGN(PasswordManagerPresenter);
 135 };
 136
 137 #endif  // CHROME_BROWSER_UI_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_