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   // Returns true if the user needs to be authenticated before a plaintext
  68   // password is revealed.
  69   bool IsAuthenticationRequired();
  70
  71   // Sets the password and exception list of the UI view.
  72   void SetPasswordList();
  73   void SetPasswordExceptionList();
  74
  75   // A short class to mediate requests to the password store.
  76   class ListPopulater : public password_manager::PasswordStoreConsumer {
  77    public:
  78     explicit ListPopulater(PasswordManagerPresenter* page);
  79     ~ListPopulater() override;
  80
  81     // Send a query to the password store to populate a list.
  82     virtual void Populate() = 0;
  83
  84    protected:
  85     PasswordManagerPresenter* page_;
  86   };
  87
  88   // A short class to mediate requests to the password store for passwordlist.
  89   class PasswordListPopulater : public ListPopulater {
  90    public:
  91     explicit PasswordListPopulater(PasswordManagerPresenter* page);
  92
  93     // Send a query to the password store to populate a password list.
  94     void Populate() override;
  95
  96     // Send the password store's reply back to the handler.
  97     void OnGetPasswordStoreResults(
  98         ScopedVector<autofill::PasswordForm> results) override;
  99   };
 100
 101   // A short class to mediate requests to the password store for exceptions.
 102   class PasswordExceptionListPopulater : public ListPopulater {
 103    public:
 104     explicit PasswordExceptionListPopulater(PasswordManagerPresenter* page);
 105
 106     // Send a query to the password store to populate a passwordException list.
 107     void Populate() override;
 108
 109     // Send the password store's reply back to the handler.
 110     void OnGetPasswordStoreResults(
 111         ScopedVector<autofill::PasswordForm> results) override;
 112   };
 113
 114   // Password store consumer for populating the password list and exceptions.
 115   PasswordListPopulater populater_;
 116   PasswordExceptionListPopulater exception_populater_;
 117
 118   ScopedVector<autofill::PasswordForm> password_list_;
 119   ScopedVector<autofill::PasswordForm> password_exception_list_;
 120
 121   // Whether to show stored passwords or not.
 122   BooleanPrefMember show_passwords_;
 123
 124   // Indicates whether or not the password manager should require the user to
 125   // reauthenticate before revealing plaintext passwords.
 126   bool require_reauthentication_;
 127
 128   // The last time the user was successfully authenticated.
 129   // Used to determine whether or not to reveal plaintext passwords.
 130   base::TimeTicks last_authentication_time_;
 131
 132   // UI view that owns this presenter.
 133   PasswordUIView* password_view_;
 134
 135   // User pref for storing accept languages.
 136   std::string languages_;
 137
 138   DISALLOW_COPY_AND_ASSIGN(PasswordManagerPresenter);
 139 };
 140
 141 #endif  // CHROME_BROWSER_UI_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_