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 "chrome/browser/password_manager/password_store.h"
  14 #include "chrome/browser/password_manager/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 : public PasswordStore::Observer {
  28  public:
  29   // |password_view| the UI view that owns this presenter, must not be NULL.
  30   explicit PasswordManagerPresenter(PasswordUIView* password_view);
  31   virtual ~PasswordManagerPresenter();
  32
  33   // PasswordStore::Observer implementation.
  34   virtual void OnLoginsChanged() OVERRIDE;
  35
  36   // Repopulates the password and exception entries.
  37   void UpdatePasswordLists();
  38
  39   void Initialize();
  40
  41   // Gets the password entry at |index|.
  42   const autofill::PasswordForm& GetPassword(size_t index);
  43
  44   // Gets the password exception entry at |index|.
  45   const autofill::PasswordForm& GetPasswordException(size_t index);
  46
  47   // Removes the saved password entry at |index|.
  48   // |index| the entry index to be removed.
  49   void RemoveSavedPassword(size_t index);
  50
  51   // Removes the saved password exception entry at |index|.
  52   // |index| the entry index to be removed.
  53   void RemovePasswordException(size_t index);
  54
  55   // Requests the plain text password for entry at |index| to be revealed.
  56   // |index| The index of the entry.
  57   void RequestShowPassword(size_t index);
  58
  59  private:
  60   friend class PasswordManagerPresenterTest;
  61
  62   // Returns the password store associated with the currently active profile.
  63   PasswordStore* GetPasswordStore();
  64
  65   // Returns true if the user needs to be authenticated before a plaintext
  66   // password is revealed.
  67   bool IsAuthenticationRequired();
  68
  69   // Sets the password and exception list of the UI view.
  70   void SetPasswordList();
  71   void SetPasswordExceptionList();
  72
  73   // A short class to mediate requests to the password store.
  74   class ListPopulater : public PasswordStoreConsumer {
  75    public:
  76     explicit ListPopulater(PasswordManagerPresenter* page);
  77     virtual ~ListPopulater();
  78
  79     // Send a query to the password store to populate a list.
  80     virtual void Populate() = 0;
  81
  82    protected:
  83     PasswordManagerPresenter* page_;
  84     CancelableRequestProvider::Handle pending_login_query_;
  85   };
  86
  87   // A short class to mediate requests to the password store for passwordlist.
  88   class PasswordListPopulater : public ListPopulater {
  89    public:
  90     explicit PasswordListPopulater(PasswordManagerPresenter* page);
  91
  92     // Send a query to the password store to populate a password list.
  93     virtual void Populate() OVERRIDE;
  94
  95     // Send the password store's reply back to the handler.
  96     virtual void OnPasswordStoreRequestDone(
  97         CancelableRequestProvider::Handle handle,
  98         const std::vector<autofill::PasswordForm*>& result) OVERRIDE;
  99     virtual void OnGetPasswordStoreResults(
 100         const std::vector<autofill::PasswordForm*>& results) OVERRIDE;
 101   };
 102
 103   // A short class to mediate requests to the password store for exceptions.
 104   class PasswordExceptionListPopulater : public ListPopulater {
 105    public:
 106     explicit PasswordExceptionListPopulater(PasswordManagerPresenter* page);
 107
 108     // Send a query to the password store to populate a passwordException list.
 109     virtual void Populate() OVERRIDE;
 110
 111     // Send the password store's reply back to the handler.
 112     virtual void OnPasswordStoreRequestDone(
 113         CancelableRequestProvider::Handle handle,
 114         const std::vector<autofill::PasswordForm*>& result) OVERRIDE;
 115     virtual void OnGetPasswordStoreResults(
 116         const std::vector<autofill::PasswordForm*>& results) OVERRIDE;
 117   };
 118
 119   // Password store consumer for populating the password list and exceptions.
 120   PasswordListPopulater populater_;
 121   PasswordExceptionListPopulater exception_populater_;
 122
 123   ScopedVector<autofill::PasswordForm> password_list_;
 124   ScopedVector<autofill::PasswordForm> password_exception_list_;
 125
 126   // Whether to show stored passwords or not.
 127   BooleanPrefMember show_passwords_;
 128
 129   // Indicates whether or not the password manager should require the user to
 130   // reauthenticate before revealing plaintext passwords.
 131   bool require_reauthentication_;
 132
 133   // The last time the user was successfully authenticated.
 134   // Used to determine whether or not to reveal plaintext passwords.
 135   base::TimeTicks last_authentication_time_;
 136
 137   // UI view that owns this presenter.
 138   PasswordUIView* password_view_;
 139
 140   DISALLOW_COPY_AND_ASSIGN(PasswordManagerPresenter);
 141 };
 142
 143 #endif  // CHROME_BROWSER_UI_PASSWORDS_PASSWORD_MANAGER_PRESENTER_H_