Make password generation switched by a preference in chrome settings rather than a command line fla…

chrome/browser/autofill/autofill_manager.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_AUTOFILL_AUTOFILL_MANAGER_H_
 #define CHROME_BROWSER_AUTOFILL_AUTOFILL_MANAGER_H_
 #pragma once
 
 #include <list>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
 #include "base/time.h"
 #include "chrome/browser/autofill/autofill_download.h"
 #include "chrome/browser/autofill/field_types.h"
 #include "chrome/browser/autofill/form_structure.h"
+#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "chrome/browser/sync/profile_sync_service_observer.h"
+#include "content/public/browser/notification_observer.h"
 #include "content/public/browser/web_contents_observer.h"
 
 class AutofillExternalDelegate;
 class AutofillField;
 class AutofillProfile;
 class AutofillMetrics;
 class CreditCard;
 class PersonalDataManager;
 class PrefService;
 class ProfileSyncService;
@@ skipping 16 matching lines @@
 namespace webkit {
 namespace forms {
 struct FormData;
 struct FormField;
 struct PasswordFormFillData;
 }
 }
 
 // Manages saving and restoring the user's personal information entered into web
 // forms.
-class AutofillManager : public content::WebContentsObserver,
+class AutofillManager : public content::NotificationObserver,
+                        public content::WebContentsObserver,
                         public AutofillDownloadManager::Observer,
                         public ProfileSyncServiceObserver,
                         public base::RefCounted<AutofillManager> {
  public:
   explicit AutofillManager(TabContentsWrapper* tab_contents);
 
   // Registers our Enable/Disable Autofill pref.
   static void RegisterUserPrefs(PrefService* prefs);
 
   // Set our external delegate.
@@ skipping 96 matching lines @@
   // AutofillDownloadManager::Observer:
   virtual void OnLoadedServerPredictions(
       const std::string& response_xml) OVERRIDE;
 
   // ProfileSyncServiceObserver:
   virtual void OnStateChanged() OVERRIDE;
 
   // Register as an observer with the sync service.
   void RegisterWithSyncService();
 
+  // content::NotificationObserver override
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
   // Determines what the current state of password generation is, and if it has
   // changed from |password_generation_enabled_|. If it has changed or if
   // |new_renderer| is true, it notifies the renderer of this change via
   // SendPasswordGenerationStateToRenderer.
   void UpdatePasswordGenerationState(content::RenderViewHost* host,
                                      bool new_renderer);
 
   void OnFormsSeen(const std::vector<webkit::forms::FormData>& forms,
                    const base::TimeTicks& timestamp);
   void OnTextFieldDidChange(const webkit::forms::FormData& form,
@@ skipping 151 matching lines @@
   // When the user first interacted with a potentially fillable form on this
   // page.
   base::TimeTicks initial_interaction_timestamp_;
   // If password generation is enabled. We cache this value so that we don't
   // spam the renderer with messages during startup when the sync state
   // is changing rapidly.
   bool password_generation_enabled_;
   // The ProfileSyncService associated with this tab. This may be NULL in
   // testing.
   base::WeakPtr<ProfileSyncService> sync_service_;
+  // Listens for changes to the 'enabled' state for password generation.
+  PrefChangeRegistrar registrar_;
 
   // Our copy of the form data.
   ScopedVector<FormStructure> form_structures_;
 
   // GUID to ID mapping.  We keep two maps to convert back and forth.
   mutable std::map<GUIDPair, int> guid_id_map_;
   mutable std::map<int, GUIDPair> id_guid_map_;
 
   // Delegate to perform external processing (display, selection) on
   // our behalf.  Weak.
@@ skipping 18 matching lines @@
                            TestTabContentsWithExternalDelegate);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest,
                            UserHappinessFormLoadAndSubmission);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, UserHappinessFormInteraction);
   FRIEND_TEST_ALL_PREFIXES(AutofillMetricsTest, FormFillDuration);
 
   DISALLOW_COPY_AND_ASSIGN(AutofillManager);
 };
 
 #endif  // CHROME_BROWSER_AUTOFILL_AUTOFILL_MANAGER_H_