chrome/browser/content_settings/host_content_settings_map_factory.cc

   1 // Copyright 2015 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 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
   6
   7 #include "chrome/browser/profiles/off_the_record_profile_impl.h"
   8 #include "chrome/browser/profiles/profile.h"
   9 #include "components/content_settings/core/browser/host_content_settings_map.h"
  10 #include "components/keyed_service/content/browser_context_dependency_manager.h"
  11 #include "content/public/browser/browser_thread.h"
  12
  13 #if defined(ENABLE_EXTENSIONS)
  14 #include "chrome/browser/extensions/extension_service.h"
  15 #include "extensions/browser/extension_system.h"
  16 #include "extensions/browser/extension_system_provider.h"
  17 #include "extensions/browser/extensions_browser_client.h"
  18 #endif
  19
  20 #if defined(ENABLE_SUPERVISED_USERS)
  21 #include "chrome/browser/content_settings/content_settings_supervised_provider.h"
  22 #include "chrome/browser/supervised_user/supervised_user_settings_service.h"
  23 #include "chrome/browser/supervised_user/supervised_user_settings_service_factory.h"
  24 #endif
  25
  26 HostContentSettingsMapFactory::HostContentSettingsMapFactory()
  27     : RefcountedBrowserContextKeyedServiceFactory(
  28         "HostContentSettingsMap",
  29         BrowserContextDependencyManager::GetInstance()) {
  30 #if defined(ENABLE_SUPERVISED_USERS)
  31   DependsOn(SupervisedUserSettingsServiceFactory::GetInstance());
  32 #endif
  33 #if defined(ENABLE_EXTENSIONS)
  34   DependsOn(
  35       extensions::ExtensionsBrowserClient::Get()->GetExtensionSystemFactory());
  36 #endif
  37 }
  38
  39 HostContentSettingsMapFactory::~HostContentSettingsMapFactory() {
  40 }
  41
  42 // static
  43 HostContentSettingsMap* HostContentSettingsMapFactory::GetForProfile(
  44     Profile* profile) {
  45   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
  46
  47   return static_cast<HostContentSettingsMap*>(
  48       GetInstance()->GetServiceForBrowserContext(profile, true).get());
  49 }
  50
  51 // static
  52 HostContentSettingsMapFactory* HostContentSettingsMapFactory::GetInstance() {
  53   return base::Singleton<HostContentSettingsMapFactory>::get();
  54 }
  55
  56 scoped_refptr<RefcountedKeyedService>
  57     HostContentSettingsMapFactory::BuildServiceInstanceFor(
  58     content::BrowserContext* context) const {
  59   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
  60
  61   Profile* profile = static_cast<Profile*>(context);
  62   bool off_the_record = profile->GetProfileType() == Profile::INCOGNITO_PROFILE;
  63
  64   // If off the record, retrieve the host content settings map of the parent
  65   // profile in order to ensure the preferences have been migrated.
  66   if (off_the_record)
  67     GetForProfile(profile->GetOriginalProfile());
  68
  69   scoped_refptr<HostContentSettingsMap> settings_map(
  70       new HostContentSettingsMap(profile->GetPrefs(), off_the_record));
  71
  72 #if defined(ENABLE_EXTENSIONS)
  73   ExtensionService *ext_service =
  74       extensions::ExtensionSystem::Get(profile)->extension_service();
  75   // This may be null in testing or when the extenion_service hasn't been
  76   // initialized, in which case it will be registered then.
  77   if (ext_service)
  78     ext_service->RegisterContentSettings(settings_map.get());
  79 #endif // defined(ENABLE_EXTENSIONS)
  80 #if defined(ENABLE_SUPERVISED_USERS)
  81   SupervisedUserSettingsService* supervised_service =
  82       SupervisedUserSettingsServiceFactory::GetForProfile(profile);
  83   // This may be null in testing.
  84   if (supervised_service) {
  85     scoped_ptr<content_settings::SupervisedProvider> supervised_provider(
  86         new content_settings::SupervisedProvider(supervised_service));
  87     settings_map->RegisterProvider(HostContentSettingsMap::SUPERVISED_PROVIDER,
  88         supervised_provider.Pass());
  89   }
  90 #endif // defined(ENABLE_SUPERVISED_USERS)
  91
  92   return settings_map;
  93 }
  94
  95 content::BrowserContext* HostContentSettingsMapFactory::GetBrowserContextToUse(
  96     content::BrowserContext* context) const {
  97   return context;
  98 }