| // 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. |
| |
| #include "components/browser_context_keyed_service/browser_context_keyed_base_factory.h" |
| |
| #include "base/prefs/pref_service.h" |
| #include "components/browser_context_keyed_service/browser_context_dependency_manager.h" |
| #include "components/user_prefs/pref_registry_syncable.h" |
| #include "components/user_prefs/user_prefs.h" |
| #include "content/public/browser/browser_context.h" |
| |
| BrowserContextKeyedBaseFactory::BrowserContextKeyedBaseFactory( |
| const char* name, BrowserContextDependencyManager* manager) |
| : dependency_manager_(manager) |
| #ifndef NDEBUG |
| , service_name_(name) |
| #endif |
| { |
| dependency_manager_->AddComponent(this); |
| } |
| |
| BrowserContextKeyedBaseFactory::~BrowserContextKeyedBaseFactory() { |
| dependency_manager_->RemoveComponent(this); |
| } |
| |
| void BrowserContextKeyedBaseFactory::DependsOn( |
| BrowserContextKeyedBaseFactory* rhs) { |
| dependency_manager_->AddEdge(rhs, this); |
| } |
| |
| content::BrowserContext* BrowserContextKeyedBaseFactory::GetBrowserContextToUse( |
| content::BrowserContext* context) const { |
| DCHECK(CalledOnValidThread()); |
| |
| #ifndef NDEBUG |
| dependency_manager_->AssertBrowserContextWasntDestroyed(context); |
| #endif |
| |
| // Safe default for the Incognito mode: no service. |
| if (context->IsOffTheRecord()) |
| return NULL; |
| |
| return context; |
| } |
| |
| void BrowserContextKeyedBaseFactory::RegisterUserPrefsOnBrowserContext( |
| content::BrowserContext* context) { |
| // Safe timing for pref registration is hard. Previously, we made |
| // BrowserContext responsible for all pref registration on every service |
| // that used BrowserContext. Now we don't and there are timing issues. |
| // |
| // With normal contexts, prefs can simply be registered at |
| // BrowserContextDependencyManager::CreateBrowserContextServices time. |
| // With incognito contexts, we just never register since incognito contexts |
| // share the same pref services with their parent contexts. |
| // |
| // TestingBrowserContexts throw a wrench into the mix, in that some tests will |
| // swap out the PrefService after we've registered user prefs on the original |
| // PrefService. Test code that does this is responsible for either manually |
| // invoking RegisterProfilePrefs() on the appropriate |
| // BrowserContextKeyedServiceFactory associated with the prefs they need, |
| // or they can use SetTestingFactory() and create a service (since service |
| // creation with a factory method causes registration to happen at service |
| // creation time). |
| // |
| // Now that services are responsible for declaring their preferences, we have |
| // to enforce a uniquenes check here because some tests create one context and |
| // multiple services of the same type attached to that context (serially, not |
| // parallel) and we don't want to register multiple times on the same context. |
| |
| std::set<content::BrowserContext*>::iterator it = |
| registered_preferences_.find(context); |
| if (it == registered_preferences_.end()) { |
| PrefService* prefs = user_prefs::UserPrefs::Get(context); |
| user_prefs::PrefRegistrySyncable* registry = |
| static_cast<user_prefs::PrefRegistrySyncable*>( |
| prefs->DeprecatedGetPrefRegistry()); |
| RegisterProfilePrefs(registry); |
| registered_preferences_.insert(context); |
| } |
| } |
| |
| bool |
| BrowserContextKeyedBaseFactory::ServiceIsCreatedWithBrowserContext() const { |
| return false; |
| } |
| |
| bool BrowserContextKeyedBaseFactory::ServiceIsNULLWhileTesting() const { |
| return false; |
| } |
| |
| void BrowserContextKeyedBaseFactory::BrowserContextDestroyed( |
| content::BrowserContext* context) { |
| // While object destruction can be customized in ways where the object is |
| // only dereferenced, this still must run on the UI thread. |
| DCHECK(CalledOnValidThread()); |
| |
| registered_preferences_.erase(context); |
| } |
| |
| bool BrowserContextKeyedBaseFactory::ArePreferencesSetOn( |
| content::BrowserContext* context) const { |
| return registered_preferences_.find(context) != |
| registered_preferences_.end(); |
| } |
| |
| void BrowserContextKeyedBaseFactory::MarkPreferencesSetOn( |
| content::BrowserContext* context) { |
| DCHECK(!ArePreferencesSetOn(context)); |
| registered_preferences_.insert(context); |
| } |