blob: e5ee1d33782afb7111aea1c9a5a2bc97c6d955a3 [file] [log] [blame]
// Copyright 2017 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 IOS_CHROME_BROWSER_SIGNIN_IDENTITY_MANAGER_FACTORY_H_
#define IOS_CHROME_BROWSER_SIGNIN_IDENTITY_MANAGER_FACTORY_H_
#include "base/macros.h"
#include "base/no_destructor.h"
#include "base/observer_list.h"
#include "components/keyed_service/ios/browser_state_keyed_service_factory.h"
class IdentityManagerFactoryObserver;
namespace identity {
class IdentityManager;
}
namespace ios {
class ChromeBrowserState;
}
// Singleton that owns all IdentityManager instances and associates them with
// BrowserStates.
class IdentityManagerFactory : public BrowserStateKeyedServiceFactory {
public:
static identity::IdentityManager* GetForBrowserState(
ios::ChromeBrowserState* browser_state);
static identity::IdentityManager* GetForBrowserStateIfExists(
ios::ChromeBrowserState* browser_state);
// Returns an instance of the IdentityManagerFactory singleton.
static IdentityManagerFactory* GetInstance();
// Ensures that IdentityManagerFactory and the factories on which it depends
// are built.
static void EnsureFactoryAndDependeeFactoriesBuilt();
// Methods to register or remove observers of IdentityManager
// creation/shutdown.
void AddObserver(IdentityManagerFactoryObserver* observer);
void RemoveObserver(IdentityManagerFactoryObserver* observer);
private:
friend class base::NoDestructor<IdentityManagerFactory>;
IdentityManagerFactory();
~IdentityManagerFactory() override;
// List of observers. Checks that list is empty on destruction.
base::ObserverList<IdentityManagerFactoryObserver,
/*check_empty=*/true,
/*allow_reentrancy=*/false>
observer_list_;
// BrowserStateKeyedServiceFactory:
std::unique_ptr<KeyedService> BuildServiceInstanceFor(
web::BrowserState* context) const override;
void BrowserStateShutdown(web::BrowserState* context) override;
void RegisterBrowserStatePrefs(
user_prefs::PrefRegistrySyncable* registry) override;
DISALLOW_COPY_AND_ASSIGN(IdentityManagerFactory);
};
#endif // IOS_CHROME_BROWSER_SIGNIN_IDENTITY_MANAGER_FACTORY_H_