chrome/browser/chromeos/file_system_provider/service_factory.h

   1 // Copyright 2014 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_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_FACTORY_H_
   7
   8 #include <map>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/memory/singleton.h"
  13 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  14 #include "content/public/browser/browser_context.h"
  15
  16 namespace chromeos {
  17 namespace file_system_provider {
  18
  19 class Service;
  20
  21 // Creates services per profile.
  22 class ServiceFactory : public BrowserContextKeyedServiceFactory {
  23  public:
  24   // Returns a service instance singleton, after creating it (if necessary).
  25   static Service* Get(content::BrowserContext* context);
  26
  27   // Returns a service instance for the context if exists. Otherwise, returns
  28   // NULL.
  29   static Service* FindExisting(content::BrowserContext* context);
  30
  31   // Gets a singleton instance of the factory.
  32   static ServiceFactory* GetInstance();
  33
  34  private:
  35   friend struct base::DefaultSingletonTraits<ServiceFactory>;
  36
  37   ServiceFactory();
  38   ~ServiceFactory() override;
  39
  40   // BrowserContextKeyedServiceFactory overrides:
  41   KeyedService* BuildServiceInstanceFor(
  42       content::BrowserContext* profile) const override;
  43   bool ServiceIsCreatedWithBrowserContext() const override;
  44   content::BrowserContext* GetBrowserContextToUse(
  45       content::BrowserContext* context) const override;
  46
  47   DISALLOW_COPY_AND_ASSIGN(ServiceFactory);
  48 };
  49
  50 }  // namespace file_system_provider
  51 }  // namespace chromeos
  52
  53 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_FACTORY_H_