chrome/browser/sessions/tab_restore_service_factory.h

   1 // Copyright (c) 2011 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_SESSIONS_TAB_RESTORE_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_FACTORY_H_
   7
   8 #include "base/memory/singleton.h"
   9 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  10
  11 class Profile;
  12
  13 namespace sessions {
  14 class TabRestoreService;
  15 }
  16
  17 // Singleton that owns all TabRestoreServices and associates them with
  18 // Profiles. Listens for the Profile's destruction notification and cleans up
  19 // the associated TabRestoreService.
  20 class TabRestoreServiceFactory : public BrowserContextKeyedServiceFactory {
  21  public:
  22   static sessions::TabRestoreService* GetForProfile(Profile* profile);
  23
  24   // Variant of GetForProfile() that returns NULL if TabRestoreService does not
  25   // exist.
  26   static sessions::TabRestoreService* GetForProfileIfExisting(Profile* profile);
  27
  28   static void ResetForProfile(Profile* profile);
  29
  30   static TabRestoreServiceFactory* GetInstance();
  31
  32  private:
  33   friend struct base::DefaultSingletonTraits<TabRestoreServiceFactory>;
  34
  35   TabRestoreServiceFactory();
  36   ~TabRestoreServiceFactory() override;
  37
  38   // BrowserContextKeyedServiceFactory:
  39   KeyedService* BuildServiceInstanceFor(
  40       content::BrowserContext* browser_context) const override;
  41   bool ServiceIsNULLWhileTesting() const override;
  42 };
  43
  44 #endif  // CHROME_BROWSER_SESSIONS_TAB_RESTORE_SERVICE_FACTORY_H_