src/chrome/browser/extensions/extension_system_factory.h

   1 // Copyright (c) 2012 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_EXTENSIONS_EXTENSION_SYSTEM_FACTORY_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_FACTORY_H_
   7
   8 #include "base/memory/singleton.h"
   9 #include "chrome/browser/extensions/extension_system_impl.h"
  10 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  11 #include "extensions/browser/extension_system_provider.h"
  12
  13 namespace extensions {
  14 class ExtensionSystem;
  15
  16 // BrowserContextKeyedServiceFactory for ExtensionSystemImpl::Shared.
  17 // Should not be used except by ExtensionSystem(Factory).
  18 class ExtensionSystemSharedFactory : public BrowserContextKeyedServiceFactory {
  19  public:
  20   static ExtensionSystemImpl::Shared* GetForBrowserContext(
  21       content::BrowserContext* context);
  22
  23   static ExtensionSystemSharedFactory* GetInstance();
  24
  25  private:
  26   friend struct DefaultSingletonTraits<ExtensionSystemSharedFactory>;
  27
  28   ExtensionSystemSharedFactory();
  29   ~ExtensionSystemSharedFactory() override;
  30
  31   // BrowserContextKeyedServiceFactory implementation:
  32   KeyedService* BuildServiceInstanceFor(
  33       content::BrowserContext* context) const override;
  34   content::BrowserContext* GetBrowserContextToUse(
  35       content::BrowserContext* context) const override;
  36
  37   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemSharedFactory);
  38 };
  39
  40 // BrowserContextKeyedServiceFactory for ExtensionSystemImpl.
  41 // TODO(yoz): Rename to ExtensionSystemImplFactory.
  42 class ExtensionSystemFactory : public ExtensionSystemProvider {
  43  public:
  44   // ExtensionSystem provider implementation:
  45   ExtensionSystem* GetForBrowserContext(
  46       content::BrowserContext* context) override;
  47
  48   static ExtensionSystemFactory* GetInstance();
  49
  50  private:
  51   friend struct DefaultSingletonTraits<ExtensionSystemFactory>;
  52
  53   ExtensionSystemFactory();
  54   ~ExtensionSystemFactory() override;
  55
  56   // BrowserContextKeyedServiceFactory implementation:
  57   KeyedService* BuildServiceInstanceFor(
  58       content::BrowserContext* context) const override;
  59   content::BrowserContext* GetBrowserContextToUse(
  60       content::BrowserContext* context) const override;
  61   bool ServiceIsCreatedWithBrowserContext() const override;
  62
  63   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemFactory);
  64 };
  65
  66 }  // namespace extensions
  67
  68 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_FACTORY_H_