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/browser_context_keyed_service/browser_context_keyed_service_factory.h"
  11 #include "extensions/browser/extension_system_provider.h"
  12
  13 class BrowserContextKeyedService;
  14
  15 namespace extensions {
  16 class ExtensionSystem;
  17
  18 // BrowserContextKeyedServiceFactory for ExtensionSystemImpl::Shared.
  19 // Should not be used except by ExtensionSystem(Factory).
  20 class ExtensionSystemSharedFactory : public BrowserContextKeyedServiceFactory {
  21  public:
  22   static ExtensionSystemImpl::Shared* GetForBrowserContext(
  23       content::BrowserContext* context);
  24
  25   static ExtensionSystemSharedFactory* GetInstance();
  26
  27  private:
  28   friend struct DefaultSingletonTraits<ExtensionSystemSharedFactory>;
  29
  30   ExtensionSystemSharedFactory();
  31   virtual ~ExtensionSystemSharedFactory();
  32
  33   // BrowserContextKeyedServiceFactory implementation:
  34   virtual BrowserContextKeyedService* BuildServiceInstanceFor(
  35       content::BrowserContext* context) const OVERRIDE;
  36   virtual content::BrowserContext* GetBrowserContextToUse(
  37       content::BrowserContext* context) const OVERRIDE;
  38
  39   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemSharedFactory);
  40 };
  41
  42 // BrowserContextKeyedServiceFactory for ExtensionSystemImpl.
  43 // TODO(yoz): Rename to ExtensionSystemImplFactory.
  44 class ExtensionSystemFactory : public ExtensionSystemProvider {
  45  public:
  46   // ExtensionSystem provider implementation:
  47   virtual ExtensionSystem* GetForBrowserContext(
  48       content::BrowserContext* context) OVERRIDE;
  49
  50   static ExtensionSystemFactory* GetInstance();
  51
  52  private:
  53   friend struct DefaultSingletonTraits<ExtensionSystemFactory>;
  54
  55   ExtensionSystemFactory();
  56   virtual ~ExtensionSystemFactory();
  57
  58   // BrowserContextKeyedServiceFactory implementation:
  59   virtual BrowserContextKeyedService* BuildServiceInstanceFor(
  60       content::BrowserContext* context) const OVERRIDE;
  61   virtual content::BrowserContext* GetBrowserContextToUse(
  62       content::BrowserContext* context) const OVERRIDE;
  63   virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
  64
  65   DISALLOW_COPY_AND_ASSIGN(ExtensionSystemFactory);
  66 };
  67
  68 }  // namespace extensions
  69
  70 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYSTEM_FACTORY_H_