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
13namespace extensions {
14class ExtensionSystem;
15
16// BrowserContextKeyedServiceFactory for ExtensionSystemImpl::Shared.
17// Should not be used except by ExtensionSystem(Factory).
18class 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  virtual ~ExtensionSystemSharedFactory();
30
31  // BrowserContextKeyedServiceFactory implementation:
32  virtual KeyedService* BuildServiceInstanceFor(
33      content::BrowserContext* context) const OVERRIDE;
34  virtual 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.
42class ExtensionSystemFactory : public ExtensionSystemProvider {
43 public:
44  // ExtensionSystem provider implementation:
45  virtual ExtensionSystem* GetForBrowserContext(
46      content::BrowserContext* context) OVERRIDE;
47
48  static ExtensionSystemFactory* GetInstance();
49
50 private:
51  friend struct DefaultSingletonTraits<ExtensionSystemFactory>;
52
53  ExtensionSystemFactory();
54  virtual ~ExtensionSystemFactory();
55
56  // BrowserContextKeyedServiceFactory implementation:
57  virtual KeyedService* BuildServiceInstanceFor(
58      content::BrowserContext* context) const OVERRIDE;
59  virtual content::BrowserContext* GetBrowserContextToUse(
60      content::BrowserContext* context) const OVERRIDE;
61  virtual 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_
69