protocol_handler_registry_factory.h revision 90dce4d38c5ff5333bea97d859d4e484e27edf0c 
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_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_
6#define CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
11
12class Profile;
13class ProtocolHandlerRegistry;
14template <typename T> struct DefaultSingletonTraits;
15
16// Singleton that owns all ProtocolHandlerRegistrys and associates them with
17// Profiles. Listens for the Profile's destruction notification and cleans up
18// the associated ProtocolHandlerRegistry.
19class ProtocolHandlerRegistryFactory
20    : public BrowserContextKeyedServiceFactory {
21 public:
22  // Returns the singleton instance of the ProtocolHandlerRegistryFactory.
23  static ProtocolHandlerRegistryFactory* GetInstance();
24
25  // Returns the ProtocolHandlerRegistry that provides intent registration for
26  // |profile|. Ownership stays with this factory object.
27  static ProtocolHandlerRegistry* GetForProfile(Profile* profile);
28
29 protected:
30  // BrowserContextKeyedServiceFactory implementation.
31  virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
32  virtual content::BrowserContext* GetBrowserContextToUse(
33      content::BrowserContext* context) const OVERRIDE;
34  virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
35
36 private:
37  friend struct DefaultSingletonTraits<ProtocolHandlerRegistryFactory>;
38
39  ProtocolHandlerRegistryFactory();
40  virtual ~ProtocolHandlerRegistryFactory();
41
42  // BrowserContextKeyedServiceFactory implementation.
43  virtual BrowserContextKeyedService* BuildServiceInstanceFor(
44      content::BrowserContext* profile) const OVERRIDE;
45
46  DISALLOW_COPY_AND_ASSIGN(ProtocolHandlerRegistryFactory);
47};
48
49#endif  // CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_
50