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_HISTORY_SHORTCUTS_BACKEND_FACTORY_H_
6#define CHROME_BROWSER_HISTORY_SHORTCUTS_BACKEND_FACTORY_H_
7
8#include "base/memory/ref_counted.h"
9#include "base/memory/singleton.h"
10#include "components/browser_context_keyed_service/refcounted_browser_context_keyed_service_factory.h"
11
12class Profile;
13
14namespace history {
15class ShortcutsBackend;
16}  // namespace history
17
18// Singleton that owns all instances of ShortcutsBackend and associates them
19// with Profiles.
20class ShortcutsBackendFactory
21    : public RefcountedBrowserContextKeyedServiceFactory {
22 public:
23  static scoped_refptr<history::ShortcutsBackend> GetForProfile(
24      Profile* profile);
25
26  static scoped_refptr<history::ShortcutsBackend> GetForProfileIfExists(
27      Profile* profile);
28
29  static ShortcutsBackendFactory* GetInstance();
30
31  // Creates and returns a backend for testing purposes.
32  static scoped_refptr<RefcountedBrowserContextKeyedService>
33      BuildProfileForTesting(content::BrowserContext* profile);
34
35  // Creates and returns a backend but without creating its persistent database
36  // for testing purposes.
37  static scoped_refptr<RefcountedBrowserContextKeyedService>
38      BuildProfileNoDatabaseForTesting(content::BrowserContext* profile);
39
40 private:
41  friend struct DefaultSingletonTraits<ShortcutsBackendFactory>;
42
43  ShortcutsBackendFactory();
44  virtual ~ShortcutsBackendFactory();
45
46  // BrowserContextKeyedServiceFactory:
47  virtual scoped_refptr<RefcountedBrowserContextKeyedService>
48      BuildServiceInstanceFor(content::BrowserContext* profile) const OVERRIDE;
49  virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
50};
51
52#endif  // CHROME_BROWSER_HISTORY_SHORTCUTS_BACKEND_FACTORY_H_
53