1// Copyright 2013 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_UI_APP_LIST_SEARCH_HISTORY_FACTORY_H_
6#define CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_FACTORY_H_
7
8#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
9
10template<typename T> struct DefaultSingletonTraits;
11
12namespace content {
13class BrowserContext;
14}
15
16namespace app_list {
17
18class History;
19
20// Singleton that owns all History and associates them with profiles;
21class HistoryFactory : public BrowserContextKeyedServiceFactory {
22 public:
23  // Returns singleton instance of HistoryFactory.
24  static HistoryFactory* GetInstance();
25
26  // Returns History associated with |context|.
27  static History* GetForBrowserContext(content::BrowserContext* context);
28
29 private:
30  friend struct DefaultSingletonTraits<HistoryFactory>;
31
32  HistoryFactory();
33  virtual ~HistoryFactory();
34
35  // BrowserContextKeyedServiceFactory overrides:
36  virtual KeyedService* BuildServiceInstanceFor(
37      content::BrowserContext* context) const OVERRIDE;
38
39  DISALLOW_COPY_AND_ASSIGN(HistoryFactory);
40};
41
42}  // namespace app_list
43
44#endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_FACTORY_H_
45