history_factory.h revision 90dce4d38c5ff5333bea97d859d4e484e27edf0c
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/browser_context_keyed_service/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 BrowserContextKeyedService* 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