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1 // Copyright 2015 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_TOP_SITES_FACTORY_H_ | |
6 #define CHROME_BROWSER_HISTORY_TOP_SITES_FACTORY_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "chrome/browser/profiles/profile.h" | |
sdefresne
2015/01/23 13:25:46
nit: you can remove this #include and instead forw
Jitu( very slow this week)
2015/01/23 13:52:52
Done.
| |
10 #include "components/keyed_service/content/refcounted_browser_context_keyed_serv ice_factory.h" | |
11 | |
12 namespace history { | |
13 class TopSites; | |
14 } | |
15 | |
16 template <typename T> | |
17 struct DefaultSingletonTraits; | |
18 | |
19 // Used for creating and fetching a per-profile instance of the | |
20 // TopSites. | |
21 class TopSitesFactory : public RefcountedBrowserContextKeyedServiceFactory { | |
22 public: | |
23 // Get the TopSites service for |profile|, creating one if needed. | |
24 static scoped_refptr<history::TopSites> GetForProfile(Profile* profile); | |
25 | |
26 // Get the TopSites service for |profile|, but do not create it if it doesn't | |
27 // exist. | |
28 static scoped_refptr<history::TopSites> GetForProfileIfExists( | |
29 Profile* profile); | |
30 | |
31 // Get the singleton instance of the factory. | |
32 static TopSitesFactory* GetInstance(); | |
33 | |
34 private: | |
35 friend struct DefaultSingletonTraits<TopSitesFactory>; | |
36 // Overridden from BrowserContextKeyedServiceFactory. | |
37 scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor( | |
38 content::BrowserContext* context) const override; | |
39 bool ServiceIsNULLWhileTesting() const override; | |
40 | |
41 TopSitesFactory(); | |
42 ~TopSitesFactory() override; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(TopSitesFactory); | |
45 }; | |
46 | |
47 #endif // CHROME_BROWSER_HISTORY_TOP_SITES_FACTORY_H_ | |
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