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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_HISTORY_TOP_SITES_H_ | 5 #ifndef CHROME_BROWSER_HISTORY_TOP_SITES_H_ |
6 #define CHROME_BROWSER_HISTORY_TOP_SITES_H_ | 6 #define CHROME_BROWSER_HISTORY_TOP_SITES_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/gtest_prod_util.h" | 10 #include "base/gtest_prod_util.h" |
11 #include "base/memory/ref_counted.h" | |
12 #include "base/observer_list.h" | 11 #include "base/observer_list.h" |
13 #include "base/task/cancelable_task_tracker.h" | 12 #include "base/task/cancelable_task_tracker.h" |
14 #include "components/history/core/browser/history_types.h" | 13 #include "components/history/core/browser/history_types.h" |
15 #include "components/history/core/browser/top_sites_observer.h" | 14 #include "components/history/core/browser/top_sites_observer.h" |
16 #include "components/history/core/common/thumbnail_score.h" | 15 #include "components/history/core/common/thumbnail_score.h" |
| 16 #include "components/keyed_service/core/refcounted_keyed_service.h" |
17 #include "content/public/browser/notification_observer.h" | 17 #include "content/public/browser/notification_observer.h" |
18 #include "third_party/skia/include/core/SkColor.h" | 18 #include "third_party/skia/include/core/SkColor.h" |
19 #include "ui/gfx/image/image.h" | 19 #include "ui/gfx/image/image.h" |
20 | 20 |
21 class GURL; | 21 class GURL; |
22 class Profile; | 22 class Profile; |
23 | 23 |
24 namespace base { | 24 namespace base { |
25 class FilePath; | 25 class FilePath; |
26 class RefCountedBytes; | 26 class RefCountedBytes; |
27 class RefCountedMemory; | 27 class RefCountedMemory; |
28 } | 28 } |
29 | 29 |
30 namespace history { | 30 namespace history { |
31 | 31 |
32 class TopSitesCache; | 32 class TopSitesCache; |
33 | 33 |
34 // Interface for TopSites, which stores the data for the top "most visited" | 34 // Interface for TopSites, which stores the data for the top "most visited" |
35 // sites. This includes a cache of the most visited data from history, as well | 35 // sites. This includes a cache of the most visited data from history, as well |
36 // as the corresponding thumbnails of those sites. | 36 // as the corresponding thumbnails of those sites. |
37 // | 37 // |
38 // Some methods should only be called from the UI thread (see method | 38 // Some methods should only be called from the UI thread (see method |
39 // descriptions below). All others are assumed to be threadsafe. | 39 // descriptions below). All others are assumed to be threadsafe. |
40 class TopSites | 40 class TopSites : public RefcountedKeyedService, |
41 : public base::RefCountedThreadSafe<TopSites>, | 41 public content::NotificationObserver { |
42 public content::NotificationObserver { | |
43 public: | 42 public: |
44 TopSites(); | 43 TopSites(); |
45 | 44 |
46 // Initializes TopSites. | 45 // Initializes TopSites. |
47 static TopSites* Create(Profile* profile, const base::FilePath& db_name); | 46 static TopSites* Create(Profile* profile, const base::FilePath& db_name); |
48 | 47 |
49 // Sets the given thumbnail for the given URL. Returns true if the thumbnail | 48 // Sets the given thumbnail for the given URL. Returns true if the thumbnail |
50 // was updated. False means either the URL wasn't known to us, or we felt | 49 // was updated. False means either the URL wasn't known to us, or we felt |
51 // that our current thumbnail was superior to the given one. Should be called | 50 // that our current thumbnail was superior to the given one. Should be called |
52 // from the UI thread. | 51 // from the UI thread. |
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191 const int kPrepopulatedPagesCount = 0; | 190 const int kPrepopulatedPagesCount = 0; |
192 #else | 191 #else |
193 const int kPrepopulatedPagesCount = 2; | 192 const int kPrepopulatedPagesCount = 2; |
194 #endif | 193 #endif |
195 extern const TopSites::PrepopulatedPage | 194 extern const TopSites::PrepopulatedPage |
196 kPrepopulatedPages[kPrepopulatedPagesCount]; | 195 kPrepopulatedPages[kPrepopulatedPagesCount]; |
197 | 196 |
198 } // namespace history | 197 } // namespace history |
199 | 198 |
200 #endif // CHROME_BROWSER_HISTORY_TOP_SITES_H_ | 199 #endif // CHROME_BROWSER_HISTORY_TOP_SITES_H_ |
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