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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); |
sdefresne
2015/01/22 19:05:05
Remove this method since it has no implementation.
Jitu( very slow this week)
2015/01/23 11:36:52
Done.
| |
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. |
53 virtual bool SetPageThumbnail(const GURL& url, | 52 virtual bool SetPageThumbnail(const GURL& url, |
54 const gfx::Image& thumbnail, | 53 const gfx::Image& thumbnail, |
55 const ThumbnailScore& score) = 0; | 54 const ThumbnailScore& score) = 0; |
56 | 55 |
57 // While testing the history system, we want to set the thumbnail to a piece | 56 // While testing the history system, we want to set the thumbnail to a piece |
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112 // Removes a URL from the blacklist. Should be called from the UI thread. | 111 // Removes a URL from the blacklist. Should be called from the UI thread. |
113 virtual void RemoveBlacklistedURL(const GURL& url) = 0; | 112 virtual void RemoveBlacklistedURL(const GURL& url) = 0; |
114 | 113 |
115 // Returns true if the URL is blacklisted. Should be called from the UI | 114 // Returns true if the URL is blacklisted. Should be called from the UI |
116 // thread. | 115 // thread. |
117 virtual bool IsBlacklisted(const GURL& url) = 0; | 116 virtual bool IsBlacklisted(const GURL& url) = 0; |
118 | 117 |
119 // Clear the blacklist. Should be called from the UI thread. | 118 // Clear the blacklist. Should be called from the UI thread. |
120 virtual void ClearBlacklistedURLs() = 0; | 119 virtual void ClearBlacklistedURLs() = 0; |
121 | 120 |
122 // Shuts down top sites. | |
123 virtual void Shutdown() = 0; | |
124 | |
125 // Query history service for the list of available thumbnails. Returns the | 121 // Query history service for the list of available thumbnails. Returns the |
126 // task id for the request, or |base::CancelableTaskTracker::kBadTaskId| if a | 122 // task id for the request, or |base::CancelableTaskTracker::kBadTaskId| if a |
127 // request could not be made. Public only for testing purposes. | 123 // request could not be made. Public only for testing purposes. |
128 virtual base::CancelableTaskTracker::TaskId StartQueryForMostVisited() = 0; | 124 virtual base::CancelableTaskTracker::TaskId StartQueryForMostVisited() = 0; |
129 | 125 |
130 // Returns true if the given URL is known to the top sites service. | 126 // Returns true if the given URL is known to the top sites service. |
131 // This function also returns false if TopSites isn't loaded yet. | 127 // This function also returns false if TopSites isn't loaded yet. |
132 virtual bool IsKnownURL(const GURL& url) = 0; | 128 virtual bool IsKnownURL(const GURL& url) = 0; |
133 | 129 |
134 // Follows the cached redirect chain to convert any URL to its | 130 // Follows the cached redirect chain to convert any URL to its |
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191 const int kPrepopulatedPagesCount = 0; | 187 const int kPrepopulatedPagesCount = 0; |
192 #else | 188 #else |
193 const int kPrepopulatedPagesCount = 2; | 189 const int kPrepopulatedPagesCount = 2; |
194 #endif | 190 #endif |
195 extern const TopSites::PrepopulatedPage | 191 extern const TopSites::PrepopulatedPage |
196 kPrepopulatedPages[kPrepopulatedPagesCount]; | 192 kPrepopulatedPages[kPrepopulatedPagesCount]; |
197 | 193 |
198 } // namespace history | 194 } // namespace history |
199 | 195 |
200 #endif // CHROME_BROWSER_HISTORY_TOP_SITES_H_ | 196 #endif // CHROME_BROWSER_HISTORY_TOP_SITES_H_ |
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