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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_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ | 5 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ |
6 #define CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ | 6 #define CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/task/cancelable_task_tracker.h" | 11 #include "base/task/cancelable_task_tracker.h" |
12 #include "chrome/browser/history/visit_filter.h" | 12 #include "chrome/browser/history/visit_filter.h" |
13 #include "chrome/browser/ui/webui/ntp/suggestions_source.h" | 13 #include "chrome/browser/ui/webui/ntp/suggestions_source.h" |
14 #include "components/history/core/browser/history_types.h" | 14 #include "components/history/core/browser/history_types.h" |
15 | 15 |
16 class SuggestionsCombiner; | 16 class SuggestionsCombiner; |
17 class Profile; | 17 class Profile; |
18 | 18 |
19 namespace base { | 19 namespace base { |
20 class DictionaryValue; | 20 class DictionaryValue; |
21 } | 21 } |
22 | 22 |
23 // A SuggestionsSource that uses the local TopSites database to provide | 23 // A SuggestionsSource that uses the local TopSites database to provide |
24 // suggestions. | 24 // suggestions. |
25 class SuggestionsSourceTopSites : public SuggestionsSource { | 25 class SuggestionsSourceTopSites : public SuggestionsSource { |
26 public: | 26 public: |
27 SuggestionsSourceTopSites(); | 27 SuggestionsSourceTopSites(); |
28 virtual ~SuggestionsSourceTopSites(); | 28 ~SuggestionsSourceTopSites() override; |
29 | 29 |
30 protected: | 30 protected: |
31 // SuggestionsSource overrides: | 31 // SuggestionsSource overrides: |
32 virtual void SetDebug(bool enable) override; | 32 void SetDebug(bool enable) override; |
33 virtual int GetWeight() override; | 33 int GetWeight() override; |
34 virtual int GetItemCount() override; | 34 int GetItemCount() override; |
35 virtual base::DictionaryValue* PopItem() override; | 35 base::DictionaryValue* PopItem() override; |
36 virtual void FetchItems(Profile* profile) override; | 36 void FetchItems(Profile* profile) override; |
37 virtual void SetCombiner(SuggestionsCombiner* combiner) override; | 37 void SetCombiner(SuggestionsCombiner* combiner) override; |
38 | 38 |
39 void OnSuggestionsUrlsAvailable(const history::FilteredURLList* data); | 39 void OnSuggestionsUrlsAvailable(const history::FilteredURLList* data); |
40 | 40 |
41 private: | 41 private: |
42 | 42 |
43 // Gets the sorting order from the command-line arguments. Defaults to | 43 // Gets the sorting order from the command-line arguments. Defaults to |
44 // |ORDER_BY_RECENCY| if there are no command-line argument specifying a | 44 // |ORDER_BY_RECENCY| if there are no command-line argument specifying a |
45 // sorting order. | 45 // sorting order. |
46 static history::VisitFilter::SortingOrder GetSortingOrder(); | 46 static history::VisitFilter::SortingOrder GetSortingOrder(); |
47 | 47 |
48 // Gets the filter width from the command-line arguments. Defaults to one | 48 // Gets the filter width from the command-line arguments. Defaults to one |
49 // hour if there are no command-line argument setting the filter width. | 49 // hour if there are no command-line argument setting the filter width. |
50 static base::TimeDelta GetFilterWidth(); | 50 static base::TimeDelta GetFilterWidth(); |
51 | 51 |
52 // Our combiner. | 52 // Our combiner. |
53 SuggestionsCombiner* combiner_; | 53 SuggestionsCombiner* combiner_; |
54 | 54 |
55 // Keep the results of the db query here. | 55 // Keep the results of the db query here. |
56 std::deque<base::DictionaryValue*> items_; | 56 std::deque<base::DictionaryValue*> items_; |
57 | 57 |
58 // Whether the source should provide additional debug information or not. | 58 // Whether the source should provide additional debug information or not. |
59 bool debug_; | 59 bool debug_; |
60 | 60 |
61 base::CancelableTaskTracker history_tracker_; | 61 base::CancelableTaskTracker history_tracker_; |
62 | 62 |
63 DISALLOW_COPY_AND_ASSIGN(SuggestionsSourceTopSites); | 63 DISALLOW_COPY_AND_ASSIGN(SuggestionsSourceTopSites); |
64 }; | 64 }; |
65 | 65 |
66 #endif // CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ | 66 #endif // CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_TOP_SITES_H_ |
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