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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_HISTORY_SERVICE_H_ | 5 #ifndef CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_ |
6 #define CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_ | 6 #define CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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684 // FAVICON. | 684 // FAVICON. |
685 CancelableTaskTracker::TaskId GetFavicons( | 685 CancelableTaskTracker::TaskId GetFavicons( |
686 const std::vector<GURL>& icon_urls, | 686 const std::vector<GURL>& icon_urls, |
687 int icon_types, | 687 int icon_types, |
688 int desired_size_in_dip, | 688 int desired_size_in_dip, |
689 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 689 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
690 const FaviconService::FaviconResultsCallback& callback, | 690 const FaviconService::FaviconResultsCallback& callback, |
691 CancelableTaskTracker* tracker); | 691 CancelableTaskTracker* tracker); |
692 | 692 |
693 // Used by the FaviconService to get favicons mapped to |page_url| for | 693 // Used by the FaviconService to get favicons mapped to |page_url| for |
694 // |icon_types| which most closely match |desired_size_in_dip| and | 694 // icon_types in |icon_types_in_priority| which most closely match |
695 // |desired_scale_factors|. If |desired_size_in_dip| is 0, the largest favicon | 695 // |desired_size_in_dip| and |desired_scale_factors|. |
696 // bitmap for |icon_types| is returned. The returned FaviconBitmapResults will | 696 // If |desired_size_in_dip| is 0, the largest favicon bitmap for |icon_types| |
697 // have at most one result for each of |desired_scale_factors|. If a favicon | 697 // is returned. The returned FaviconBitmapResults will have at most one |
698 // bitmap is determined to be the best candidate for multiple scale factors | 698 // result for each of |desired_scale_factors|. If a favicon bitmap is |
699 // there will be less results. If |icon_types| has several types, results for | 699 // determined to be the best candidate for multiple scale factors there will |
700 // only a single type will be returned in the priority of | 700 // be less results. If icon_types has several types, results for only a single |
701 // TOUCH_PRECOMPOSED_ICON, TOUCH_ICON, and FAVICON. | 701 // type will be returned in the priority of TOUCH_PRECOMPOSED_ICON, |
702 // TOUCH_ICON, and FAVICON. | |
703 // If |icon_types_in_priority| has more than one element, there is only one | |
704 // icon returned, it is the largest icon which is found according | |
705 // |desired_size_in_dip| and |desired_scale_factors|, and is the first icon | |
706 // larger than |threshold_for_next_icon_types| in the order of icon_types | |
707 // given by |icon_types_priority|. | |
708 // if none icon is larger than |threshold_for_next_icon_types|, the largest | |
709 // one among all types of icon is returned. | |
710 // This feature is especially useful when one type of icon is perfered as | |
711 // long as its size is larger than a specific value. | |
702 CancelableTaskTracker::TaskId GetFaviconsForURL( | 712 CancelableTaskTracker::TaskId GetFaviconsForURL( |
703 const GURL& page_url, | 713 const GURL& page_url, |
704 int icon_types, | 714 const std::vector<int>& icon_types_priority, |
sky
2013/10/08 23:47:52
Make this take FaviconForURLParams.
michaelbai
2013/10/10 05:51:43
Done.
| |
705 int desired_size_in_dip, | 715 int desired_size_in_dip, |
706 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 716 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
717 int threshold_for_next_icon_types, | |
707 const FaviconService::FaviconResultsCallback& callback, | 718 const FaviconService::FaviconResultsCallback& callback, |
708 CancelableTaskTracker* tracker); | 719 CancelableTaskTracker* tracker); |
709 | 720 |
710 // Used by the FaviconService to get the favicon bitmap which most closely | 721 // Used by the FaviconService to get the favicon bitmap which most closely |
711 // matches |desired_size_in_dip| and |desired_scale_factor| from the favicon | 722 // matches |desired_size_in_dip| and |desired_scale_factor| from the favicon |
712 // with |favicon_id| from the history backend. If |desired_size_in_dip| is 0, | 723 // with |favicon_id| from the history backend. If |desired_size_in_dip| is 0, |
713 // the largest favicon bitmap for |favicon_id| is returned. | 724 // the largest favicon bitmap for |favicon_id| is returned. |
714 CancelableTaskTracker::TaskId GetFaviconForID( | 725 CancelableTaskTracker::TaskId GetFaviconForID( |
715 chrome::FaviconID favicon_id, | 726 chrome::FaviconID favicon_id, |
716 int desired_size_in_dip, | 727 int desired_size_in_dip, |
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1063 scoped_ptr<history::InMemoryURLIndex> in_memory_url_index_; | 1074 scoped_ptr<history::InMemoryURLIndex> in_memory_url_index_; |
1064 | 1075 |
1065 ObserverList<history::VisitDatabaseObserver> visit_database_observers_; | 1076 ObserverList<history::VisitDatabaseObserver> visit_database_observers_; |
1066 | 1077 |
1067 history::DeleteDirectiveHandler delete_directive_handler_; | 1078 history::DeleteDirectiveHandler delete_directive_handler_; |
1068 | 1079 |
1069 DISALLOW_COPY_AND_ASSIGN(HistoryService); | 1080 DISALLOW_COPY_AND_ASSIGN(HistoryService); |
1070 }; | 1081 }; |
1071 | 1082 |
1072 #endif // CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_ | 1083 #endif // CHROME_BROWSER_HISTORY_HISTORY_SERVICE_H_ |
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