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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_BACKEND_H_ | 5 #ifndef CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_ |
| 6 #define CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_ | 6 #define CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_ |
| 7 | 7 |
| 8 #include <set> | 8 #include <set> |
| 9 #include <string> | 9 #include <string> |
| 10 #include <utility> | 10 #include <utility> |
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| 209 bool GetMostRecentRedirectsTo(const GURL& url, | 209 bool GetMostRecentRedirectsTo(const GURL& url, |
| 210 history::RedirectList* redirects); | 210 history::RedirectList* redirects); |
| 211 | 211 |
| 212 // Favicon ------------------------------------------------------------------- | 212 // Favicon ------------------------------------------------------------------- |
| 213 | 213 |
| 214 void GetFavicons( | 214 void GetFavicons( |
| 215 const std::vector<GURL>& icon_urls, | 215 const std::vector<GURL>& icon_urls, |
| 216 int icon_types, | 216 int icon_types, |
| 217 int desired_size_in_dip, | 217 int desired_size_in_dip, |
| 218 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 218 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
| 219 std::vector<favicon_base::FaviconBitmapResult>* bitmap_results); | 219 std::vector<favicon_base::FaviconRawBitmapResult>* bitmap_results); |
| 220 | 220 |
| 221 void GetLargestFaviconForURL( | 221 void GetLargestFaviconForURL( |
| 222 const GURL& page_url, | 222 const GURL& page_url, |
| 223 const std::vector<int>& icon_types, | 223 const std::vector<int>& icon_types, |
| 224 int minimum_size_in_pixels, | 224 int minimum_size_in_pixels, |
| 225 favicon_base::FaviconBitmapResult* bitmap_result); | 225 favicon_base::FaviconRawBitmapResult* bitmap_result); |
| 226 | 226 |
| 227 void GetFaviconsForURL( | 227 void GetFaviconsForURL( |
| 228 const GURL& page_url, | 228 const GURL& page_url, |
| 229 int icon_types, | 229 int icon_types, |
| 230 int desired_size_in_dip, | 230 int desired_size_in_dip, |
| 231 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 231 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
| 232 std::vector<favicon_base::FaviconBitmapResult>* bitmap_results); | 232 std::vector<favicon_base::FaviconRawBitmapResult>* bitmap_results); |
| 233 | 233 |
| 234 void GetFaviconForID( | 234 void GetFaviconForID( |
| 235 favicon_base::FaviconID favicon_id, | 235 favicon_base::FaviconID favicon_id, |
| 236 int desired_size_in_dip, | 236 int desired_size_in_dip, |
| 237 ui::ScaleFactor desired_scale_factor, | 237 ui::ScaleFactor desired_scale_factor, |
| 238 std::vector<favicon_base::FaviconBitmapResult>* bitmap_results); | 238 std::vector<favicon_base::FaviconRawBitmapResult>* bitmap_results); |
| 239 | 239 |
| 240 void UpdateFaviconMappingsAndFetch( | 240 void UpdateFaviconMappingsAndFetch( |
| 241 const GURL& page_url, | 241 const GURL& page_url, |
| 242 const std::vector<GURL>& icon_urls, | 242 const std::vector<GURL>& icon_urls, |
| 243 int icon_types, | 243 int icon_types, |
| 244 int desired_size_in_dip, | 244 int desired_size_in_dip, |
| 245 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 245 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
| 246 std::vector<favicon_base::FaviconBitmapResult>* bitmap_results); | 246 std::vector<favicon_base::FaviconRawBitmapResult>* bitmap_results); |
| 247 | 247 |
| 248 void MergeFavicon(const GURL& page_url, | 248 void MergeFavicon(const GURL& page_url, |
| 249 const GURL& icon_url, | 249 const GURL& icon_url, |
| 250 favicon_base::IconType icon_type, | 250 favicon_base::IconType icon_type, |
| 251 scoped_refptr<base::RefCountedMemory> bitmap_data, | 251 scoped_refptr<base::RefCountedMemory> bitmap_data, |
| 252 const gfx::Size& pixel_size); | 252 const gfx::Size& pixel_size); |
| 253 | 253 |
| 254 void SetFavicons( | 254 void SetFavicons(const GURL& page_url, |
| 255 const GURL& page_url, | 255 favicon_base::IconType icon_type, |
| 256 favicon_base::IconType icon_type, | 256 const std::vector<favicon_base::FaviconRawBitmapData>& |
| 257 const std::vector<favicon_base::FaviconBitmapData>& favicon_bitmap_data); | 257 favicon_bitmap_data); |
| 258 | 258 |
| 259 void SetFaviconsOutOfDateForPage(const GURL& page_url); | 259 void SetFaviconsOutOfDateForPage(const GURL& page_url); |
| 260 | 260 |
| 261 void CloneFavicons(const GURL& old_page_url, const GURL& new_page_url); | 261 void CloneFavicons(const GURL& old_page_url, const GURL& new_page_url); |
| 262 | 262 |
| 263 void SetImportedFavicons( | 263 void SetImportedFavicons( |
| 264 const std::vector<ImportedFaviconUsage>& favicon_usage); | 264 const std::vector<ImportedFaviconUsage>& favicon_usage); |
| 265 | 265 |
| 266 // Downloads ----------------------------------------------------------------- | 266 // Downloads ----------------------------------------------------------------- |
| 267 | 267 |
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| 645 // If |page_url| is non-null, |icon_types| can be multiple icon types | 645 // If |page_url| is non-null, |icon_types| can be multiple icon types |
| 646 // only if |icon_types| == TOUCH_ICON | TOUCH_PRECOMPOSED_ICON. | 646 // only if |icon_types| == TOUCH_ICON | TOUCH_PRECOMPOSED_ICON. |
| 647 // If multiple icon types are specified, |page_url| will be mapped to the | 647 // If multiple icon types are specified, |page_url| will be mapped to the |
| 648 // icon URLs of the largest type available in the database. | 648 // icon URLs of the largest type available in the database. |
| 649 void UpdateFaviconMappingsAndFetchImpl( | 649 void UpdateFaviconMappingsAndFetchImpl( |
| 650 const GURL* page_url, | 650 const GURL* page_url, |
| 651 const std::vector<GURL>& icon_urls, | 651 const std::vector<GURL>& icon_urls, |
| 652 int icon_types, | 652 int icon_types, |
| 653 int desired_size_in_dip, | 653 int desired_size_in_dip, |
| 654 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 654 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
| 655 std::vector<favicon_base::FaviconBitmapResult>* results); | 655 std::vector<favicon_base::FaviconRawBitmapResult>* results); |
| 656 | 656 |
| 657 // Set the favicon bitmaps for |icon_id|. | 657 // Set the favicon bitmaps for |icon_id|. |
| 658 // For each entry in |favicon_bitmap_data|, if a favicon bitmap already | 658 // For each entry in |favicon_bitmap_data|, if a favicon bitmap already |
| 659 // exists at the entry's pixel size, replace the favicon bitmap's data with | 659 // exists at the entry's pixel size, replace the favicon bitmap's data with |
| 660 // the entry's bitmap data. Otherwise add a new favicon bitmap. | 660 // the entry's bitmap data. Otherwise add a new favicon bitmap. |
| 661 // Any favicon bitmaps already mapped to |icon_id| whose pixel sizes are not | 661 // Any favicon bitmaps already mapped to |icon_id| whose pixel sizes are not |
| 662 // in |favicon_bitmap_data| are deleted. | 662 // in |favicon_bitmap_data| are deleted. |
| 663 // If not NULL, |favicon_bitmaps_changed| is set to whether any of the bitmap | 663 // If not NULL, |favicon_bitmaps_changed| is set to whether any of the bitmap |
| 664 // data at |icon_id| is changed as a result of calling this method. | 664 // data at |icon_id| is changed as a result of calling this method. |
| 665 // Computing |favicon_bitmaps_changed| requires additional database queries | 665 // Computing |favicon_bitmaps_changed| requires additional database queries |
| 666 // so should be avoided if unnecessary. | 666 // so should be avoided if unnecessary. |
| 667 void SetFaviconBitmaps( | 667 void SetFaviconBitmaps(favicon_base::FaviconID icon_id, |
| 668 favicon_base::FaviconID icon_id, | 668 const std::vector<favicon_base::FaviconRawBitmapData>& |
| 669 const std::vector<favicon_base::FaviconBitmapData>& favicon_bitmap_data, | 669 favicon_bitmap_data, |
| 670 bool* favicon_bitmaps_changed); | 670 bool* favicon_bitmaps_changed); |
| 671 | 671 |
| 672 // Returns true if |favicon_bitmap_data| passed to SetFavicons() is valid. | 672 // Returns true if |favicon_bitmap_data| passed to SetFavicons() is valid. |
| 673 // Criteria: | 673 // Criteria: |
| 674 // 1) |favicon_bitmap_data| contains no more than | 674 // 1) |favicon_bitmap_data| contains no more than |
| 675 // kMaxFaviconsPerPage unique icon URLs. | 675 // kMaxFaviconsPerPage unique icon URLs. |
| 676 // kMaxFaviconBitmapsPerIconURL favicon bitmaps for each icon URL. | 676 // kMaxFaviconBitmapsPerIconURL favicon bitmaps for each icon URL. |
| 677 // 2) FaviconBitmapData::bitmap_data contains non NULL bitmap data. | 677 // 2) FaviconRawBitmapData::bitmap_data contains non NULL bitmap data. |
| 678 bool ValidateSetFaviconsParams(const std::vector< | 678 bool ValidateSetFaviconsParams(const std::vector< |
| 679 favicon_base::FaviconBitmapData>& favicon_bitmap_data) const; | 679 favicon_base::FaviconRawBitmapData>& favicon_bitmap_data) const; |
| 680 | 680 |
| 681 // Returns true if the bitmap data at |bitmap_id| equals |new_bitmap_data|. | 681 // Returns true if the bitmap data at |bitmap_id| equals |new_bitmap_data|. |
| 682 bool IsFaviconBitmapDataEqual( | 682 bool IsFaviconBitmapDataEqual( |
| 683 FaviconBitmapID bitmap_id, | 683 FaviconBitmapID bitmap_id, |
| 684 const scoped_refptr<base::RefCountedMemory>& new_bitmap_data); | 684 const scoped_refptr<base::RefCountedMemory>& new_bitmap_data); |
| 685 | 685 |
| 686 // Returns true if there are favicons for |page_url| and one of the types in | 686 // Returns true if there are favicons for |page_url| and one of the types in |
| 687 // |icon_types|. | 687 // |icon_types|. |
| 688 // |favicon_bitmap_results| is set to the favicon bitmaps which most closely | 688 // |favicon_bitmap_results| is set to the favicon bitmaps which most closely |
| 689 // match |desired_size_in_dip| and |desired_scale_factors|. If | 689 // match |desired_size_in_dip| and |desired_scale_factors|. If |
| 690 // |desired_size_in_dip| is 0, the largest favicon bitmap with one of the icon | 690 // |desired_size_in_dip| is 0, the largest favicon bitmap with one of the icon |
| 691 // types in |icon_types| is returned. If |icon_types| contains multiple icon | 691 // types in |icon_types| is returned. If |icon_types| contains multiple icon |
| 692 // types and there are several matched icon types in the database, results | 692 // types and there are several matched icon types in the database, results |
| 693 // will only be returned for a single icon type in the priority of | 693 // will only be returned for a single icon type in the priority of |
| 694 // TOUCH_PRECOMPOSED_ICON, TOUCH_ICON, and FAVICON. See the comment for | 694 // TOUCH_PRECOMPOSED_ICON, TOUCH_ICON, and FAVICON. See the comment for |
| 695 // GetFaviconResultsForBestMatch() for more details on how | 695 // GetFaviconResultsForBestMatch() for more details on how |
| 696 // |favicon_bitmap_results| is constructed. | 696 // |favicon_bitmap_results| is constructed. |
| 697 bool GetFaviconsFromDB( | 697 bool GetFaviconsFromDB( |
| 698 const GURL& page_url, | 698 const GURL& page_url, |
| 699 int icon_types, | 699 int icon_types, |
| 700 const int desired_size_in_dip, | 700 const int desired_size_in_dip, |
| 701 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 701 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
| 702 std::vector<favicon_base::FaviconBitmapResult>* favicon_bitmap_results); | 702 std::vector<favicon_base::FaviconRawBitmapResult>* |
| 703 favicon_bitmap_results); |
| 703 | 704 |
| 704 // Returns the favicon bitmaps which most closely match |desired_size_in_dip| | 705 // Returns the favicon bitmaps which most closely match |desired_size_in_dip| |
| 705 // and |desired_scale_factors| in |favicon_bitmap_results|. If | 706 // and |desired_scale_factors| in |favicon_bitmap_results|. If |
| 706 // |desired_size_in_dip| is 0, only the largest favicon bitmap is returned. | 707 // |desired_size_in_dip| is 0, only the largest favicon bitmap is returned. |
| 707 // Goodness is computed via SelectFaviconBitmapIDs(). It is computed on a | 708 // Goodness is computed via SelectFaviconBitmapIDs(). It is computed on a |
| 708 // per favicon id basis, thus all |favicon_bitmap_results| are guaranteed to | 709 // per favicon id basis, thus all |favicon_bitmap_results| are guaranteed to |
| 709 // be for the same FaviconID. |favicon_bitmap_results| will have at most one | 710 // be for the same FaviconID. |favicon_bitmap_results| will have at most one |
| 710 // entry for each desired scale factor. There will be less entries if the same | 711 // entry for each desired scale factor. There will be less entries if the same |
| 711 // favicon bitmap is the best result for multiple scale factors. | 712 // favicon bitmap is the best result for multiple scale factors. |
| 712 // Returns true if there were no errors. | 713 // Returns true if there were no errors. |
| 713 bool GetFaviconBitmapResultsForBestMatch( | 714 bool GetFaviconBitmapResultsForBestMatch( |
| 714 const std::vector<favicon_base::FaviconID>& candidate_favicon_ids, | 715 const std::vector<favicon_base::FaviconID>& candidate_favicon_ids, |
| 715 int desired_size_in_dip, | 716 int desired_size_in_dip, |
| 716 const std::vector<ui::ScaleFactor>& desired_scale_factors, | 717 const std::vector<ui::ScaleFactor>& desired_scale_factors, |
| 717 std::vector<favicon_base::FaviconBitmapResult>* favicon_bitmap_results); | 718 std::vector<favicon_base::FaviconRawBitmapResult>* |
| 719 favicon_bitmap_results); |
| 718 | 720 |
| 719 // Maps the favicon ids in |icon_ids| to |page_url| (and all redirects) | 721 // Maps the favicon ids in |icon_ids| to |page_url| (and all redirects) |
| 720 // for |icon_type|. | 722 // for |icon_type|. |
| 721 // Returns true if the mappings for the page or any of its redirects were | 723 // Returns true if the mappings for the page or any of its redirects were |
| 722 // changed. | 724 // changed. |
| 723 bool SetFaviconMappingsForPageAndRedirects( | 725 bool SetFaviconMappingsForPageAndRedirects( |
| 724 const GURL& page_url, | 726 const GURL& page_url, |
| 725 favicon_base::IconType icon_type, | 727 favicon_base::IconType icon_type, |
| 726 const std::vector<favicon_base::FaviconID>& icon_ids); | 728 const std::vector<favicon_base::FaviconID>& icon_ids); |
| 727 | 729 |
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| 871 | 873 |
| 872 // Listens for the system being under memory pressure. | 874 // Listens for the system being under memory pressure. |
| 873 scoped_ptr<base::MemoryPressureListener> memory_pressure_listener_; | 875 scoped_ptr<base::MemoryPressureListener> memory_pressure_listener_; |
| 874 | 876 |
| 875 DISALLOW_COPY_AND_ASSIGN(HistoryBackend); | 877 DISALLOW_COPY_AND_ASSIGN(HistoryBackend); |
| 876 }; | 878 }; |
| 877 | 879 |
| 878 } // namespace history | 880 } // namespace history |
| 879 | 881 |
| 880 #endif // CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_ | 882 #endif // CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_ |
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