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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_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_ | 5 #ifndef CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_ |
| 6 #define CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_ | 6 #define CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_ |
| 7 | 7 |
| 8 #include <functional> | 8 #include <functional> |
| 9 #include <map> | 9 #include <map> |
| 10 #include <set> | 10 #include <set> |
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| 24 #include "components/history/core/browser/history_types.h" | 24 #include "components/history/core/browser/history_types.h" |
| 25 #include "components/keyed_service/core/keyed_service.h" | 25 #include "components/keyed_service/core/keyed_service.h" |
| 26 #include "sql/connection.h" | 26 #include "sql/connection.h" |
| 27 | 27 |
| 28 class HistoryQuickProviderTest; | 28 class HistoryQuickProviderTest; |
| 29 | 29 |
| 30 namespace base { | 30 namespace base { |
| 31 class Time; | 31 class Time; |
| 32 } | 32 } |
| 33 | 33 |
| 34 namespace bookmarks { |
| 35 class BookmarkModel; |
| 36 } |
| 37 |
| 34 namespace in_memory_url_index { | 38 namespace in_memory_url_index { |
| 35 class InMemoryURLIndexCacheItem; | 39 class InMemoryURLIndexCacheItem; |
| 36 } | 40 } |
| 37 | 41 |
| 38 namespace history { | 42 namespace history { |
| 39 class HistoryDatabase; | 43 class HistoryDatabase; |
| 40 class HistoryService; | 44 class HistoryService; |
| 41 } | 45 } |
| 42 | 46 |
| 43 class URLIndexPrivateData; | 47 class URLIndexPrivateData; |
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| 88 // This is called on the UI thread. | 92 // This is called on the UI thread. |
| 89 virtual void OnCacheSaveFinished(bool succeeded) = 0; | 93 virtual void OnCacheSaveFinished(bool succeeded) = 0; |
| 90 }; | 94 }; |
| 91 | 95 |
| 92 // |history_service| which may be null during unit testing is used to register | 96 // |history_service| which may be null during unit testing is used to register |
| 93 // |as an HistoryServiceObserver. |history_dir| is a path to the directory | 97 // |as an HistoryServiceObserver. |history_dir| is a path to the directory |
| 94 // containing the history database within the profile wherein the cache and | 98 // containing the history database within the profile wherein the cache and |
| 95 // transaction journals will be stored. |languages| gives a list of language | 99 // transaction journals will be stored. |languages| gives a list of language |
| 96 // encodings by which URLs and omnibox searches are broken down into words and | 100 // encodings by which URLs and omnibox searches are broken down into words and |
| 97 // characters. | 101 // characters. |
| 98 InMemoryURLIndex(history::HistoryService* history_service, | 102 InMemoryURLIndex(bookmarks::BookmarkModel* bookmark_model, |
| 103 history::HistoryService* history_service, |
| 99 const base::FilePath& history_dir, | 104 const base::FilePath& history_dir, |
| 100 const std::string& languages); | 105 const std::string& languages); |
| 101 ~InMemoryURLIndex() override; | 106 ~InMemoryURLIndex() override; |
| 102 | 107 |
| 103 // Opens and prepares the index of historical URL visits. If the index private | 108 // Opens and prepares the index of historical URL visits. If the index private |
| 104 // data cannot be restored from its cache file then it is rebuilt from the | 109 // data cannot be restored from its cache file then it is rebuilt from the |
| 105 // history database. | 110 // history database. |
| 106 void Init(); | 111 void Init(); |
| 107 | 112 |
| 108 // Scans the history index and returns a vector with all scored, matching | 113 // Scans the history index and returns a vector with all scored, matching |
| 109 // history items. This entry point simply forwards the call on to the | 114 // history items. This entry point simply forwards the call on to the |
| 110 // URLIndexPrivateData class. For a complete description of this function | 115 // URLIndexPrivateData class. For a complete description of this function |
| 111 // refer to that class. If |cursor_position| is base::string16::npos, the | 116 // refer to that class. If |cursor_position| is base::string16::npos, the |
| 112 // function doesn't do anything special with the cursor; this is equivalent | 117 // function doesn't do anything special with the cursor; this is equivalent |
| 113 // to the cursor being at the end. In total, |max_matches| of items will be | 118 // to the cursor being at the end. In total, |max_matches| of items will be |
| 114 // returned in the |ScoredHistoryMatches| vector. | 119 // returned in the |ScoredHistoryMatches| vector. |
| 115 ScoredHistoryMatches HistoryItemsForTerms( | 120 ScoredHistoryMatches HistoryItemsForTerms(const base::string16& term_string, |
| 116 const base::string16& term_string, | 121 size_t cursor_position, |
| 117 size_t cursor_position, | 122 size_t max_matches); |
| 118 size_t max_matches, | |
| 119 const ScoredHistoryMatch::Builder& builder); | |
| 120 | 123 |
| 121 // Deletes the index entry, if any, for the given |url|. | 124 // Deletes the index entry, if any, for the given |url|. |
| 122 void DeleteURL(const GURL& url); | 125 void DeleteURL(const GURL& url); |
| 123 | 126 |
| 124 // Sets the optional observers for completion of restoral and saving of the | 127 // Sets the optional observers for completion of restoral and saving of the |
| 125 // index's private data. | 128 // index's private data. |
| 126 void set_restore_cache_observer( | 129 void set_restore_cache_observer( |
| 127 RestoreCacheObserver* restore_cache_observer) { | 130 RestoreCacheObserver* restore_cache_observer) { |
| 128 restore_cache_observer_ = restore_cache_observer; | 131 restore_cache_observer_ = restore_cache_observer; |
| 129 } | 132 } |
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| 252 | 255 |
| 253 // Returns a pointer to our private data cancelable request tracker. For | 256 // Returns a pointer to our private data cancelable request tracker. For |
| 254 // unit testing only. | 257 // unit testing only. |
| 255 base::CancelableTaskTracker* private_data_tracker() { | 258 base::CancelableTaskTracker* private_data_tracker() { |
| 256 return &private_data_tracker_; | 259 return &private_data_tracker_; |
| 257 } | 260 } |
| 258 | 261 |
| 259 // Returns the set of whitelisted schemes. For unit testing only. | 262 // Returns the set of whitelisted schemes. For unit testing only. |
| 260 const std::set<std::string>& scheme_whitelist() { return scheme_whitelist_; } | 263 const std::set<std::string>& scheme_whitelist() { return scheme_whitelist_; } |
| 261 | 264 |
| 265 // The BookmarkModel; may be null when testing. |
| 266 bookmarks::BookmarkModel* bookmark_model_; |
| 267 |
| 262 // The HistoryService; may be null when testing. | 268 // The HistoryService; may be null when testing. |
| 263 history::HistoryService* history_service_; | 269 history::HistoryService* history_service_; |
| 264 | 270 |
| 265 // Directory where cache file resides. This is, except when unit testing, | 271 // Directory where cache file resides. This is, except when unit testing, |
| 266 // the same directory in which the history database is found. It should never | 272 // the same directory in which the history database is found. It should never |
| 267 // be empty. | 273 // be empty. |
| 268 base::FilePath history_dir_; | 274 base::FilePath history_dir_; |
| 269 | 275 |
| 270 // Languages used during the word-breaking process during indexing. | 276 // Languages used during the word-breaking process during indexing. |
| 271 std::string languages_; | 277 std::string languages_; |
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| 296 bool needs_to_be_cached_; | 302 bool needs_to_be_cached_; |
| 297 | 303 |
| 298 // This flag is set to true if we want to listen to the | 304 // This flag is set to true if we want to listen to the |
| 299 // HistoryServiceLoaded Notification. | 305 // HistoryServiceLoaded Notification. |
| 300 bool listen_to_history_service_loaded_; | 306 bool listen_to_history_service_loaded_; |
| 301 | 307 |
| 302 DISALLOW_COPY_AND_ASSIGN(InMemoryURLIndex); | 308 DISALLOW_COPY_AND_ASSIGN(InMemoryURLIndex); |
| 303 }; | 309 }; |
| 304 | 310 |
| 305 #endif // CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_ | 311 #endif // CHROME_BROWSER_AUTOCOMPLETE_IN_MEMORY_URL_INDEX_H_ |
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