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Side by Side Diff: chrome/browser/history/history_backend.h

Issue 151168: Moved typedef of RedirectList from HistoryService class to history namespace.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 11 years, 5 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 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 <utility> 8 #include <utility>
9 9
10 #include "base/gfx/rect.h" 10 #include "base/gfx/rect.h"
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153 int result_count); 153 int result_count);
154 154
155 // Computes the most recent URL(s) that the given canonical URL has 155 // Computes the most recent URL(s) that the given canonical URL has
156 // redirected to and returns true on success. There may be more than one 156 // redirected to and returns true on success. There may be more than one
157 // redirect in a row, so this function will fill the given array with the 157 // redirect in a row, so this function will fill the given array with the
158 // entire chain. If there are no redirects for the most recent visit of the 158 // entire chain. If there are no redirects for the most recent visit of the
159 // URL, or the URL is not in history, returns false. 159 // URL, or the URL is not in history, returns false.
160 // 160 //
161 // Backend for QueryRedirectsFrom. 161 // Backend for QueryRedirectsFrom.
162 bool GetMostRecentRedirectsFrom(const GURL& url, 162 bool GetMostRecentRedirectsFrom(const GURL& url,
163 HistoryService::RedirectList* redirects); 163 history::RedirectList* redirects);
164 164
165 // Similar to above function except computes a chain of redirects to the 165 // Similar to above function except computes a chain of redirects to the
166 // given URL. Stores the most recent list of redirects ending at |url| in the 166 // given URL. Stores the most recent list of redirects ending at |url| in the
167 // given RedirectList. For example, if we have the redirect list A -> B -> C, 167 // given RedirectList. For example, if we have the redirect list A -> B -> C,
168 // then calling this function with url=C would fill redirects with {B, A}. 168 // then calling this function with url=C would fill redirects with {B, A}.
169 bool GetMostRecentRedirectsTo(const GURL& url, 169 bool GetMostRecentRedirectsTo(const GURL& url,
170 HistoryService::RedirectList* redirects); 170 history::RedirectList* redirects);
171 171
172 // Thumbnails ---------------------------------------------------------------- 172 // Thumbnails ----------------------------------------------------------------
173 173
174 void SetPageThumbnail(const GURL& url, 174 void SetPageThumbnail(const GURL& url,
175 const SkBitmap& thumbnail, 175 const SkBitmap& thumbnail,
176 const ThumbnailScore& score); 176 const ThumbnailScore& score);
177 177
178 // Retrieves a thumbnail, passing it across thread boundaries 178 // Retrieves a thumbnail, passing it across thread boundaries
179 // via. the included callback. 179 // via. the included callback.
180 void GetPageThumbnail(scoped_refptr<GetPageThumbnailRequest> request, 180 void GetPageThumbnail(scoped_refptr<GetPageThumbnailRequest> request,
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303 // subroutine for AddPage only. It also assumes the database is valid. 303 // subroutine for AddPage only. It also assumes the database is valid.
304 std::pair<URLID, VisitID> AddPageVisit(const GURL& url, 304 std::pair<URLID, VisitID> AddPageVisit(const GURL& url,
305 base::Time time, 305 base::Time time,
306 VisitID referring_visit, 306 VisitID referring_visit,
307 PageTransition::Type transition); 307 PageTransition::Type transition);
308 308
309 // Returns a redirect chain in |redirects| for the VisitID 309 // Returns a redirect chain in |redirects| for the VisitID
310 // |cur_visit|. |cur_visit| is assumed to be valid. Assumes that 310 // |cur_visit|. |cur_visit| is assumed to be valid. Assumes that
311 // this HistoryBackend object has been Init()ed successfully. 311 // this HistoryBackend object has been Init()ed successfully.
312 void GetRedirectsFromSpecificVisit( 312 void GetRedirectsFromSpecificVisit(
313 VisitID cur_visit, HistoryService::RedirectList* redirects); 313 VisitID cur_visit, history::RedirectList* redirects);
314 314
315 // Similar to the above function except returns a redirect list ending 315 // Similar to the above function except returns a redirect list ending
316 // at |cur_visit|. 316 // at |cur_visit|.
317 void GetRedirectsToSpecificVisit( 317 void GetRedirectsToSpecificVisit(
318 VisitID cur_visit, HistoryService::RedirectList* redirects); 318 VisitID cur_visit, history::RedirectList* redirects);
319 319
320 // Thumbnail Helpers --------------------------------------------------------- 320 // Thumbnail Helpers ---------------------------------------------------------
321 321
322 // When a simple GetMostRecentRedirectsFrom() fails, this method is 322 // When a simple GetMostRecentRedirectsFrom() fails, this method is
323 // called which searches the last N visit sessions instead of just 323 // called which searches the last N visit sessions instead of just
324 // the current one. Returns true and puts thumbnail data in |data| 324 // the current one. Returns true and puts thumbnail data in |data|
325 // if a proper thumbnail was found. Returns false otherwise. Assumes 325 // if a proper thumbnail was found. Returns false otherwise. Assumes
326 // that this HistoryBackend object has been Init()ed successfully. 326 // that this HistoryBackend object has been Init()ed successfully.
327 bool GetThumbnailFromOlderRedirect( 327 bool GetThumbnailFromOlderRedirect(
328 const GURL& page_url, std::vector<unsigned char>* data); 328 const GURL& page_url, std::vector<unsigned char>* data);
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464 464
465 // Maps recent redirect destination pages to the chain of redirects that 465 // Maps recent redirect destination pages to the chain of redirects that
466 // brought us to there. Pages that did not have redirects or were not the 466 // brought us to there. Pages that did not have redirects or were not the
467 // final redirect in a chain will not be in this list, as well as pages that 467 // final redirect in a chain will not be in this list, as well as pages that
468 // redirected "too long" ago (as determined by ExpireOldRedirects above). 468 // redirected "too long" ago (as determined by ExpireOldRedirects above).
469 // It is used to set titles & favicons for redirects to that of the 469 // It is used to set titles & favicons for redirects to that of the
470 // destination. 470 // destination.
471 // 471 //
472 // As with AddPage, the last item in the redirect chain will be the 472 // As with AddPage, the last item in the redirect chain will be the
473 // destination of the redirect (i.e., the key into recent_redirects_); 473 // destination of the redirect (i.e., the key into recent_redirects_);
474 typedef MRUCache<GURL, HistoryService::RedirectList> RedirectCache; 474 typedef MRUCache<GURL, history::RedirectList> RedirectCache;
475 RedirectCache recent_redirects_; 475 RedirectCache recent_redirects_;
476 476
477 // Timestamp of the last page addition request. We use this to detect when 477 // Timestamp of the last page addition request. We use this to detect when
478 // multiple additions are requested at the same time (within the resolution 478 // multiple additions are requested at the same time (within the resolution
479 // of the timer), so we can try to ensure they're unique when they're added 479 // of the timer), so we can try to ensure they're unique when they're added
480 // to the database by using the last_recorded_time_ (q.v.). We still can't 480 // to the database by using the last_recorded_time_ (q.v.). We still can't
481 // enforce or guarantee uniqueness, since the user might set his clock back. 481 // enforce or guarantee uniqueness, since the user might set his clock back.
482 base::Time last_requested_time_; 482 base::Time last_requested_time_;
483 483
484 // Timestamp of the last page addition, as it was recorded in the database. 484 // Timestamp of the last page addition, as it was recorded in the database.
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515 // Publishes the history to all indexers which are registered to receive 515 // Publishes the history to all indexers which are registered to receive
516 // history data from us. Can be NULL if there are no listeners. 516 // history data from us. Can be NULL if there are no listeners.
517 scoped_ptr<HistoryPublisher> history_publisher_; 517 scoped_ptr<HistoryPublisher> history_publisher_;
518 518
519 DISALLOW_COPY_AND_ASSIGN(HistoryBackend); 519 DISALLOW_COPY_AND_ASSIGN(HistoryBackend);
520 }; 520 };
521 521
522 } // namespace history 522 } // namespace history
523 523
524 #endif // CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_ 524 #endif // CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_
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