| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_AUTOCOMPLETE_BOOKMARK_PROVIDER_H_ |
| #define CHROME_BROWSER_AUTOCOMPLETE_BOOKMARK_PROVIDER_H_ |
| |
| #include <string> |
| |
| #include "chrome/browser/autocomplete/autocomplete_input.h" |
| #include "chrome/browser/autocomplete/autocomplete_match.h" |
| #include "chrome/browser/autocomplete/autocomplete_provider.h" |
| #include "chrome/browser/history/snippet.h" |
| |
| class BookmarkModel; |
| struct BookmarkTitleMatch; |
| class Profile; |
| |
| // This class is an autocomplete provider which quickly (and synchronously) |
| // provides autocomplete suggestions based on the titles of bookmarks. Page |
| // titles, URLs, and typed and visit counts of the bookmarks are not currently |
| // taken into consideration as those factors will have been used by the |
| // HistoryQuickProvider (HQP) while identifying suggestions. |
| // |
| // TODO(mrossetti): Propose a way to coordinate with the HQP the taking of typed |
| // and visit counts and last visit dates, etc. into consideration while scoring. |
| class BookmarkProvider : public AutocompleteProvider { |
| public: |
| BookmarkProvider(AutocompleteProviderListener* listener, Profile* profile); |
| |
| // When |minimal_changes| is true short circuit any additional searching and |
| // leave the previous matches for this provider unchanged, otherwise perform |
| // a complete search for |input| across all bookmark titles. |
| virtual void Start(const AutocompleteInput& input, |
| bool minimal_changes) OVERRIDE; |
| |
| // Sets the BookmarkModel for unit tests. |
| void set_bookmark_model_for_testing(BookmarkModel* bookmark_model) { |
| bookmark_model_ = bookmark_model; |
| } |
| |
| private: |
| virtual ~BookmarkProvider(); |
| |
| // Performs the actual matching of |input| over the bookmarks and fills in |
| // |matches_|. If |best_match| then only suggest the single best match, |
| // otherwise suggest the top |kMaxMatches| matches. |
| void DoAutocomplete(const AutocompleteInput& input, bool best_match); |
| |
| // Compose an AutocompleteMatch based on |title_match| that has 1) the URL of |
| // title_match's bookmark, and 2) the bookmark's title, not the URL's page |
| // title, as the description. |
| AutocompleteMatch TitleMatchToACMatch(const BookmarkTitleMatch& title_match); |
| |
| // Converts |positions| into ACMatchClassifications and returns the |
| // classifications. |text_length| is used to determine the need to add an |
| // 'unhighlighted' classification span so the tail of the source string |
| // properly highlighted. |
| static ACMatchClassifications ClassificationsFromMatch( |
| const Snippet::MatchPositions& positions, |
| size_t text_length); |
| |
| BookmarkModel* bookmark_model_; |
| |
| // Languages used during the URL formatting. |
| std::string languages_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BookmarkProvider); |
| }; |
| |
| #endif // CHROME_BROWSER_AUTOCOMPLETE_BOOKMARK_PROVIDER_H_ |