// 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_