| // 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_HISTORY_QUICK_PROVIDER_H_ |
| #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "chrome/browser/autocomplete/autocomplete_input.h" |
| #include "chrome/browser/autocomplete/autocomplete_match.h" |
| #include "chrome/browser/autocomplete/history_provider.h" |
| #include "chrome/browser/history/history_types.h" |
| #include "chrome/browser/history/in_memory_url_index.h" |
| |
| class Profile; |
| |
| namespace history { |
| class ScoredHistoryMatch; |
| } // namespace history |
| |
| // This class is an autocomplete provider (a pseudo-internal component of |
| // the history system) which quickly (and synchronously) provides matching |
| // results from recently or frequently visited sites in the profile's |
| // history. |
| class HistoryQuickProvider : public HistoryProvider { |
| public: |
| HistoryQuickProvider(AutocompleteProviderListener* listener, |
| Profile* profile); |
| |
| // AutocompleteProvider. |minimal_changes| is ignored since there is no asynch |
| // completion performed. |
| virtual void Start(const AutocompleteInput& input, |
| bool minimal_changes) OVERRIDE; |
| |
| // Disable this provider. For unit testing purposes only. This is required |
| // because this provider is closely associated with the HistoryURLProvider |
| // and in order to properly test the latter the HistoryQuickProvider must |
| // be disabled. |
| // TODO(mrossetti): Eliminate this once the HUP has been refactored. |
| static void set_disabled(bool disabled) { disabled_ = disabled; } |
| |
| private: |
| friend class HistoryQuickProviderTest; |
| FRIEND_TEST_ALL_PREFIXES(HistoryQuickProviderTest, Spans); |
| FRIEND_TEST_ALL_PREFIXES(HistoryQuickProviderTest, Relevance); |
| |
| virtual ~HistoryQuickProvider(); |
| |
| // Performs the autocomplete matching and scoring. |
| void DoAutocomplete(); |
| |
| // Creates an AutocompleteMatch from |history_match|, assigning it |
| // the score |score|. |
| AutocompleteMatch QuickMatchToACMatch( |
| const history::ScoredHistoryMatch& history_match, |
| int score); |
| |
| // Returns the index that should be used for history lookups. |
| history::InMemoryURLIndex* GetIndex(); |
| |
| // Only for use in unittests. Takes ownership of |index|. |
| void set_index(history::InMemoryURLIndex* index) { |
| index_for_testing_.reset(index); |
| } |
| |
| AutocompleteInput autocomplete_input_; |
| std::string languages_; |
| |
| // Only used for testing. |
| scoped_ptr<history::InMemoryURLIndex> index_for_testing_; |
| |
| // This provider is disabled when true. |
| static bool disabled_; |
| |
| DISALLOW_COPY_AND_ASSIGN(HistoryQuickProvider); |
| }; |
| |
| #endif // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_ |