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
3 // found in the LICENSE file.
5 #ifndef CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_
6 #define CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_
10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h"
12 #include "chrome/browser/autocomplete/history_provider.h"
13 #include "chrome/browser/history/in_memory_url_index.h"
14 #include "components/history/core/browser/history_types.h"
15 #include "components/omnibox/autocomplete_input.h"
16 #include "components/omnibox/autocomplete_match.h"
21 class ScoredHistoryMatch;
22 } // namespace history
24 // This class is an autocomplete provider (a pseudo-internal component of
25 // the history system) which quickly (and synchronously) provides matching
26 // results from recently or frequently visited sites in the profile's
28 class HistoryQuickProvider : public HistoryProvider {
30 explicit HistoryQuickProvider(Profile* profile);
32 // AutocompleteProvider. |minimal_changes| is ignored since there is no asynch
33 // completion performed.
34 virtual void Start(const AutocompleteInput& input,
35 bool minimal_changes) OVERRIDE;
37 // Disable this provider. For unit testing purposes only. This is required
38 // because this provider is closely associated with the HistoryURLProvider
39 // and in order to properly test the latter the HistoryQuickProvider must
41 // TODO(mrossetti): Eliminate this once the HUP has been refactored.
42 static void set_disabled(bool disabled) { disabled_ = disabled; }
45 friend class HistoryQuickProviderTest;
46 FRIEND_TEST_ALL_PREFIXES(HistoryQuickProviderTest, Spans);
47 FRIEND_TEST_ALL_PREFIXES(HistoryQuickProviderTest, Relevance);
49 virtual ~HistoryQuickProvider();
51 // Performs the autocomplete matching and scoring.
52 void DoAutocomplete();
54 // Creates an AutocompleteMatch from |history_match|, assigning it
56 AutocompleteMatch QuickMatchToACMatch(
57 const history::ScoredHistoryMatch& history_match,
60 // Returns the index that should be used for history lookups.
61 history::InMemoryURLIndex* GetIndex();
63 // Only for use in unittests. Takes ownership of |index|.
64 void set_index(history::InMemoryURLIndex* index) {
65 index_for_testing_.reset(index);
68 AutocompleteInput autocomplete_input_;
69 std::string languages_;
71 // Only used for testing.
72 scoped_ptr<history::InMemoryURLIndex> index_for_testing_;
74 // This provider is disabled when true.
75 static bool disabled_;
77 DISALLOW_COPY_AND_ASSIGN(HistoryQuickProvider);
80 #endif // CHROME_BROWSER_AUTOCOMPLETE_HISTORY_QUICK_PROVIDER_H_