blob: 39a3351be987f9b1be567399863ea5d64fecd298 [file] [log] [blame]
// 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.
#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 {
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; }
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) {
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_;