1 // Copyright 2013 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 #include "chrome/browser/ui/app_list/search/history.h"
7 #include "base/strings/string_util.h"
8 #include "base/strings/utf_string_conversions.h"
9 #include "chrome/browser/ui/app_list/search/history_data.h"
10 #include "chrome/browser/ui/app_list/search/history_data_store.h"
11 #include "ui/app_list/search/tokenized_string.h"
17 // Normalize the given string by joining all its tokens with a space.
18 std::string NormalizeString(const std::string& utf8) {
19 TokenizedString tokenized(base::UTF8ToUTF16(utf8));
20 return base::UTF16ToUTF8(JoinString(tokenized.tokens(), ' '));
25 History::History(scoped_refptr<HistoryDataStore> store)
28 const size_t kMaxQueryEntries = 1000;
29 const size_t kMaxSecondaryQueries = 5;
32 new HistoryData(store_.get(), kMaxQueryEntries, kMaxSecondaryQueries));
33 data_->AddObserver(this);
37 data_->RemoveObserver(this);
40 bool History::IsReady() const {
44 void History::AddLaunchEvent(const std::string& query,
45 const std::string& result_id) {
47 data_->Add(NormalizeString(query), result_id);
50 scoped_ptr<KnownResults> History::GetKnownResults(
51 const std::string& query) const {
53 return data_->GetKnownResults(NormalizeString(query)).Pass();
56 void History::OnHistoryDataLoadedFromStore() {
60 } // namespace app_list