| // Copyright 2013 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 "chrome/browser/ui/app_list/search/history.h" |
| |
| #include "base/files/file_path.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/browser/ui/app_list/search/history_data.h" |
| #include "chrome/browser/ui/app_list/search/history_data_store.h" |
| #include "chrome/browser/ui/app_list/search/tokenized_string.h" |
| #include "content/public/browser/browser_context.h" |
| |
| namespace app_list { |
| |
| namespace { |
| |
| // Normalize the given string by joining all its tokens with a space. |
| std::string NormalizeString(const std::string& utf8) { |
| TokenizedString tokenized(UTF8ToUTF16(utf8)); |
| return UTF16ToUTF8(JoinString(tokenized.tokens(), ' ')); |
| } |
| |
| } // namespace |
| |
| History::History(content::BrowserContext* context) |
| : browser_context_(context), |
| data_loaded_(false) { |
| const char kStoreDataFileName[] = "App Launcher Search"; |
| const size_t kMaxQueryEntries = 1000; |
| const size_t kMaxSecondaryQueries = 5; |
| |
| const base::FilePath data_file = |
| browser_context_->GetPath().AppendASCII(kStoreDataFileName); |
| store_ = new HistoryDataStore(data_file); |
| data_.reset( |
| new HistoryData(store_.get(), kMaxQueryEntries, kMaxSecondaryQueries)); |
| data_->AddObserver(this); |
| } |
| |
| History::~History() { |
| data_->RemoveObserver(this); |
| } |
| |
| bool History::IsReady() const { |
| return data_loaded_; |
| } |
| |
| void History::AddLaunchEvent(const std::string& query, |
| const std::string& result_id) { |
| DCHECK(IsReady()); |
| data_->Add(NormalizeString(query), result_id); |
| } |
| |
| scoped_ptr<KnownResults> History::GetKnownResults( |
| const std::string& query) const { |
| DCHECK(IsReady()); |
| return data_->GetKnownResults(NormalizeString(query)).Pass(); |
| } |
| |
| void History::OnHistoryDataLoadedFromStore() { |
| data_loaded_ = true; |
| } |
| |
| } // namespace app_list |