144 lines
3.8 KiB
C++
144 lines
3.8 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "simplesearchprovider.h"
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#include "core/logging.h"
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#include "playlist/songmimedata.h"
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const int SimpleSearchProvider::kDefaultResultLimit = 6;
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SimpleSearchProvider::Item::Item(const QString& title, const QUrl& url, const QString& keyword)
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: keyword_(keyword)
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{
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metadata_.set_title(title);
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metadata_.set_url(url);
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}
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SimpleSearchProvider::Item::Item(const Song& song, const QString& keyword)
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: keyword_(keyword),
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metadata_(song)
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{
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}
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SimpleSearchProvider::SimpleSearchProvider(Application* app, QObject* parent)
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: BlockingSearchProvider(app, parent),
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result_limit_(kDefaultResultLimit),
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items_dirty_(true),
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has_searched_before_(false)
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{
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}
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void SimpleSearchProvider::MaybeRecreateItems() {
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if (has_searched_before_) {
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RecreateItems();
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} else {
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items_dirty_ = true;
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}
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}
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SearchProvider::ResultList SimpleSearchProvider::Search(int id, const QString& query) {
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Q_UNUSED(id)
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if (items_dirty_) {
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RecreateItems();
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items_dirty_ = false;
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}
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has_searched_before_ = true;
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ResultList ret;
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const QStringList tokens = TokenizeQuery(query);
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QMutexLocker l(&items_mutex_);
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foreach (const Item& item, items_) {
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Result result(this);
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result.type_ = globalsearch::Type_Stream;
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result.match_quality_ = globalsearch::Quality_None;
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foreach (const QString& token, tokens) {
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if (item.keyword_.startsWith(token, Qt::CaseInsensitive)) {
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result.match_quality_ = globalsearch::Quality_AtStart;
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continue;
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}
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if (!item.metadata_.title().contains(token, Qt::CaseInsensitive)) {
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bool matched_safe_word = false;
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foreach (const QString& safe_word, safe_words_) {
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if (safe_word.startsWith(token, Qt::CaseInsensitive)) {
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matched_safe_word = true;
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break;
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}
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}
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if (matched_safe_word)
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continue;
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result.match_quality_ = globalsearch::Quality_None;
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break;
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}
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result.match_quality_ = qMin(result.match_quality_, globalsearch::Quality_Middle);
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}
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if (result.match_quality_ == globalsearch::Quality_Middle) {
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result.match_quality_ = MatchQuality(tokens, item.metadata_.title());
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}
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if (result.match_quality_ != globalsearch::Quality_None) {
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result.metadata_ = item.metadata_;
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ret << result;
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}
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if (ret.count() >= result_limit_)
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break;
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}
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return ret;
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}
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void SimpleSearchProvider::LoadTracksAsync(int id, const Result& result) {
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Song metadata = result.metadata_;
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metadata.set_filetype(Song::Type_Stream);
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SongMimeData* mime_data = new SongMimeData;
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mime_data->songs = SongList() << metadata;
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emit TracksLoaded(id, mime_data);
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}
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void SimpleSearchProvider::SetItems(const ItemList& items) {
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QMutexLocker l(&items_mutex_);
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items_ = items;
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}
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QString SimpleSearchProvider::GetSuggestion() {
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QMutexLocker l(&items_mutex_);
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if (items_.isEmpty())
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return QString();
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for (int attempt=0 ; attempt<10 ; ++attempt) {
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const Item& item = items_[qrand() % items_.count()];
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if (!item.keyword_.isEmpty())
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return item.keyword_;
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if (!item.metadata_.title().isEmpty())
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return item.metadata_.title();
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}
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return QString();
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}
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