Clementine-audio-player-Mac.../src/globalsearch/searchprovider.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "searchprovider.h"
#include "core/boundfuturewatcher.h"
#include "internet/core/internetsongmimedata.h"
#include "playlist/songmimedata.h"
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#include <QPainter>
#include <QUrl>
#include <QtConcurrentRun>
const int SearchProvider::kArtHeight = 32;
SearchProvider::SearchProvider(Application* app, QObject* parent)
: QObject(parent), app_(app), hints_(0) {}
void SearchProvider::Init(const QString& name, const QString& id,
const QIcon& icon, Hints hints) {
name_ = name;
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id_ = id;
icon_ = icon;
hints_ = hints;
}
void SearchProvider::SetHint(Hint hint, bool set) {
if (set) {
hints_ |= hint;
} else {
hints_ &= ~hint;
}
}
QStringList SearchProvider::TokenizeQuery(const QString& query) {
QStringList tokens(query.split(QRegExp("\\s+")));
for (QStringList::iterator it = tokens.begin(); it != tokens.end(); ++it) {
(*it).remove('(');
(*it).remove(')');
(*it).remove('"');
const int colon = (*it).indexOf(":");
if (colon != -1) {
(*it).remove(0, colon + 1);
}
}
return tokens;
}
bool SearchProvider::Matches(const QStringList& tokens, const QString& string) {
for (const QString& token : tokens) {
if (!string.contains(token, Qt::CaseInsensitive)) {
return false;
}
}
return true;
}
BlockingSearchProvider::BlockingSearchProvider(Application* app,
QObject* parent)
: SearchProvider(app, parent) {}
void BlockingSearchProvider::SearchAsync(int id, const QString& query) {
QFuture<ResultList> future =
QtConcurrent::run(this, &BlockingSearchProvider::Search, id, query);
BoundFutureWatcher<ResultList, int>* watcher =
new BoundFutureWatcher<ResultList, int>(id);
watcher->setFuture(future);
connect(watcher, SIGNAL(finished()), SLOT(BlockingSearchFinished()));
}
void BlockingSearchProvider::BlockingSearchFinished() {
BoundFutureWatcher<ResultList, int>* watcher =
static_cast<BoundFutureWatcher<ResultList, int>*>(sender());
watcher->deleteLater();
const int id = watcher->data();
emit ResultsAvailable(id, watcher->result());
emit SearchFinished(id);
}
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QImage SearchProvider::ScaleAndPad(const QImage& image) {
if (image.isNull()) return QImage();
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const QSize target_size = QSize(kArtHeight, kArtHeight);
if (image.size() == target_size) return image;
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// Scale the image down
QImage copy;
copy =
image.scaled(target_size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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// Pad the image to kHeight x kHeight
if (copy.size() == target_size) return copy;
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QImage padded_image(kArtHeight, kArtHeight, QImage::Format_ARGB32);
padded_image.fill(0);
QPainter p(&padded_image);
p.drawImage((kArtHeight - copy.width()) / 2, (kArtHeight - copy.height()) / 2,
copy);
p.end();
return padded_image;
}
void SearchProvider::LoadArtAsync(int id, const Result& result) {
emit ArtLoaded(id, QImage());
}
MimeData* SearchProvider::LoadTracks(const ResultList& results) {
MimeData* mime_data = nullptr;
if (mime_data_contains_urls_only()) {
mime_data = new MimeData;
} else {
SongList songs;
for (const Result& result : results) {
songs << result.metadata_;
}
if (internet_service()) {
InternetSongMimeData* internet_song_mime_data =
new InternetSongMimeData(internet_service());
internet_song_mime_data->songs = songs;
mime_data = internet_song_mime_data;
} else {
SongMimeData* song_mime_data = new SongMimeData;
song_mime_data->songs = songs;
mime_data = song_mime_data;
}
}
QList<QUrl> urls;
for (const Result& result : results) {
urls << result.metadata_.url();
}
mime_data->setUrls(urls);
return mime_data;
}