605 lines
17 KiB
C++
605 lines
17 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry 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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*
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* Strawberry 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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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <memory>
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#include <functional>
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#include <QtGlobal>
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#include <QObject>
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#include <QDialog>
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#include <QtConcurrent>
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#include <QFuture>
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#include <QDir>
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#include <QFileDialog>
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#include <QFileInfo>
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#include <QList>
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#include <QSet>
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#include <QVariant>
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#include <QString>
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#include <QStringBuilder>
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#include <QRegularExpression>
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#include <QUrl>
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#include <QAbstractItemModel>
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#include <QScrollBar>
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#include <QSettings>
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#include <QtDebug>
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#include "core/application.h"
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#include "core/closure.h"
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#include "core/logging.h"
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#include "core/player.h"
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#include "core/utilities.h"
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#include "collection/collectionbackend.h"
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#include "collection/collectionplaylistitem.h"
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#include "covermanager/albumcoverloaderresult.h"
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#include "covermanager/currentalbumcoverloader.h"
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#include "playlist.h"
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#include "playlistbackend.h"
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#include "playlistcontainer.h"
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#include "playlistmanager.h"
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#include "playlistitem.h"
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#include "playlistview.h"
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#include "playlistsaveoptionsdialog.h"
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#include "playlistparsers/playlistparser.h"
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class ParserBase;
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PlaylistManager::PlaylistManager(Application *app, QObject *parent)
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: PlaylistManagerInterface(app, parent),
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app_(app),
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playlist_backend_(nullptr),
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collection_backend_(nullptr),
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sequence_(nullptr),
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parser_(nullptr),
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playlist_container_(nullptr),
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current_(-1),
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active_(-1),
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playlists_loading_(0)
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{
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connect(app_->player(), SIGNAL(Paused()), SLOT(SetActivePaused()));
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connect(app_->player(), SIGNAL(Playing()), SLOT(SetActivePlaying()));
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connect(app_->player(), SIGNAL(Stopped()), SLOT(SetActiveStopped()));
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}
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PlaylistManager::~PlaylistManager() {
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for (const Data &data : playlists_.values()) {
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delete data.p;
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}
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}
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void PlaylistManager::Init(CollectionBackend *collection_backend, PlaylistBackend *playlist_backend, PlaylistSequence *sequence, PlaylistContainer *playlist_container) {
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collection_backend_ = collection_backend;
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playlist_backend_ = playlist_backend;
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sequence_ = sequence;
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parser_ = new PlaylistParser(collection_backend, this);
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playlist_container_ = playlist_container;
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connect(collection_backend_, SIGNAL(SongsDiscovered(SongList)), SLOT(SongsDiscovered(SongList)));
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connect(collection_backend_, SIGNAL(SongsStatisticsChanged(SongList)), SLOT(SongsDiscovered(SongList)));
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for (const PlaylistBackend::Playlist &p : playlist_backend->GetAllOpenPlaylists()) {
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++playlists_loading_;
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Playlist *ret = AddPlaylist(p.id, p.name, p.special_type, p.ui_path, p.favorite);
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connect(ret, SIGNAL(PlaylistLoaded()), SLOT(PlaylistLoaded()));
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}
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// If no playlist exists then make a new one
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if (playlists_.isEmpty()) New(tr("Playlist"));
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emit PlaylistManagerInitialized();
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}
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void PlaylistManager::PlaylistLoaded() {
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Playlist *playlist = qobject_cast<Playlist*>(sender());
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if (!playlist) return;
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disconnect(playlist, SIGNAL(PlaylistLoaded()), this, SLOT(PlaylistLoaded()));
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--playlists_loading_;
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if (playlists_loading_ == 0) emit AllPlaylistsLoaded();
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}
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QList<Playlist*> PlaylistManager::GetAllPlaylists() const {
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QList<Playlist*> result;
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for (const Data &data : playlists_.values()) {
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result.append(data.p);
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}
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return result;
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}
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QItemSelection PlaylistManager::selection(int id) const {
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QMap<int, Data>::const_iterator it = playlists_.find(id);
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return it->selection;
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}
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Playlist *PlaylistManager::AddPlaylist(const int id, const QString &name, const QString &special_type, const QString &ui_path, const bool favorite) {
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Playlist *ret = new Playlist(playlist_backend_, app_->task_manager(), collection_backend_, id, special_type, favorite);
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ret->set_sequence(sequence_);
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ret->set_ui_path(ui_path);
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connect(ret, SIGNAL(CurrentSongChanged(Song)), SIGNAL(CurrentSongChanged(Song)));
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connect(ret, SIGNAL(SongMetadataChanged(Song)), SIGNAL(SongMetadataChanged(Song)));
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connect(ret, SIGNAL(PlaylistChanged()), SLOT(OneOfPlaylistsChanged()));
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connect(ret, SIGNAL(PlaylistChanged()), SLOT(UpdateSummaryText()));
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connect(ret, SIGNAL(EditingFinished(QModelIndex)), SIGNAL(EditingFinished(QModelIndex)));
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connect(ret, SIGNAL(Error(QString)), SIGNAL(Error(QString)));
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connect(ret, SIGNAL(PlayRequested(QModelIndex, Playlist::AutoScroll)), SIGNAL(PlayRequested(QModelIndex, Playlist::AutoScroll)));
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connect(playlist_container_->view(), SIGNAL(ColumnAlignmentChanged(ColumnAlignmentMap)), ret, SLOT(SetColumnAlignment(ColumnAlignmentMap)));
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connect(app_->current_albumcover_loader(), SIGNAL(AlbumCoverLoaded(Song, AlbumCoverLoaderResult)), ret, SLOT(AlbumCoverLoaded(Song, AlbumCoverLoaderResult)));
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playlists_[id] = Data(ret, name);
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emit PlaylistAdded(id, name, favorite);
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if (current_ == -1) {
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SetCurrentPlaylist(id);
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}
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if (active_ == -1) {
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SetActivePlaylist(id);
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}
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return ret;
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}
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void PlaylistManager::New(const QString &name, const SongList &songs, const QString &special_type) {
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if (name.isNull()) return;
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int id = playlist_backend_->CreatePlaylist(name, special_type);
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if (id == -1) qFatal("Couldn't create playlist");
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Playlist *playlist = AddPlaylist(id, name, special_type, QString(), false);
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playlist->InsertSongsOrCollectionItems(songs);
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SetCurrentPlaylist(id);
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// If the name is just "Playlist", append the id
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if (name == tr("Playlist")) {
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Rename(id, QString("%1 %2").arg(name).arg(id));
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}
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}
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void PlaylistManager::Load(const QString &filename) {
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QFileInfo info(filename);
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int id = playlist_backend_->CreatePlaylist(info.baseName(), QString());
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if (id == -1) {
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emit Error(tr("Couldn't create playlist"));
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return;
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}
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Playlist *playlist = AddPlaylist(id, info.baseName(), QString(), QString(), false);
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QList<QUrl> urls;
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playlist->InsertUrls(urls << QUrl::fromLocalFile(filename));
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}
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void PlaylistManager::Save(const int id, const QString &filename, const Playlist::Path path_type) {
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if (playlists_.contains(id)) {
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parser_->Save(playlist(id)->GetAllSongs(), filename, path_type);
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}
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else {
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// Playlist is not in the playlist manager: probably save action was triggered from the left side bar and the playlist isn't loaded.
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QFuture<QList<Song>> future = QtConcurrent::run(std::bind(&PlaylistBackend::GetPlaylistSongs, playlist_backend_, id));
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NewClosure(future, this, SLOT(ItemsLoadedForSavePlaylist(QFuture<SongList>, QString, Playlist::Path)), future, filename, path_type);
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}
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}
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void PlaylistManager::ItemsLoadedForSavePlaylist(QFuture<SongList> future, const QString &filename, const Playlist::Path path_type) {
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parser_->Save(future.result(), filename, path_type);
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}
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void PlaylistManager::SaveWithUI(const int id, const QString &playlist_name) {
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QSettings settings;
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settings.beginGroup(Playlist::kSettingsGroup);
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QString filename = settings.value("last_save_playlist").toString();
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QString extension = settings.value("last_save_extension", parser()->default_extension()).toString();
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QString filter = settings.value("last_save_filter", parser()->default_filter()).toString();
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QString suggested_filename = playlist_name;
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suggested_filename.replace(QRegularExpression("\\W", QRegularExpression::UseUnicodePropertiesOption), "");
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qLog(Debug) << "Using extension:" << extension;
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// We want to use the playlist tab name (with disallowed characters removed)
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// as a default filename, but in the same directory as the last saved file.
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// Strip off filename components until we find something that's a folder
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forever {
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QFileInfo fileinfo(filename);
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if (filename.isEmpty() || fileinfo.isDir()) break;
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filename = filename.section('/', 0, -2);
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}
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// Use the home directory as a fallback in case the path is empty.
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if (filename.isEmpty()) filename = QDir::homePath();
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// Add the suggested filename
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filename += "/" + suggested_filename + "." + extension;
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qLog(Debug) << "Suggested filename:" << filename;
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filename = QFileDialog::getSaveFileName(nullptr, tr("Save playlist", "Title of the playlist save dialog."), filename, parser()->filters(), &filter);
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if (filename.isNull()) {
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return;
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}
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// Check if the file extension is valid. Fallback to the default if not.
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QFileInfo info(filename);
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ParserBase *parser = parser_->ParserForExtension(info.suffix());
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if (!parser) {
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qLog(Warning) << "Unknown file extension:" << info.suffix();
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filename = info.absolutePath() + "/" + info.fileName() + "." + parser_->default_extension();
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info.setFile(filename);
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filter = info.suffix();
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}
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int p = settings.value(Playlist::kPathType, Playlist::Path_Automatic).toInt();
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Playlist::Path path = static_cast<Playlist::Path>(p);
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if (path == Playlist::Path_Ask_User) {
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PlaylistSaveOptionsDialog optionsDialog(nullptr);
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optionsDialog.setModal(true);
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if (optionsDialog.exec() != QDialog::Accepted) {
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return;
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}
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path = optionsDialog.path_type();
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}
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settings.setValue("last_save_playlist", filename);
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settings.setValue("last_save_filter", filter);
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settings.setValue("last_save_extension", info.suffix());
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Save(id == -1 ? current_id() : id, filename, path);
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}
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void PlaylistManager::Rename(const int id, const QString &new_name) {
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Q_ASSERT(playlists_.contains(id));
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playlist_backend_->RenamePlaylist(id, new_name);
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playlists_[id].name = new_name;
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emit PlaylistRenamed(id, new_name);
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}
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void PlaylistManager::Favorite(const int id, const bool favorite) {
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if (playlists_.contains(id)) {
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// If playlists_ contains this playlist, its means it's opened: star or unstar it.
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playlist_backend_->FavoritePlaylist(id, favorite);
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playlists_[id].p->set_favorite(favorite);
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}
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else {
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Q_ASSERT(!favorite);
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// Otherwise it means user wants to remove this playlist from the left panel,
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// while it's not visible in the playlist tabbar either, because it has been closed: delete it.
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playlist_backend_->RemovePlaylist(id);
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}
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emit PlaylistFavorited(id, favorite);
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}
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bool PlaylistManager::Close(const int id) {
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// Won't allow removing the last playlist
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if (playlists_.count() <= 1 || !playlists_.contains(id)) return false;
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int next_id = -1;
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for (int possible_next_id : playlists_.keys()) {
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if (possible_next_id != id) {
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next_id = possible_next_id;
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break;
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}
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}
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if (next_id == -1) return false;
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if (id == active_) SetActivePlaylist(next_id);
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if (id == current_) SetCurrentPlaylist(next_id);
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Data data = playlists_.take(id);
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emit PlaylistClosed(id);
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if (!data.p->is_favorite()) {
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playlist_backend_->RemovePlaylist(id);
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emit PlaylistDeleted(id);
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}
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delete data.p;
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return true;
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}
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void PlaylistManager::Delete(const int id) {
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if (!Close(id)) {
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return;
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}
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playlist_backend_->RemovePlaylist(id);
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emit PlaylistDeleted(id);
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}
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void PlaylistManager::OneOfPlaylistsChanged() {
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emit PlaylistChanged(qobject_cast<Playlist*>(sender()));
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}
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void PlaylistManager::SetCurrentPlaylist(const int id) {
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Q_ASSERT(playlists_.contains(id));
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// Save the scroll position for the current playlist.
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if (playlists_.contains(current_)) {
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playlists_[current_].scroll_position = playlist_container_->view()->verticalScrollBar()->value();
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}
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current_ = id;
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emit CurrentChanged(current(), playlists_[id].scroll_position);
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UpdateSummaryText();
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}
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void PlaylistManager::SetActivePlaylist(const int id) {
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Q_ASSERT(playlists_.contains(id));
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// Kinda a hack: unset the current item from the old active playlist before setting the new one
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if (active_ != -1 && active_ != id) active()->set_current_row(-1);
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active_ = id;
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emit ActiveChanged(active());
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}
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void PlaylistManager::SetActiveToCurrent() {
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// Check if we need to update the active playlist.
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// By calling SetActiveToCurrent, the playlist manager emits the signal "ActiveChanged".
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// This signal causes the network remote module to send all playlists to the clients, even if no change happen.
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if (current_id() != active_id()) {
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SetActivePlaylist(current_id());
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}
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}
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void PlaylistManager::ClearCurrent() {
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current()->Clear();
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}
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void PlaylistManager::ShuffleCurrent() {
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current()->Shuffle();
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}
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void PlaylistManager::RemoveDuplicatesCurrent() {
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current()->RemoveDuplicateSongs();
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}
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void PlaylistManager::RemoveUnavailableCurrent() {
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current()->RemoveUnavailableSongs();
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}
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void PlaylistManager::SetActivePlaying() { active()->Playing(); }
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void PlaylistManager::SetActivePaused() { active()->Paused(); }
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void PlaylistManager::SetActiveStopped() { active()->Stopped(); }
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void PlaylistManager::ChangePlaylistOrder(const QList<int> &ids) {
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playlist_backend_->SetPlaylistOrder(ids);
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}
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void PlaylistManager::UpdateSummaryText() {
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int tracks = current()->rowCount();
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quint64 nanoseconds = 0;
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int selected = 0;
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// Get the length of the selected tracks
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for (const QItemSelectionRange &range : playlists_[current_id()].selection) {
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if (!range.isValid()) continue;
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selected += range.bottom() - range.top() + 1;
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for (int i = range.top() ; i <= range.bottom() ; ++i) {
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qint64 length = range.model()->index(i, Playlist::Column_Length).data().toLongLong();
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if (length > 0)
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nanoseconds += length;
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}
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}
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QString summary;
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if (selected > 1) {
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summary += tr("%1 selected of").arg(selected) + " ";
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}
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else {
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nanoseconds = current()->GetTotalLength();
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}
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// TODO: Make the plurals translatable
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summary += tracks == 1 ? tr("1 track") : tr("%1 tracks").arg(tracks);
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if (nanoseconds)
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summary += " - [ " + Utilities::WordyTimeNanosec(nanoseconds) + " ]";
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emit SummaryTextChanged(summary);
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}
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void PlaylistManager::SelectionChanged(const QItemSelection &selection) {
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playlists_[current_id()].selection = selection;
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UpdateSummaryText();
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}
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void PlaylistManager::SongsDiscovered(const SongList &songs) {
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// Some songs might've changed in the collection, let's update any playlist items we have that match those songs
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for (const Song &song : songs) {
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for (const Data &data : playlists_) {
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PlaylistItemList items = data.p->collection_items_by_id(song.id());
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for (PlaylistItemPtr item : items) {
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if (item->Metadata().directory_id() != song.directory_id()) continue;
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static_cast<CollectionPlaylistItem*>(item.get())->SetMetadata(song);
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if (item->HasTemporaryMetadata()) item->UpdateTemporaryMetadata(song);
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data.p->ItemChanged(item);
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}
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}
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}
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}
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// When Player has processed the new song chosen by the user...
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void PlaylistManager::SongChangeRequestProcessed(const QUrl &url, const bool valid) {
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for (Playlist *playlist : GetAllPlaylists()) {
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if (playlist->ApplyValidityOnCurrentSong(url, valid)) {
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return;
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}
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}
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}
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void PlaylistManager::InsertUrls(const int id, const QList<QUrl> &urls, const int pos, const bool play_now, const bool enqueue) {
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Q_ASSERT(playlists_.contains(id));
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playlists_[id].p->InsertUrls(urls, pos, play_now, enqueue);
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}
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void PlaylistManager::InsertSongs(const int id, const SongList &songs, const int pos, const bool play_now, const bool enqueue) {
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Q_ASSERT(playlists_.contains(id));
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playlists_[id].p->InsertSongs(songs, pos, play_now, enqueue);
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}
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void PlaylistManager::RemoveItemsWithoutUndo(const int id, const QList<int> &indices) {
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Q_ASSERT(playlists_.contains(id));
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playlists_[id].p->RemoveItemsWithoutUndo(indices);
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}
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void PlaylistManager::RemoveCurrentSong() {
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active()->removeRows(active()->current_index().row(), 1);
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}
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|
|
void PlaylistManager::InvalidateDeletedSongs() {
|
|
for (Playlist *playlist : GetAllPlaylists()) {
|
|
playlist->InvalidateDeletedSongs();
|
|
}
|
|
}
|
|
|
|
void PlaylistManager::RemoveDeletedSongs() {
|
|
|
|
for (Playlist *playlist : GetAllPlaylists()) {
|
|
playlist->RemoveDeletedSongs();
|
|
}
|
|
|
|
}
|
|
|
|
QString PlaylistManager::GetNameForNewPlaylist(const SongList &songs) {
|
|
|
|
if (songs.isEmpty()) {
|
|
return tr("Playlist");
|
|
}
|
|
|
|
QSet<QString> artists;
|
|
QSet<QString> albums;
|
|
|
|
for (const Song &song : songs) {
|
|
artists << (song.artist().isEmpty() ? tr("Unknown") : song.artist());
|
|
albums << (song.album().isEmpty() ? tr("Unknown") : song.album());
|
|
|
|
if (artists.size() > 1) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool various_artists = artists.size() > 1;
|
|
|
|
QString result;
|
|
if (various_artists) {
|
|
result = tr("Various artists");
|
|
}
|
|
else {
|
|
result = artists.values().first();
|
|
}
|
|
|
|
if (!various_artists && albums.size() == 1) {
|
|
result += " - " + albums.values().first();
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
void PlaylistManager::Open(const int id) {
|
|
|
|
if (playlists_.contains(id)) {
|
|
return;
|
|
}
|
|
|
|
const PlaylistBackend::Playlist &p = playlist_backend_->GetPlaylist(id);
|
|
if (p.id != id) {
|
|
return;
|
|
}
|
|
|
|
AddPlaylist(p.id, p.name, p.special_type, p.ui_path, p.favorite);
|
|
|
|
}
|
|
|
|
void PlaylistManager::SetCurrentOrOpen(const int id) {
|
|
|
|
Open(id);
|
|
SetCurrentPlaylist(id);
|
|
|
|
}
|
|
|
|
bool PlaylistManager::IsPlaylistOpen(const int id) {
|
|
return playlists_.contains(id);
|
|
}
|