91 lines
2.5 KiB
C++
91 lines
2.5 KiB
C++
/* This file is part of Clementine.
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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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#ifndef PLAYLISTITEM_H
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#define PLAYLISTITEM_H
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#include <QStandardItem>
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#include <QUrl>
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#include <boost/shared_ptr.hpp>
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class Song;
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class QSqlQuery;
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class PlaylistItem {
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public:
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PlaylistItem(const QString& type) : type_(type) {}
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virtual ~PlaylistItem() {}
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static PlaylistItem* NewFromType(const QString& type);
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enum Option {
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Default = 0x00,
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SpecialPlayBehaviour = 0x01,
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ContainsMultipleTracks = 0x02,
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PauseDisabled = 0x04,
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LastFMControls = 0x08,
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};
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Q_DECLARE_FLAGS(Options, Option);
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virtual QString type() const { return type_; }
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virtual Options options() const { return Default; }
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virtual bool InitFromQuery(const QSqlQuery& query) = 0;
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void BindToQuery(QSqlQuery* query) const;
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virtual void Reload() {}
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virtual Song Metadata() const = 0;
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// If the item needs to do anything special before it can play (eg. start
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// streaming the radio stream), then it should implement StartLoading() and
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// return true. If it returns false then the URL from Url() will be passed
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// directly to xine instead.
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virtual void StartLoading() {}
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virtual QUrl Url() const = 0;
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// If the item is a radio station that can play another song after one has
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// finished then it should do so and return true
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virtual void LoadNext() {}
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virtual void SetTemporaryMetadata(const Song& metadata) {Q_UNUSED(metadata)}
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virtual void ClearTemporaryMetadata() {}
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protected:
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enum DatabaseColumn {
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Column_LibraryId,
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Column_Url,
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Column_Title,
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Column_Artist,
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Column_Album,
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Column_Length,
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Column_RadioService,
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};
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virtual QVariant DatabaseValue(DatabaseColumn) const {
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return QVariant(QVariant::String); }
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QString type_;
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};
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typedef QList<boost::shared_ptr<PlaylistItem> > PlaylistItemList;
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Q_DECLARE_OPERATORS_FOR_FLAGS(PlaylistItem::Options);
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#endif // PLAYLISTITEM_H
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