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/***************************************************************************
* Copyright (C) 2009-2010 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program 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 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef PLAYLISTMANAGER_H
#define PLAYLISTMANAGER_H
#include <QObject>
#include "playlistmodel.h"
/*!
* @author Ilya Kotov <forkotov02@hotmail.ru>
*/
class PlayListManager : public QObject
{
Q_OBJECT
public:
PlayListManager(QObject *parent);
~PlayListManager();
QList <PlayListModel *> playLists() const;
QStringList playListNames() const;
PlayListModel *selectedPlayList() const;
PlayListModel *currentPlayList() const;
int count();
int indexOf(PlayListModel *model);
PlayListModel *playListAt(int i);
/*!
* Returns state of the "Convert underscores to blanks" option (\b true - enabled, \b false - disabled).
*/
bool convertUnderscore();
/*!
* Returns state of the "Convert %20 to blanks" option (\b true - enabled, \b false - disabled).
*/
bool convertTwenty();
/*!
* Returns the state of metadata usage (\b true - use, \b false - not use).
*/
bool useMetadata();
/*!
* Returns title format string.
*/
const QString format() const;
/*!
* Sets the "Convert underscores to blanks" option state to \b enabled
* @param enabled Option state (\b true - enabled, \b false - disabled)
*/
void setConvertUnderscore(bool enabled);
/*!
* Sets the "Convert %20 to blanks" option state to \b enabled
* @param enabled Option state (\b true - enabled, \b false - disabled)
*/
void setConvertTwenty(bool enabled);
/*!
* Sets metadata usage option state to \b enabled
* @param enabled Option state (\b true - enabled, \b false - disabled)
*/
void setUseMetadata(bool enabled);
/*!
* Sets short title format
* @param format title format. (Expressions: "%p" - artist, "%a" - album, "%t" - title, "%n" - track,
* "%g" - genre, "%c" - comment, "%C" - composer, "%D" - disc number "%f" - file name, "
* %F" - full path, "%y" - year)
*/
void setFormat(const QString &format);
/*!
* Returns state of "Repeat All" option.
*/
bool isRepeatableList() const;
/*!
* Returns state of "Shuffle" option.
*/
bool isShuffle() const;
signals:
void currentPlayListChanged (PlayListModel *current, PlayListModel *previous);
void selectedPlayListChanged (PlayListModel *selected, PlayListModel *previous);
void playListAdded(int index);
void playListRemoved(int index);
void playListsChanged();
/*!
* Emitted when state of the "Repeat All" option has changed.
* @param state New state of the "Repeat All" option (\b true - enabled, \b false disabled)
*/
void repeatableListChanged(bool state);
/*!
* Emitted when state of the "Shuffle" option has changed.
* @param state New state of the "Shuffle" option (\b true - enabled, \b false disabled)
*/
void shuffleChanged(bool state);
/*!
* Emitted when other settings (format, metadata, etc) have changed.
*/
void settingsChanged();
public slots:
void selectPlayList(PlayListModel *model);
void selectPlayList(int index);
void selectNextPlayList();
void selectPreviousPlayList();
void activatePlayList(PlayListModel *model);
PlayListModel *createPlayList(const QString &name = QString());
void removePlayList(PlayListModel *model);
void move(int i, int j);
void setRepeatableList(bool r);
void setShuffle(bool s);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->clear()
*/
void clear();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->clearSelection()
*/
void clearSelection();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->removeSelected()
*/
void removeSelected();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->removeUnselected()
*/
void removeUnselected();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->removeAt(i)
*/
void removeAt (int i);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->removeItem(item)
*/
void removeItem (PlayListItem *item);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->invertSelection()
*/
void invertSelection();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->selectAll()
*/
void selectAll();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->showDetails()
*/
void showDetails();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->addFile(path)
*/
void addFile(const QString &path);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->addFiles(l)
*/
void addFiles(const QStringList& l);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->addDirectory(dir)
*/
void addDirectory(const QString& dir);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->randomizeList()
*/
void randomizeList();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->reverseList()
*/
void reverseList();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->sortSelection(mode)
*/
void sortSelection(int mode);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->sort(mode)
*/
void sort(int mode);
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->addToQueue()
*/
void addToQueue();
/*!
* This is a convenience function and is the same as calling \b selectedPlayList()->clearInvalidItems()
*/
void removeInvalidItems();
private:
void readPlayLists();
void writePlayLists();
QList <PlayListModel *> m_models;
PlayListModel *m_current;
PlayListModel *m_selected;
bool m_repeatable, m_shuffle;
};
#endif // PLAYLISTMANAGER_H
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