TrackContainer.h

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/*
 * TrackContainer.h - base-class for all track-containers like Song-Editor,
 *                    Pattern Editor...
 *
 * Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_TRACK_CONTAINER_H
#define LMMS_TRACK_CONTAINER_H
 
#include <QReadWriteLock>
 
#include "Track.h"
#include "JournallingObject.h"
 
namespace lmms
{
 
class AutomationClip;
class InstrumentTrack;
 
namespace gui
{
 
class TrackContainerView;
 
}
 
 
class LMMS_EXPORT TrackContainer : public Model, public JournallingObject
{
    Q_OBJECT
public:
    using TrackList = std::vector<Track*>;
    enum class Type
    {
        Pattern,
        Song
    } ;
 
    TrackContainer();
    ~TrackContainer() override;
 
    void saveSettings( QDomDocument & _doc, QDomElement & _parent ) override;
 
    void loadSettings( const QDomElement & _this ) override;
 
    int countTracks( Track::Type _tt = Track::Type::Count ) const;
 
 
    void addTrack( Track * _track );
    void removeTrack( Track * _track );
    void moveTrack(Track* track, int indexTo);
 
    virtual void updateAfterTrackAdd();
 
    void clearAllTracks();
 
    const TrackList & tracks() const
    {
        return m_tracks;
    }
 
    bool isEmpty() const;
 
    static const QString classNodeName()
    {
        return "trackcontainer";
    }
 
    inline void setType( Type newType )
    {
        m_TrackContainerType = newType;
    }
 
    inline Type type() const
    {
        return m_TrackContainerType;
    }
 
    virtual AutomatedValueMap automatedValuesAt(TimePos time, int clipNum = -1) const;
 
signals:
    void trackAdded( lmms::Track * _track );
    void trackRemoved();
    void trackMoved();
 
protected:
    static AutomatedValueMap automatedValuesFromTracks(const TrackList &tracks, TimePos timeStart, int clipNum = -1);
 
    mutable QReadWriteLock m_tracksMutex;
 
private:
    TrackList m_tracks;
 
    Type m_TrackContainerType;
 
 
    friend class gui::TrackContainerView;
    friend class Track;
 
} ;
 
} // namespace lmms
 
#endif // LMMS_TRACK_CONTAINER_H