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oak-editor/app/node/output/timeline/tracklist.h
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
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 3 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, see <http://www.gnu.org/licenses/>.
***/
#ifndef TRACKLIST_H
#define TRACKLIST_H
#include <QObject>
#include "node/graph.h"
#include "node/output/track/track.h"
#include "timeline/tracktypes.h"
class TimelineOutput;
class TrackList : public QObject {
Q_OBJECT
public:
TrackList(TimelineOutput *parent, const enum TrackType& type, NodeInput* track_input);
TrackOutput* attached_track();
void AttachTrack(TrackOutput *track);
void DetachTrack(TrackOutput* track);
const QVector<TrackOutput*>& Tracks();
TrackOutput* TrackAt(int index);
void AddTrack();
void RemoveTrack();
const rational& TrackLength();
const enum TrackType& TrackType();
public slots:/**
* @brief Slot for when the track connection is added
*/
void TrackConnectionAdded(NodeEdgePtr edge);
/**
* @brief Slot for when the track connection is removed
*/
void TrackConnectionRemoved(NodeEdgePtr edge);
/**
* @brief Slot for when a connected Track has added a Block so we can update the UI
*/
void TrackAddedBlock(Block* block);
/**
* @brief Slot for when a connected Track has added a Block so we can update the UI
*/
void TrackRemovedBlock(Block* block);
/**
* @brief Slot for when an attached Track has an edge added
*/
void TrackEdgeAdded(NodeEdgePtr edge);
/**
* @brief Slot for when an attached Track has an edge added
*/
void TrackEdgeRemoved(NodeEdgePtr edge);
signals:
void BlockAdded(Block* block, int index);
void BlockRemoved(Block* block);
void TrackAdded(TrackOutput* track);
void TrackRemoved(TrackOutput* track);
void TrackListChanged();
void LengthChanged(const rational &length);
private:
NodeGraph* GetParentGraph();
/**
* @brief A cache of connected Tracks
*/
QVector<TrackOutput*> track_cache_;
NodeInput* track_input_;
rational total_length_;
enum TrackType type_;
private slots:
void UpdateTotalLength();
};
#endif // TRACKLIST_H