mprisinterface.h

/*
 * Copyright (C) 2019  Kevin Whitaker <eyecreate@eyecreate.org>
 *
 * 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 MPRISINTERFACE_H
#define MPRISINTERFACE_H

#include "minimediaplayer.h"
#include <QtDBus/QDBusAbstractAdaptor>
#include <QtDBus/QDBusConnection>
#include <QtDBus/QDBusObjectPath>
#include <QMap>

/**
 * Simple DBus interface which registers and provides simple controls over media playing.
 */
class MPRISInterface : public QDBusAbstractAdaptor
{
    Q_OBJECT
    Q_CLASSINFO("D-Bus Interface","org.mpris.MediaPlayer2")
    Q_PROPERTY(bool CanQuit READ CanQuit)
    Q_PROPERTY(bool CanRaise READ CanRaise)
    Q_PROPERTY(bool HasTrackList READ HasTrackList)
    Q_PROPERTY(QString Identity READ Identity)
    Q_PROPERTY(QStringList SupportedUriSchemes READ SupportedUriSchemes)
    Q_PROPERTY(QStringList SupportedMimeTypes READ SupportedMimeTypes)
public:
    MPRISInterface(QObject *parent = 0);
    bool CanQuit();
    bool CanRaise();
    bool HasTrackList();
    QString Identity();
    QStringList SupportedUriSchemes();
    QStringList SupportedMimeTypes();
public slots:
    Q_NOREPLY void Raise() {};
    Q_NOREPLY void Quit() {};
};

class MPRISPlayerInterface : public QDBusAbstractAdaptor
{
    Q_OBJECT
    Q_CLASSINFO("D-Bus Interface","org.mpris.MediaPlayer2.Player")
    Q_PROPERTY(QString PlaybackStatus READ PlaybackStatus NOTIFY playbackStatusChanged)
    Q_PROPERTY(double Rate READ Rate WRITE setRate)
    Q_PROPERTY(QVariantMap Metadata READ Metadata NOTIFY metadataChanged)
    Q_PROPERTY(double Volume READ Volume WRITE setVolume NOTIFY volumeChanged)
    Q_PROPERTY(qlonglong Position READ Position NOTIFY positionChanged)
    Q_PROPERTY(double MinimumRate READ MinimumRate)
    Q_PROPERTY(double MaximumRate READ MaximumRate)
    Q_PROPERTY(bool CanGoNext READ CanGoNext)
    Q_PROPERTY(bool CanGoPrevious READ CanGoPrevious)
    Q_PROPERTY(bool CanPlay READ CanPlay)
    Q_PROPERTY(bool CanPause READ CanPause)
    Q_PROPERTY(bool CanSeek READ CanSeek)
    Q_PROPERTY(bool CanControl READ CanControl)
public:
    MPRISPlayerInterface(MiniMediaPlayer *player,QObject *parent = 0);
    QString PlaybackStatus();
    double Rate();
    void setRate(double rate) {};
    QVariantMap Metadata();
    double Volume();
    void setVolume(double volume);
    qlonglong Position();
    double MinimumRate();
    double MaximumRate();
    bool CanGoNext();
    bool CanGoPrevious();
    bool CanPlay();
    bool CanPause();
    bool CanSeek();
    bool CanControl();
public slots:
    Q_NOREPLY void Next();
    Q_NOREPLY void Previous() {};
    Q_NOREPLY void Pause();
    Q_NOREPLY void PlayPause();
    Q_NOREPLY void Stop();
    Q_NOREPLY void Play();
    Q_NOREPLY void Seek(qlonglong offset) {};
    Q_NOREPLY void SetPosition(QDBusObjectPath trackId,qlonglong position) {};
    Q_NOREPLY void OpenUri(QString uri);
signals:
    void Seeked(qlonglong position); //Not used
    void playbackStatusChanged(QString status);
    void metadataChanged(QVariantMap metadata);
    void volumeChanged(double volume);
    void positionChanged(qlonglong position);
private slots:
    void mediaStateChanged(bool isPlaying);
    void mediaPositionChanged(qint64 position);
    void mediaVolumeChanged(int volume);
    void mediaPlaylistChanged(QStringList playlist);
private:
    MiniMediaPlayer *player;
    void dbusUpdate(QVariantMap changed);
};

#endif // MPRISINTERFACE_H