lena_pi/LenaPi/controllers/MusicPlayer.h
2021-10-12 22:15:06 +02:00

89 lines
2.6 KiB
C++

#ifndef MUSICPLAYER_H
#define MUSICPLAYER_H
#include <QObject>
#include <QMediaPlayer>
#include <models/NavigationItemModel.h>
class MusicPlayer : public QMediaPlayer
{
Q_OBJECT
Q_PROPERTY(QObject* pCurrentItem READ getCurrentItem NOTIFY currentItemChanged)
Q_PROPERTY(bool pHasNext READ hasNext NOTIFY hasNextChanged)
Q_PROPERTY(bool pHasPrevious READ hasPrevious NOTIFY hasPreviousChanged)
Q_PROPERTY(bool pIsPlaying READ isPlaying NOTIFY isPlayingChanged)
Q_PROPERTY(double pProgress READ getProgress NOTIFY progressChanged)
Q_PROPERTY(QString pMediaLength READ getMediaLength NOTIFY mediaLengthChanged)
Q_PROPERTY(QString pTime READ getTime NOTIFY progressChanged)
Q_PROPERTY(QString pMediaTitle READ getMediaTitle NOTIFY mediaTitleChanged)
Q_PROPERTY(int pAudioVolume READ getAudioVolume WRITE setAudioVolume NOTIFY audioVolumeChanged)
signals:
void navigateTo(NavigationItemModel *item);
void currentItemChanged();
void hasPreviousChanged();
void hasNextChanged();
void isPlayingChanged();
void progressChanged();
void mediaLengthChanged();
void mediaTitleChanged();
void audioVolumeChanged(int newVolume);
public:
MusicPlayer(QObject *parent = Q_NULLPTR);
~MusicPlayer();
void init(NavigationItemModel* item);
NavigationItemModel *getCurrentItem();
bool isPlaying() const;
bool hasNext() const;
bool hasPrevious() const;
inline int getAudioVolume() const { return mAudioVolume; }
/**
* @brief Set audio volume. Information is transferred to VlcAudio
* @param newVolume value between 0 and 100 (audio level in percent)
* Ensures that volume is inbetween 0 and 100. If this range is exceeded,
* the volume is set to the lowest and highest allowed value, respectively.
*/
void setAudioVolume(int newVolume);
double getProgress() const;
QString getMediaTitle() const;
QString getMediaLength();
QString getTime();
public slots:
void navigateBack();
void playPause();
void stopMusic();
void playNext();
void playPrevious();
void onTimeChanged(int time);
void onLengthChanged(int length);
private:
void reset();
void clearMediaList();
void readMedia(const QString& path);
QString timeToString(int time);
bool mIsPlaying = false;
bool mHasNext = false;
bool mHasPrevious = false;
int mCurrentMediaItemLength = 0;
int mCurrentTime = 0;
double mCurrentMediaItemProgress = 0;
int mAudioVolume{50};
QString mMediaTitle = QString("");
NavigationItemModel* mCurrentItem = nullptr;
};
#endif // MUSICPLAYER_H