Класс CdPlayer - Nero-ro/Facade GitHub Wiki

• amplifer

• on()
• off()
• eject()
• pause()
• play()
• play()
• stop()
• toString()

---

#ifndef CDPLAYER_H

#define CDPLAYER_H

#include

#include

#include "amplifier.h"

using namespace std;

class CdPlayer

{

private:

QString description;
int currentTrack;
Amplifier *amplifier;
QString title;

public:

CdPlayer(QString description, Amplifier *amplifier);
void on();
void off();
void eject();
void play(QString title);
void play(int track);
void stop();
void pause();
QString toString();

};

#endif // CDPLAYER_H

---

---

#include "cdplayer.h"

CdPlayer::CdPlayer(QString description, Amplifier *amplifier)

{ this->description = description; this->amplifier = amplifier; }

void CdPlayer::on() {

cout << description.toStdString() << " on" << endl;

}

void CdPlayer::off() {

cout << description.toStdString() << " off" << endl;

}

void CdPlayer::eject() {

title = nullptr;
cout << description.toStdString() << " eject" << endl;

}

void CdPlayer::play(QString title) {

this->title = title;
currentTrack = 0;
cout << description.toStdString() << " playing \"" << title.toStdString() << "\"" << endl;

}

void CdPlayer::play(int track) {

if (title == nullptr) {
    cout << description.toStdString() <<  "can't play track " << currentTrack << ", no cd inserted" << endl;
}
else {
    currentTrack = track;
    cout << description.toStdString() << " playing track " << currentTrack << endl;
}

}

void CdPlayer::stop() {

currentTrack = 0;
cout << description.toStdString() << " stopped" << endl;

}

void CdPlayer::pause() {

cout << description.toStdString() << " paused \"" << title.toStdString() << "\"" << endl;

}

QString CdPlayer::toString() {

return description;

}

---