lyrics.h

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#pragma once
 
#include <QtCore>
#include <QtQuick/QQuickItem>
#include <QQmlListProperty>
#include <utility>
#include "liblrc/lyrics.h"
 
class LyricSentence : public QObject {
Q_OBJECT
    Q_PROPERTY(qreal startTime READ getStartTime WRITE setStartTime NOTIFY startTimeChanged)
    Q_PROPERTY(qreal endTime READ getEndTime WRITE setEndTime NOTIFY endTimeChanged)
    Q_PROPERTY(QString sentence READ getSentence WRITE setSentence NOTIFY sentenceChanged)
    QML_ELEMENT
private:
    qreal m_startTime, m_endTime;
    QString m_sentence;
public:
    Q_INVOKABLE LyricSentence() = default;
 
    Q_INVOKABLE explicit LyricSentence(qreal startTime, qreal endTime, QString sentence) :
            m_startTime(startTime), m_endTime(endTime), m_sentence(std::move(sentence)) {}
 
    Q_INVOKABLE bool operator<(const LyricSentence &t) const { return m_startTime < t.m_startTime; }
 
    Q_INVOKABLE bool operator==(const LyricSentence &t) const {
        return m_startTime == t.m_startTime && m_endTime == t.m_endTime && m_sentence == t.m_sentence;
    }
 
    Q_INVOKABLE qreal getStartTime() const { return m_startTime; }
 
    Q_INVOKABLE qreal getEndTime() const { return m_endTime; }
 
    Q_INVOKABLE QString getSentence() const { return m_sentence; }
 
    Q_INVOKABLE void setStartTime(const qreal &newTime) { m_startTime = newTime; }
 
    Q_INVOKABLE void setEndTime(const qreal &newTime) { m_endTime = newTime; }
 
    Q_INVOKABLE void setSentence(const QString &newSentence) { m_sentence = newSentence; }
 
signals:
 
    void startTimeChanged();
 
    void endTimeChanged();
 
    void sentenceChanged();
 
};
 
class LyricsData : public QObject {
Q_OBJECT
    Q_PROPERTY(QQmlListProperty<LyricSentence> sentences READ getSentences NOTIFY lyricsChange)
    QML_ELEMENT
private:
 
    QVector<LyricSentence *> m_sentences;
 
    static void appendSentence(QQmlListProperty<LyricSentence> *, LyricSentence *);
 
    static qsizetype sentenceCount(QQmlListProperty<LyricSentence> *);
 
    static LyricSentence *getSentence(QQmlListProperty<LyricSentence> *, qsizetype);
 
    static void clearSentences(QQmlListProperty<LyricSentence> *);
 
    static void replaceSentence(QQmlListProperty<LyricSentence> *, qsizetype, LyricSentence *);
 
    static void removeLastSentence(QQmlListProperty<LyricSentence> *);
 
public:
    LyricsData();
 
    QQmlListProperty<LyricSentence> getSentences();
 
    void appendSentences(LyricSentence *);
 
    [[nodiscard]] qsizetype sentenceCount() const;
 
    [[nodiscard]] LyricSentence *getSentence(qsizetype) const;
 
    void clearSentences();
 
    void replaceSentence(qsizetype, LyricSentence *);
 
    void removeLastSentence();
 
signals:
 
    void lyricsChange();
 
public slots:
 
    void clearLyricSentence() { m_sentences.clear(); emit lyricsChange();};
 
    void pushLyricSentence(LyricSentence *sentence) {
        m_sentences.push_back(sentence);
        qDebug() << sentence->getStartTime();
    };
 
    void pushLyricSentenceCompleted() {
        emit lyricsChange();
    }
};
 
class LyricsReader : public QObject {
Q_OBJECT
public:
    LyricsReader() = default;
 
public slots:
 
    void readLyric(const QString &url);
 
signals:
 
    void lyricReadCompleted(std::shared_ptr<lrc::Lyrics> response);
 
};