show media length and progress above progress bar

LenaPi/MusicPlayer.qml

@@ -49,6 +49,13 @@ Item{
         color: "#99ffffff"
         height: 140
 
+        Label{
+            anchors.right: progress.right
+            anchors.bottom: progress.top
+            font.pointSize: 9
+            color: "grey"
+            text: musicModel.pTime + " / " + musicModel.pMediaLength
+        }
 
         ProgressBar{
             id: progress

LenaPi/models/MusicModel.cpp

@@ -23,10 +23,7 @@ void MusicModel::init(NavigationItemModel *item)
     mCurrentItem = item;
     emit currentItemChanged();
 
-    mHasNext = false;
+    reset();
-    mHasPrevious = false;
-    emit hasNextChanged();
-    emit hasPrevious();
 
     while(mMedia->count() > 0){
         mMedia->removeMedia(0);
@@ -64,13 +61,7 @@ void MusicModel::stopMusic()
         mIsPlaying = false;
         emit isPlayingChanged();
 
-        mHasNext = false;
+        reset();
-        mHasPrevious = false;
-        emit hasNextChanged();
-        emit hasPreviousChanged();
-
-        mCurrentMediaItemProgress = 0.0;
-        emit progressChanged();
 
         emit stop();
     }
@@ -104,26 +95,36 @@ VlcMediaList *MusicModel::getMedia()
     return mMedia;
 }
 
-bool MusicModel::isPlaying()
+bool MusicModel::isPlaying() const
 {
     return mIsPlaying;
 }
 
-bool MusicModel::hasNext()
+bool MusicModel::hasNext() const
 {
     return mHasNext;
 }
 
-bool MusicModel::hasPrevious()
+bool MusicModel::hasPrevious() const
 {
     return mHasPrevious;
 }
 
-double MusicModel::getProgress()
+double MusicModel::getProgress() const
 {
     return mCurrentMediaItemProgress;
 }
 
+QString MusicModel::getMediaLength()
+{
+    return timeToString(mCurrentMediaItemLength);
+}
+
+QString MusicModel::getTime()
+{
+    return timeToString(mCurrentTime);
+}
+
 void MusicModel::onNextMediaSet(VlcMedia *media)
 {
     mHasNext = true;
@@ -141,10 +142,36 @@ void MusicModel::onNextMediaSet(VlcMedia *media)
 void MusicModel::onTimeChanged(int time)
 {
     mCurrentMediaItemProgress = (double) time / mCurrentMediaItemLength;
+    mCurrentTime = time;
     emit progressChanged();
 }
 
 void MusicModel::onLengthChanged(int length)
 {
     mCurrentMediaItemLength= length;
+    emit mediaLengthChanged();
+}
+
+void MusicModel::reset()
+{
+    mHasNext = false;
+    mHasPrevious = false;
+    emit hasNextChanged();
+    emit hasPreviousChanged();
+
+    mCurrentMediaItemProgress = 0.0;
+    mCurrentTime = 0.0;
+    emit progressChanged();
+
+    mCurrentMediaItemLength = 0.0;
+    emit mediaLengthChanged();
+}
+
+QString MusicModel::timeToString(int time)
+{
+    int sec = time/1000;
+    int min = sec/60;
+    sec = sec-min*60;
+    QString secStr = sec < 10 ? "0"+QString::number(sec) : QString::number(sec);
+    return QString::number(min) + ":" + secStr;
 }

LenaPi/models/MusicModel.h

@@ -15,6 +15,8 @@ class MusicModel : public QObject
     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)
 
 signals:
     void navigateTo(NavigationItemModel *item);
@@ -28,6 +30,7 @@ signals:
     void hasNextChanged();
     void isPlayingChanged();
     void progressChanged();
+    void mediaLengthChanged();
 
 public:
     MusicModel(VlcInstance* instance, QObject *parent = Q_NULLPTR);
@@ -45,11 +48,14 @@ public:
 
      VlcMediaList *getMedia();
 
-    bool isPlaying();
+    bool isPlaying() const;
-    bool hasNext();
+    bool hasNext() const;
-    bool hasPrevious();
+    bool hasPrevious() const;
 
-    double getProgress();
+    double getProgress() const;
+
+    QString getMediaLength();
+    QString getTime();
 
 public slots:
     void onNextMediaSet(VlcMedia* media);
@@ -57,10 +63,14 @@ public slots:
     void onLengthChanged(int length);
 
 private:
+    void reset();
+    QString timeToString(int time);
+
     bool mIsPlaying = false;
     bool mHasNext = false;
     bool mHasPrevious = false;
     int mCurrentMediaItemLength = 0;
+    int mCurrentTime = 0;
     double mCurrentMediaItemProgress = 0;
     NavigationItemModel* mCurrentItem = Q_NULLPTR;
     VlcMediaList* mMedia = Q_NULLPTR;