Add header to QueuePage with remaining episodes and time

src/qml/QueuePage.qml

@@ -53,15 +53,30 @@ Kirigami.ScrollablePage {
     ListView {
         id: queueList
         visible: count !== 0
+        anchors.fill: parent
+
+        header: ColumnLayout {
+            anchors.right: parent.right
+            anchors.left: parent.left
+            Controls.Label {
+                Layout.fillWidth: true
+                horizontalAlignment: Text.AlignHCenter
+                text: i18np("1 episode", "%1 episodes", queueModel.rowCount()) + " ·  " + i18n("Time left") + ": " + audio.timeString(queueModel.timeLeft)
+            }
+            Kirigami.Separator {
+                Layout.fillWidth: true
+            }
+        }
 
         model: QueueModel {
             id: queueModel
+            audioManager: audio
         }
+
         delegate: Kirigami.DelegateRecycler {
             width: queueList.width
             sourceComponent: delegateComponent
         }
-        anchors.fill: parent
 
         moveDisplaced: Transition {
             YAnimator {
@@ -71,4 +86,3 @@ Kirigami.ScrollablePage {
         }
     }
 }
-

src/queuemodel.cpp

@@ -5,7 +5,9 @@
  */
 
 #include <QString>
+#include <QThread>
 
+#include "audiomanager.h"
 #include "datamanager.h"
 #include "entry.h"
 #include "queuemodel.h"
@@ -13,22 +15,24 @@
 QueueModel::QueueModel(QObject *parent)
     : QAbstractListModel(parent)
 {
-    connect(&DataManager::instance(), &DataManager::queueEntryMoved, this, [this](const int from, const int to_orig) {
+    connect(&DataManager::instance(), &DataManager::queueEntryMoved, this, [this](int from, int to_orig) {
         int to = (from < to_orig) ? to_orig + 1 : to_orig;
         beginMoveRows(QModelIndex(), from, from, QModelIndex(), to);
         endMoveRows();
         // qDebug() << "Moved entry" << from << "to" << to;
     });
-    connect(&DataManager::instance(), &DataManager::queueEntryAdded, this, [this](const int pos, const QString &id) {
+    connect(&DataManager::instance(), &DataManager::queueEntryAdded, this, [this](int pos, const QString &id) {
         Q_UNUSED(id)
         beginInsertRows(QModelIndex(), pos, pos);
         endInsertRows();
+        Q_EMIT timeLeftChanged();
         // qDebug() << "Added entry at pos" << pos;
     });
-    connect(&DataManager::instance(), &DataManager::queueEntryRemoved, this, [this](const int pos, const QString &id) {
+    connect(&DataManager::instance(), &DataManager::queueEntryRemoved, this, [this](int pos, const QString &id) {
         Q_UNUSED(id)
         beginRemoveRows(QModelIndex(), pos, pos);
         endRemoveRows();
+        Q_EMIT timeLeftChanged();
         // qDebug() << "Removed entry at pos" << pos;
     });
 }
@@ -54,3 +58,33 @@ int QueueModel::rowCount(const QModelIndex &parent) const
     // qDebug() << "queueCount is" << DataManager::instance().queueCount();
     return DataManager::instance().queueCount();
 }
+
+int QueueModel::timeLeft() const
+{
+    int result = 0;
+    QStringList queue = DataManager::instance().queue();
+    for (QString item : queue) {
+        Entry *entry = DataManager::instance().getEntry(item);
+        if (entry->enclosure()) {
+            result += entry->enclosure()->duration() * 1000 - entry->enclosure()->playPosition();
+        }
+    }
+    // qDebug() << "timeLeft is" << result;
+    return result;
+}
+
+AudioManager *QueueModel::audioManager()
+{
+    return m_audio;
+}
+
+void QueueModel::setAudioManager(AudioManager *audio)
+{
+    // AudioManager is qml-owned; we need the pointer to the instance
+    // in order to connect to the positionChanged signal
+    m_audio = audio;
+    connect(m_audio, &AudioManager::positionChanged, this, [this](qint64 position) {
+        Q_UNUSED(position)
+        Q_EMIT timeLeftChanged();
+    });
+}

src/queuemodel.h

@@ -11,14 +11,34 @@
 #include <QObject>
 #include <QVariant>
 
+#include "audiomanager.h"
+
 class QueueModel : public QAbstractListModel
 {
     Q_OBJECT
 
+    Q_PROPERTY(int timeLeft READ timeLeft NOTIFY timeLeftChanged)
+    Q_PROPERTY(AudioManager *audioManager READ audioManager WRITE setAudioManager)
+
 public:
+    static QueueModel &instance()
+    {
+        static QueueModel _instance;
+        return _instance;
+    }
     explicit QueueModel(QObject * = nullptr);
     //~QueueModel() override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     QHash<int, QByteArray> roleNames() const override;
     int rowCount(const QModelIndex &parent) const override;
+    int timeLeft() const;
+
+    AudioManager *audioManager();
+    void setAudioManager(AudioManager *audio);
+
+Q_SIGNALS:
+    void timeLeftChanged();
+
+private:
+    AudioManager *m_audio;
 };