finished navigation including music player and navigate back

functionality

LenaPi/models/MusicModel.cpp

@@ -0,0 +1,32 @@
+#include "MusicModel.h"
+
+MusicModel::MusicModel(QObject *parent) : QObject(parent)
+{
+
+}
+
+void MusicModel::init(NavigationItemModel *item)
+{
+    mCurrentItem = item;
+    emit currentItemChanged();
+}
+
+void MusicModel::navigateBack()
+{
+    emit navigateTo(mCurrentItem);
+}
+
+void MusicModel::playPause()
+{
+    mIsPlaying = !mIsPlaying;
+}
+
+NavigationItemModel *MusicModel::getCurrentItem()
+{
+    return mCurrentItem;
+}
+
+bool MusicModel::isPlaying()
+{
+    return mIsPlaying;
+}

LenaPi/models/MusicModel.h

@@ -0,0 +1,35 @@
+#ifndef MUSICMODEL_H
+#define MUSICMODEL_H
+
+#include <QObject>
+
+#include <models/NavigationItemModel.h>
+
+class MusicModel : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QObject* pCurrentItem READ getCurrentItem NOTIFY currentItemChanged)
+
+signals:
+    void navigateTo(NavigationItemModel *item);
+    void currentItemChanged();
+
+public:
+    MusicModel(QObject *parent = Q_NULLPTR);
+
+    void init(NavigationItemModel* item);
+
+    Q_INVOKABLE void navigateBack();
+    Q_INVOKABLE void playPause();
+
+    NavigationItemModel *getCurrentItem();
+
+    bool isPlaying();
+
+private:
+    bool mIsPlaying = false;
+    NavigationItemModel* mCurrentItem = Q_NULLPTR;
+};
+
+#endif // MUSICMODEL_H

LenaPi/models/NavigationItemModel.cpp

@@ -7,6 +7,7 @@ NavigationItemModel::NavigationItemModel(QObject *parent) : QObject(parent),
     mImageSource("qrc:/default_image"),
     mParentItem(qobject_cast<NavigationItemModel*>(parent))
 {
+    qRegisterMetaType<NavigationItemModel*>("NavigationItemModel*");
 }
 
 QString NavigationItemModel::getImageSource() const

LenaPi/models/UiStateModel.cpp

@@ -0,0 +1,21 @@
+#include "UiStateModel.h"
+
+UiStateModel::UiStateModel(QObject *parent) : QObject(parent)
+{
+    showNavigation();
+}
+
+QUrl UiStateModel::getSource() const
+{
+    return mSource;
+}
+
+void UiStateModel::showMusicPlayer(){
+    mSource = QUrl("MusicPlayer.qml");
+    emit sourceChanged();
+}
+
+void UiStateModel::showNavigation(){
+    mSource = QUrl("Navigation.qml");
+    emit sourceChanged();
+}

LenaPi/models/UiStateModel.h

@@ -0,0 +1,28 @@
+#ifndef UISTATEMODEL_H
+#define UISTATEMODEL_H
+
+#include <QObject>
+#include <QUrl>
+
+class UiStateModel : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QUrl pSource READ getSource NOTIFY sourceChanged)
+
+signals:
+    void sourceChanged();
+
+public:
+    UiStateModel(QObject *parent = Q_NULLPTR);
+
+    QUrl getSource() const;
+
+    void showMusicPlayer();
+    void showNavigation();
+
+private:
+    QUrl mSource;
+};
+
+#endif // UISTATEMODEL_H