let initial view be saved on quit and restore on start

src/qml/ContentView.qml

@@ -19,6 +19,7 @@ RowLayout {
     property bool showExpandedFilterView
     property alias currentViewIndex: listViews.currentIndex
     property Kirigami.ContextDrawer playlistDrawer
+    property alias initialIndex: viewManager.initialIndex
 
     function goBack() {
         viewManager.goBack()
@@ -41,7 +42,6 @@ RowLayout {
         id: viewManager
 
         viewsData: viewsData
-        initialIndex: 3
 
         onOpenGridView: {
             if (configurationData.expectedDepth === 1) {

src/qml/ElisaMainWindow.qml

@@ -16,7 +16,7 @@ import Qt.labs.platform 1.1
 
 Kirigami.ApplicationWindow {
     id: mainWindow
-    
+
     visible: true
 
     contextDrawer: Kirigami.ContextDrawer {
@@ -49,6 +49,8 @@ Kirigami.ApplicationWindow {
     Accessible.role: Accessible.Application
     Accessible.name: title
 
+    readonly property int initialViewIndex: 3
+
     property var goBackAction: ElisaApplication.action("go_back")
     property var seekAction: ElisaApplication.action("Seek")
     property var scrubAction: ElisaApplication.action("Scrub")
@@ -125,6 +127,8 @@ Kirigami.ApplicationWindow {
         property bool showPlaylist: true
 
         property bool headerBarIsMaximized: false
+
+        property int initialIndex
     }
 
     Connections {
@@ -155,6 +159,8 @@ Kirigami.ApplicationWindow {
             persistentSettings.showPlaylist = contentView.showPlaylist
 
             persistentSettings.headerBarIsMaximized = headerBar.isMaximized
+
+            persistentSettings.initialIndex = contentView.currentViewIndex
         }
     }
 
@@ -286,6 +292,7 @@ Kirigami.ApplicationWindow {
                 showPlaylist: persistentSettings.showPlaylist
                 showExpandedFilterView: persistentSettings.expandedFilterView
                 playlistDrawer: playlistDrawer
+                initialIndex: persistentSettings.value('initialIndex', initialViewIndex)
             }
         }
     }