make playlist item selectable

new-player/src/main/java/net/newpipe/newplayer/NewPlayer.kt

@@ -96,6 +96,7 @@ interface NewPlayer {
     fun removePlaylistItem(index: Int)
     fun playStream(item: String, playMode: PlayMode)
     fun selectChapter(index: Int)
+    fun selectPlaylistItem(index: Int)
     fun playStream(item: String, streamVariant: String, playMode: PlayMode)
 
     data class Builder(val app: Application, val repository: MediaRepository) {
@@ -342,12 +343,19 @@ class NewPlayerImpl(
     override fun selectChapter(index: Int) {
         val chapters = currentChapters.value
         assert(index in 0..<chapters.size) {
-            throw NewPlayerException("Chapter selection out of bound: seleced chapter index: $index, available chapters: ${chapters.size}")
+            throw NewPlayerException("Chapter selection out of bound: selected chapter index: $index, available chapters: ${chapters.size}")
         }
         val chapter = chapters[index]
         currentPosition = chapter.chapterStartInMs
     }
 
+    override fun selectPlaylistItem(index: Int) {
+        assert(index in 0..<playlist.value.size) {
+            throw NewPlayerException("Playlist item selection out of bound: selected item index: $index, available chapters: ${playlist.value.size}")
+        }
+        internalPlayer.seekTo(index, 0)
+    }
+
     private fun internalPlayStream(mediaItem: MediaItem, playMode: PlayMode) {
         if (internalPlayer.playbackState == Player.STATE_IDLE) {
             internalPlayer.prepare()

new-player/src/main/java/net/newpipe/newplayer/model/VideoPlayerViewModelImpl.kt

@@ -468,7 +468,8 @@ class VideoPlayerViewModelImpl @Inject constructor(
     }
 
     override fun streamSelected(streamId: Int) {
-        println("stream selected: $streamId")
+        println("gurken stream selected: $streamId")
+        newPlayer?.selectPlaylistItem(streamId)
     }
 
     override fun cycleRepeatMode() {

new-player/src/main/java/net/newpipe/newplayer/ui/videoplayer/StreamSelectUI.kt

@@ -152,7 +152,7 @@ fun ReorderableStreamItemsList(
             ) { isDragging ->
                 StreamItem(
                     playlistItem = playlistItem,
-                    onClicked = { viewModel.streamSelected(0) },
+                    onClicked = { viewModel.streamSelected(index) },
                     reorderableScope = this@ReorderableItem,
                     haptic = haptic,
                     onDragFinished = viewModel::onStreamItemDragFinished,