[feat] Smart playlist status sync

app/src/main/java/com/acitelight/aether/view/PlaylistPanel.kt

@@ -11,11 +11,13 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyRow
 import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -28,23 +30,34 @@ import kotlinx.coroutines.launch
 
 
 @Composable
-fun PlaylistPanel(modifier: Modifier, videoPlayerViewModel: VideoPlayerViewModel)
+fun PlaylistPanel(modifier: Modifier, videoPlayerViewModel: VideoPlayerViewModel) {
-{
     val colorScheme = MaterialTheme.colorScheme
     val name by videoPlayerViewModel.currentName
     val id by videoPlayerViewModel.currentId
 
+    val listState = rememberLazyListState()
+    val videos = videoPlayerViewModel.videos
+
+    LaunchedEffect(id, videos) {
+        val targetIndex = videos.indexOfFirst { it.id == id }
+        if (targetIndex >= 0) {
+            listState.scrollToItem(targetIndex)
+        }
+    }
+
     LazyRow(
         modifier = modifier
             .fillMaxWidth()
             .height(80.dp),
+        state = listState,
         horizontalArrangement = Arrangement.spacedBy(6.dp),
         contentPadding = PaddingValues(horizontal = 24.dp)
     ) {
-        items(videoPlayerViewModel.videos) { it ->
+        items(videos) { it ->
-            // SingleImageItem(img = it, videoPlayerViewModel.imageLoader!!)
             Card(
-                modifier = Modifier.fillMaxHeight().width(140.dp),
+                modifier = Modifier
+                    .fillMaxHeight()
+                    .width(140.dp),
                 onClick = {
                     if (name == it.video.name)
                         return@Card
@@ -58,11 +71,20 @@ fun PlaylistPanel(modifier: Modifier, videoPlayerViewModel: VideoPlayerViewModel
                         CardDefaults.cardColors(containerColor = colorScheme.primary)
                     else
                         CardDefaults.cardColors()
-
             ) {
-                Box(Modifier.padding(8.dp).fillMaxSize())
+                Box(
-                {
+                    Modifier
-                    Text(modifier = Modifier.align(Alignment.Center), text = it.video.name, maxLines = 4, fontWeight = FontWeight.Bold, fontSize = 12.sp, lineHeight = 13.sp)
+                        .padding(8.dp)
+                        .fillMaxSize()
+                ) {
+                    Text(
+                        modifier = Modifier.align(Alignment.Center),
+                        text = it.video.name,
+                        maxLines = 4,
+                        fontWeight = FontWeight.Bold,
+                        fontSize = 12.sp,
+                        lineHeight = 13.sp
+                    )
                 }
             }
         }