Merge pull request #1621 from tunjid/tj/post-image-fling-behavior

Add fling behavior to post media

Author: tunjid

ui/timeline/src/commonMain/kotlin/com/tunjid/heron/timeline/ui/post/PostMedia.kt

@@ -17,6 +17,9 @@
 package com.tunjid.heron.timeline.ui.post
 
 import androidx.compose.foundation.clickable
+import androidx.compose.foundation.gestures.ScrollableDefaults
+import androidx.compose.foundation.gestures.snapping.SnapPosition
+import androidx.compose.foundation.gestures.snapping.rememberSnapFlingBehavior
 import androidx.compose.foundation.layout.Arrangement.spacedBy
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.aspectRatio
@@ -91,6 +94,13 @@ internal fun PostMedia(
         LazyRow(
             state = listState,
             horizontalArrangement = spacedBy(8.dp),
+            flingBehavior = when (presentation) {
+                is Timeline.Presentation.Media -> rememberSnapFlingBehavior(
+                    lazyListState = listState,
+                    snapPosition = SnapPosition.Center,
+                )
+                is Timeline.Presentation.Text -> ScrollableDefaults.flingBehavior()
+            },
         ) {
             val tallestMedia = feature.media.minBy { it.aspectRatioOrSquare }