impr: add animation

app/src/main/java/ru/sweetbread/unn/ui/composes/Schedule.kt

@@ -1,7 +1,13 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2025. All rights reserved.
+ */
+
 package ru.sweetbread.unn.ui.composes
 
 import android.util.Log
 import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.animateColorAsState
 import androidx.compose.foundation.Canvas
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
@@ -147,6 +153,8 @@ fun ScheduleItem(modifier: Modifier = Modifier, unit: ScheduleUnit, expanded: Bo
         val now =  LocalDateTime.now().atZone(ZoneId.of("Europe/Moscow")).toEpochSecond()
         if (begin > now)
             return -1f
+        if (now > end)
+            return 1f
         return (now - begin) / (end - begin).toFloat()
     }
 
@@ -166,16 +174,22 @@ fun ScheduleItem(modifier: Modifier = Modifier, unit: ScheduleUnit, expanded: Bo
         }
     }
 
+    val backgroundColor by animateColorAsState(
+        targetValue = if (rel == 1f)
+            MaterialTheme.colorScheme.surfaceContainer
+        else if (rel == -1f)
+            MaterialTheme.colorScheme.secondaryContainer
+        else
+            MaterialTheme.colorScheme.primaryContainer,
+        label = "backgroundTransition"
+    )
+
     Row (
         modifier
             .fillMaxWidth()
             .padding(4.dp)
             .clip(RoundedCornerShape(8.dp))
-            .background(
+            .background(backgroundColor)
-                if (rel != -1f)
-                    MaterialTheme.colorScheme.primaryContainer
-                else MaterialTheme.colorScheme.surfaceContainer
-            )
             .padding(8.dp)
     ){
         Column (Modifier.weight(1f)) {
@@ -268,14 +282,20 @@ fun ScheduleItem(modifier: Modifier = Modifier, unit: ScheduleUnit, expanded: Bo
                         horizontalArrangement = Arrangement.SpaceBetween,
                         verticalAlignment = Alignment.CenterVertically) {
                         Text(begin.toString(), fontWeight = FontWeight.Bold)
-                        if (rel != -1f)
+                        AnimatedVisibility (
+                            (0f <= rel) and (rel < 1f),
+                            modifier = Modifier
+                                .weight(1f)
+                                .padding(horizontal = 2.dp)
+                        ) {
                             DividerWithMarker(
-                                Modifier.weight(1f).padding(horizontal = 2.dp),
                                 positionPercentage = rel,
                                 color = MaterialTheme.colorScheme.outline,
                                 thickness = 3.dp,
                                 markerSize = 8.dp,
-                                markerColor = MaterialTheme.colorScheme.primary)
+                                markerColor = MaterialTheme.colorScheme.primary
+                            )
+                        }
                         Text(end.toString())
                     }
                 }