feat: animate step state icon changes

app/src/main/kotlin/com/aliucord/manager/ui/screens/install/components/StepGroupCard.kt

@@ -62,7 +62,7 @@ fun StepGroupCard(
                 .fillMaxWidth()
                 .padding(16.dp)
         ) {
-            StepStatusIcon(groupState, 24.dp)
+            StepStateIcon(groupState, 24.dp)
 
             Text(text = name)
 

app/src/main/kotlin/com/aliucord/manager/ui/screens/install/components/StepItem.kt

@@ -22,9 +22,9 @@ fun StepItem(
         horizontalArrangement = Arrangement.spacedBy(16.dp),
         modifier = modifier,
     ) {
-        StepStatusIcon(
+        StepStateIcon(
             size = 18.dp,
-            status = step.state,
+            state = step.state,
             stepProgress = step.progress,
         )
 

app/src/main/kotlin/com/aliucord/manager/ui/screens/install/components/StepStateIcon.kt

@@ -0,0 +1,88 @@
+package com.aliucord.manager.ui.screens.install.components
+
+import androidx.compose.animation.Crossfade
+import androidx.compose.animation.core.*
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.unit.Dp
+import com.aliucord.manager.R
+import com.aliucord.manager.installer.steps.base.StepState
+import kotlin.math.floor
+import kotlin.math.roundToInt
+
+@Composable
+fun StepStateIcon(
+    state: StepState,
+    size: Dp,
+    stepProgress: Float = -1f,
+) {
+    val animatedProgress by animateFloatAsState(
+        targetValue = stepProgress,
+        animationSpec = spring(stiffness = Spring.StiffnessVeryLow),
+        label = "Progress",
+    )
+
+    Crossfade(targetState = state, label = "State CrossFade") { animatedState ->
+        when (animatedState) {
+            StepState.Pending -> Icon(
+                painter = painterResource(R.drawable.ic_circle),
+                contentDescription = stringResource(R.string.status_queued),
+                tint = MaterialTheme.colorScheme.onSurface.copy(0.4f),
+                modifier = Modifier.size(size)
+            )
+
+            StepState.Running -> {
+                val strokeWidth = Dp(floor(size.value / 10) + 1)
+
+                if (stepProgress > .05f) {
+                    CircularProgressIndicator(
+                        progress = { animatedProgress },
+                        strokeWidth = strokeWidth,
+                        modifier = Modifier
+                            .size(size)
+                            .semantics { contentDescription = "${(stepProgress * 100).roundToInt()}%" },
+                    )
+                } else {
+                    val description = stringResource(R.string.status_ongoing)
+
+                    // Infinite spinner
+                    CircularProgressIndicator(
+                        strokeWidth = strokeWidth,
+                        modifier = Modifier
+                            .size(size)
+                            .semantics { contentDescription = description },
+                    )
+                }
+            }
+
+            StepState.Success -> Icon(
+                painter = painterResource(R.drawable.ic_check_circle),
+                contentDescription = stringResource(R.string.status_success),
+                tint = Color(0xFF59B463),
+                modifier = Modifier.size(size)
+            )
+
+            StepState.Error -> Icon(
+                painter = painterResource(R.drawable.ic_canceled),
+                contentDescription = stringResource(R.string.status_failed),
+                tint = MaterialTheme.colorScheme.error,
+                modifier = Modifier.size(size)
+            )
+
+            StepState.Skipped -> Icon(
+                painter = painterResource(R.drawable.ic_check_circle),
+                contentDescription = stringResource(R.string.status_skipped),
+                tint = Color(0xFFAEAEAE),
+                modifier = Modifier.size(size)
+            )
+        }
+    }
+}