Revert "replace the play arrow with an animated bar indicator"

This reverts commit c67569a15a7c7150de3601b57a59e2ed2ba302ef.

app/src/main/kotlin/com/subtracks/ui/library/SongsContent.kt

@@ -1,10 +1,5 @@
 package com.subtracks.ui.library
 
-import androidx.compose.animation.core.LinearEasing
-import androidx.compose.animation.core.animateFloat
-import androidx.compose.animation.core.infiniteRepeatable
-import androidx.compose.animation.core.rememberInfiniteTransition
-import androidx.compose.animation.core.tween
 import androidx.compose.foundation.Canvas
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.Arrangement
@@ -18,6 +13,7 @@ import androidx.compose.foundation.text.BasicText
 import androidx.compose.foundation.text.TextAutoSize
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.DownloadDone
+import androidx.compose.material.icons.rounded.PlayArrow
 import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.Icon
 import androidx.compose.material3.ListItem
@@ -25,7 +21,6 @@ import androidx.compose.material3.ListItemDefaults
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -41,8 +36,13 @@ import androidx.compose.ui.graphics.asAndroidPath
 import androidx.compose.ui.graphics.drawscope.DrawScope
 import androidx.compose.ui.graphics.drawscope.clipPath
 import androidx.compose.ui.graphics.drawscope.drawIntoCanvas
+import androidx.compose.ui.graphics.drawscope.withTransform
 import androidx.compose.ui.graphics.nativeCanvas
 import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.PathParser
+import androidx.compose.ui.graphics.vector.VectorGroup
+import androidx.compose.ui.graphics.vector.VectorPath
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.semantics.contentDescription
 import androidx.compose.ui.semantics.semantics
@@ -56,8 +56,6 @@ import com.subtracks.data.model.DownloadStatus
 import com.subtracks.data.model.Song
 import com.subtracks.data.model.SongDownload
 import com.subtracks.ui.components.CoverArt
-import kotlin.math.PI
-import kotlin.math.sin
 
 private val TRACK_COLUMN_WIDTH = 24.dp
 private val TIME_COLUMN_WIDTH = 36.dp
@@ -68,9 +66,23 @@ private val PLAY_SHADOW_RADIUS = 3.dp
 private val PLAY_SHADOW = Color.Black.copy(alpha = 0.6f)
 private val INNER_SHADOW_RADIUS = 8.dp
 private val INNER_SHADOW = Color.Black.copy(alpha = 0.85f)
-private const val BAR_COUNT = 3
-private const val PLAY_BAR_PERIOD_MS = 900
-private const val PLAY_BAR_PHASE = 0.18f
+private val PLAY_ARROW = Icons.Rounded.PlayArrow
+private val PLAY_ARROW_PATH: Path by lazy { buildVectorPath(PLAY_ARROW) }
+
+private fun buildVectorPath(vector: ImageVector): Path {
+    val parser = PathParser()
+
+    fun collect(group: VectorGroup) {
+        for (node in group) {
+            when (node) {
+                is VectorPath -> parser.addPathNodes(node.pathData)
+                is VectorGroup -> collect(node)
+            }
+        }
+    }
+    collect(vector.root)
+    return parser.toPath()
+}
 
 @Composable
 fun SongRow(
@@ -204,44 +216,30 @@ private fun PlayIndicator(
     shadow: Boolean,
     modifier: Modifier = Modifier,
 ) {
-    val phase by
-        rememberInfiniteTransition(label = "playing")
-            .animateFloat(
-                initialValue = 0f,
-                targetValue = 1f,
-                animationSpec = infiniteRepeatable(tween(PLAY_BAR_PERIOD_MS, easing = LinearEasing)),
-                label = "phase",
-            )
     val tint = MaterialTheme.colorScheme.primary
-    val shadowRadius = with(LocalDensity.current) { PLAY_SHADOW_RADIUS.toPx() }
-    Canvas(modifier.semantics { contentDescription = "Playing" }) {
-        val barWidth = size.width * 0.22f
-        val gap = size.width * 0.11f
-        val radius = CornerRadius(barWidth / 2f)
-        val total = barWidth * BAR_COUNT + gap * (BAR_COUNT - 1)
-        val startX = (size.width - total) / 2f
-        val minHeight = size.height * 0.3f
-        val bars =
-            (0 until BAR_COUNT).map { index ->
-                val wave = ((sin((phase + index * PLAY_BAR_PHASE) * 2.0 * PI) + 1.0) / 2.0).toFloat()
-                val height = minHeight + (size.height - minHeight) * wave
-                val x = startX + index * (barWidth + gap)
-                Rect(x, (size.height - height) / 2f, x + barWidth, (size.height + height) / 2f)
+    if (shadow) {
+        val radius = with(LocalDensity.current) { PLAY_SHADOW_RADIUS.toPx() }
+        Canvas(modifier.semantics { contentDescription = "Playing" }) {
+            val scale = minOf(size.width / PLAY_ARROW.viewportWidth, size.height / PLAY_ARROW.viewportHeight)
+            withTransform({ scale(scale, scale, pivot = Offset.Zero) }) {
+                drawIntoCanvas { canvas ->
+                    val paint =
+                        android.graphics.Paint().apply {
+                            isAntiAlias = true
+                            color = tint.toArgb()
+                            setShadowLayer(radius, 0f, 0f, PLAY_SHADOW.toArgb())
+                        }
+                    canvas.nativeCanvas.drawPath(PLAY_ARROW_PATH.asAndroidPath(), paint)
+                }
             }
-        if (shadow) {
-            val path = Path().apply { bars.forEach { addRoundRect(RoundRect(it, radius)) } }
-            drawIntoCanvas { canvas ->
-                val paint =
-                    android.graphics.Paint().apply {
-                        isAntiAlias = true
-                        color = tint.toArgb()
-                        setShadowLayer(shadowRadius, 0f, 0f, PLAY_SHADOW.toArgb())
-                    }
-                canvas.nativeCanvas.drawPath(path.asAndroidPath(), paint)
-            }
-        } else {
-            bars.forEach { drawRoundRect(color = tint, topLeft = it.topLeft, size = it.size, cornerRadius = radius) }
         }
+    } else {
+        Icon(
+            imageVector = PLAY_ARROW,
+            contentDescription = "Playing",
+            tint = tint,
+            modifier = modifier,
+        )
     }
 }