feat(steam): beta branch selector in the STEAM dropdown

app/src/main/app/shell/BetaBranchScreen.kt

@@ -0,0 +1,271 @@
+package com.winlator.cmod.app.shell
+
+import androidx.compose.foundation.BorderStroke
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.BoxWithConstraints
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.heightIn
+import androidx.compose.foundation.layout.navigationBars
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.widthIn
+import androidx.compose.foundation.layout.windowInsetsPadding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.AltRoute
+import androidx.compose.material.icons.outlined.Check
+import androidx.compose.material.icons.outlined.Close
+import androidx.compose.material.icons.outlined.Lock
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.winlator.cmod.R
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+
+/** A single Steam beta branch entry from appinfo depots.branches. */
+internal data class StoreBetaBranchItem(
+    val name: String,
+    val buildId: Long,
+    val timeUpdated: Date?,
+    val pwdRequired: Boolean,
+)
+
+// Palette — mirrors the LaunchOptions / Workshop window so the modal feels native.
+private val BbBg = Color(0xFF12121B)
+private val BbBorder = Color(0xFF2A2A3A)
+private val BbAccent = Color(0xFF1A9FFF)
+private val BbAccentGlow = Color(0xFF58A6FF)
+private val BbTextPrimary = Color(0xFFF0F4FF)
+private val BbTextSecondary = Color(0xFF93A6BC)
+private val BbScrim = Color(0xFF000000)
+private val BbLocked = Color(0xFF505060)
+
+/**
+ * Steam beta-branch picker — a Workshop-shaped modal window listing the game's
+ * PICS depots.branches entries. Tapping an unlocked row persists the selection,
+ * closes the window and triggers the update flow so the branch's build actually
+ * downloads. Password-protected branches are shown as disabled (no
+ * beta-password support in this app).
+ *
+ * Stateless: data and callbacks are hoisted to the BetaBranchesDialog wrapper.
+ */
+@Composable
+internal fun StoreBetaBranchScreen(
+    gameTitle: String,
+    branches: List<StoreBetaBranchItem>,
+    selectedBranch: StoreBetaBranchItem?,
+    onSelect: (StoreBetaBranchItem) -> Unit,
+    onClose: () -> Unit,
+) {
+    BoxWithConstraints(
+        modifier =
+            Modifier
+                .fillMaxSize()
+                .background(BbScrim.copy(alpha = 0.6f))
+                .windowInsetsPadding(WindowInsets.navigationBars),
+        contentAlignment = Alignment.Center,
+    ) {
+        val dialogWidth = (maxWidth - 32.dp).coerceAtMost(560.dp)
+        val dialogMaxHeight = (maxHeight - 48.dp).coerceIn(220.dp, 640.dp)
+        Surface(
+            modifier =
+                Modifier
+                    .widthIn(min = 320.dp, max = dialogWidth)
+                    .fillMaxWidth()
+                    .heightIn(max = dialogMaxHeight),
+            shape = RoundedCornerShape(14.dp),
+            color = BbBg,
+            border = BorderStroke(1.dp, BbBorder),
+            tonalElevation = 8.dp,
+        ) {
+            Column(Modifier.fillMaxWidth()) {
+                BetaBranchHeader(
+                    gameTitle = gameTitle,
+                    branchCount = branches.size,
+                    onClose = onClose,
+                )
+                HorizontalDivider(color = BbBorder, thickness = 0.5.dp)
+                LazyColumn(
+                    modifier = Modifier.fillMaxWidth().weight(1f, fill = false),
+                    contentPadding = PaddingValues(vertical = 4.dp),
+                ) {
+                    itemsIndexed(branches) { index, branch ->
+                        BetaBranchPickerRow(
+                            branch = branch,
+                            selected = branch == selectedBranch,
+                            onClick = { onSelect(branch) },
+                        )
+                        if (index < branches.lastIndex) {
+                            HorizontalDivider(
+                                color = Color.White.copy(alpha = 0.06f),
+                                thickness = 1.dp,
+                                modifier = Modifier.padding(horizontal = 14.dp),
+                            )
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun BetaBranchHeader(
+    gameTitle: String,
+    branchCount: Int,
+    onClose: () -> Unit,
+) {
+    Row(
+        modifier = Modifier.fillMaxWidth().padding(start = 16.dp, end = 8.dp, top = 10.dp, bottom = 10.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.spacedBy(10.dp),
+    ) {
+        Box(
+            Modifier
+                .size(34.dp)
+                .clip(RoundedCornerShape(9.dp))
+                .background(BbAccent.copy(alpha = 0.16f)),
+            contentAlignment = Alignment.Center,
+        ) {
+            Icon(
+                Icons.Outlined.AltRoute,
+                contentDescription = null,
+                tint = BbAccentGlow,
+                modifier = Modifier.size(19.dp),
+            )
+        }
+        Column(Modifier.weight(1f), verticalArrangement = Arrangement.spacedBy(1.dp)) {
+            Text(
+                stringResource(R.string.store_game_beta_branch).uppercase(),
+                color = BbTextSecondary,
+                fontSize = 9.sp,
+                fontWeight = FontWeight.Bold,
+                letterSpacing = 0.9.sp,
+            )
+            Text(
+                gameTitle,
+                style = MaterialTheme.typography.titleSmall,
+                color = BbTextPrimary,
+                fontWeight = FontWeight.Bold,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis,
+            )
+        }
+        Surface(
+            modifier =
+                Modifier.semantics {
+                    contentDescription = "$branchCount branches"
+                },
+            color = BbAccent.copy(alpha = 0.14f),
+            shape = RoundedCornerShape(7.dp),
+        ) {
+            Text(
+                branchCount.toString(),
+                color = BbAccentGlow,
+                fontSize = 11.sp,
+                fontWeight = FontWeight.Bold,
+                modifier = Modifier.padding(horizontal = 9.dp, vertical = 3.dp),
+            )
+        }
+        IconButton(onClick = onClose, modifier = Modifier.size(36.dp)) {
+            Icon(
+                Icons.Outlined.Close,
+                contentDescription = "Close",
+                tint = BbTextSecondary,
+                modifier = Modifier.size(20.dp),
+            )
+        }
+    }
+}
+
+@Composable
+private fun BetaBranchPickerRow(
+    branch: StoreBetaBranchItem,
+    selected: Boolean,
+    onClick: () -> Unit,
+) {
+    val rowAlpha = if (branch.pwdRequired) 0.45f else 1f
+    Row(
+        modifier =
+            Modifier
+                .fillMaxWidth()
+                .then(if (!branch.pwdRequired) Modifier.clickable(onClick = onClick) else Modifier)
+                .alpha(rowAlpha)
+                .padding(horizontal = 14.dp, vertical = 11.dp),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.spacedBy(11.dp),
+    ) {
+        Column(Modifier.weight(1f), verticalArrangement = Arrangement.spacedBy(2.dp)) {
+            val displayName =
+                if (branch.name.equals("public", ignoreCase = true)) {
+                    "${branch.name}  (default)"
+                } else {
+                    branch.name
+                }
+            Text(
+                displayName,
+                color = if (selected) BbAccentGlow else BbTextPrimary,
+                fontSize = 13.sp,
+                fontWeight = FontWeight.SemiBold,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis,
+            )
+            val dateStr =
+                remember(branch.timeUpdated) {
+                    branch.timeUpdated
+                        ?.let { SimpleDateFormat("MMM d, yyyy", Locale.US).format(it) }
+                        ?: "—"
+                }
+            Text(
+                "build ${branch.buildId}  ·  $dateStr",
+                color = BbTextSecondary,
+                fontSize = 11.sp,
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis,
+            )
+        }
+        when {
+            branch.pwdRequired -> Icon(
+                Icons.Outlined.Lock,
+                contentDescription = null,
+                tint = BbLocked,
+                modifier = Modifier.size(17.dp),
+            )
+            selected -> Icon(
+                Icons.Outlined.Check,
+                contentDescription = null,
+                tint = BbAccentGlow,
+                modifier = Modifier.size(18.dp),
+            )
+        }
+    }
+}