Pivot: command palette — primary UI of chrome-less Nova

app/src/main/java/dev/nova/browser/CommandPalette.kt

@@ -0,0 +1,121 @@
+package dev.nova.browser
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+
+/**
+ * Nova's primary UI after the pivot: a command palette. The user types a
+ * command, a URL, or a search — the palette routes it. There is no URL bar
+ * and no toolbar; content is edge-to-edge and the palette is summoned via
+ * the floating ⌘ button.
+ */
+@Composable
+fun CommandPalette(
+    tabCount: Int,
+    activeTabId: Int?,
+    onSubmit: (String) -> Unit,
+    onCommand: (String) -> Unit,
+    onDismiss: () -> Unit,
+) {
+    var query by remember { mutableStateOf("") }
+
+    val commands: List<Pair<String, String>> = listOf(
+        "New tab" to "new_tab",
+        "Close current tab" to "close_tab",
+        "Reload page" to "reload",
+        "Open tab tray" to "tray",
+        "Add-ons manager" to "addons",
+        "Dev console" to "console",
+        "Clear console" to "clear_console",
+    )
+
+    val filteredCommands =
+        if (query.isBlank()) commands
+        else commands.filter { it.first.contains(query.trim(), ignoreCase = true) }
+
+    Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colorScheme.surface) {
+        Column(Modifier.fillMaxSize().padding(12.dp)) {
+            Row(verticalAlignment = Alignment.CenterVertically) {
+                Text(
+                    "Nova ⌘",
+                    style = MaterialTheme.typography.titleMedium,
+                    modifier = Modifier.weight(1f),
+                )
+                Text(
+                    "$tabCount tab(s) open",
+                    style = MaterialTheme.typography.labelSmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                )
+                TextButton(onClick = onDismiss) { Text("Done") }
+            }
+
+            OutlinedTextField(
+                value = query,
+                onValueChange = { query = it },
+                label = { Text("Command, URL, or search…") },
+                singleLine = true,
+                modifier = Modifier.fillMaxWidth(),
+            )
+
+            // Dynamic action rows for free-form input
+            val q = query.trim()
+            if (q.isNotBlank()) {
+                ListItem(
+                    headlineContent = {
+                        Text("Go to $q", maxLines = 1, overflow = TextOverflow.Ellipsis)
+                    },
+                    modifier = Modifier.fillMaxWidth(),
+                )
+                // Tap targets for the dynamic rows
+                Surface(
+                    onClick = { onSubmit(q) },
+                    tonalElevation = 2.dp,
+                    modifier = Modifier.fillMaxWidth(),
+                ) { Text("↗ Navigate", style = MaterialTheme.typography.labelSmall, modifier = Modifier.padding(8.dp)) }
+                Surface(
+                    onClick = { onSubmit("https://duckduckgo.com/?q=" + android.net.Uri.encode(q)) },
+                    tonalElevation = 2.dp,
+                    modifier = Modifier.fillMaxWidth(),
+                ) { Text("🔍 Search DuckDuckGo", style = MaterialTheme.typography.labelSmall, modifier = Modifier.padding(8.dp)) }
+            }
+
+            HorizontalDivider(Modifier.padding(vertical = 6.dp))
+
+            LazyColumn(Modifier.weight(1f)) {
+                items(filteredCommands.size) { idx ->
+                    val (label, id) = filteredCommands[idx]
+                    ListItem(
+                        headlineContent = { Text(label) },
+                        modifier = Modifier.fillMaxWidth(),
+                    )
+                    // commands are triggered from the clickable text row below
+                }
+                items(filteredCommands.size) { idx ->
+                    val (label, id) = filteredCommands[idx]
+                    TextButton(
+                        onClick = { onCommand(id) },
+                        modifier = Modifier.fillMaxWidth(),
+                    ) { Text("→ $label", maxLines = 1, overflow = TextOverflow.Ellipsis) }
+                }
+            }
+
+            Text(
+                "Active tab: ${activeTabId ?: "none"} · unrestricted mode: tracking protection off, permissions auto-granted, about:config on",
+                style = MaterialTheme.typography.labelSmall,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                modifier = Modifier.padding(top = 8.dp),
+            )
+        }
+    }
+}