misc(design) : introduce SimpleModalBottomSheet component

Author: ganfra

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/SimpleModalBottomSheet.kt

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.designsystem.components
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.rememberModalBottomSheetState
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.datasource.LoremIpsum
+import androidx.compose.ui.unit.dp
+import io.element.android.compound.theme.ElementTheme
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.theme.components.ModalBottomSheet
+import io.element.android.libraries.designsystem.theme.components.Text
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun SimpleModalBottomSheet(
+    title: String,
+    onDismiss: () -> Unit,
+    modifier: Modifier = Modifier,
+    content: @Composable ColumnScope.() -> Unit,
+) {
+    ModalBottomSheet(
+        onDismissRequest = onDismiss,
+        modifier = modifier,
+        sheetState = rememberModalBottomSheetState(skipPartiallyExpanded = true),
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+        ) {
+            Text(
+                title,
+                style = ElementTheme.typography.fontBodyLgMedium,
+                color = ElementTheme.colors.textPrimary,
+            )
+            Spacer(Modifier.height(8.dp))
+            content()
+        }
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun SimpleModalBottomSheetPreview() = ElementPreview {
+    SimpleModalBottomSheet(title = "A title", onDismiss = {}) {
+        Text(
+            text = LoremIpsum(20).values.first(),
+            color = ElementTheme.colors.textSecondary,
+            style = ElementTheme.typography.fontBodyMdRegular,
+        )
+    }
+}