Introduce RoomPreviewAliasAtom with copy feature

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/atomic/atoms/RoomPreviewAliasAtom.kt

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2025 Element Creations Ltd.
+ * Copyright 2024, 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.atomic.atoms
+
+import android.content.ClipData
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.size
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.Clipboard
+import androidx.compose.ui.platform.LocalClipboard
+import androidx.compose.ui.platform.toClipEntry
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import io.element.android.compound.theme.ElementTheme
+import io.element.android.compound.tokens.generated.CompoundIcons
+import io.element.android.libraries.designsystem.preview.ElementPreview
+import io.element.android.libraries.designsystem.preview.PreviewsDayNight
+import io.element.android.libraries.designsystem.text.toDp
+import io.element.android.libraries.designsystem.theme.components.Icon
+import io.element.android.libraries.designsystem.theme.components.Text
+import io.element.android.libraries.ui.strings.CommonStrings
+import kotlinx.coroutines.launch
+
+@Composable
+fun RoomPreviewAliasAtom(
+    alias: String,
+    modifier: Modifier = Modifier,
+    copiable: Boolean = true
+) {
+    val clipboard: Clipboard = LocalClipboard.current
+    val coroutineScope = rememberCoroutineScope()
+    Row(
+        modifier = modifier
+            .clickable(enabled = copiable) {
+                coroutineScope.launch {
+                    val clipData = ClipData.newPlainText(alias, alias)
+                    clipboard.setClipEntry(clipData.toClipEntry())
+                }
+            },
+        horizontalArrangement = Arrangement.spacedBy(4.dp),
+        verticalAlignment = Alignment.CenterVertically,
+    ) {
+        Text(
+            modifier = Modifier.weight(weight = 1f, fill = false),
+            text = alias,
+            style = ElementTheme.typography.fontBodyLgRegular,
+            textAlign = TextAlign.Center,
+            maxLines = 1,
+            overflow = TextOverflow.Ellipsis,
+            color = ElementTheme.colors.textSecondary,
+        )
+        if (copiable) {
+            Icon(
+                imageVector = CompoundIcons.Copy(),
+                contentDescription = stringResource(id = CommonStrings.action_copy),
+                tint = ElementTheme.colors.iconSecondaryAlpha,
+                modifier = Modifier.size(ElementTheme.typography.fontBodyLgRegular.fontSize.toDp())
+            )
+        }
+    }
+}
+
+@PreviewsDayNight
+@Composable
+internal fun RoomPreviewAliasAtomPreview() = ElementPreview {
+    RoomPreviewAliasAtom(
+        alias = "#room-alias:matrix.org",
+        copiable = true
+    )
+}
+