refactor: Avatar function

app/src/main/java/ru/risdeveau/pixeldragon/ui/activity/MainActivity.kt

@@ -11,7 +11,6 @@ import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
-import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
@@ -40,7 +39,6 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
-import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
@@ -59,6 +57,8 @@ import de.connect2x.trixnity.client.flattenValues
 import de.connect2x.trixnity.client.room
 import de.connect2x.trixnity.client.store.type
 import de.connect2x.trixnity.clientserverapi.client.SyncState
+import de.connect2x.trixnity.clientserverapi.model.user.avatarUrl
+import de.connect2x.trixnity.clientserverapi.model.user.displayName
 import de.connect2x.trixnity.core.model.events.m.room.CreateEventContent
 import io.github.rabehx.iconsax.Iconsax
 import io.github.rabehx.iconsax.automirrored.outline.ArrowLeft2
@@ -68,7 +68,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import ru.risdeveau.pixeldragon.R
 import ru.risdeveau.pixeldragon.client
-import ru.risdeveau.pixeldragon.ui.item.MXCImage
+import ru.risdeveau.pixeldragon.ui.item.Avatar
 import ru.risdeveau.pixeldragon.ui.layout.Room
 import ru.risdeveau.pixeldragon.ui.layout.RoomList
 import ru.risdeveau.pixeldragon.ui.theme.PixelDragonTheme
@@ -212,6 +212,28 @@ private fun HomeTopBar(syncState: SyncState) {
         title = {
             Text(syncState.toStatusTitle() ?: stringResource(R.string.app_name))
         },
+        actions = {
+            val client = client!!
+
+            var userName by remember { mutableStateOf("?") }
+            var userAvatar: String? by remember { mutableStateOf(null) }
+
+            LaunchedEffect(client) {
+                val profile = client.api.user
+                    .getProfile(client.userId)
+                    .getOrThrow()
+
+                userName = profile.displayName ?: "?"
+                userAvatar = profile.avatarUrl
+            }
+
+            Avatar(
+                Modifier.size(32.dp).clip(CircleShape),
+                userAvatar,
+                userName,
+                MaterialTheme.colorScheme.background
+            )
+        }
     )
 }
 
@@ -260,23 +282,13 @@ private fun RoomTopBarTitle(room: TrixnityRoom) {
     Row(
         verticalAlignment = Alignment.CenterVertically,
     ) {
-        if (room.avatarUrl != null) {
-            MXCImage(
-                mxcUrl = room.avatarUrl!!,
-                modifier = Modifier
-                    .size(36.dp)
-                    .clip(avatarShape),
-                contentScale = ContentScale.Crop,
-                contentDescription = title,
-                showProgress = false,
-            )
-        } else {
-            RoomAvatarPlaceholder(
-                title = title,
-                modifier = Modifier.size(36.dp),
-                isSpace = isSpace,
-            )
-        }
+        Avatar(
+            Modifier
+                .size(36.dp)
+                .clip(avatarShape),
+            room.avatarUrl,
+            title
+        )
 
         Spacer(Modifier.width(10.dp))
 
@@ -289,34 +301,6 @@ private fun RoomTopBarTitle(room: TrixnityRoom) {
     }
 }
 
-@Composable
-private fun RoomAvatarPlaceholder(
-    title: String,
-    modifier: Modifier = Modifier,
-    isSpace: Boolean = false,
-) {
-    val shape = if (isSpace) RoundedCornerShape(8.dp) else CircleShape
-    val initial = title
-        .trim()
-        .firstOrNull()
-        ?.uppercaseChar()
-        ?.toString()
-        ?: "?"
-
-    Box(
-        modifier = modifier
-            .clip(shape)
-            .background(MaterialTheme.colorScheme.secondaryContainer),
-        contentAlignment = Alignment.Center,
-    ) {
-        Text(
-            text = initial,
-            color = MaterialTheme.colorScheme.onSecondaryContainer,
-            style = MaterialTheme.typography.titleMedium,
-        )
-    }
-}
-
 private fun TrixnityRoom.displayName(): String {
     return name?.explicitName
         ?: name?.heroes?.firstNotNullOfOrNull { it.localpart }

app/src/main/java/ru/risdeveau/pixeldragon/ui/item/Avatar.kt

@@ -0,0 +1,65 @@
+/*
+ * Created by sweetbread
+ * Copyright (c) 2026. All rights reserved.
+ */
+
+package ru.risdeveau.pixeldragon.ui.item
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.layout.ContentScale
+
+@Composable
+fun Avatar(
+    modifier: Modifier,
+    url: String?,
+    fallbackName: String,
+    fallbackColor: Color = MaterialTheme.colorScheme.secondaryContainer,
+) {
+    if (url != null) {
+        MXCImage(
+            mxcUrl = url,
+            modifier = modifier,
+            contentScale = ContentScale.Crop,
+            contentDescription = fallbackName,
+            showProgress = false,
+        )
+    } else {
+        AvatarPlaceholder(
+            modifier,
+            fallbackName,
+            fallbackColor,
+        )
+    }
+}
+
+@Composable
+private fun AvatarPlaceholder(
+    modifier: Modifier = Modifier,
+    fallbackName: String,
+    fallbackColor: Color,
+) {
+    val initial = fallbackName
+        .trim()
+        .firstOrNull()
+        ?.uppercaseChar()
+        ?.toString()
+        ?: "?"
+
+    Box(
+        modifier = modifier.background(fallbackColor),
+        contentAlignment = Alignment.Center,
+    ) {
+        Text(
+            text = initial,
+            color = MaterialTheme.colorScheme.onSecondaryContainer,
+            style = MaterialTheme.typography.titleMedium,
+        )
+    }
+}