feat(assistant): copy content

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/main/java/com/nextcloud/client/assistant/chat/ChatContent.kt

@@ -9,6 +9,7 @@
 
 package com.nextcloud.client.assistant.chat
 
+import android.content.ClipData
 import androidx.compose.animation.core.LinearEasing
 import androidx.compose.animation.core.RepeatMode
 import androidx.compose.animation.core.animateFloat
@@ -17,6 +18,7 @@ import androidx.compose.animation.core.rememberInfiniteTransition
 import androidx.compose.animation.core.tween
 import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
+import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -36,18 +38,26 @@ import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Button
 import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+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.draw.scale
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalClipboard
+import androidx.compose.ui.platform.toClipEntry
 import androidx.compose.ui.res.colorResource
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
@@ -60,6 +70,7 @@ import com.nextcloud.utils.TimeConstants
 import com.nextcloud.utils.extensions.time
 import com.owncloud.android.R
 import com.owncloud.android.lib.resources.assistant.chat.model.ChatMessage
+import kotlinx.coroutines.launch
 import java.time.Instant
 
 private val MIN_CHAT_HEIGHT = 60.dp
@@ -342,6 +353,10 @@ private fun TypingAnimation() {
 
 @Composable
 private fun AssistantMessageItem(message: ChatMessage) {
+    var showMenu by remember { mutableStateOf(false) }
+    val clipboard = LocalClipboard.current
+    val scope = rememberCoroutineScope()
+
     Box(
         modifier = Modifier
             .padding(vertical = 12.dp)
@@ -375,15 +390,39 @@ private fun AssistantMessageItem(message: ChatMessage) {
                         )
                     )
                     .background(color = colorResource(R.color.bg_message_bubble))
+                    .combinedClickable(
+                        onClick = {},
+                        onLongClick = { showMenu = true }
+                    )
             ) {
                 MessageTextItem(message)
+                DropdownMenu(
+                    expanded = showMenu,
+                    onDismissRequest = { showMenu = false }
+                ) {
+                    DropdownMenuItem(
+                        text = { Text(stringResource(R.string.common_copy)) },
+                        onClick = {
+                            scope.launch {
+                                clipboard.setClipEntry(
+                                    ClipData.newPlainText(null, message.content).toClipEntry()
+                                )
+                            }
+                            showMenu = false
+                        }
+                    )
+                }
             }
         }
     }
 }
 
 @Composable
 private fun UserMessageItem(message: ChatMessage) {
+    var showMenu by remember { mutableStateOf(false) }
+    val clipboard = LocalClipboard.current
+    val scope = rememberCoroutineScope()
+
     Box(
         modifier = Modifier
             .padding(vertical = 12.dp)
@@ -402,8 +441,28 @@ private fun UserMessageItem(message: ChatMessage) {
                     )
                 )
                 .background(color = colorResource(R.color.bg_message_bubble))
+                .combinedClickable(
+                    onClick = {},
+                    onLongClick = { showMenu = true }
+                )
         ) {
             MessageTextItem(message)
+            DropdownMenu(
+                expanded = showMenu,
+                onDismissRequest = { showMenu = false }
+            ) {
+                DropdownMenuItem(
+                    text = { Text(stringResource(R.string.common_copy)) },
+                    onClick = {
+                        scope.launch {
+                            clipboard.setClipEntry(
+                                ClipData.newPlainText(null, message.content).toClipEntry()
+                            )
+                        }
+                        showMenu = false
+                    }
+                )
+            }
         }
     }
 }