android, desktop: try-catch composables

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatView.kt

@@ -900,7 +900,11 @@ fun BoxWithConstraintsScope.ChatItemsList(
 
         @Composable
         fun ChatItemViewShortHand(cItem: ChatItem, range: IntRange?) {
-          ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, linkMode = linkMode, revealed = revealed, range = range, deleteMessage = deleteMessage, deleteMessages = deleteMessages, receiveFile = receiveFile, cancelFile = cancelFile, joinGroup = joinGroup, acceptCall = acceptCall, acceptFeature = acceptFeature, openDirectChat = openDirectChat, updateContactStats = updateContactStats, updateMemberStats = updateMemberStats, syncContactConnection = syncContactConnection, syncMemberConnection = syncMemberConnection, findModelChat = findModelChat, findModelMember = findModelMember, scrollToItem = scrollToItem, setReaction = setReaction, showItemDetails = showItemDetails, developerTools = developerTools)
+          tryOrShowError(cItem.id, error = {
+            CIBrokenComposableView(if (cItem.chatDir.sent) Alignment.CenterEnd else Alignment.CenterStart)
+          }) {
+            ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, linkMode = linkMode, revealed = revealed, range = range, deleteMessage = deleteMessage, deleteMessages = deleteMessages, receiveFile = receiveFile, cancelFile = cancelFile, joinGroup = joinGroup, acceptCall = acceptCall, acceptFeature = acceptFeature, openDirectChat = openDirectChat, updateContactStats = updateContactStats, updateMemberStats = updateMemberStats, syncContactConnection = syncContactConnection, syncMemberConnection = syncMemberConnection, findModelChat = findModelChat, findModelMember = findModelMember, scrollToItem = scrollToItem, setReaction = setReaction, showItemDetails = showItemDetails, developerTools = developerTools)
+          }
         }
 
         @Composable

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIBrokenComposableView.kt

@@ -0,0 +1,18 @@
+package chat.simplex.common.views.chat.item
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import dev.icerock.moko.resources.compose.stringResource
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.unit.dp
+import chat.simplex.res.MR
+
+@Composable
+fun CIBrokenComposableView(alignment: Alignment) {
+  Box(Modifier.fillMaxWidth().padding(horizontal = 10.dp, vertical = 6.dp), contentAlignment = alignment) {
+    Text(stringResource(MR.strings.failed_to_display_message), color = MaterialTheme.colors.error, fontStyle = FontStyle.Italic)
+  }
+}

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/helpers/Utils.kt

@@ -390,6 +390,25 @@ fun IntSize.Companion.Saver(): Saver<IntSize, *> = Saver(
   restore = { IntSize(it.first, it.second) }
 )
 
+private var lastExecutedComposables = HashSet<Any>()
+private val failedComposables = HashSet<Any>()
+
+@Composable
+fun tryOrShowError(key: Any = Exception().stackTraceToString().lines()[2], error: @Composable () -> Unit = {}, content: @Composable () -> Unit) {
+  if (!failedComposables.contains(key)) {
+    lastExecutedComposables.add(key)
+    content()
+    lastExecutedComposables.remove(key)
+  } else {
+    error()
+  }
+}
+
+fun includeMoreFailedComposables() {
+  lastExecutedComposables.forEach { failedComposables.add(it) }
+  lastExecutedComposables.clear()
+}
+
 @Composable
 fun DisposableEffectOnGone(always: () -> Unit = {}, whenDispose: () -> Unit = {}, whenGone: () -> Unit) {
   DisposableEffect(Unit) {

apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml

@@ -45,6 +45,7 @@
   <string name="moderated_description">moderated</string>
   <string name="invalid_chat">invalid chat</string>
   <string name="invalid_data">invalid data</string>
+  <string name="failed_to_display_message">failed to display the message</string>
   <string name="decryption_error">Decryption error</string>
   <string name="encryption_renegotiation_error">Encryption re-negotiation error</string>
 

apps/multiplatform/common/src/desktopMain/kotlin/chat/simplex/common/DesktopApp.kt

@@ -45,6 +45,7 @@ fun showApp() {
             Log.e(TAG, "App crashed, thread name: " + Thread.currentThread().name + ", exception: " + e.stackTraceToString())
             window.dispatchEvent(WindowEvent(window, WindowEvent.WINDOW_CLOSING))
             closedByError.value = true
+            includeMoreFailedComposables()
             // If the left side of screen has open modal, it's probably caused the crash
             if (ModalManager.start.hasModalsOpen()) {
               ModalManager.start.closeModal()