Artificial delay when a message fails to send (#2091)

ElementX/Sources/Screens/RoomScreen/View/Style/TimelineItemBubbledStylerView.swift

@@ -24,6 +24,7 @@ struct TimelineItemBubbledStylerView<Content: View>: View {
     @Environment(\.timelineGroupStyle) private var timelineGroupStyle
     
     let timelineItem: EventBasedTimelineItemProtocol
+    let adjustedDeliveryStatus: TimelineItemDeliveryStatus?
     @ViewBuilder let content: () -> Content
     
     @State private var showItemActionMenu = false
@@ -62,7 +63,7 @@ struct TimelineItemBubbledStylerView<Content: View>: View {
                         if !timelineItem.isOutgoing {
                             Spacer()
                         }
-                        TimelineItemStatusView(timelineItem: timelineItem)
+                        TimelineItemStatusView(timelineItem: timelineItem, adjustedDeliveryStatus: adjustedDeliveryStatus)
                             .environmentObject(context)
                             .padding(.top, 8)
                             .padding(.bottom, 3)
@@ -162,7 +163,7 @@ struct TimelineItemBubbledStylerView<Content: View>: View {
 
     @ViewBuilder
     var interactiveLocalizedSendInfo: some View {
-        if timelineItem.hasFailedToSend {
+        if adjustedDeliveryStatus == .sendingFailed {
             layoutedLocalizedSendInfo
                 .onTapGesture {
                     context.sendFailedConfirmationDialogInfo = .init(itemID: timelineItem.id)
@@ -203,12 +204,12 @@ struct TimelineItemBubbledStylerView<Content: View>: View {
                 Text(timelineItem.timestamp)
             }
 
-            if timelineItem.hasFailedToSend {
+            if adjustedDeliveryStatus == .sendingFailed {
                 CompoundIcon(\.error, size: .xSmall, relativeTo: .compound.bodyXS)
             }
         }
         .font(.compound.bodyXS)
-        .foregroundColor(timelineItem.hasFailedToSend ? .compound.textCriticalPrimary : .compound.textSecondary)
+        .foregroundColor(adjustedDeliveryStatus == .sendingFailed ? .compound.textCriticalPrimary : .compound.textSecondary)
     }
     
     @ViewBuilder

ElementX/Sources/Screens/RoomScreen/View/Style/TimelineItemPlainStylerView.swift

@@ -22,6 +22,7 @@ struct TimelineItemPlainStylerView<Content: View>: View {
     @Environment(\.timelineGroupStyle) private var timelineGroupStyle
     
     let timelineItem: EventBasedTimelineItemProtocol
+    let adjustedDeliveryStatus: TimelineItemDeliveryStatus?
     @ViewBuilder let content: () -> Content
     
     @State private var showItemActionMenu = false
@@ -36,7 +37,7 @@ struct TimelineItemPlainStylerView<Content: View>: View {
                     supplementaryViews
                 }
             }
-            TimelineItemStatusView(timelineItem: timelineItem)
+            TimelineItemStatusView(timelineItem: timelineItem, adjustedDeliveryStatus: adjustedDeliveryStatus)
                 .environmentObject(context)
         }
     }

ElementX/Sources/Screens/RoomScreen/View/Style/TimelineStyler.swift

@@ -24,13 +24,46 @@ struct TimelineStyler<Content: View>: View {
 
     let timelineItem: EventBasedTimelineItemProtocol
     @ViewBuilder let content: () -> Content
+    
+    @State private var adjustedDeliveryStatus: TimelineItemDeliveryStatus?
+    @State private var task: Task<Void, Never>?
+    
+    init(timelineItem: EventBasedTimelineItemProtocol, @ViewBuilder content: @escaping () -> Content) {
+        self.timelineItem = timelineItem
+        self.content = content
+        _adjustedDeliveryStatus = State(initialValue: timelineItem.properties.deliveryStatus)
+    }
 
     var body: some View {
+        mainContent
+            .onChange(of: timelineItem.properties.deliveryStatus) { newStatus in
+                if newStatus == .sendingFailed {
+                    guard task == nil else {
+                        return
+                    }
+                    task = Task {
+                        try? await Task.sleep(for: .milliseconds(700))
+                        if !Task.isCancelled {
+                            adjustedDeliveryStatus = newStatus
+                        }
+                        task = nil
+                    }
+                } else {
+                    task?.cancel()
+                    task = nil
+                    adjustedDeliveryStatus = newStatus
+                }
+            }
+            .animation(.elementDefault, value: adjustedDeliveryStatus)
+    }
+    
+    @ViewBuilder
+    var mainContent: some View {
         switch style {
         case .plain:
-            TimelineItemPlainStylerView(timelineItem: timelineItem, content: content)
+            TimelineItemPlainStylerView(timelineItem: timelineItem, adjustedDeliveryStatus: adjustedDeliveryStatus, content: content)
         case .bubbles:
-            TimelineItemBubbledStylerView(timelineItem: timelineItem, content: content)
+            TimelineItemBubbledStylerView(timelineItem: timelineItem, adjustedDeliveryStatus: adjustedDeliveryStatus, content: content)
         }
     }
 }

ElementX/Sources/Screens/RoomScreen/View/Supplementary/TimelineItemStatusView.swift

@@ -19,6 +19,7 @@ import SwiftUI
 
 struct TimelineItemStatusView: View {
     let timelineItem: EventBasedTimelineItemProtocol
+    let adjustedDeliveryStatus: TimelineItemDeliveryStatus?
     @Environment(\.timelineStyle) private var style
     @Environment(\.readReceiptsEnabled) private var readReceiptsEnabled
     @EnvironmentObject private var context: RoomScreenViewModel.Context
@@ -36,13 +37,13 @@ struct TimelineItemStatusView: View {
         if !timelineItem.properties.orderedReadReceipts.isEmpty, readReceiptsEnabled {
             readReceipts
         } else {
-            deliveryStatus
+            deliveryStatusBadge
         }
     }
 
     @ViewBuilder
-    var deliveryStatus: some View {
-        switch timelineItem.properties.deliveryStatus {
+    var deliveryStatusBadge: some View {
+        switch adjustedDeliveryStatus {
         case .sending:
             TimelineDeliveryStatusView(deliveryStatus: .sending)
         case .sent, .none:

changelog.d/1352.bugfix

@@ -0,0 +1 @@
+Added a small artificial delay when resending a failed message if it fails instantly, for better UX.

changelog.d/2078.feature

@@ -0,0 +1 @@
+Added a disclaimer on the Mentions Only option for notifications, so that the user will know if it will work properly or not on their home server.