fix empty toast issue and improve the duration of toast

Session/Conversations/Context Menu/ContextMenuVC+Action.swift

@@ -14,10 +14,11 @@ extension ContextMenuVC {
     struct Action {
         let icon: UIImage?
         let title: String
-        let feedback: String
+        let feedback: String?
         let expirationInfo: ExpirationInfo?
         let themeColor: ThemeValue
         let actionType: ActionType
+        let shouldDismissInfoScreen: Bool
         let accessibilityLabel: String?
         let work: () -> Void
         
@@ -33,10 +34,11 @@ extension ContextMenuVC {
         init(
             icon: UIImage? = nil,
             title: String = "",
-            feedback: String = "",
+            feedback: String? = nil,
             expirationInfo: ExpirationInfo? = nil,
             themeColor: ThemeValue = .textPrimary,
             actionType: ActionType = .generic,
+            shouldDismissInfoScreen: Bool = false,
             accessibilityLabel: String? = nil,
             work: @escaping () -> Void
         ) {
@@ -46,6 +48,7 @@ extension ContextMenuVC {
             self.expirationInfo = expirationInfo
             self.themeColor = themeColor
             self.actionType = actionType
+            self.shouldDismissInfoScreen = shouldDismissInfoScreen
             self.accessibilityLabel = accessibilityLabel
             self.work = work
         }
@@ -75,6 +78,7 @@ extension ContextMenuVC {
             return Action(
                 icon: UIImage(named: "ic_reply"),
                 title: "reply".localized(),
+                shouldDismissInfoScreen: true,
                 accessibilityLabel: "Reply to message"
             ) { delegate?.reply(cellViewModel, using: dependencies) }
         }
@@ -107,6 +111,7 @@ extension ContextMenuVC {
                     expiresInSeconds: cellViewModel.expiresInSeconds
                 ),
                 themeColor: .danger,
+                shouldDismissInfoScreen: true,
                 accessibilityLabel: "Delete message"
             ) { delegate?.delete(cellViewModel, using: dependencies) }
         }
@@ -134,6 +139,7 @@ extension ContextMenuVC {
                 icon: UIImage(named: "ic_block"),
                 title: "banDeleteAll".localized(),
                 themeColor: .danger,
+                shouldDismissInfoScreen: true,
                 accessibilityLabel: "Ban user and delete"
             ) { delegate?.banAndDeleteAllMessages(cellViewModel, using: dependencies) }
         }

Session/Media Viewing & Editing/MessageInfoScreen.swift

@@ -307,9 +307,12 @@ struct MessageInfoScreen: View {
                                         action: {
                                             actions[index].work()
                                             feedbackMessage = actions[index].feedback
-                                            DispatchQueue.main.asyncAfter(deadline: .now() + 2, execute: {
+                                            if actions[index].shouldDismissInfoScreen {
+                                                let deadline: DispatchTime = .now() + (feedbackMessage?.isEmpty == false ? 2 : 0)
+                                                DispatchQueue.main.asyncAfter(deadline: deadline, execute: {
                                                     dismiss()
                                                 })
+                                            }
                                         },
                                         label: {
                                             HStack(spacing: Values.largeSpacing) {

SessionUIKit/Components/SwiftUI/Toast.swift

@@ -2,6 +2,7 @@
 
 import SwiftUI
 import Combine
+import NaturalLanguage
 
 public struct ToastModifier: ViewModifier {
     @Binding var message: String?
@@ -34,7 +35,17 @@ public struct ToastModifier: ViewModifier {
         }
   
         workItem = task
-        DispatchQueue.main.asyncAfter(deadline: .now() + 1.5, execute: task)
+        
+        let duration: TimeInterval = {
+            guard let message: String = message else { return 1.5 }
+            
+            let tokenizer = NLTokenizer(unit: .word)
+            tokenizer.string = message
+            let wordCount = tokenizer.tokens(for: message.startIndex..<message.endIndex).count
+            return min(1.5 + Double(wordCount - 1) * 0.1 , 5)
+        }()
+        
+        DispatchQueue.main.asyncAfter(deadline: .now() + duration, execute: task)
     }
   
     private func dismissToast() {