Added method to swap typing indicator view

Author: martinmitrevski

Sources/StreamChatSwiftUI/ChatChannel/MessageList/MessageListView.swift

@@ -217,8 +217,9 @@ public struct MessageListView<Factory: ViewFactory>: View, KeyboardReadable {
             }
 
             if shouldShowTypingIndicator {
-                TypingIndicatorBottomView(
-                    typingIndicatorString: channel.typingIndicatorString(currentUserId: chatClient.currentUserId)
+                factory.makeTypingIndicatorBottomView(
+                    channel: channel,
+                    currentUserId: chatClient.currentUserId
                 )
             }
         }

Sources/StreamChatSwiftUI/DefaultViewFactory.swift

@@ -435,6 +435,14 @@ extension ViewFactory {
         DateIndicatorView(date: date)
     }
 
+    public func makeTypingIndicatorBottomView(
+        channel: ChatChannel,
+        currentUserId: UserId?
+    ) -> some View {
+        let typingIndicatorString = channel.typingIndicatorString(currentUserId: currentUserId)
+        return TypingIndicatorBottomView(typingIndicatorString: typingIndicatorString)
+    }
+    
     public func makeGiphyBadgeViewType(
         for message: ChatMessage,
         availableWidth: CGFloat

Sources/StreamChatSwiftUI/ViewFactory.swift

@@ -443,6 +443,17 @@ public protocol ViewFactory: AnyObject {
     /// - Returns: view shown above messages separated by date.
     func makeMessageListDateIndicator(date: Date) -> MessageListDateIndicatorViewType
 
+    associatedtype TypingIndicatorBottomViewType: View
+    /// Creates the typing indicator shown at the bottom of a message list.
+    /// - Parameters:
+    ///  - channel: the channel where the indicator is shown.
+    ///  - currentUserId: the id of the current user.
+    /// - Returns: view shown in the typing indicator slot.
+    func makeTypingIndicatorBottomView(
+        channel: ChatChannel,
+        currentUserId: UserId?
+    ) -> TypingIndicatorBottomViewType
+    
     associatedtype GiphyBadgeViewType: View
     /// Creates giphy badge view.
     /// If support for more than one custom view is needed, just do if-else check inside the view.

StreamChatSwiftUITests/Tests/Utils/ViewFactory_Tests.swift

@@ -730,6 +730,20 @@ class ViewFactory_Tests: StreamChatTestCase {
         // Then
         XCTAssert(view is MessageRepliesView<DefaultViewFactory>)
     }
+    
+    func test_viewFactory_makeTypingIndicatorBottomView() {
+        // Given
+        let viewFactory = DefaultViewFactory.shared
+        
+        // When
+        let view = viewFactory.makeTypingIndicatorBottomView(
+            channel: .mockDMChannel(),
+            currentUserId: nil
+        )
+        
+        // Then
+        XCTAssert(view is TypingIndicatorBottomView)
+    }
 }
 
 extension ChannelAction: Equatable {