Added config for becoming first responder on channel appearance

Author: martinmitrevski

Sources/StreamChatSwiftUI/ChatChannel/Composer/ComposerTextInputView.swift

@@ -7,6 +7,9 @@ import UIKit
 
 /// SwiftUI wrapper for a text field with multiple rows.
 struct ComposerTextInputView: UIViewRepresentable {
+    
+    @Injected(\.utils) private var utils
+    
     @Binding var text: String
     @Binding var height: CGFloat
     @Binding var selectedRangeLocation: Int
@@ -24,6 +27,10 @@ struct ComposerTextInputView: UIViewRepresentable {
         inputTextView.placeholderLabel.text = placeholder
         inputTextView.contentInsetAdjustmentBehavior = .never
 
+        if utils.messageListConfig.becomesFirstResponderOnOpen {
+            inputTextView.becomeFirstResponder()
+        }
+        
         return inputTextView
     }
 

Sources/StreamChatSwiftUI/ChatChannel/MessageList/MessageListConfig.swift

@@ -16,7 +16,8 @@ public struct MessageListConfig {
         dateIndicatorPlacement: DateIndicatorPlacement = .overlay,
         pageSize: Int = 50,
         messagePopoverEnabled: Bool = true,
-        doubleTapOverlayEnabled: Bool = false
+        doubleTapOverlayEnabled: Bool = false,
+        becomesFirstResponderOnOpen: Bool = false
     ) {
         self.messageListType = messageListType
         self.typingIndicatorPlacement = typingIndicatorPlacement
@@ -27,6 +28,7 @@ public struct MessageListConfig {
         self.pageSize = pageSize
         self.messagePopoverEnabled = messagePopoverEnabled
         self.doubleTapOverlayEnabled = doubleTapOverlayEnabled
+        self.becomesFirstResponderOnOpen = becomesFirstResponderOnOpen
     }
 
     let messageListType: MessageListType
@@ -38,6 +40,7 @@ public struct MessageListConfig {
     let pageSize: Int
     let messagePopoverEnabled: Bool
     let doubleTapOverlayEnabled: Bool
+    let becomesFirstResponderOnOpen: Bool
 }
 
 /// Contains information about the message paddings.