Added a factory method for customizing the composer text input view

Author: martinmitrevski

CHANGELOG.md

@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### 🐞 Fixed
 - Fixed the text input cursor when a message is being edited
 
+### ✅ Added
+- Added a factory method for customizing the composer text input view
+
 # [4.31.0](https://github.com/GetStream/stream-chat-swiftui/releases/tag/4.31.0)
 _April 25, 2023_
 

Sources/StreamChatSwiftUI/ChatChannel/Composer/MessageComposerView.swift

@@ -311,7 +311,7 @@ public struct ComposerInputView<Factory: ViewFactory>: View {
                     .cornerRadius(16)
                 }
 
-                ComposerTextInputView(
+                factory.makeComposerTextInputView(
                     text: $text,
                     height: $textHeight,
                     selectedRangeLocation: $selectedRangeLocation,

Sources/StreamChatSwiftUI/DefaultViewFactory.swift

@@ -543,6 +543,26 @@ extension ViewFactory {
         }
     }
 
+    public func makeComposerTextInputView(
+        text: Binding<String>,
+        height: Binding<CGFloat>,
+        selectedRangeLocation: Binding<Int>,
+        placeholder: String,
+        editable: Bool,
+        maxMessageLength: Int?,
+        currentHeight: CGFloat
+    ) -> some View {
+        ComposerTextInputView(
+            text: text,
+            height: height,
+            selectedRangeLocation: selectedRangeLocation,
+            placeholder: placeholder,
+            editable: editable,
+            maxMessageLength: maxMessageLength,
+            currentHeight: currentHeight
+        )
+    }
+    
     public func makeTrailingComposerView(
         enabled: Bool,
         cooldownDuration: Int,

Sources/StreamChatSwiftUI/ViewFactory.swift

@@ -536,6 +536,27 @@ public protocol ViewFactory: AnyObject {
         shouldScroll: Bool,
         removeAttachmentWithId: @escaping (String) -> Void
     ) -> ComposerInputViewType
+    
+    associatedtype ComposerTextInputViewType: View
+    /// Creates the composer input view.
+    /// - Parameters:
+    ///  - text: the text displayed in the input view.
+    ///  - height: the height of the view.
+    ///  - selectedRangeLocation: the selected range location of a text.
+    ///  - placeholder: the placeholder shown when there's no text.
+    ///  - editable: whether the text view should be editable.
+    ///  - maxMessageLength: the maximum allowed message length.
+    ///  - currentHeight: the current height of the view.
+    /// - Returns: View shown in the composer text input slot.
+    func makeComposerTextInputView(
+        text: Binding<String>,
+        height: Binding<CGFloat>,
+        selectedRangeLocation: Binding<Int>,
+        placeholder: String,
+        editable: Bool,
+        maxMessageLength: Int?,
+        currentHeight: CGFloat
+    ) -> ComposerTextInputViewType
 
     associatedtype TrailingComposerViewType: View
     /// Creates the trailing composer view.

StreamChatSwiftUITests/Tests/Utils/ViewFactory_Tests.swift

@@ -773,6 +773,25 @@ class ViewFactory_Tests: StreamChatTestCase {
         // Then
         XCTAssert(view is NewMessagesIndicator)
     }
+    
+    func test_viewFactory_makeComposerTextInputView() {
+        // Given
+        let viewFactory = DefaultViewFactory.shared
+        
+        // When
+        let view = viewFactory.makeComposerTextInputView(
+            text: .constant("test"),
+            height: .constant(40),
+            selectedRangeLocation: .constant(0),
+            placeholder: "Send a message",
+            editable: true,
+            maxMessageLength: nil,
+            currentHeight: 40
+        )
+        
+        // Then
+        XCTAssert(view is ComposerTextInputView)
+    }
 }
 
 extension ChannelAction: Equatable {