Add support for overriding onImageTap in LinkAttachmentView (#986)

* Add support for overriding onImageTap in LinkAttachmentView

* Update CHANGELOG.md

Author: nuno-vieira

CHANGELOG.md

@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Opens the `commandsHandler` and makes the mention methods public [#979](https://github.com/GetStream/stream-chat-swiftui/pull/979)
 - Opens `MarkdownFormatter` so that it can be customised [#978](https://github.com/GetStream/stream-chat-swiftui/pull/978)
 - Add participant actions in channel info view [#982](https://github.com/GetStream/stream-chat-swiftui/pull/982)
+- Add support for overriding `onImageTap` in `LinkAttachmentView` [#986](https://github.com/GetStream/stream-chat-swiftui/pull/986)
 
 ### 🐞 Fixed
 - Fix openChannel not working when searching or another chat shown [#975](https://github.com/GetStream/stream-chat-swiftui/pull/975)

Sources/StreamChatSwiftUI/ChatChannel/MessageList/LinkAttachmentView.swift

@@ -14,6 +14,7 @@ public struct LinkAttachmentContainer<Factory: ViewFactory>: View {
     var message: ChatMessage
     var width: CGFloat
     var isFirst: Bool
+    var onImageTap: ((ChatMessageLinkAttachment) -> Void)?
     @Binding var scrolledId: String?
 
     private let padding: CGFloat = 8
@@ -23,12 +24,14 @@ public struct LinkAttachmentContainer<Factory: ViewFactory>: View {
         message: ChatMessage,
         width: CGFloat,
         isFirst: Bool,
-        scrolledId: Binding<String?>
+        scrolledId: Binding<String?>,
+        onImageTap: ((ChatMessageLinkAttachment) -> Void)? = nil
     ) {
         self.factory = factory
         self.message = message
         self.width = width
         self.isFirst = isFirst
+        self.onImageTap = onImageTap
         _scrolledId = scrolledId
     }
 
@@ -69,7 +72,8 @@ public struct LinkAttachmentContainer<Factory: ViewFactory>: View {
                 LinkAttachmentView(
                     linkAttachment: message.linkAttachments[0],
                     width: width,
-                    isFirst: isFirst
+                    isFirst: isFirst,
+                    onImageTap: onImageTap
                 )
             }
         }
@@ -97,11 +101,18 @@ public struct LinkAttachmentView: View {
     var linkAttachment: ChatMessageLinkAttachment
     var width: CGFloat
     var isFirst: Bool
-    
-    public init(linkAttachment: ChatMessageLinkAttachment, width: CGFloat, isFirst: Bool) {
+    var onImageTap: ((ChatMessageLinkAttachment) -> Void)?
+
+    public init(
+        linkAttachment: ChatMessageLinkAttachment,
+        width: CGFloat,
+        isFirst: Bool,
+        onImageTap: ((ChatMessageLinkAttachment) -> Void)? = nil
+    ) {
         self.linkAttachment = linkAttachment
         self.width = width
         self.isFirst = isFirst
+        self.onImageTap = onImageTap
     }
 
     public var body: some View {
@@ -149,6 +160,10 @@ public struct LinkAttachmentView: View {
         }
         .padding(.horizontal, padding)
         .onTapGesture {
+            if let onImageTap {
+                onImageTap(linkAttachment)
+                return
+            }
             if let url = linkAttachment.originalURL.secureURL, UIApplication.shared.canOpenURL(url) {
                 UIApplication.shared.open(url, options: [:])
             }