WIP

Signal/src/ViewControllers/ConversationView/Cells/ConversationMediaView.swift

@@ -28,6 +28,7 @@ public class ConversationMediaView: UIView {
     private let maxMessageWidth: CGFloat
     private var loadBlock: (() -> Void)?
     private var unloadBlock: (() -> Void)?
+    var isClosedGroup = false
 
     // MARK: - LoadState
 
@@ -173,12 +174,9 @@ public class ConversationMediaView: UIView {
     }
 
     private func addUploadProgressIfNecessary(_ subview: UIView) -> Bool {
-        guard isOutgoing else {
-            return false
-        }
-        guard let attachmentStream = attachment as? TSAttachmentStream else {
-            return false
-        }
+        guard !isClosedGroup else { return false } // Loki: Due to the way proxying works we can't get upload progress for closed group attachments right now
+        guard isOutgoing else { return false }
+        guard let attachmentStream = attachment as? TSAttachmentStream else { return false }
         guard let attachmentId = attachmentStream.uniqueId else {
             owsFailDebug("Attachment missing unique ID.")
             configure(forError: .invalid)

Signal/src/ViewControllers/ConversationView/Cells/MediaAlbumCellView.swift

@@ -26,13 +26,16 @@ public class MediaAlbumCellView: UIStackView {
     public required init(mediaCache: NSCache<NSString, AnyObject>,
                          items: [ConversationMediaAlbumItem],
                          isOutgoing: Bool,
-                         maxMessageWidth: CGFloat) {
+                         maxMessageWidth: CGFloat,
+                         isClosedGroup: Bool) {
         self.items = items
         self.itemViews = MediaAlbumCellView.itemsToDisplay(forItems: items).map {
-            ConversationMediaView(mediaCache: mediaCache,
+            let result = ConversationMediaView(mediaCache: mediaCache,
                                   attachment: $0.attachment,
                                   isOutgoing: isOutgoing,
                                   maxMessageWidth: maxMessageWidth)
+            result.isClosedGroup = isClosedGroup
+            return result
         }
 
         super.init(frame: .zero)

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageBubbleView.m

@@ -799,11 +799,21 @@ NS_ASSUME_NONNULL_BEGIN
 {
     OWSAssertDebug(self.viewItem.mediaAlbumItems);
 
+    BOOL isClosedGroup = NO;
+    if ([self.viewItem isKindOfClass:TSOutgoingMessage.class]) {
+        TSOutgoingMessage *message = (TSOutgoingMessage *)self.viewItem;
+        if ([message.thread isKindOfClass:TSGroupThread.class]) {
+            TSGroupThread *groupThread = (TSGroupThread *)message.thread;
+            isClosedGroup = (groupThread.groupModel.groupType == closedGroup);
+        }
+    }
+    
     OWSMediaAlbumCellView *albumView =
         [[OWSMediaAlbumCellView alloc] initWithMediaCache:self.cellMediaCache
                                                     items:self.viewItem.mediaAlbumItems
                                                isOutgoing:self.isOutgoing
-                                          maxMessageWidth:self.conversationStyle.maxMessageWidth];
+                                          maxMessageWidth:self.conversationStyle.maxMessageWidth
+                                            isClosedGroup:isClosedGroup];
     self.loadCellContentBlock = ^{
         [albumView loadMedia];
     };