coding

iOSClient/Main/NCDetailViewController.swift

@@ -629,6 +629,7 @@ extension NCDetailViewController: NCViewerImageViewControllerDelegate, NCViewerI
         let metadata = metadatas[index]
         let isPreview = CCUtility.fileProviderStorageIconExists(metadata.ocId, fileNameView: metadata.fileNameView)
         let isImage = CCUtility.fileProviderStorageSize(metadata.ocId, fileNameView: metadata.fileNameView) > 0
+        let ext = CCUtility.getExtension(metadata.fileNameView)
         
         // Refresh self metadata && title
         if viewerImageViewController.index < metadatas.count {
@@ -657,7 +658,7 @@ extension NCDetailViewController: NCViewerImageViewControllerDelegate, NCViewerI
             }
                 
         // HEIC
-        } else if metadata.contentType == "image/heic" && CCUtility.fileProviderStorageSize(metadata.ocId, fileNameView: metadata.fileNameView) == 0 && metadata.hasPreview == false && metadata.session == "" {
+        } else if metadata.session == "" && CCUtility.fileProviderStorageSize(metadata.ocId, fileNameView: metadata.fileNameView) == 0 && ((metadata.contentType == "image/heic" &&  metadata.hasPreview == false) || ext == "GIF") {
             
             let serverUrlFileName = metadata.serverUrl + "/" + metadata.fileName
             let fileNameLocalPath = CCUtility.getDirectoryProviderStorageOcId(metadata.ocId, fileNameView: metadata.fileName)!