From 6fb5990faa0d8662eaeb61392d63c04114213696 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael.code@endoftheworl.de>
Date: Tue, 12 Dec 2017 13:03:53 -0500
Subject: [PATCH] Don't zoom for audio/generic attachments

// FREEBIE
---
 .../attachments/AttachmentApprovalViewController.swift     | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/SignalMessaging/attachments/AttachmentApprovalViewController.swift b/SignalMessaging/attachments/AttachmentApprovalViewController.swift
index dcdf58e0b..7b68cc40c 100644
--- a/SignalMessaging/attachments/AttachmentApprovalViewController.swift
+++ b/SignalMessaging/attachments/AttachmentApprovalViewController.swift
@@ -236,7 +236,12 @@ public class AttachmentApprovalViewController: OWSViewController {
 extension AttachmentApprovalViewController: UIScrollViewDelegate {
 
     public func viewForZooming(in scrollView: UIScrollView) -> UIView? {
-        return mediaMessageView
+        if attachment.isImage || attachment.isVideo {
+            return mediaMessageView
+        } else {
+            // don't zoom for audio or generic attachments.
+            return nil
+        }
     }
 
     fileprivate func updateMinZoomScaleForSize(_ size: CGSize) {