From f68e40f7d85441bbdffd82ca639c9d9602a2ef30 Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Thu, 23 Mar 2017 16:08:57 -0400
Subject: [PATCH] Add animated gif UTI types to attachment.

// FREEBIE
---
 Signal/src/view controllers/SignalAttachment.swift | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Signal/src/view controllers/SignalAttachment.swift b/Signal/src/view controllers/SignalAttachment.swift
index 897bebb9c..d240d1aa4 100644
--- a/Signal/src/view controllers/SignalAttachment.swift	
+++ b/Signal/src/view controllers/SignalAttachment.swift	
@@ -128,14 +128,14 @@ class SignalAttachment: NSObject {
     // Image attachments may be converted to another image format before 
     // being uploaded.
     private class var inputImageUTISet: Set<String> {
-        return MIMETypeUtil.supportedImageUTITypes()
+        return MIMETypeUtil.supportedImageUTITypes().union(animatedImageUTISet)
     }
 
     // Returns the set of UTIs that correspond to valid _output_ image formats
     // for Signal attachments.
     private class var outputImageUTISet: Set<String> {
         if allowArbitraryAttachments {
-            return MIMETypeUtil.supportedImageUTITypes()
+            return MIMETypeUtil.supportedImageUTITypes().union(animatedImageUTISet)
         } else {
             // Until Android client can handle arbitrary attachments,
             // restrict output.