From c3edbd9aa4e1e2eefaee75b3527b261bd09a4ec3 Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Wed, 7 Jun 2017 17:08:10 -0400
Subject: [PATCH] Fix paste of text fragments.

// FREEBIE
---
 Signal/src/ViewControllers/SignalAttachment.swift | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/Signal/src/ViewControllers/SignalAttachment.swift b/Signal/src/ViewControllers/SignalAttachment.swift
index 92043a657..88b7d7734 100644
--- a/Signal/src/ViewControllers/SignalAttachment.swift
+++ b/Signal/src/ViewControllers/SignalAttachment.swift
@@ -279,6 +279,12 @@ class SignalAttachment: NSObject {
         return MIMETypeUtil.supportedAudioUTITypes()
     }
 
+    // Returns the set of UTIs that correspond to valid image, video and audio formats
+    // for Signal attachments.
+    private class var mediaUTISet: Set<String> {
+        return audioUTISet.union(videoUTISet).union(animatedImageUTISet).union(inputImageUTISet)
+    }
+
     public var isImage: Bool {
         return SignalAttachment.outputImageUTISet.contains(dataUTI)
     }
@@ -308,7 +314,7 @@ class SignalAttachment: NSObject {
             return false
         }
         let pasteboardUTISet = Set<String>(pasteboardUTITypes[0])
-        
+
         if pasteboardUTISet.contains(kUTTypeURL as String) {
             return true
         }
@@ -332,7 +338,7 @@ class SignalAttachment: NSObject {
         for utiType in pasteboardUTISet {
             if UTTypeConformsTo(utiType as CFString, kUTTypeText) {
                 hasTextUTIType = true
-            } else {
+            } else if mediaUTISet.contains(utiType) {
                 hasNonTextUTIType = true
             }
         }