From 89c5f93aaddf58d4e1c994a5d2a6f196bd7aa567 Mon Sep 17 00:00:00 2001
From: Matthew Chen <charlesmchen@gmail.com>
Date: Thu, 27 Apr 2017 08:57:16 -0400
Subject: [PATCH] Tweak appearance of "export with Signal" UI.

// FREEBIE
---
 Signal/src/ViewControllers/SendExternalFileViewController.m | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Signal/src/ViewControllers/SendExternalFileViewController.m b/Signal/src/ViewControllers/SendExternalFileViewController.m
index 501f83ace..d075d89cf 100644
--- a/Signal/src/ViewControllers/SendExternalFileViewController.m
+++ b/Signal/src/ViewControllers/SendExternalFileViewController.m
@@ -119,10 +119,14 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (NSString *)formattedFileName
 {
+    // AppDelegate already verifies that this attachment has a valid filename.
+    //
+    // TODO: If we reuse this VC, for example to offer a "forward attachment to other thread",
+    //       feature, this assumption would no longer apply.
     OWSAssert(self.attachment) NSString *filename =
         [self.attachment.filename stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
     OWSAssert(filename.length > 0);
-    const NSUInteger kMaxFilenameLength = 50;
+    const NSUInteger kMaxFilenameLength = 20;
     if (filename.length > kMaxFilenameLength) {
         // Truncate the filename if necessary.
         //