From e48cfafb606101fe3b94c668c2a45e7c3d262de0 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 21 Mar 2023 16:55:25 +0100
Subject: [PATCH] Thread safe toHtml

---
 app/src/main/java/eu/faircode/email/HtmlEx.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/HtmlEx.java b/app/src/main/java/eu/faircode/email/HtmlEx.java
index 0eef9e3003..e5cbe59ea6 100644
--- a/app/src/main/java/eu/faircode/email/HtmlEx.java
+++ b/app/src/main/java/eu/faircode/email/HtmlEx.java
@@ -21,6 +21,7 @@ import static android.text.Html.TO_HTML_PARAGRAPH_LINES_CONSECUTIVE;
 import android.content.Context;
 import android.graphics.Typeface;
 import android.text.Layout;
+import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.TextDirectionHeuristics;
 import android.text.TextUtils;
@@ -75,8 +76,9 @@ public class HtmlEx {
      * @return string containing input converted to HTML
      */
     public /* static */ String toHtml(Spanned text, int option) {
+        SpannableStringBuilder ssb = new SpannableStringBuilderEx(text);
         StringBuilder out = new StringBuilder();
-        withinHtml(out, text, option);
+        withinHtml(out, ssb, option);
         return out.toString();
     }