From 1c4818cf1df0836352896c59aa976c6b733d3ed2 Mon Sep 17 00:00:00 2001
From: Bruno Windels <brunow@element.io>
Date: Mon, 23 Nov 2020 10:28:20 +0100
Subject: [PATCH] prevent a new iframe being created for every download

---
 src/platform/web/dom/download.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/platform/web/dom/download.js b/src/platform/web/dom/download.js
index ec934a65..77a7933b 100644
--- a/src/platform/web/dom/download.js
+++ b/src/platform/web/dom/download.js
@@ -20,7 +20,7 @@ export async function downloadInIframe(container, iframeSrc, blob, filename) {
         iframe = document.createElement("iframe");
         iframe.setAttribute("sandbox", "allow-scripts allow-downloads allow-downloads-without-user-activation");
         iframe.setAttribute("src", iframeSrc);
-        iframe.className = "hidden";
+        iframe.className = "hidden downloadSandbox";
         container.appendChild(iframe);
         let detach;
         await new Promise((resolve, reject) => {