Add polyfill for browsers not supporting srcdoc

1 files changed, 10 insertions, 0 deletions

diff --git a/plugins/base/public/assets/script.js b/plugins/base/public/assets/script.js
index 84c353e..fd7a1d5 100644
--- a/plugins/base/public/assets/script.js
+++ b/plugins/base/public/assets/script.js
@@ -1,8 +1,18 @@
 var emailFrame = document.getElementById("email-frame");
 if (emailFrame) {
+	// Resize the frame with its content
 	var resizeFrame = function() {
 		emailFrame.style.height = emailFrame.contentWindow.document.documentElement.scrollHeight + "px";
 	};
 	emailFrame.addEventListener("load", resizeFrame);
 	emailFrame.contentWindow.addEventListener("resize", resizeFrame);
+
+	// Polyfill in case the srcdoc attribute isn't supported
+	if (!emailFrame.srcdoc) {
+		var srcdoc = emailFrame.getAttribute("srcdoc");
+		var doc = emailFrame.contentWindow.document;
+		doc.open();
+		doc.write(srcdoc);
+		doc.close();
+	}
 }