Mobile: Should prevent scroll behind fullscreen

src/js/simplemde.js

@@ -94,6 +94,9 @@ function getState(cm, pos) {
 }
 
 
+// Saved overflow setting
+var saved_overflow = "";
+
 /**
  * Toggle full screen of the editor.
  */
@@ -101,6 +104,15 @@ function toggleFullScreen(editor) {
 	// Set fullscreen
 	var cm = editor.codemirror;
 	cm.setOption("fullScreen", !cm.getOption("fullScreen"));
+	
+	
+	// Prevent scrolling on body during fullscreen active
+	if (cm.getOption("fullScreen")) {
+		saved_overflow = document.body.style.overflow;
+		document.body.style.overflow = "hidden";
+	} else {
+		document.body.style.overflow = saved_overflow;
+	}
 
 
 	// Update toolbar class