From 76fc3f9688ef49f95a3c21c3ff35a55cacc06f54 Mon Sep 17 00:00:00 2001
From: Jan Bartel <jan.bartel@atino.net>
Date: Fri, 12 Aug 2016 16:27:00 +0200
Subject: [PATCH] Added a bugfix to UIWebViews canPerformAction category, to
 prevent foreign webviews from crashing

---
 Source/FolioReaderPage.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Source/FolioReaderPage.swift b/Source/FolioReaderPage.swift
index e51f0655d..ca9b581e7 100755
--- a/Source/FolioReaderPage.swift
+++ b/Source/FolioReaderPage.swift
@@ -425,6 +425,10 @@ extension UIWebView {
     }
     
     public override func canPerformAction(action: Selector, withSender sender: AnyObject?) -> Bool {
+        
+        if(readerConfig == nil){
+            return super.canPerformAction(action, withSender: sender)
+        }
 
         // menu on existing highlight
         if isShare {