From 9a7a3438444c23c782188b3c05d51b873f5f3908 Mon Sep 17 00:00:00 2001
From: Frode Petterson <frode.andre.petterson@gmail.com>
Date: Thu, 3 Jan 2019 12:50:44 +0100
Subject: [PATCH] HFP-2508 Remove caching of pasted content

Objects can not be referenced by multiple widgets when used in the editor
---
 js/h5p.js | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/js/h5p.js b/js/h5p.js
index bbca97f..4787d48 100644
--- a/js/h5p.js
+++ b/js/h5p.js
@@ -2207,23 +2207,13 @@ H5P.createTitle = function (rawTitle, maxLength) {
     H5P.setClipboard(clipboardItem);
   };
 
-  /**
-   * This is a cache for pasted data to prevent parsing multiple times.
-   * @type {Object}
-   */
-  var parsedClipboard = null;
-
   /**
    * Retrieve parsed clipboard data.
    *
    * @return {Object}
    */
   H5P.getClipboard = function () {
-    if (!parsedClipboard) {
-      parsedClipboard = parseClipboard();
-    }
-
-    return parsedClipboard;
+    return parseClipboard();
   };
 
   /**
@@ -2234,9 +2224,6 @@ H5P.createTitle = function (rawTitle, maxLength) {
   H5P.setClipboard = function (clipboardItem) {
     localStorage.setItem('h5pClipboard', JSON.stringify(clipboardItem));
 
-    // Clear cache
-    parsedClipboard = null;
-
     // Trigger an event so all 'Paste' buttons may be enabled.
     H5P.externalDispatcher.trigger('datainclipboard', {reset: false});
   };
@@ -2332,9 +2319,6 @@ H5P.createTitle = function (rawTitle, maxLength) {
     window.addEventListener('storage', function (event) {
       // Pick up clipboard changes from other tabs
       if (event.key === 'h5pClipboard') {
-        // Clear cache
-        parsedClipboard = null;
-
         // Trigger an event so all 'Paste' buttons may be enabled.
         H5P.externalDispatcher.trigger('datainclipboard', {reset: event.newValue === null});
       }