JI-2872 Fix h5p content font size in safari ios devices (#114 )

HFP-3465 Fix line breaks breaking metadata field validation (#109 )
* Fix linebreaks breaking metadata field validation * HFP-3465 Use "single line" flag for regexp
2022-01-05 09:24:39 +01:00 · 2021-12-21 23:45:32 +01:00 · 2021-11-10 12:47:39 +01:00 · 2021-07-01 10:40:04 +02:00 · 2021-06-17 13:07:56 +02:00 · 2021-06-02 09:36:31 +02:00
48 changed files with 4653 additions and 532 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -0,0 +1,40 @@
 language: php
 # At present the only jobs to run are a php lint.
 # Run this against all supported versions of PHP.
 jobs:
  include:
    # Bionic supports PHP 7.1, 7.2, 7.3, and 7.4.
    # https://docs.travis-ci.com/user/reference/bionic/#php-support
    - php: 7.4
      dist: bionic
    - php: 7.3
      dist: bionic
    - php: 7.2
      dist: bionic
    - php: 7.1
      dist: bionic
    # Xenial was the last Travis distribution to support PHP 5.6, and 7.0.
    # https://docs.travis-ci.com/user/reference/xenial/#php-support
    - php: 7.0
      dist: xenial
    - php: 5.6
      dist: xenial
    # Trusty was the last Travis distribution to support PHP 5.4, and 5.5.
    # https://docs.travis-ci.com/user/languages/php/#php-54x---55x-support-is-available-on-precise-and-trusty-only
    - php: 5.5
      dist: trusty
    - php: 5.4
      dist: trusty
    # Precise was the last Travis distribution to support PHP 5.2, and 5.3.
    # https://docs.travis-ci.com/user/languages/php/#php-52x---53x-support-is-available-on-precise-only
    - php: 5.3
      dist: precise
 script:
  # Run a php lint across all PHP files.
  - find . -type f -name '*\.php' -print0 | xargs -0 -n1 php -l
--- a/composer.json
+++ b/composer.json
@ -28,7 +28,8 @@
          "h5p-development.class.php",
          "h5p-file-storage.interface.php",
          "h5p-default-storage.class.php",
-          "h5p-event-base.class.php"
+          "h5p-event-base.class.php",
          "h5p-metadata.class.php"
        ]
    }
 }
--- a/embed.php
+++ b/embed.php
@ -9,6 +9,7 @@
  <?php for ($i = 0, $s = count($styles); $i < $s; $i++): ?>
    <link rel="stylesheet" href="<?php print $styles[$i]; ?>">
  <?php endfor; ?>
  <?php if (!empty($additional_embed_head_tags)): print implode("\n", $additional_embed_head_tags); endif; ?>
 </head>
 <body>
  <div class="h5p-content" data-content-id="<?php print $content['id']; ?>"></div>
--- a/fonts/h5p-core-18.eot
+++ b/fonts/h5p-core-18.eot
--- a/fonts/h5p-core-18.svg
+++ b/fonts/h5p-core-18.svg
@ -1,52 +0,0 @@
 <?xml version="1.0" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
 <svg xmlns="http://www.w3.org/2000/svg">
 <metadata>
 <json>
 <![CDATA[
 {
 	"fontFamily": "h5p",
 	"description": "Font generated by IcoMoon.",
 	"majorVersion": 1,
 	"minorVersion": 1,
 	"version": "Version 1.1",
 	"fontId": "h5p",
 	"psName": "h5p",
 	"subFamily": "Regular",
 	"fullName": "h5p"
 }
 ]]>
 </json>
 </metadata>
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--- a/fonts/h5p-hub-publish.ttf
+++ b/fonts/h5p-hub-publish.ttf
--- a/fonts/h5p-hub-publish.woff
+++ b/fonts/h5p-hub-publish.woff
--- a/h5p-default-storage.class.php
+++ b/h5p-default-storage.class.php
@ -311,13 +311,7 @@ class H5PDefaultStorage implements \H5PFileStorage {
    // Add filename to path
    $path .= '/' . $file->getName();
    $fileData = $file->getData();
    if ($fileData) {
      file_put_contents($path, $fileData);
    }
    else {
    copy($_FILES['file']['tmp_name'], $path);
    }
    return $file;
  }
@ -363,15 +357,14 @@ class H5PDefaultStorage implements \H5PFileStorage {
   * content from the current temporary upload folder to the editor path.
   *
   * @param string $source path to source directory
-   * @param string $contentId Id of content
+   * @param string $contentId Id of contentarray
   *
   * @return object Object containing h5p json and content json data
   */
  public function moveContentDirectory($source, $contentId = NULL) {
    if ($source === NULL) {
      return NULL;
    }
    // TODO: Remove $contentId and never copy temporary files into content folder. JI-366
    if ($contentId === NULL || $contentId == 0) {
      $target = $this->getEditorPath();
    }
@ -380,7 +373,7 @@ class H5PDefaultStorage implements \H5PFileStorage {
      $target = "{$this->path}/content/{$contentId}";
    }
-    $contentSource = $source . DIRECTORY_SEPARATOR . 'content';
+    $contentSource = $source . '/' . 'content';
    $contentFiles = array_diff(scandir($contentSource), array('.','..', 'content.json'));
    foreach ($contentFiles as $file) {
      if (is_dir("{$contentSource}/{$file}")) {
@ -391,14 +384,7 @@ class H5PDefaultStorage implements \H5PFileStorage {
      }
    }
-    // Successfully loaded content json of file into editor
+    // TODO: Return list of all files so that they can be marked as temporary. JI-366
    $h5pJson = $this->getContent($source . DIRECTORY_SEPARATOR . 'h5p.json');
    $contentJson = $this->getContent($contentSource . DIRECTORY_SEPARATOR . 'content.json');
    return (object) array(
      'h5pJson' => $h5pJson,
      'contentJson' => $contentJson
    );
  }
  /**
@ -451,6 +437,57 @@ class H5PDefaultStorage implements \H5PFileStorage {
    return self::dirReady($this->path);
  }
  /**
   * Check if the file presave.js exists in the root of the library
   *
   * @param string $libraryFolder
   * @param string $developmentPath
   * @return bool
   */
  public function hasPresave($libraryFolder, $developmentPath = null) {
      $path = is_null($developmentPath) ? 'libraries' . '/' . $libraryFolder : $developmentPath;
      $filePath = realpath($this->path . '/' . $path . '/' . 'presave.js');
    return file_exists($filePath);
  }
  /**
   * Check if upgrades script exist for library.
   *
   * @param string $machineName
   * @param int $majorVersion
   * @param int $minorVersion
   * @return string Relative path
   */
  public function getUpgradeScript($machineName, $majorVersion, $minorVersion) {
    $upgrades = "/libraries/{$machineName}-{$majorVersion}.{$minorVersion}/upgrades.js";
    if (file_exists($this->path . $upgrades)) {
      return $upgrades;
    }
    else {
      return NULL;
    }
  }
  /**
   * Store the given stream into the given file.
   *
   * @param string $path
   * @param string $file
   * @param resource $stream
   * @return bool
   */
  public function saveFileFromZip($path, $file, $stream) {
    $filePath = $path . '/' . $file;
    // Make sure the directory exists first
    $matches = array();
    preg_match('/(.+)\/[^\/]*$/', $filePath, $matches);
    self::dirReady($matches[1]);
    // Store in local storage folder
    return file_put_contents($filePath, $stream);
  }
  /**
   * Recursive function for copying directories.
   *
--- a/h5p-development.class.php
+++ b/h5p-development.class.php
@ -67,7 +67,7 @@ class H5PDevelopment {
    $contents = scandir($path);
    for ($i = 0, $s = count($contents); $i < $s; $i++) {
-      if ($contents[$i]{0} === '.') {
+      if ($contents[$i][0] === '.') {
        continue; // Skip hidden stuff.
      }
@ -84,10 +84,19 @@ class H5PDevelopment {
      // TODO: Validate props? Not really needed, is it? this is a dev site.
      // Save/update library.
      $library['libraryId'] = $this->h5pF->getLibraryId($library['machineName'], $library['majorVersion'], $library['minorVersion']);
      // Convert metadataSettings values to boolean & json_encode it before saving
      $library['metadataSettings'] = isset($library['metadataSettings']) ?
        H5PMetadata::boolifyAndEncodeSettings($library['metadataSettings']) :
        NULL;
      // Save/update library.
      $this->h5pF->saveLibraryData($library, $library['libraryId'] === FALSE);
      // Need to decode it again, since it is served from here.
      $library['metadataSettings'] = json_decode($library['metadataSettings']);
      $library['path'] = 'development/' . $contents[$i];
      $this->libraries[H5PDevelopment::libraryToString($library['machineName'], $library['majorVersion'], $library['minorVersion'])] = $library;
    }
--- a/h5p-file-storage.interface.php
+++ b/h5p-file-storage.interface.php
@ -190,4 +190,33 @@ interface H5PFileStorage {
   * @return bool True if server has the proper write access
   */
  public function hasWriteAccess();
  /**
   * Check if the library has a presave.js in the root folder
   *
   * @param string $libraryName
   * @param string $developmentPath
   * @return bool
   */
  public function hasPresave($libraryName, $developmentPath = null);
  /**
   * Check if upgrades script exist for library.
   *
   * @param string $machineName
   * @param int $majorVersion
   * @param int $minorVersion
   * @return string Relative path
   */
  public function getUpgradeScript($machineName, $majorVersion, $minorVersion);
  /**
   * Store the given stream into the given file.
   *
   * @param string $path
   * @param string $file
   * @param resource $stream
   * @return bool
   */
  public function saveFileFromZip($path, $file, $stream);
 }
--- a/h5p-metadata.class.php
+++ b/h5p-metadata.class.php
@ -0,0 +1,156 @@
 <?php
 /**
 * Utility class for handling metadata
 */
 abstract class H5PMetadata {
  private static $fields = array(
    'title' => array(
      'type' => 'text',
      'maxLength' => 255
    ),
    'a11yTitle' => array(
      'type' => 'text',
      'maxLength' => 255,
    ),
    'authors' => array(
      'type' => 'json'
    ),
    'changes' => array(
      'type' => 'json'
    ),
    'source' => array(
      'type' => 'text',
      'maxLength' => 255
    ),
    'license' => array(
      'type' => 'text',
      'maxLength' => 32
    ),
    'licenseVersion' => array(
      'type' => 'text',
      'maxLength' => 10
    ),
    'licenseExtras' => array(
      'type' => 'text',
      'maxLength' => 5000
    ),
    'authorComments' => array(
      'type' => 'text',
      'maxLength' => 5000
    ),
    'yearFrom' => array(
      'type' => 'int'
    ),
    'yearTo' => array(
      'type' => 'int'
    ),
    'defaultLanguage' => array(
      'type' => 'text',
      'maxLength' => 32,
    )
  );
  /**
   * JSON encode metadata
   *
   * @param object $content
   * @return string
   */
  public static function toJSON($content) {
    // Note: deliberatly creating JSON string "manually" to improve performance
    return
      '{"title":' . (isset($content->title) ? json_encode($content->title) : 'null') .
      ',"a11yTitle":' . (isset($content->a11y_title) ? $content->a11y_title : 'null') .
      ',"authors":' . (isset($content->authors) ? $content->authors : 'null') .
      ',"source":' . (isset($content->source) ? '"' . $content->source . '"' : 'null') .
      ',"license":' . (isset($content->license) ? '"' . $content->license . '"' : 'null') .
      ',"licenseVersion":' . (isset($content->license_version) ? '"' . $content->license_version . '"' : 'null') .
      ',"licenseExtras":' . (isset($content->license_extras) ? json_encode($content->license_extras) : 'null') .
      ',"yearFrom":' . (isset($content->year_from) ? $content->year_from : 'null') .
      ',"yearTo":' .  (isset($content->year_to) ? $content->year_to : 'null') .
      ',"changes":' . (isset($content->changes) ? $content->changes : 'null') .
      ',"defaultLanguage":' . (isset($content->default_language) ? '"' . $content->default_language . '"' : 'null') .
      ',"authorComments":' . (isset($content->author_comments) ? json_encode($content->author_comments) : 'null') . '}';
  }
  /**
   * Make the metadata into an associative array keyed by the property names
   * @param mixed $metadata Array or object containing metadata
   * @param bool $include_title
   * @param bool $include_missing For metadata fields not being set, skip 'em.
   *                             Relevant for content upgrade
   * @param array $types
   * @return array
   */
  public static function toDBArray($metadata, $include_title = true, $include_missing = true, &$types = array()) {
    $fields = array();
    if (!is_array($metadata)) {
      $metadata = (array) $metadata;
    }
    foreach (self::$fields as $key => $config) {
      // Ignore title?
      if ($key === 'title' && !$include_title) {
        continue;
      }
      $exists = array_key_exists($key, $metadata);
      // Don't include missing fields
      if (!$include_missing && !$exists) {
        continue;
      }
      $value = $exists ? $metadata[$key] : null;
      // lowerCamelCase to snake_case
      $db_field_name = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $key));
      switch ($config['type']) {
        case 'text':
          if ($value !== null && strlen($value) > $config['maxLength']) {
            $value = mb_substr($value, 0, $config['maxLength']);
          }
          $types[] = '%s';
          break;
        case 'int':
          $value = ($value !== null) ? intval($value) : null;
          $types[] = '%d';
          break;
        case 'json':
          $value = ($value !== null) ? json_encode($value) : null;
          $types[] = '%s';
          break;
      }
      $fields[$db_field_name] = $value;
    }
    return $fields;
  }
  /**
   * The metadataSettings field in libraryJson uses 1 for true and 0 for false.
   * Here we are converting these to booleans, and also doing JSON encoding.
   * This is invoked before the library data is beeing inserted/updated to DB.
   *
   * @param array $metadataSettings
   * @return string
   */
  public static function boolifyAndEncodeSettings($metadataSettings) {
    // Convert metadataSettings values to boolean
    if (isset($metadataSettings['disable'])) {
      $metadataSettings['disable'] = $metadataSettings['disable'] === 1;
    }
    if (isset($metadataSettings['disableExtraTitleField'])) {
      $metadataSettings['disableExtraTitleField'] = $metadataSettings['disableExtraTitleField'] === 1;
    }
    return json_encode($metadataSettings);
  }
 }
--- a/h5p.classes.php
+++ b/h5p.classes.php
--- a/images/h5p_logo.png
+++ b/images/h5p_logo.png
--- a/images/h5p_logo.svg
+++ b/images/h5p_logo.svg
@ -1,26 +0,0 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Generator: Adobe Illustrator 17.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 width="36px" height="36px" viewBox="0 0 36 36" enable-background="new 0 0 36 36" xml:space="preserve">
 <g>
 	<path fill="#FFFFFF" d="M0.126,13.306h3.07l0.365,3.476h3.354L6.55,13.306h3.083l1.044,9.934H7.594l-0.422-4.018H3.818L4.24,23.24
 		H1.17L0.126,13.306z"/>
 	<path fill="#FFFFFF" d="M27.738,13.306h5.103c1.111,0,1.916,0.264,2.414,0.793c0.498,0.529,0.696,1.281,0.593,2.257
 		c-0.105,1.003-0.489,1.787-1.152,2.351c-0.662,0.565-1.613,0.847-2.85,0.847h-1.681l-0.387,3.686h-3.083L27.738,13.306z
 		 M30.376,17.541h0.752c0.592,0,1.018-0.103,1.279-0.308c0.261-0.205,0.408-0.469,0.442-0.789c0.033-0.312-0.043-0.576-0.228-0.793
 		c-0.185-0.217-0.564-0.325-1.138-0.325h-0.874L30.376,17.541z"/>
 	<g>
 		<polygon fill="#E24E26" points="12.431,25.515 11.035,9.851 26.38,9.851 24.982,25.512 18.698,27.254 		"/>
 		<polygon fill="#F06529" points="18.707,25.923 23.785,24.515 24.98,11.132 18.707,11.132 		"/>
 		<polygon fill="#EAEAEA" points="18.707,16.941 16.165,16.941 15.99,14.974 18.707,14.974 18.707,13.053 18.701,13.053 
 			13.89,13.053 13.936,13.568 14.408,18.862 18.707,18.862 		"/>
 		<polygon fill="#EAEAEA" points="18.707,21.93 18.699,21.933 16.56,21.355 16.423,19.823 15.383,19.823 14.494,19.823 
 			14.763,22.839 18.699,23.932 18.707,23.929 		"/>
 		<polygon fill="#FFFFFF" points="18.701,16.941 18.701,18.862 21.066,18.862 20.843,21.354 18.701,21.932 18.701,23.931 
 			22.639,22.839 22.668,22.514 23.119,17.457 23.166,16.941 22.649,16.941 		"/>
 		<polygon fill="#FFFFFF" points="18.701,13.053 18.701,14.246 18.701,14.969 18.701,14.974 23.335,14.974 23.335,14.974 
 			23.341,14.974 23.38,14.542 23.467,13.568 23.513,13.053 		"/>
 	</g>
 </g>
 </svg>
--- a/images/throbber.gif
+++ b/images/throbber.gif
--- a/js/h5p-action-bar.js
+++ b/js/h5p-action-bar.js
@ -57,9 +57,9 @@ H5P.ActionBar = (function ($, EventDispatcher) {
    };
    // Register action bar buttons
-    if (displayOptions.export) {
+    if (displayOptions.export || displayOptions.copy) {
      // Add export button
-      addActionButton('download', 'export');
+      addActionButton('reuse', 'export');
    }
    if (displayOptions.copyright) {
      addActionButton('copyrights');
--- a/js/h5p-confirmation-dialog.js
+++ b/js/h5p-confirmation-dialog.js
@ -11,6 +11,10 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
   * @param [options.dialogText] Dialog text
   * @param [options.cancelText] Cancel dialog button text
   * @param [options.confirmText] Confirm dialog button text
   * @param [options.hideCancel] Hide cancel button
   * @param [options.hideExit] Hide exit button
   * @param [options.skipRestoreFocus] Skip restoring focus when hiding the dialog
   * @param [options.classes] Extra classes for popup
   * @constructor
   */
  function ConfirmationDialog(options) {
@ -73,6 +77,12 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
    // Create outer popup
    var popup = document.createElement('div');
    popup.classList.add('h5p-confirmation-dialog-popup', 'hidden');
    if (options.classes) {
      options.classes.forEach(function (popupClass) {
        popup.classList.add(popupClass);
      });
    }
    popup.setAttribute('role', 'dialog');
    popup.setAttribute('aria-labelledby', 'h5p-confirmation-dialog-dialog-text-' + uniqueId);
    popupBackground.appendChild(popup);
@ -139,7 +149,14 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
        flowTo(confirmButton, e);
      }
    });
    if (!options.hideCancel) {
      buttons.appendChild(cancelButton);
    }
    else {
      // Center buttons
      buttons.classList.add('center');
    }
    // Confirm handler
    confirmButton.addEventListener('click', dialogConfirmed);
@ -148,7 +165,8 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
        dialogConfirmed(e);
      }
      else if (e.which === 9 && !e.shiftKey) { // Tab
-        flowTo(cancelButton, e);
+        const nextButton = !options.hideCancel ? cancelButton : confirmButton;
        flowTo(nextButton, e);
      }
    });
    buttons.appendChild(confirmButton);
@ -160,7 +178,9 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
        dialogCanceled(e);
      }
    });
    if (!options.hideExit) {
      popup.appendChild(exitButton);
    }
    // Wrapper element
    var wrapperElement;
@ -272,10 +292,14 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
     */
    var fitToContainer = function (offsetTop) {
      var popupOffsetTop = parseInt(popup.style.top, 10);
-      if (offsetTop) {
+      if (offsetTop !== undefined) {
        popupOffsetTop = offsetTop;
      }
      if (!popupOffsetTop) {
        popupOffsetTop = 0;
      }
      // Overflows height
      if (popupOffsetTop + popup.offsetHeight > wrapperElement.offsetHeight) {
        popupOffsetTop = wrapperElement.offsetHeight - popup.offsetHeight - shadowOffset;
@ -335,7 +359,9 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
      // Restore focus
      stopCapturingFocus();
      if (!options.skipRestoreFocus) {
        previouslyFocused.focus();
      }
      restoreUnderlay();
      setTimeout(function () {
        popupBackground.classList.add('hidden');
@ -346,12 +372,29 @@ H5P.ConfirmationDialog = (function (EventDispatcher) {
      return this;
    };
    /**
     * Retrieve element
     *
     * @return {HTMLElement}
     */
    this.getElement = function () {
      return popup;
    };
    /**
     * Get previously focused element
     * @return {HTMLElement}
     */
    this.getPreviouslyFocused = function () {
      return previouslyFocused;
    };
    /**
     * Sets the minimum height of the view port
     *
     * @param {number|null} minHeight
     */
-    this.setViewPortMinimumHeight = function(minHeight) {
+    this.setViewPortMinimumHeight = function (minHeight) {
      var container = document.querySelector('.h5p-container') || document.body;
      container.style.minHeight = (typeof minHeight === 'number') ? (minHeight + 'px') : minHeight;
    };
--- a/js/h5p-content-type.js
+++ b/js/h5p-content-type.js
@ -11,7 +11,7 @@
 * @class
 * @augments H5P.EventDispatcher
 */
-H5P.ContentType = function (isRootLibrary, library) {
+H5P.ContentType = function (isRootLibrary) {
  function ContentType() {}
--- a/js/h5p-content-upgrade-process.js
+++ b/js/h5p-content-upgrade-process.js
@ -25,19 +25,28 @@ H5P.ContentUpgradeProcess = (function (Version) {
    }
    self.loadLibrary = loadLibrary;
-    self.upgrade(name, oldVersion, newVersion, params, function (err, result) {
+    self.upgrade(name, oldVersion, newVersion, params.params, params.metadata, function (err, upgradedParams, upgradedMetadata) {
      if (err) {
        err.id = id;
        return done(err);
      }
-      done(null, JSON.stringify(params));
+      done(null, JSON.stringify({params: upgradedParams, metadata: upgradedMetadata}));
    });
  }
  /**
   * Run content upgrade.
   *
   * @public
   * @param {string} name
   * @param {Version} oldVersion
   * @param {Version} newVersion
   * @param {Object} params
   * @param {Object} metadata
   * @param {Function} done
   */
-  ContentUpgradeProcess.prototype.upgrade = function (name, oldVersion, newVersion, params, done) {
+  ContentUpgradeProcess.prototype.upgrade = function (name, oldVersion, newVersion, params, metadata, done) {
    var self = this;
    // Load library details and upgrade routines
@ -45,9 +54,15 @@ H5P.ContentUpgradeProcess = (function (Version) {
      if (err) {
        return done(err);
      }
      if (library.semantics === null) {
        return done({
          type: 'libraryMissing',
          library: library.name + ' ' + library.version.major + '.' + library.version.minor
        });
      }
      // Run upgrade routines on params
-      self.processParams(library, oldVersion, newVersion, params, function (err, params) {
+      self.processParams(library, oldVersion, newVersion, params, metadata, function (err, params, metadata) {
        if (err) {
          return done(err);
        }
@ -61,7 +76,7 @@ H5P.ContentUpgradeProcess = (function (Version) {
            next(err);
          });
        }, function (err) {
-          done(err, params);
+          done(err, params, metadata);
        });
      });
    });
@ -77,7 +92,7 @@ H5P.ContentUpgradeProcess = (function (Version) {
   * @param {Object} params
   * @param {Function} next
   */
-  ContentUpgradeProcess.prototype.processParams = function (library, oldVersion, newVersion, params, next) {
+  ContentUpgradeProcess.prototype.processParams = function (library, oldVersion, newVersion, params, metadata, next) {
    if (H5PUpgrades[library.name] === undefined) {
      if (library.upgradesScript) {
        // Upgrades script should be loaded so the upgrades should be here.
@ -88,7 +103,7 @@ H5P.ContentUpgradeProcess = (function (Version) {
      }
      // No upgrades script. Move on
-      return next(null, params);
+      return next(null, params, metadata);
    }
    // Run upgrade hooks. Start by going through major versions
@ -110,16 +125,19 @@ H5P.ContentUpgradeProcess = (function (Version) {
            var unnecessaryWrapper = (upgrade.contentUpgrade !== undefined ? upgrade.contentUpgrade : upgrade);
            try {
-              unnecessaryWrapper(params, function (err, upgradedParams) {
+              unnecessaryWrapper(params, function (err, upgradedParams, upgradedExtras) {
                params = upgradedParams;
                if (upgradedExtras && upgradedExtras.metadata) { // Optional
                  metadata = upgradedExtras.metadata;
                }
                nextMinor(err);
-              });
+              }, {metadata: metadata});
            }
            catch (err) {
-              if (console && console.log) {
+              if (console && console.error) {
-                console.log("Error", err.stack);
+                console.error("Error", err.stack);
-                console.log("Error", err.name);
+                console.error("Error", err.name);
-                console.log("Error", err.message);
+                console.error("Error", err.message);
              }
              next(err);
            }
@ -127,7 +145,7 @@ H5P.ContentUpgradeProcess = (function (Version) {
        }, nextMajor);
      }
    }, function (err) {
-      next(err, params);
+      next(err, params, metadata);
    });
  };
@ -155,7 +173,7 @@ H5P.ContentUpgradeProcess = (function (Version) {
        // Look for available upgrades
        var usedLib = params.library.split(' ', 2);
        for (var i = 0; i < field.options.length; i++) {
-          var availableLib = field.options[i].split(' ', 2);
+          var availableLib = (typeof field.options[i] === 'string') ? field.options[i].split(' ', 2) : field.options[i].name.split(' ', 2);
          if (availableLib[0] === usedLib[0]) {
            if (availableLib[1] === usedLib[1]) {
              return done(); // Same version
@ -165,20 +183,32 @@ H5P.ContentUpgradeProcess = (function (Version) {
            var usedVer = new Version(usedLib[1]);
            var availableVer = new Version(availableLib[1]);
            if (usedVer.major > availableVer.major || (usedVer.major === availableVer.major && usedVer.minor >= availableVer.minor)) {
-              return done(); // Larger or same version that's available
+              return done({
                type: 'errorTooHighVersion',
                used: usedLib[0] + ' ' + usedVer,
                supported: availableLib[0] + ' ' + availableVer
              }); // Larger or same version that's available
            }
            // A newer version is available, upgrade params
-            return self.upgrade(availableLib[0], usedVer, availableVer, params.params, function (err, upgraded) {
+            return self.upgrade(availableLib[0], usedVer, availableVer, params.params, params.metadata, function (err, upgradedParams, upgradedMetadata) {
              if (!err) {
                params.library = availableLib[0] + ' ' + availableVer.major + '.' + availableVer.minor;
-                params.params = upgraded;
+                params.params = upgradedParams;
                if (upgradedMetadata) {
                  params.metadata = upgradedMetadata;
                }
              }
              done(err, params);
            });
          }
        }
-        done();
+
        // Content type was not supporte by the higher version
        done({
          type: 'errorNotSupported',
          used: usedLib[0] + ' ' + usedVer
        });
        break;
      case 'group':
--- a/js/h5p-content-upgrade-worker.js
+++ b/js/h5p-content-upgrade-worker.js
@ -1,3 +1,4 @@
 /* global importScripts */
 var H5P = H5P || {};
 importScripts('h5p-version.js', 'h5p-content-upgrade-process.js');
--- a/js/h5p-content-upgrade.js
+++ b/js/h5p-content-upgrade.js
@ -1,7 +1,7 @@
-/*jshint -W083 */
+/* global H5PAdminIntegration H5PUtils */
 (function ($, Version) {
-  var info, $container, librariesCache = {}, scriptsCache = {};
+  var info, $log, $container, librariesCache = {}, scriptsCache = {};
  // Initialize
  $(document).ready(function () {
@ -9,7 +9,9 @@
    info = H5PAdminIntegration.libraryInfo;
    // Get and reset container
-    $container = $('#h5p-admin-container').html('<p>' + info.message + '</p>');
+    const $wrapper = $('#h5p-admin-container').html('');
    $log = $('<ul class="content-upgrade-log"></ul>').appendTo($wrapper);
    $container = $('<div><p>' + info.message + '</p></div>').appendTo($wrapper);
    // Make it possible to select version
    var $version = $(getVersionSelect(info.versions)).appendTo($container);
@ -120,9 +122,7 @@
      },
      error: function (error) {
        self.printError(error.err);
-
+        self.workDone(error.id, null, this);
        // Stop everything
        self.terminate();
      },
      loadLibrary: function (details) {
        var worker = this;
@ -184,7 +184,7 @@
      self.token = inData.token;
      // Start processing
-      self.processBatch(inData.params);
+      self.processBatch(inData.params, inData.skipped);
    });
  };
@ -202,11 +202,12 @@
   *
   * @param {Object} parameters
   */
-  ContentUpgrade.prototype.processBatch = function (parameters) {
+  ContentUpgrade.prototype.processBatch = function (parameters, skipped) {
    var self = this;
    // Track upgraded params
    self.upgraded = {};
    self.skipped = skipped;
    // Track current batch
    self.parameters = parameters;
@ -276,7 +277,7 @@
      }, function done(err, result) {
        if (err) {
          self.printError(err);
-          return ;
+          result = null;
        }
        self.workDone(id, result);
@ -291,7 +292,12 @@
    var self = this;
    self.working--;
    if (result === null) {
      self.skipped.push(id);
    }
    else {
      self.upgraded[id] = result;
    }
    // Update progress message
    self.throbber.setProgress(Math.round((info.total - self.left + self.current) / (info.total / 100)) + ' %');
@ -302,6 +308,7 @@
      self.nextBatch({
        libraryId: self.version.libraryId,
        token: self.token,
        skipped: JSON.stringify(self.skipped),
        params: JSON.stringify(self.upgraded)
      });
    }
@ -410,14 +417,29 @@
  ContentUpgrade.prototype.printError = function (error) {
    var self = this;
-    if (error.type === 'errorParamsBroken') {
+    switch (error.type) {
      case 'errorParamsBroken':
        error = info.errorContent.replace('%id', error.id) + ' ' + info.errorParamsBroken;
-    }
+        break;
-    else if (error.type === 'scriptMissing') {
+
      case 'libraryMissing':
        error = info.errorLibrary.replace('%lib', error.library);
        break;
      case 'scriptMissing':
        error = info.errorScript.replace('%lib', error.library);
        break;
      case 'errorTooHighVersion':
        error = info.errorContent.replace('%id', error.id) + ' ' + info.errorTooHighVersion.replace('%used', error.used).replace('%supported', error.supported);
        break;
      case 'errorNotSupported':
        error = info.errorContent.replace('%id', error.id) + ' ' + info.errorNotSupported.replace('%used', error.used);
        break;
    }
-    self.setStatus('<p>' + info.error + '<br/>' + error + '</p>');
+    $('<li>' + info.error + '<br/>' + error + '</li>').appendTo($log);
  };
 })(H5P.jQuery, H5P.Version);
--- a/js/h5p-data-view.js
+++ b/js/h5p-data-view.js
@ -1,3 +1,4 @@
 /* global H5PUtils */
 var H5PDataView = (function ($) {
  /**
@ -52,8 +53,18 @@ var H5PDataView = (function ($) {
    self.filterOn = [];
    self.facets = {};
    // Index of column with author name; could be made more general by passing database column names and checking for position
    self.columnIdAuthor = 2;
    // Future option: Create more general solution for filter presets
    if (H5PIntegration.user && parseInt(H5PIntegration.user.canToggleViewOthersH5PContents) === 1) {
      self.updateTable([]);
      self.filterByFacet(self.columnIdAuthor, H5PIntegration.user.id, H5PIntegration.user.name || '');
    }
    else {
      self.loadData();
    }
  }
  /**
   * Load data from source URL.
@ -150,6 +161,12 @@ var H5PDataView = (function ($) {
      // Add filters
      self.addFilters();
      // Add toggler for others' content
      if (H5PIntegration.user && parseInt(H5PIntegration.user.canToggleViewOthersH5PContents) > 0) {
        // canToggleViewOthersH5PContents = 1 is setting for only showing current user's contents
        self.addOthersContentToggler(parseInt(H5PIntegration.user.canToggleViewOthersH5PContents) === 1);
      }
      // Add facets
      self.$facets = $('<div/>', {
        'class': 'h5p-facet-wrapper',
@ -198,7 +215,6 @@ var H5PDataView = (function ($) {
   * @param number col ID of column
   */
  H5PDataView.prototype.createFacets = function (input, col) {
    var self = this;
    var facets = '';
    if (input instanceof Array) {
@ -246,13 +262,17 @@ var H5PDataView = (function ($) {
        appendTo: self.$facets,
      })
    };
    /**
     * Callback for removing filter.
     *
     * @private
     */
    var remove = function () {
      // Uncheck toggler for others' H5P contents
      if ( self.$othersContentToggler && self.facets.hasOwnProperty( self.columnIdAuthor ) ) {
        self.$othersContentToggler.prop('checked', false );
      }
      self.facets[col].$tag.remove();
      delete self.facets[col];
      self.loadData();
@ -374,5 +394,49 @@ var H5PDataView = (function ($) {
    }).appendTo(self.$container);
  };
  /**
   * Add toggle for others' H5P content.
   * @param {boolean} [checked=false] Initial check setting.
   */
  H5PDataView.prototype.addOthersContentToggler = function (checked) {
    var self = this;
    checked = (typeof checked === 'undefined') ? false : checked;
    // Checkbox
    this.$othersContentToggler = $('<input/>', {
      type: 'checkbox',
      'class': 'h5p-others-contents-toggler',
      'id': 'h5p-others-contents-toggler',
      'checked': checked,
      'click': function () {
        if ( this.checked ) {
          // Add filter on current user
          self.filterByFacet( self.columnIdAuthor, H5PIntegration.user.id, H5PIntegration.user.name );
        }
        else {
          // Remove facet indicator and reload full data view
          if ( self.facets.hasOwnProperty( self.columnIdAuthor ) && self.facets[self.columnIdAuthor].$tag ) {
            self.facets[self.columnIdAuthor].$tag.remove();
          }
          delete self.facets[self.columnIdAuthor];
          self.loadData();
        }
      }
    });
    // Label
    var $label = $('<label>', {
      'class': 'h5p-others-contents-toggler-label',
      'text': this.l10n.showOwnContentOnly,
      'for': 'h5p-others-contents-toggler'
    }).prepend(this.$othersContentToggler);
    $('<div>', {
      'class': 'h5p-others-contents-toggler-wrapper'
    }).append($label)
      .appendTo(this.$container);
  };
  return H5PDataView;
 })(H5P.jQuery);
--- a/js/h5p-event-dispatcher.js
+++ b/js/h5p-event-dispatcher.js
@ -1,4 +1,4 @@
-var H5P = H5P || {};
+var H5P = window.H5P = window.H5P || {};
 /**
 * The Event class for the EventDispatcher.
@ -10,7 +10,7 @@ var H5P = H5P || {};
 * @param {boolean} [extras.bubbles]
 * @param {boolean} [extras.external]
 */
-H5P.Event = function(type, data, extras) {
+H5P.Event = function (type, data, extras) {
  this.type = type;
  this.data = data;
  var bubbles = false;
@ -34,7 +34,7 @@ H5P.Event = function(type, data, extras) {
  /**
   * Prevent this event from bubbling up to parent
   */
-  this.preventBubbling = function() {
+  this.preventBubbling = function () {
    bubbles = false;
  };
@ -44,7 +44,7 @@ H5P.Event = function(type, data, extras) {
   * @returns {boolean}
   *   true if bubbling false otherwise
   */
-  this.getBubbles = function() {
+  this.getBubbles = function () {
    return bubbles;
  };
@ -54,7 +54,7 @@ H5P.Event = function(type, data, extras) {
   * @returns {boolean}
   *   true if external and not already scheduled, otherwise false
   */
-  this.scheduleForExternal = function() {
+  this.scheduleForExternal = function () {
    if (external && !scheduledForExternal) {
      scheduledForExternal = true;
      return true;
--- a/js/h5p-hub-registration.js
+++ b/js/h5p-hub-registration.js
--- a/js/h5p-hub-sharing.js
+++ b/js/h5p-hub-sharing.js
--- a/js/h5p-library-details.js
+++ b/js/h5p-library-details.js
@ -1,4 +1,5 @@
-var H5PLibraryDetails= H5PLibraryDetails || {};
+/* global H5PAdminIntegration H5PUtils */
 var H5PLibraryDetails = H5PLibraryDetails || {};
 (function ($) {
@ -68,7 +69,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
   */
  H5PLibraryDetails.createContentTable = function () {
    // Remove it if it exists:
-    if(H5PLibraryDetails.$contentTable) {
+    if (H5PLibraryDetails.$contentTable) {
      H5PLibraryDetails.$contentTable.remove();
    }
@ -77,10 +78,10 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
    var i = (H5PLibraryDetails.currentPage*H5PLibraryDetails.PAGER_SIZE);
    var lastIndex = (i+H5PLibraryDetails.PAGER_SIZE);
-    if(lastIndex > H5PLibraryDetails.currentContent.length) {
+    if (lastIndex > H5PLibraryDetails.currentContent.length) {
      lastIndex = H5PLibraryDetails.currentContent.length;
    }
-    for(; i<lastIndex; i++) {
+    for (; i<lastIndex; i++) {
      var content = H5PLibraryDetails.currentContent[i];
      H5PLibraryDetails.$contentTable.append(H5PUtils.createTableRow(['<a href="' + content.url + '">' + content.title + '</a>']));
    }
@ -97,7 +98,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
    H5PLibraryDetails.$next = $('<button type="button" class="next h5p-admin">></button>');
    H5PLibraryDetails.$previous.on('click', function () {
-      if(H5PLibraryDetails.$previous.hasClass('disabled')) {
+      if (H5PLibraryDetails.$previous.hasClass('disabled')) {
        return;
      }
@ -107,7 +108,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
    });
    H5PLibraryDetails.$next.on('click', function () {
-      if(H5PLibraryDetails.$next.hasClass('disabled')) {
+      if (H5PLibraryDetails.$next.hasClass('disabled')) {
        return;
      }
@ -127,7 +128,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
      H5PLibraryDetails.$pagerInfo.hide();
      // User has updated the pageNumber
-      var pageNumerUpdated = function() {
+      var pageNumerUpdated = function () {
        var newPageNum = $gotoInput.val()-1;
        var intRegex = /^\d+$/;
@ -135,7 +136,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
        H5PLibraryDetails.$pagerInfo.css({display: 'inline-block'});
        // Check if input value is valid, and that it has actually changed
-        if(!(intRegex.test(newPageNum) && newPageNum >= 0 && newPageNum < H5PLibraryDetails.getNumPages() && newPageNum != H5PLibraryDetails.currentPage)) {
+        if (!(intRegex.test(newPageNum) && newPageNum >= 0 && newPageNum < H5PLibraryDetails.getNumPages() && newPageNum != H5PLibraryDetails.currentPage)) {
          return;
        }
@ -185,7 +186,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
  H5PLibraryDetails.updatePager = function () {
    H5PLibraryDetails.$pagerInfo.css({display: 'inline-block'});
-    if(H5PLibraryDetails.getNumPages() > 0) {
+    if (H5PLibraryDetails.getNumPages() > 0) {
      var message = H5PUtils.translateReplace(H5PLibraryDetails.library.translations.pageXOfY, {
        '$x': (H5PLibraryDetails.currentPage+1),
        '$y': H5PLibraryDetails.getNumPages()
@ -211,7 +212,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
      var searchString = $('.h5p-content-search > input').val();
      // If search string same as previous, just do nothing
-      if(H5PLibraryDetails.currentFilter === searchString) {
+      if (H5PLibraryDetails.currentFilter === searchString) {
        return;
      }
@ -219,7 +220,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
        // If empty search, use the complete list
        H5PLibraryDetails.currentContent = H5PLibraryDetails.library.content;
      }
-      else if(H5PLibraryDetails.filterCache[searchString]) {
+      else if (H5PLibraryDetails.filterCache[searchString]) {
        // If search is cached, no need to filter
        H5PLibraryDetails.currentContent = H5PLibraryDetails.filterCache[searchString];
      }
@ -227,10 +228,10 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
        var listToFilter = H5PLibraryDetails.library.content;
        // Check if we can filter the already filtered results (for performance)
-        if(searchString.length > 1 && H5PLibraryDetails.currentFilter === searchString.substr(0, H5PLibraryDetails.currentFilter.length)) {
+        if (searchString.length > 1 && H5PLibraryDetails.currentFilter === searchString.substr(0, H5PLibraryDetails.currentFilter.length)) {
          listToFilter = H5PLibraryDetails.currentContent;
        }
-        H5PLibraryDetails.currentContent = $.grep(listToFilter, function(content) {
+        H5PLibraryDetails.currentContent = $.grep(listToFilter, function (content) {
          return content.title && content.title.match(new RegExp(searchString, 'i'));
        });
      }
@ -256,7 +257,7 @@ var H5PLibraryDetails= H5PLibraryDetails || {};
    $('input', H5PLibraryDetails.$search).on('change keypress paste input', function () {
      // Here we start the filtering
      // We wait at least 500 ms after last input to perform search
-      if(inputTimer) {
+      if (inputTimer) {
        clearTimeout(inputTimer);
      }
--- a/js/h5p-library-list.js
+++ b/js/h5p-library-list.js
@ -1,4 +1,4 @@
-/*jshint multistr: true */
+/* global H5PAdminIntegration H5PUtils */
 var H5PLibraryList = H5PLibraryList || {};
 (function ($) {
@ -25,7 +25,7 @@ var H5PLibraryList = H5PLibraryList || {};
   */
  H5PLibraryList.createLibraryList = function (libraries) {
    var t = H5PAdminIntegration.l10n;
-    if(libraries.listData === undefined || libraries.listData.length === 0) {
+    if (libraries.listData === undefined || libraries.listData.length === 0) {
      return $('<div>' + t.NA + '</div>');
    }
--- a/js/h5p-resizer.js
+++ b/js/h5p-resizer.js
@ -20,8 +20,12 @@
    // Make iframe responsive
    iframe.style.width = '100%';
    // Bugfix for Chrome: Force update of iframe width. If this is not done the
    // document size may not be updated before the content resizes.
    iframe.getBoundingClientRect();
    // Tell iframe that it needs to resize when our window resizes
-    var resize = function (event) {
+    var resize = function () {
      if (iframe.contentWindow) {
        // Limit resize calls to avoid flickering
        respond('resize');
@ -64,7 +68,7 @@
   * @param {Object} data Payload
   * @param {Function} respond Send a response to the iframe
   */
-  actionHandlers.resize = function (iframe, data, respond) {
+  actionHandlers.resize = function (iframe, data) {
    // Resize iframe so all content is visible. Use scrollHeight to make sure we get everything
    iframe.style.height = data.scrollHeight + 'px';
  };
--- a/js/h5p-utils.js
+++ b/js/h5p-utils.js
@ -1,3 +1,4 @@
 /* global H5PAdminIntegration*/
 var H5PUtils = H5PUtils || {};
 (function ($) {
@ -9,7 +10,7 @@ var H5PUtils = H5PUtils || {};
  H5PUtils.createTable = function (headers) {
    var $table = $('<table class="h5p-admin-table' + (H5PAdminIntegration.extraTableClasses !== undefined ? ' ' + H5PAdminIntegration.extraTableClasses : '') + '"></table>');
-    if(headers) {
+    if (headers) {
      var $thead = $('<thead></thead>');
      var $tr = $('<tr></tr>');
--- a/js/h5p-version.js
+++ b/js/h5p-version.js
@ -7,11 +7,24 @@ H5P.Version = (function () {
   * @param {String} version
   */
  function Version(version) {
    var versionSplit = version.split('.', 3);
-    // Public
+    if (typeof version === 'string') {
      // Name version string (used by content upgrade)
      var versionSplit = version.split('.', 3);
      this.major =+ versionSplit[0];
      this.minor =+ versionSplit[1];
    }
    else {
      // Library objects (used by editor)
      if (version.localMajorVersion !== undefined) {
        this.major =+ version.localMajorVersion;
        this.minor =+ version.localMinorVersion;
      }
      else {
        this.major =+ version.majorVersion;
        this.minor =+ version.minorVersion;
      }
    }
    /**
     * Public. Custom string for this object.
--- a/js/h5p-x-api-event.js
+++ b/js/h5p-x-api-event.js
@ -1,4 +1,4 @@
-var H5P = H5P || {};
+var H5P = window.H5P = window.H5P || {};
 /**
 * Used for xAPI events.
@ -133,13 +133,26 @@ H5P.XAPIEvent.prototype.setObject = function (instance) {
      }
    }
    else {
-      if (H5PIntegration && H5PIntegration.contents && H5PIntegration.contents['cid-' + instance.contentId].title) {
+      var content = H5P.getContentForInstance(instance.contentId);
      if (content && content.metadata && content.metadata.title) {
        this.data.statement.object.definition.name = {
-          "en-US": H5P.createTitle(H5PIntegration.contents['cid-' + instance.contentId].title)
+          "en-US": H5P.createTitle(content.metadata.title)
        };
      }
    }
  }
  else {
    // Content types view always expect to have a contentId when they are displayed.
    // This is not the case if they are displayed in the editor as part of a preview.
    // The fix is to set an empty object with definition for the xAPI event, so all
    // the content types that rely on this does not have to handle it. This means
    // that content types that are being previewed will send xAPI completed events,
    // but since there are no scripts that catch these events in the editor,
    // this is not a problem.
    this.data.statement.object = {
      definition: {}
    };
  }
 };
 /**
@ -150,7 +163,6 @@ H5P.XAPIEvent.prototype.setObject = function (instance) {
 */
 H5P.XAPIEvent.prototype.setContext = function (instance) {
  if (instance.parent && (instance.parent.contentId || instance.parent.subContentId)) {
    var parentId = instance.parent.subContentId === undefined ? instance.parent.contentId : instance.parent.subContentId;
    this.data.statement.context = {
      "contextActivities": {
        "parent": [
@ -217,7 +229,7 @@ H5P.XAPIEvent.prototype.setActor = function () {
 * @returns {number}
 *   The max score, or null if not defined
 */
-H5P.XAPIEvent.prototype.getMaxScore = function() {
+H5P.XAPIEvent.prototype.getMaxScore = function () {
  return this.getVerifiedStatementValue(['result', 'score', 'max']);
 };
@ -227,7 +239,7 @@ H5P.XAPIEvent.prototype.getMaxScore = function() {
 * @returns {number}
 *   The score, or null if not defined
 */
-H5P.XAPIEvent.prototype.getScore = function() {
+H5P.XAPIEvent.prototype.getScore = function () {
  return this.getVerifiedStatementValue(['result', 'score', 'raw']);
 };
@ -239,7 +251,7 @@ H5P.XAPIEvent.prototype.getScore = function() {
 */
 H5P.XAPIEvent.prototype.getContentXAPIId = function (instance) {
  var xAPIId;
-  if (instance.contentId && H5PIntegration && H5PIntegration.contents) {
+  if (instance.contentId && H5PIntegration && H5PIntegration.contents && H5PIntegration.contents['cid-' + instance.contentId]) {
    xAPIId =  H5PIntegration.contents['cid-' + instance.contentId].url;
    if (instance.subContentId) {
      xAPIId += '?subContentId=' +  instance.subContentId;
@ -256,7 +268,7 @@ H5P.XAPIEvent.prototype.getContentXAPIId = function (instance) {
 H5P.XAPIEvent.prototype.isFromChild = function () {
  var parentId = this.getVerifiedStatementValue(['context', 'contextActivities', 'parent', 0, 'id']);
  return !parentId || parentId.indexOf('subContentId') === -1;
-}
+};
 /**
 * Figure out if a property exists in the statement and return it
@ -267,7 +279,7 @@ H5P.XAPIEvent.prototype.isFromChild = function () {
 * @returns {*}
 *   The value of the property if it is set, null otherwise.
 */
-H5P.XAPIEvent.prototype.getVerifiedStatementValue = function(keys) {
+H5P.XAPIEvent.prototype.getVerifiedStatementValue = function (keys) {
  var val = this.data.statement;
  for (var i = 0; i < keys.length; i++) {
    if (val[keys[i]] === undefined) {
@ -312,6 +324,8 @@ H5P.XAPIEvent.allowedXAPIVerbs = [
  // Custom verbs used for action toolbar below content
  'downloaded',
  'copied',
  'accessed-reuse',
  'accessed-embed',
  'accessed-copyright'
 ];
--- a/js/h5p-x-api.js
+++ b/js/h5p-x-api.js
@ -1,4 +1,4 @@
-var H5P = H5P || {};
+var H5P = window.H5P = window.H5P || {};
 /**
 * The external event dispatcher. Others, outside of H5P may register and
@ -92,7 +92,7 @@ H5P.EventDispatcher.prototype.triggerXAPIScored = function (score, maxScore, ver
  this.trigger(event);
 };
-H5P.EventDispatcher.prototype.setActivityStarted = function() {
+H5P.EventDispatcher.prototype.setActivityStarted = function () {
  if (this.activityStartTime === undefined) {
    // Don't trigger xAPI events in the editor
    if (this.contentId !== undefined &&
--- a/js/h5p.js
+++ b/js/h5p.js
--- a/js/jquery.js
+++ b/js/jquery.js
--- a/js/request-queue.js
+++ b/js/request-queue.js
@ -0,0 +1,436 @@
 /**
 * Queue requests and handle them at your convenience
 *
 * @type {RequestQueue}
 */
 H5P.RequestQueue = (function ($, EventDispatcher) {
  /**
   * A queue for requests, will be automatically processed when regaining connection
   *
   * @param {boolean} [options.showToast] Show toast when losing or regaining connection
   * @constructor
   */
  const RequestQueue = function (options) {
    EventDispatcher.call(this);
    this.processingQueue = false;
    options = options || {};
    this.showToast = options.showToast;
    this.itemName = 'requestQueue';
  };
  /**
   * Add request to queue. Only supports posts currently.
   *
   * @param {string} url
   * @param {Object} data
   * @returns {boolean}
   */
  RequestQueue.prototype.add = function (url, data) {
    if (!window.localStorage) {
      return false;
    }
    let storedStatements = this.getStoredRequests();
    if (!storedStatements) {
      storedStatements = [];
    }
    storedStatements.push({
      url: url,
      data: data,
    });
    window.localStorage.setItem(this.itemName, JSON.stringify(storedStatements));
    this.trigger('requestQueued', {
      storedStatements: storedStatements,
      processingQueue: this.processingQueue,
    });
    return true;
  };
  /**
   * Get stored requests
   *
   * @returns {boolean|Array} Stored requests
   */
  RequestQueue.prototype.getStoredRequests = function () {
    if (!window.localStorage) {
      return false;
    }
    const item = window.localStorage.getItem(this.itemName);
    if (!item) {
      return [];
    }
    return JSON.parse(item);
  };
  /**
   * Clear stored requests
   *
   * @returns {boolean} True if the storage was successfully cleared
   */
  RequestQueue.prototype.clearQueue = function () {
    if (!window.localStorage) {
      return false;
    }
    window.localStorage.removeItem(this.itemName);
    return true;
  };
  /**
   * Start processing of requests queue
   *
   * @return {boolean} Returns false if it was not possible to resume processing queue
   */
  RequestQueue.prototype.resumeQueue = function () {
    // Not supported
    if (!H5PIntegration || !window.navigator || !window.localStorage) {
      return false;
    }
    // Already processing
    if (this.processingQueue) {
      return false;
    }
    // Attempt to send queued requests
    const queue = this.getStoredRequests();
    const queueLength = queue.length;
    // Clear storage, failed requests will be re-added
    this.clearQueue();
    // No items left in queue
    if (!queueLength) {
      this.trigger('emptiedQueue', queue);
      return true;
    }
    // Make sure requests are not changed while they're being handled
    this.processingQueue = true;
    // Process queue in original order
    this.processQueue(queue);
    return true
  };
  /**
   * Process first item in the request queue
   *
   * @param {Array} queue Request queue
   */
  RequestQueue.prototype.processQueue = function (queue) {
    if (!queue.length) {
      return;
    }
    this.trigger('processingQueue');
    // Make sure the requests are processed in a FIFO order
    const request = queue.shift();
    const self = this;
    $.post(request.url, request.data)
      .fail(self.onQueuedRequestFail.bind(self, request))
      .always(self.onQueuedRequestProcessed.bind(self, queue))
  };
  /**
   * Request fail handler
   *
   * @param {Object} request
   */
  RequestQueue.prototype.onQueuedRequestFail = function (request) {
    // Queue the failed request again if we're offline
    if (!window.navigator.onLine) {
      this.add(request.url, request.data);
    }
  };
  /**
   * An item in the queue was processed
   *
   * @param {Array} queue Queue that was processed
   */
  RequestQueue.prototype.onQueuedRequestProcessed = function (queue) {
    if (queue.length) {
      this.processQueue(queue);
      return;
    }
    // Finished processing this queue
    this.processingQueue = false;
    // Run empty queue callback with next request queue
    const requestQueue = this.getStoredRequests();
    this.trigger('queueEmptied', requestQueue);
  };
  /**
   * Display toast message on the first content of current page
   *
   * @param {string} msg Message to display
   * @param {boolean} [forceShow] Force override showing the toast
   * @param {Object} [configOverride] Override toast message config
   */
  RequestQueue.prototype.displayToastMessage = function (msg, forceShow, configOverride) {
    if (!this.showToast && !forceShow) {
      return;
    }
    const config = H5P.jQuery.extend(true, {}, {
      position: {
        horizontal : 'centered',
        vertical: 'centered',
        noOverflowX: true,
      }
    }, configOverride);
    H5P.attachToastTo(H5P.jQuery('.h5p-content:first')[0], msg, config);
  };
  return RequestQueue;
 })(H5P.jQuery, H5P.EventDispatcher);
 /**
 * Request queue for retrying failing requests, will automatically retry them when you come online
 *
 * @type {offlineRequestQueue}
 */
 H5P.OfflineRequestQueue = (function (RequestQueue, Dialog) {
  /**
   * Constructor
   *
   * @param {Object} [options] Options for offline request queue
   * @param {Object} [options.instance] The H5P instance which UI components are placed within
   */
  const offlineRequestQueue = function (options) {
    const requestQueue = new RequestQueue();
    // We could handle requests from previous pages here, but instead we throw them away
    requestQueue.clearQueue();
    let startTime = null;
    const retryIntervals = [10, 20, 40, 60, 120, 300, 600];
    let intervalIndex = -1;
    let currentInterval = null;
    let isAttached = false;
    let isShowing = false;
    let isLoading = false;
    const instance = options.instance;
    const offlineDialog = new Dialog({
      headerText: H5P.t('offlineDialogHeader'),
      dialogText: H5P.t('offlineDialogBody'),
      confirmText: H5P.t('offlineDialogRetryButtonLabel'),
      hideCancel: true,
      hideExit: true,
      classes: ['offline'],
      instance: instance,
      skipRestoreFocus: true,
    });
    const dialog = offlineDialog.getElement();
    // Add retry text to body
    const countDownText = document.createElement('div');
    countDownText.classList.add('count-down');
    countDownText.innerHTML = H5P.t('offlineDialogRetryMessage')
      .replace(':num', '<span class="count-down-num">0</span>');
    dialog.querySelector('.h5p-confirmation-dialog-text').appendChild(countDownText);
    const countDownNum = countDownText.querySelector('.count-down-num');
    // Create throbber
    const throbberWrapper = document.createElement('div');
    throbberWrapper.classList.add('throbber-wrapper');
    const throbber = document.createElement('div');
    throbber.classList.add('sending-requests-throbber');
    throbberWrapper.appendChild(throbber);
    requestQueue.on('requestQueued', function (e) {
      // Already processing queue, wait until queue has finished processing before showing dialog
      if (e.data && e.data.processingQueue) {
        return;
      }
      if (!isAttached) {
        const rootContent = document.body.querySelector('.h5p-content');
        if (!rootContent) {
          return;
        }
        offlineDialog.appendTo(rootContent);
        rootContent.appendChild(throbberWrapper);
        isAttached = true;
      }
      startCountDown();
    }.bind(this));
    requestQueue.on('queueEmptied', function (e) {
      if (e.data && e.data.length) {
        // New requests were added while processing queue or requests failed again. Re-queue requests.
        startCountDown(true);
        return;
      }
      // Successfully emptied queue
      clearInterval(currentInterval);
      toggleThrobber(false);
      intervalIndex = -1;
      if (isShowing) {
        offlineDialog.hide();
        isShowing = false;
      }
      requestQueue.displayToastMessage(
        H5P.t('offlineSuccessfulSubmit'),
        true,
        {
          position: {
            vertical: 'top',
            offsetVertical: '100',
          }
        }
      );
    }.bind(this));
    offlineDialog.on('confirmed', function () {
      // Show dialog on next render in case it is being hidden by the 'confirm' button
      isShowing = false;
      setTimeout(function () {
        retryRequests();
      }, 100);
    }.bind(this));
    // Initialize listener for when requests are added to queue
    window.addEventListener('online', function () {
      retryRequests();
    }.bind(this));
    // Listen for queued requests outside the iframe
    window.addEventListener('message', function (event) {
      const isValidQueueEvent = window.parent === event.source
        && event.data.context === 'h5p'
        && event.data.action === 'queueRequest';
      if (!isValidQueueEvent) {
        return;
      }
      this.add(event.data.url, event.data.data);
    }.bind(this));
    /**
     * Toggle throbber visibility
     *
     * @param {boolean} [forceShow] Will force throbber visibility if set
     */
    const toggleThrobber = function (forceShow) {
      isLoading = !isLoading;
      if (forceShow !== undefined) {
        isLoading = forceShow;
      }
      if (isLoading && isShowing) {
        offlineDialog.hide();
        isShowing = false;
      }
      if (isLoading) {
        throbberWrapper.classList.add('show');
      }
      else {
        throbberWrapper.classList.remove('show');
      }
    };
    /**
     * Retries the failed requests
     */
    const retryRequests = function () {
      clearInterval(currentInterval);
      toggleThrobber(true);
      requestQueue.resumeQueue();
    };
    /**
     * Increments retry interval
     */
    const incrementRetryInterval = function () {
      intervalIndex += 1;
      if (intervalIndex >= retryIntervals.length) {
        intervalIndex = retryIntervals.length - 1;
      }
    };
    /**
     * Starts counting down to retrying queued requests.
     *
     * @param forceDelayedShow
     */
    const startCountDown = function (forceDelayedShow) {
      // Already showing, wait for retry
      if (isShowing) {
        return;
      }
      toggleThrobber(false);
      if (!isShowing) {
        if (forceDelayedShow) {
          // Must force delayed show since dialog may be hiding, and confirmation dialog does not
          //  support this.
          setTimeout(function () {
            offlineDialog.show(0);
          }, 100);
        }
        else {
          offlineDialog.show(0);
        }
      }
      isShowing = true;
      startTime = new Date().getTime();
      incrementRetryInterval();
      clearInterval(currentInterval);
      currentInterval = setInterval(updateCountDown, 100);
    };
    /**
     * Updates the count down timer. Retries requests when time expires.
     */
    const updateCountDown = function () {
      const time = new Date().getTime();
      const timeElapsed = Math.floor((time - startTime) / 1000);
      const timeLeft = retryIntervals[intervalIndex] - timeElapsed;
      countDownNum.textContent = timeLeft.toString();
      // Retry interval reached, retry requests
      if (timeLeft <= 0) {
        retryRequests();
      }
    };
    /**
     * Add request to offline request queue. Only supports posts for now.
     *
     * @param {string} url The request url
     * @param {Object} data The request data
     */
    this.add = function (url, data) {
      // Only queue request if it failed because we are offline
      if (window.navigator.onLine) {
        return false;
      }
      requestQueue.add(url, data);
    };
  };
  return offlineRequestQueue;
 })(H5P.RequestQueue, H5P.ConfirmationDialog);
--- a/styles/h5p-admin.css
+++ b/styles/h5p-admin.css
@ -266,6 +266,20 @@ button.h5p-admin.disabled:hover {
  display: none;
 }
 .h5p-data-view .h5p-others-contents-toggler-wrapper {
  float: right;
  line-height: 2;
  margin-right: 0.5em;
 }
 .h5p-data-view .h5p-others-contents-toggler-label {
  font-size: 14px;
 }
 .h5p-data-view .h5p-others-contents-toggler {
  margin-right: 0.5em;
 }
 .h5p-data-view th[role="button"] {
  cursor: pointer;
 }
@ -339,3 +353,6 @@ button.h5p-admin.disabled:hover {
 .h5p-data-view .h5p-facet-tag > span:active {
  color: #d20000;
 }
 .content-upgrade-log {
  color: red;
 }
--- a/styles/h5p-confirmation-dialog.css
+++ b/styles/h5p-confirmation-dialog.css
@ -1,5 +1,5 @@
 .h5p-confirmation-dialog-background {
-  position: absolute;
+  position: fixed;
  height: 100%;
  width: 100%;
  left: 0;
@ -116,3 +116,68 @@ button.h5p-confirmation-dialog-exit:hover {
  margin-top: -6px;
  display: inline-block;
 }
 .h5p-confirmation-dialog-popup.offline .h5p-confirmation-dialog-buttons {
  float: none;
  text-align: center;
 }
 .h5p-confirmation-dialog-popup.offline .count-down {
  font-family: Arial;
  margin-top: 0.15em;
  color: #000;
 }
 .h5p-confirmation-dialog-popup.offline .h5p-confirmation-dialog-confirm-button:before {
  content: "\e90b";
  font-weight: normal;
  vertical-align: text-bottom;
 }
 .throbber-wrapper {
  display: none;
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1;
  background: rgba(44, 44, 44, 0.9);
 }
 .throbber-wrapper.show {
  display: block;
 }
 .throbber-wrapper .throbber-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
 }
 .throbber-wrapper .sending-requests-throbber{
  position: absolute;
  top: 7em;
  left: 50%;
  transform: translateX(-50%);
 }
 .throbber-wrapper .sending-requests-throbber:before {
  display: block;
  font-family: 'H5P';
  content: "\e90b";
  color: white;
  font-size: 10em;
  animation: request-throbber 1.5s infinite linear;
 }
@keyframes request-throbber {
  from {
    transform: rotate(0);
  }
  to {
    transform: rotate(359deg);
  }
 }
--- a/styles/h5p-hub-registration.css
+++ b/styles/h5p-hub-registration.css
--- a/styles/h5p-hub-sharing.css
+++ b/styles/h5p-hub-sharing.css
--- a/styles/h5p.css
+++ b/styles/h5p.css
@ -3,15 +3,27 @@
 /* Custom H5P font to use for icons. */
@font-face {
  font-family: 'h5p';
-  src:    url('../fonts/h5p-core-18.eot?cb8kvi');
+  src:  url('../fonts/h5p-core-28.eot?h1atjl');
-  src:    url('../fonts/h5p-core-18.eot?cb8kvi#iefix') format('embedded-opentype'),
+  src:  url('../fonts/h5p-core-28.eot?h1atjl#iefix') format('embedded-opentype'),
-  url('../fonts/h5p-core-18.ttf?cb8kvi') format('truetype'),
+    url('../fonts/h5p-core-28.ttf?h1atjl') format('truetype'),
-  url('../fonts/h5p-core-18.woff?cb8kvi') format('woff'),
+    url('../fonts/h5p-core-28.woff?h1atjl') format('woff'),
-  url('../fonts/h5p-core-18.svg?cb8kvi#h5p') format('svg');
+    url('../fonts/h5p-core-28.svg?h1atjl#h5p-core-28') format('svg');
  font-weight: normal;
  font-style: normal;
 }
@font-face {
  font-family: 'h5p-hub-publish';
  src: url('../fonts/h5p-hub-publish.eot?wy8ylc');
  src: url('../fonts/h5p-hub-publish.eot?wy8ylc#iefix') format('embedded-opentype'),
  url('../fonts/h5p-hub-publish.ttf?wy8ylc') format('truetype'),
  url('../fonts/h5p-hub-publish.woff?wy8ylc') format('woff'),
  url('../fonts/h5p-hub-publish.svg?wy8ylc#h5p-hub') format('svg');
  font-weight: normal;
  font-style: normal;
  font-display: block;
 }
 html.h5p-iframe, html.h5p-iframe > body {
  font-family: Sans-Serif; /* Use the browser's default sans-serif font. (Since Heletica doesn't look nice on Windows, and Arial on OS X.) */
  width: 100%;
@ -43,6 +55,8 @@ html.h5p-iframe .h5p-content {
  line-height: 1.5em;
  width: 100%;
  height: auto;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
 }
 html.h5p-iframe .h5p-fullscreen .h5p-content,
 html.h5p-iframe .h5p-semi-fullscreen .h5p-content {
@ -106,8 +120,8 @@ body.h5p-semi-fullscreen {
  line-height: 0.975em;
  font-size: 2em;
  width: 1.125em;
-  height: 0.925em;
+  height: 1em;
-  text-indent: -0.0875em;
+  text-indent: 0.04em;
 }
 .h5p-disable-fullscreen {
  line-height: 0.925em;
@ -199,13 +213,13 @@ div.h5p-fullscreen {
  background: none;
  padding: 0 0.75em 0 0.25em;
  vertical-align: top;
-  color: #999;
+  color: #707070;
  text-decoration: none;
  outline: none;
-  line-height: 23px;
+  line-height: 22px;
 }
 .h5p-actions > .h5p-button:hover {
-  color: #666;
+  color: #333;
 }
 .h5p-actions > .h5p-button:active,
 .h5p-actions > .h5p-button:focus,
@ -223,12 +237,12 @@ div.h5p-fullscreen {
 .h5p-actions > .h5p-button:before {
  font-family: 'H5P';
  font-size: 20px;
-  line-height: 20px;
+  line-height: 23px;
-  vertical-align: top;
+  vertical-align: bottom;
  padding-right: 0;
 }
 .h5p-actions > .h5p-button.h5p-export:before {
-  content: "\e893";
+  content: "\e90b";
 }
 .h5p-actions > .h5p-button.h5p-copyrights:before {
  content: "\e88f";
@ -260,7 +274,7 @@ div.h5p-fullscreen {
  top: 0;
  left: 0;
  width: 100%;
-  height: 100%;
+  min-height: 100%;
  z-index: 100;
  padding: 2em;
  box-sizing: border-box;
@ -297,13 +311,20 @@ div.h5p-fullscreen {
  padding: 0.325em 0.5em 0.25em;
  line-height: 1.25em;
  border-bottom: 1px solid #ccc;
  z-index: 2;
 }
-.h5p-embed-dialog .h5p-inner {
+.h5p-popup-dialog .h5p-inner > h2 > a {
-  width: 300px;
+  font-size: 12px;
  margin-left: 1em;
 }
 .h5p-embed-dialog .h5p-inner,
 .h5p-reuse-dialog .h5p-inner,
 .h5p-content-user-data-reset-dialog .h5p-inner {
  min-width: 316px;
  max-width: 400px;
  left: 50%;
  top: 50%;
-  margin: 0 0 0 -150px;
+  transform: translateX(-50%);
  transition: margin 250ms linear 100ms;
 }
 .h5p-embed-dialog .h5p-embed-code-container,
 .h5p-embed-size {
@ -339,11 +360,14 @@ div.h5p-fullscreen {
  padding: 1em;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
-  height: 100%;
+  color: #555555;
  z-index: 1;
 }
 .h5p-popup-dialog.h5p-open .h5p-scroll-content {
  overflow: auto;
  overflow-x: hidden;
  overflow-y: auto;
-  color: #555555;
+  height: 100%;
 }
 .h5p-popup-dialog .h5p-scroll-content::-webkit-scrollbar {
  width: 8px;
@ -357,11 +381,6 @@ div.h5p-fullscreen {
 }
 .h5p-popup-dialog .h5p-close {
  cursor: pointer;
  outline:none
 }
 .h5p-popup-dialog .h5p-close:after {
  font-family: 'H5P';
  content: "\e894";
  font-size: 2em;
  position: absolute;
  right: 0;
@ -372,6 +391,11 @@ div.h5p-fullscreen {
  color: #656565;
  cursor: pointer;
  text-indent: -0.065em;
  z-index: 3
 }
 .h5p-popup-dialog .h5p-close:after {
  font-family: 'H5P';
  content: "\e894";
 }
 .h5p-popup-dialog .h5p-close:hover:after,
 .h5p-popup-dialog .h5p-close:focus:after {
@ -402,7 +426,6 @@ div.h5p-fullscreen {
 .h5p-expander {
  cursor: pointer;
  font-size: 1.125em;
  outline: none;
  margin: 0.5em 0 0;
  display: inline-block;
 }
@ -455,3 +478,148 @@ div.h5p-fullscreen {
 .h5p-dialog-ok-button:active {
  background: #eeffee;
 }
 .h5p-big-button {
  line-height: 1.25;
  display: block;
  position: relative;
  cursor: pointer;
  width: 100%;
  padding: 1em 1em 1em 3.75em;
  text-align: left;
  border: 1px solid #dedede;
  background: linear-gradient(#ffffff, #f1f1f2);
  border-radius: 0.25em;
 }
 .h5p-big-button:before {
  font-family: 'h5p';
  content: "\e893";
  line-height: 1;
  font-size: 3em;
  color: #2747f7;
  position: absolute;
  left: 0.125em;
  top: 0.125em;
 }
 .h5p-copy-button:before {
  content: "\e905";
 }
 .h5p-big-button:hover {
  border: 1px solid #2747f7;
  background: #eff1fe;
 }
 .h5p-big-button:active {
  border: 1px solid #dedede;
  background: #dfe4fe;
 }
 .h5p-button-title {
  color: #2747f7;
  font-size: 15px;
  font-weight: bold;
  margin-bottom: 0.5em;
 }
 .h5p-button-description {
  color: #757575;
 }
 .h5p-horizontal-line-text {
  border-top: 1px solid #dadada;
  line-height: 1;
  color: #474747;
  text-align: center;
  position: relative;
  margin: 1.25em 0;
 }
 .h5p-horizontal-line-text > span {
  background: white;
  padding: 0.5em;
  position: absolute;
  top: -1em;
  left: 50%;
  transform: translateX(-50%);
 }
 .h5p-toast {
  font-size: 0.75em;
  background-color: rgba(0, 0, 0, 0.9);
  color: #fff;
  z-index: 110;
  position: absolute;
  padding: 0 0.5em;
  line-height: 2;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  top: 0;
  opacity: 1;
  visibility: visible;
  transition: opacity 1s;
 }
 .h5p-toast-disabled {
  opacity: 0;
  visibility: hidden;
 }
 .h5p-content code,
 .h5peditor code {
  color: #3d3d3d;
  background: #e0e0e0;
  border-radius: 2px;
  padding: 0 5px;
 }
 .h5p-content pre > code,
 .h5peditor pre > code {
  background-color: #fafafa;
  padding: 5px;
  display: block;
  line-height: normal;
  border: 1px solid #c7c7c7;
  border-left-width: 4px;
  max-width: 100%;
  white-space: pre;
  overflow: auto;
 }
 /* This is loaded as part of Core and not Editor since this needs to be outside the editor iframe */
 .h5peditor-semi-fullscreen {
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 101;
 }
 iframe.h5peditor-semi-fullscreen {
  background: #fff;
  z-index: 100001;
 }
 .h5p-content.using-mouse *:not(textarea):focus {
  outline: none !important;
 }
 .h5p-content-hub-button:before {
  font-family: "h5p";
  margin-right: 0.5em;
  font-size: 0.7em;
  line-height: 1;
 }
 .h5p-content-hub-button.unpublish:before {
  content: "\e916";
 }
 .h5p-content-hub-button.waiting:before,
 .h5p-content-hub-button.sync:before {
  content: "\e917";
 }
 .h5p-content-hub-button.waiting:before {
  display: inline-block;
  animation: rotate 2s linear infinite;
 }
@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
 }