Revert "HFP-2992 Made IV functions public"

This reverts commit 1860861.

Author: simondate

src/scripts/interactive-video.js

@@ -518,77 +518,6 @@ function InteractiveVideo(params, id, contentData) {
     self.handleAnswered();
   }
 
-
-  /**
-   * Disable tab indexes hidden behind overlay.
-   */
-  self.disableTabIndexes = (elementToExclude = '.h5p-dialog-wrapper') => {
-    var self = this;
-    // Make all other elements in container not tabbable. When dialog is open,
-    // it's like the elements behind does not exist.
-    var $elementToExclude = self.$container.find(elementToExclude);
-    self.$tabbables = self.$container.find('a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]').filter(function () {
-      var $tabbable = $(this);
-      var insideWrapper = $.contains($elementToExclude.get(0), $tabbable.get(0));
-
-      // tabIndex has already been modified, keep it in the set.
-      if ($tabbable.data('tabindex')) {
-        return true;
-      }
-
-      if (!insideWrapper) {
-        // Store current tabindex, so we can set it back when dialog closes
-        var tabIndex = $tabbable.attr('tabindex');
-        $tabbable.data('tabindex', tabIndex);
-
-        // Make it non tabbable
-        $tabbable.attr('tabindex', '-1');
-        return true;
-      }
-      // If element is part of dialog wrapper, just ignore it
-      return false;
-    });
-  };
-
-  /**
-   * Restore tab indexes that was previously disabled.
-   * @param {H5P.jQuery} [$withinContainer] Only restore tab indexes of elements within this container.
-   */
-  self.restoreTabIndexes = ($withinContainer) => {
-    var self = this;
-    // Resetting tabindex on background elements
-    if (self.$tabbables) {
-      self.$tabbables.each(function () {
-        var $element = $(this);
-        var tabindex = $element.data('tabindex');
-  
-        // Only restore elements within container when specified
-        if ($withinContainer && !$.contains($withinContainer.get(0), $element.get(0))) {
-          return true;
-        }
-  
-        // Specifically handle jquery ui slider, since it overwrites data in an inconsistent way
-        if ($element.hasClass('ui-slider-handle')) {
-          $element.attr('tabindex', 0);
-          $element.removeData('tabindex');
-        }
-        else if (tabindex !== undefined) {
-          $element.attr('tabindex', tabindex);
-          $element.removeData('tabindex');
-        }
-        else {
-          $element.removeAttr('tabindex');
-        }
-      });
-  
-      // Do not remove reference if only restored partially
-      if (!$withinContainer) {
-        // Has been restored, remove reference
-        self.$tabbables = undefined;
-      }
-    }
-  };
-
   /**
    * Toggle mute
    * @param {Boolean} [refocus=true]
@@ -3233,6 +3162,77 @@ InteractiveVideo.prototype.restorePosterTabIndexes = function () {
   });
 };
 
+
+/**
+ * Disable tab indexes hidden behind overlay.
+ */
+InteractiveVideo.prototype.disableTabIndexes = function (elementToExclude = '.h5p-dialog-wrapper') {
+  var self = this;
+  // Make all other elements in container not tabbable. When dialog is open,
+  // it's like the elements behind does not exist.
+  var $elementToExclude = self.$container.find(elementToExclude);
+  self.$tabbables = self.$container.find('a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), iframe, object, embed, *[tabindex], *[contenteditable]').filter(function () {
+    var $tabbable = $(this);
+    var insideWrapper = $.contains($elementToExclude.get(0), $tabbable.get(0));
+
+    // tabIndex has already been modified, keep it in the set.
+    if ($tabbable.data('tabindex')) {
+      return true;
+    }
+
+    if (!insideWrapper) {
+      // Store current tabindex, so we can set it back when dialog closes
+      var tabIndex = $tabbable.attr('tabindex');
+      $tabbable.data('tabindex', tabIndex);
+
+      // Make it non tabbable
+      $tabbable.attr('tabindex', '-1');
+      return true;
+    }
+    // If element is part of dialog wrapper, just ignore it
+    return false;
+  });
+};
+
+/**
+ * Restore tab indexes that was previously disabled.
+ * @param {H5P.jQuery} [$withinContainer] Only restore tab indexes of elements within this container.
+ */
+InteractiveVideo.prototype.restoreTabIndexes = function ($withinContainer) {
+  var self = this;
+  // Resetting tabindex on background elements
+  if (self.$tabbables) {
+    self.$tabbables.each(function () {
+      var $element = $(this);
+      var tabindex = $element.data('tabindex');
+
+      // Only restore elements within container when specified
+      if ($withinContainer && !$.contains($withinContainer.get(0), $element.get(0))) {
+        return true;
+      }
+
+      // Specifically handle jquery ui slider, since it overwrites data in an inconsistent way
+      if ($element.hasClass('ui-slider-handle')) {
+        $element.attr('tabindex', 0);
+        $element.removeData('tabindex');
+      }
+      else if (tabindex !== undefined) {
+        $element.attr('tabindex', tabindex);
+        $element.removeData('tabindex');
+      }
+      else {
+        $element.removeAttr('tabindex');
+      }
+    });
+
+    // Do not remove reference if only restored partially
+    if (!$withinContainer) {
+      // Has been restored, remove reference
+      self.$tabbables = undefined;
+    }
+  }
+};
+
 /**
  * If there are visible required interactions, trap focus
  * within them.