Revert "Remove zombie tooltips with MutationObserver"

This reverts commit 1df1f3b.

backend/app/assets/javascripts/spree/backend/components/tooltips.js

@@ -3,26 +3,30 @@ Spree.ready(function(){
 
  $('body').tooltip({selector: '.with-tip'});
 
+ /*
+ * Poll tooltips to hide them if they are no longer being hovered.
+ *
+ * This is necessary to fix tooltips hanging around after their attached
+ * element has been removed from the DOM (and will therefore receive no
+ * mouseleave event). This may be unnecessary in a future version of
+ * bootstrap, which intends to solve this using MutationObserver.
+ */
+ var removeDesyncedTooltip = function(tooltip) {
+ var interval = setInterval(function(){
+ if(!$(tooltip.element).is(":hover")) {
+ tooltip.hide();
+ clearInterval(interval);
+ }
+ }, 200);
+ $(tooltip.element).on('hidden.bs.tooltip', function(){
+ clearInterval(interval);
+ });
+ };
+
  $('body').on('inserted.bs.tooltip', function(e){
  var $target = $(e.target);
  var tooltip = $target.data('bs.tooltip');
-
- /*
- * Observe target changes to understand if we need to remove tooltips.
- *
- * This is necessary to fix tooltips hanging around after their attached
- * element has been removed from the DOM (and will therefore receive no
- * mouseleave event).
- */
- var observer = new MutationObserver(function(mutations) {
- // disconnect itself when content is changed, a new observer will
- // be attached to this element when the new tooltip is created.
- this.disconnect();
-
- tooltip.hide();
- });
- observer.observe($target.get(0), { attributes: true });
-
+ removeDesyncedTooltip(tooltip);
  var $tooltip = $("#" + $target.attr("aria-describedby"));
  $tooltip.addClass("action-" + $target.data("action"));
  });