    Ext.define('Ext.rtl.tip.QuickTipManager', {
        override: 'Ext.tip.QuickTipManager',

        init: function() {
            var me = this;

            // Will return false if not ready to proceed
            if (me.callParent(arguments) !== false) {
                me.tip.on('beforeshow', me.onBeforeFirstShow, me, { single: true });
            }
        },

        onBeforeFirstShow: function(tip) {
            // The rtl override for AbstractComponent reads the DOM for floating components to
            // determine if their local coordinate system is RTL and caches the value.  If
            // QuickTipManager.init() is called before the Viewport has been rendered then the
            // cached value may be incorrect.  Clear the cached value so that the next call to
            // isLocalRtl() will read the DOM again.
            tip._isOffsetParentRtl = undefined;
        }
    });