Flex: Determine if a component is showing

Question

What is the best way to determine if a component in Flex/Flash is showing on the user\'s screen? I\'m looking for an analog to Java\'s Component.isShowing() method.

The

Answer 1

This is all you really need. The "Application.application" check is futile.

        /**
         * Returns `true` if this component is actually shown on screen currently. This could be false even with
         * "visible" set to `true`, because one or more parents could have "visible" set to `false`.
         */
        public static function isShowing (c : DisplayObject) : Boolean {
            while (c && c.visible && c.parent) {
                c = c.parent;
            }
            return c.visible;
        }