/**
+ * Returns a region object for the node
+ * @config region
+ * @for Node
+ * @type Node
+ */
+Y.Node.ATTRS.region = {
+ getter: function() {
+ var node = Y.Node.getDOMNode(this);
+ if (node && !node.tagName) {
+ if (node.nodeType === 9) { // document
+ node = node.documentElement;
+ } else if (node.alert) { // window
+ node = node.document.documentElement;
+ }
+ }
+ return Y.DOM.region(node);
+ }
+};
+
+/**
+ * Returns a region object for the node's viewport
+ * @config viewportRegion
+ * @type Node
+ */
+Y.Node.ATTRS.viewportRegion = {
+ getter: function() {
+ return Y.DOM.viewportRegion(Y.Node.getDOMNode(this));
+ }
+};
+
+Y.Node.importMethod(Y.DOM, 'inViewportRegion');
+
+// these need special treatment to extract 2nd node arg
+/**
+ * Compares the intersection of the node with another node or region
+ * @method intersect
+ * @for Node
+ * @param {Node|Object} node2 The node or region to compare with.
+ * @param {Object} altRegion An alternate region to use (rather than this node's).
+ * @return {Object} An object representing the intersection of the regions.
+ */
+Y.Node.prototype.intersect = function(node2, altRegion) {
+ var node1 = Y.Node.getDOMNode(this);
+ if (node2 instanceof Y.Node) { // might be a region object
+ node2 = Y.Node.getDOMNode(node2);
+ }
+ return Y.DOM.intersect(node1, node2, altRegion);
+};
+
+/**
+ * Determines whether or not the node is within the giving region.
+ * @method inRegion
+ * @param {Node|Object} node2 The node or region to compare with.
+ * @param {Boolean} all Whether or not all of the node must be in the region.
+ * @param {Object} altRegion An alternate region to use (rather than this node's).
+ * @return {Object} An object representing the intersection of the regions.
+ */
+Y.Node.prototype.inRegion = function(node2, all, altRegion) {
+ var node1 = Y.Node.getDOMNode(this);
+ if (node2 instanceof Y.Node) { // might be a region object
+ node2 = Y.Node.getDOMNode(node2);
+ }
+ return Y.DOM.inRegion(node1, node2, all, altRegion);
+};
+