/*!

 * jQuery.mouseDelay.js v1.2

 * http://www.planeart.cn/?p=1073

 * Copyright 2011, TangBin

 * Dual licensed under the MIT or GPL Version 2 licenses.

 */

(function ($, plugin) {

	var data = {}, id = 1, etid = plugin + 'ETID';

	

	// 延时构造器

	$.fn[plugin] = function (speed, group) {

		id ++;	

		group = group || this.data(etid) || id;

		speed = speed || 100;

		

		// 缓存分组名称到元素

		if (group === id) this.data(etid, group);

		

		// 暂存官方的hover方法

		this._hover = this.hover;

		

		// 伪装一个hover函数，并截获两个回调函数交给真正的hover函数处理

		this.hover = function (over, out) {

			over = over || $.noop;

			out = out || $.noop;

			this._hover(function (event) {

				var elem = this;

				clearTimeout(data[group]);

				data[group] = setTimeout(function () {

					over.call(elem, event);

				}, speed);

			}, function (event) {

				var elem = this;

				clearTimeout(data[group]);

				data[group] = setTimeout(function () {

					out.call(elem, event);

				}, speed);

			});

			

			return this;

		};

		

		return this;

	};

	

	// 冻结选定元素的延时器

	$.fn[plugin + 'Pause'] = function () {

		clearTimeout(this.data(etid));

		return this;

	};

	

	// 静态方法

	$[plugin] = {

		// 获取一个唯一分组名称

		get: function () {

			return id ++;

		},

		// 冻结指定分组的延时器

		pause: function (group) {

			clearTimeout(data[group]);

		}

	};

	

})(jQuery, 'mouseDelay');