//运动曲线
$.extend(jQuery.easing, {

    easeIn: function (x, t, b, c, d) {  //加速曲线
        return c * (t /= d) * t + b;
    },
    easeOut: function (x, t, b, c, d) {  //减速曲线
        return -c * (t /= d) * (t - 2) + b;
    },
    easeBoth: function (x, t, b, c, d) {  //加速减速曲线
        if ((t /= d / 2) < 1) {
            return c / 2 * t * t + b;
        }
        return -c / 2 * ((--t) * (t - 2) - 1) + b;
    },
    easeInStrong: function (x, t, b, c, d) {  //加加速曲线
        return c * (t /= d) * t * t * t + b;
    },
    easeOutStrong: function (x, t, b, c, d) {  //减减速曲线
        return -c * ((t = t / d - 1) * t * t * t - 1) + b;
    },
    easeBothStrong: function (x, t, b, c, d) {  //加加速减减速曲线
        if ((t /= d / 2) < 1) {
            return c / 2 * t * t * t * t + b;
        }
        return -c / 2 * ((t -= 2) * t * t * t - 2) + b;
    },
    elasticIn: function (x, t, b, c, d, a, p) {  //正弦衰减曲线（弹动渐入）
        if (t === 0) {
            return b;
        }
        if ((t /= d) == 1) {
            return b + c;
        }
        if (!p) {
            p = d * 0.3;
        }
        if (!a || a < Math.abs(c)) {
            a = c;
            var s = p / 4;
        } else {
            var s = p / (2 * Math.PI) * Math.asin(c / a);
        }
        return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
    },
    elasticOut: function (x, t, b, c, d, a, p) {    //正弦增强曲线（弹动渐出）
        if (t === 0) {
            return b;
        }
        if ((t /= d) == 1) {
            return b + c;
        }
        if (!p) {
            p = d * 0.3;
        }
        if (!a || a < Math.abs(c)) {
            a = c;
            var s = p / 4;
        } else {
            var s = p / (2 * Math.PI) * Math.asin(c / a);
        }
        return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
    },
    elasticBoth: function (x, t, b, c, d, a, p) {
        if (t === 0) {
            return b;
        }
        if ((t /= d / 2) == 2) {
            return b + c;
        }
        if (!p) {
            p = d * (0.3 * 1.5);
        }
        if (!a || a < Math.abs(c)) {
            a = c;
            var s = p / 4;
        }
        else {
            var s = p / (2 * Math.PI) * Math.asin(c / a);
        }
        if (t < 1) {
            return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) *
                Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
        }
        return a * Math.pow(2, -10 * (t -= 1)) *
            Math.sin((t * d - s) * (2 * Math.PI) / p) * 0.5 + c + b;
    },
    backIn: function (x, t, b, c, d, s) {     //回退加速（回退渐入）
        if (typeof s == 'undefined') {
            s = 1.70158;
        }
        return c * (t /= d) * t * ((s + 1) * t - s) + b;
    },
    backOut: function (x, t, b, c, d, s) {
        if (typeof s == 'undefined') {
            s = 3.70158;  //回缩的距离
        }
        return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
    },
    backBoth: function (x, t, b, c, d, s) {
        if (typeof s == 'undefined') {
            s = 1.70158;
        }
        if ((t /= d / 2) < 1) {
            return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
        }
        return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
    },
    bounceIn: function (x, t, b, c, d) {    //弹球减振（弹球渐出）
        return c - this['bounceOut'](x, d - t, 0, c, d) + b;
    },
    bounceOut: function (x, t, b, c, d) {
        if ((t /= d) < (1 / 2.75)) {
            return c * (7.5625 * t * t) + b;
        } else if (t < (2 / 2.75)) {
            return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b;
        } else if (t < (2.5 / 2.75)) {
            return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;
        }
        return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b;
    },
    bounceBoth: function (x, t, b, c, d) {
        if (t < d / 2) {
            return this['bounceIn'](x, t * 2, 0, c, d) * 0.5 + b;
        }
        return this['bounceOut'](x, t * 2 - d, 0, c, d) * 0.5 + c * 0.5 + b;
    }

});

/*
     向右循环 5,6,7,8,9->4,
          5,6,7,8,9->4
*/
/*
     小白点   5,6,7,8,9->4,3,2,1,0,1,2,3,4,
          5,6,7,8,9->4,3,2,1,0,1,2,3,4
 */
function autoMoveVideo(json) {
    if (!json) {
        return;
    }
    var oUl = json.parent.find('.noticeList');
    var oOl = json.parent.find('.dots');
    var oPrev = json.parent.find('.prev');
    var oNext = json.parent.find('.next');


    var oLiWidth = json.ew;//每一张图片的宽度
    var oLiLenstart = oUl.find('li').length;//起始li的length
    var timer = null;
    var bok = false;//开关，防止点击过快

    //一张图片不运动
    if (oLiLenstart == 1) {
        return;
    }

    //ul内容复制一份
    oUl.get(0).innerHTML += oUl.get(0).innerHTML;
    var oConLiLen = oUl.find('li').length;//复制之后li的个数
    oUl.css({width: oConLiLen * oLiWidth, left: -oLiLenstart * oLiWidth});  //ul的宽度
    oUl.find('li').css({width: oLiWidth});           //li的宽度

    var current = oLiLenstart;//当前的值-5

    function tab(n) {
        oUl.stop().animate({left: -n * oLiWidth}, 400, "easeBothStrong", function () {
            if (n == oConLiLen - 1) {//9--4
                current = oLiLenstart - 1;
            } else if (n == 0) {//0-5
                current = oLiLenstart;
            }
            oUl.css({left: -current * oLiWidth});
            bok = false;
        });
        oOl.find('li').eq(n % oLiLenstart).addClass('active').siblings('li').removeClass('active');
    };

    //自动播放
    function auto() {
        clearInterval(timer);
        timer = setInterval(function () {
            current++;
            tab(current);
        }, 4000);
    };
    auto();

    //向右
    oNext.on('click', function () {
        if (bok) {
            return;
        }
        bok = true;
        current++;
        tab(current);
    });
    //向左
    oPrev.on('click', function () {
        if (bok) {
            return;
        }
        bok = true;
        current--;
        tab(current);
    });

    //整个区域鼠标移入停止自动播放，移出继续
    json.parent.on({
        mouseenter: function () {
            clearInterval(timer);
        },
        mouseleave: function () {
            auto();
        }
    });

    //小白点运动
    //oOl.css({marginLeft:-(oOl.width() / 2)});
    oOl.find('li').each(function (index, ele) {
        if (index == 0) {
            $(ele).addClass('active');
        }

    })
    oOl.find('li').on('click', function () {
        if (current >= oLiLenstart) {//开始current为5，非点击最后一个运动
            current = $(this).index() + oLiLenstart;
            tab(current);
        } else {//点击最后一个之后,9--4，小于oLiLenstart，再点击其他的小白点，就为0,1,2,3,4
            current = $(this).index();
            tab(current);
        }
    });


};