'use strict';

var _typeof2 = typeof symbol === "function" && typeof symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof symbol === "function" && obj.constructor === symbol && obj !== symbol.prototype ? "symbol" : typeof obj; };

var _typeof = typeof symbol === "function" && _typeof2(symbol.iterator) === "symbol" ? function (obj) {
    return typeof obj === "undefined" ? "undefined" : _typeof2(obj);
} : function (obj) {
    return obj && typeof symbol === "function" && obj.constructor === symbol && obj !== symbol.prototype ? "symbol" : typeof obj === "undefined" ? "undefined" : _typeof2(obj);
};

(function ($, window, undefined) {
    window.you = {
        init: function init() {
            var json = arguments[0] ? arguments[0] : {};
            if (json.imgauto) {
                $('img').each(function () {
                    var t = $(this);
                    if (t.attr('img-auto')) {
                        t.attr('img-auto') == 'cover' ? t.imgauto('cover') : t.imgauto();
                    }
                });
            }
            $('body').fadeto('fast', 1);
            return this;
        },
        rem: function rem(size) {
            size = size || 640;
            $(window).width() > 1024 ? $('html').css('font-size', 320) : $('html').css('font-size', $(window).width() / size * 100);
            return this;
        },
        nav: function nav() {
            var nav = $('#nav');
            var btn = $('#nav>ul>li>a');
            $('#menu').click(function () {
                nav.addclass('in');
            });
            nav.click(function () {
                nav.removeclass('in');
            });
            $('#nav>ul').click(function (event) {
                event.stoppropagation();
            });
            btn.each(function () {
                var t = $(this);
                if (t.next('ul').children().length) {
                    t.prop('href', 'javascript:;').append('<i class="fa fa-angle-down"></i>');
                }
            }).click(function (event) {
                var t = $(this);

                var abtn = btn.filter(function (argument) {
                    return $(this).hasclass('in');
                });

                var slide = function slide(obj, ud) {
                    if (ud == 'down') {
                        obj.addclass('in').next('ul').slidedown('fast');
                    } else {
                        obj.removeclass('in').next('ul').slideup('fast');
                    }
                };

                if (abtn === t) {
                    slide(t, 'up');
                } else {
                    slide(t, 'down');
                    slide(abtn, 'up');
                }
            });
            return this;
        },
        /*使用方法
        var throttled = you.letter(function () {})
        $(window).scroll(throttled);
        */
        letter: function letter(fn) {
            if (typeof arguments[0] != 'function') return;
            fn();
            var times = typeof arguments[1] != 'number' ? 300 : arguments[1];
            var timer = null;
            var st = new date().gettime();
            return function () {
                var et = new date().gettime();
                if (et - st < times) {
                    cleartimeout(timer);
                    timer = settimeout(function () {
                        //return fn.apply(this,arguments);
                        fn();
                    }, times);
                } else {
                    cleartimeout(timer);
                    st = et;
                    fn();
                }
            };
        },
        css3: function () {
            var div = document.createelement('div'),
                vendors = 'ms o moz webkit'.split(' ');
            return function (prop) {
                var len = vendors.length;
                if (typeof prop != 'string') return false;
                if (prop in div.style) return true;
                prop = prop.replace(/^[a-z]/, function (val) {
                    return val.touppercase();
                });
                while (len--) {
                    if (vendors[len] + prop in div.style) {
                        return true;
                    }
                }
                return false;
            };
        }(),
        css3_3d: function css3_3d() {
            var docelement = document.documentelement;
            var support = you.css3('perspective');
            var body = document.body;
            if (support && 'webkitperspective' in docelement.style) {
                var style = document.createelement('style');
                style.type = 'text/css';
                style.innerhtml = '@media (transform-3d),(-webkit-transform-3d){#css3_3d_test{left:9px;position:absolute;height:3px;}}';
                body.appendchild(style);
                var div = document.createelement('div');
                div.id = 'css3_3d_test';
                body.appendchild(div);
                support = div.offsetleft === 9 && div.offsetheight === 3;
            }
            you.css3_3d = function () {
                return support;
            };
            return support;
        },
        //延迟加载
        lazyload: function lazyload(obj, move) {
            obj.each(function (i) {
                var t = $(this);
                if (typeof t.attr('data-src') == 'undefined' && typeof move == 'undefined') {
                    you.lazyload(obj.not(t));
                    return false;
                }
                t.show = function () {
                    var top = $(window).height() + $(window).scrolltop();
                    if (top > t.offset().top - (parseint(t.css('top')) || 0)) {
                        //回调函数型
                        if (typeof move == 'function') {
                            move.call(t);
                            //文字运动显示型
                        } else if (move) {
                            t.animate({
                                top: 0,
                                left: 0
                            }, parseint(t.attr('timer')) || 2000, function () {});
                            //图片延迟加载
                        } else {
                            t.attr('src', t.attr('data-src')).removeattr('data-src');
                        }
                        $(window).unbind('scroll', t.show);
                    } else {
                        return false;
                    }
                };
                if (t.show() === false) {
                    $(window).bind('scroll', t.show);
                } else {
                    settimeout(function () {
                        you.lazyload(obj.not(t));
                    });
                    return false;
                }
            });
            return this;
        },
        tab: function tab(tab, list, fn) {
            var tab = $(tab),
                list = $(list),
                show = function show(t) {
                var index = $(t).data('i');
                tab.removeclass('active').eq(index).addclass('active');
                list.hide().eq(index).stop(true, true).fadeto(0, .5).fadeto('fast', 1);
                if (fn) fn(t);
            };
            tab.each(function (i) {
                tab.eq(i).data('i', i);
            }).click(function () {
                show(this);
            });
            show(tab.first());
            return this;
        },
        scrolltop: function scrolltop() {
            var oa,
                px,
                hb,
                win,
                box,
                throttled,
                box_win_top,
                timer = null;

            typeof arguments[1] != 'number' ? px = 150 : px = arguments[1];

            if (_typeof(arguments[0]) == 'object') {
                if (arguments[2] == 'box') {
                    hb = win = arguments[0];
                    box = oa = $("a[href='#top']");
                    throttled = you.letter(function () {
                        win.scrolltop() > px ? oa.fadein() : oa.fadeout('fast');
                    });
                } else {
                    hb = $('html,body');
                    win = $(window);
                    box = arguments[0];
                    oa = box.find("a[href='#top']");
                    throttled = you.letter(function () {
                        box_win_top = (win.height() - box.height()) / 2;
                        box.animate({
                            'top': box_win_top + win.scrolltop()
                        });
                        if (win.scrolltop() + box_win_top > px && box.is(':hidden')) {
                            box.stop(true, true).fadein();
                        }
                        if (win.scrolltop() + box_win_top < px && !box.is(':hidden')) {
                            box.stop(true).fadeout('fast');
                        }
                    });
                }
            } else {
                hb = $('html,body');
                win = $(window);
                box = oa = $("a[href='#top']");
                throttled = you.letter(function () {
                    win.scrolltop() > px ? oa.fadein() : oa.fadeout('fast');
                });
            }

            oa.click(function () {
                event.stoppropagation();
                event.preventdefault();
                hb.animate({
                    scrolltop: 0
                });
                box.fadeout();
            });
            win.scroll(throttled);
            return this;
        }
    };

    $.fn.roll = function () {
        var t = this,
            json = arguments[0] ? arguments[0] : {};
        if (typeof json.num != 'number') json.num = 1;
        if (typeof json.timer != 'number') json.timer = 6000;
        if (typeof json.speed != 'number') json.speed = 400;
        if (typeof json.easing != 'string') json.easing = 'swing';
        if (typeof json.timing != 'string') json.timing = 'ease-out';
        if (typeof json.adaptive === 'undefined') json.adaptive = true;
        if (typeof json.center === 'undefined') json.center = true;

        var oul = t.find('ul'),
            oli = oul.find('li'),
            oll = oli.length,
            ow = oli.outerwidth(true),
            banner_l = json.lbtn || t.find('.btn_l'),
            banner_r = json.rbtn || t.find('.btn_r'),
            btn = t.find('.banner_btn').find('a'),
            oindex = -oll,
            timer = null,
            movein = false,
            outer = false,
            sx = 0,
            ex = 0,
            downtime = 0,
            _l = 0,
            css3d = you.css3_3d(),
            move,
            banner_btn,
            banner_btn_span,
            suspend,
            _w,
            cw,
            dcenter,
            bresize,
            translate3d = function translate3d() {
            return 'translate3d(' + ow * oindex + 'px, 0px, 0px)';
        },
            toleft = function toleft() {
            return ow * oindex;
        };

        t.roll_stop = function () {
            clearinterval(timer);
        };
        t.roll_start = function (bl) {
            if (bl) {
                movein = false;
            };
            clearinterval(timer);
            timer = setinterval(function () {
                move('-');
            }, json.timer);
        };

        oul.html(oul.html() + oul.html() + oul.html());
        oli = oul.find('li');
        oll = oli.length;

        t.css({
            position: 'relative',
            overflow: 'hidden',
            margin: '0 auto',
            width: json.width ? json.width : json.banner ? '100%' : json.num * ow
        });

        oli.css({
            width: json.banner ? ow : oli.width(),
            height: 'auto',
            float: 'left',
            position: 'relative',
            overflow: 'hidden'
        });

        oul.css({
            width: oll * ow,
            height: 'auto'
        });

        if (json.height) t.height(json.height);
        if (json.btn) {
            banner_btn = $('<div class="banner_btn"></div>');
            banner_btn_span = $('<span></span>');
            for (var i = 0; i < oll / 3; i++) {
                banner_btn_span.append('<a href="javascript:;"></a>');
            }
            btn = banner_btn_span.find('a');
            btn.first().addclass('in');
            banner_btn.append(banner_btn_span);
            t.append(banner_btn);
            if (json.btn == 'all') {
                t.append('<div class="banner_l"></div><div class="banner_r"></div>');
                banner_l = t.find('.banner_l');
                banner_r = t.find('.banner_r');
            }
        }
        suspend = btn.add(banner_l).add(banner_r);
        if (json.banner) {
            dcenter = $('div.center:first');
            bresize = function bresize() {
                _w = t.width();
                cw = dcenter.width();
                if (json.adaptive) {
                    ow = _w;
                } else {
                    ow = _w > cw ? _w : cw;
                }
                oli.width(ow);
                oul.width(oll * ow);
                if (css3d) {
                    oul.css({ 'transform': translate3d(), 'transition': 'transform 0ms' });
                } else {
                    oul.css({ left: toleft() });
                }
            };
            bresize();
            $(window).resize(function () {
                bresize();
            });
        } else {
            suspend.add(oli);
        }

        if (css3d) {
            oul.css({
                'transform': translate3d()
            }).on('webkittransitionend', function () {
                if (movein) {
                    if (oindex >= 0) {
                        oindex = -oll / 3;
                        oul.css({ 'transform': translate3d(), 'transition': 'transform 0ms' });
                    }
                    if (oindex <= -(oll - json.num)) {
                        oindex = -(2 * oll / 3 - json.num);
                        oul.css({ 'transform': translate3d(), 'transition': 'transform 0ms' });
                    }
                    movein = false;
                }
            });
        } else {
            oul.css({
                position: 'absolute',
                top: 0,
                left: toleft()
            });
        }

        // if (json.center) oul.find('img').imgauto(true, {
        //     imgautostart: function(img){
        //         if (json.banner && !json.height) {
        //             t.height(_w / img.width * img.height);
        //         }
        //     }
        // });

        move = function move(dir) {
            if (movein) return;
            movein = true;
            if (typeof dir != 'undefined') {
                dir == '+' ? oindex++ : oindex--;
            }
            btn.removeclass('in').eq(-oindex % (oll / 3)).addclass('in');
            if (css3d) {
                oul.css({ 'transform': translate3d(), 'transition': 'transform ' + json.speed + 'ms ' + json.timing });
            } else {
                oul.stop(true, true).animate({
                    left: toleft()
                }, json.speed, json.easing, function () {
                    if (oindex >= 0) {
                        oindex = -oll / 3;
                        oul.css('left', toleft());
                    }
                    if (oindex <= -(oll - json.num)) {
                        oindex = -(2 * oll / 3 - json.num);
                        oul.css('left', toleft());
                    }
                    movein = false;
                });
            }
        };

        banner_l.click(function () {
            move('+');
        });

        banner_r.click(function () {
            move('-');
        });

        btn.click(function (e) {
            e.stoppropagation();
            movein = false;
            oindex = -oll / 3 - $(this).index();
            move();
        });

        t.on("touchstart", function (e) {
            movein = false;
            oul.css('transition', 'transform 0ms');
            t.roll_stop();
            sx = e.originalevent.changedtouches[0].clientx;
            downtime = date.now();
            _l = oul.position().left;
            _w = t.width() / json.num;
        });
        t.on("touchmove", function (e) {
            e.preventdefault();
            ex = e.originalevent.changedtouches[0].clientx - sx;
            if (ex > _w / 3) {
                oul.css('transform', 'translate3d(' + (_l + _w / 3 + 2 * _w / 3 * (1 - _w / 3 / ex)) + 'px, 0px, 0px)');
            } else if (ex < -_w / 3) {
                oul.css('transform', 'translate3d(' + (_l - _w / 3 - 2 * _w / 3 * (1 - -_w / 3 / ex)) + 'px, 0px, 0px)');
            } else {
                oul.css('transform', 'translate3d(' + (_l + ex) + 'px, 0px, 0px)');
            }
        });
        t.on("touchend", function (e) {
            outer = false;
            if (oindex >= 0 && ex > 0) {
                oindex = -1;
                outer = 1;
            }
            if (oindex <= -(oll - json.num) && ex < 0) {
                oindex = -(oll - json.num) + 1;
                outer = 2;
            }
            ex = e.originalevent.changedtouches[0].clientx - sx;
            if (ex >= _w / 3 || date.now() - downtime < 300 && ex > 30 || outer == 1) {
                move('+');
            } else if (ex < -_w / 3 || date.now() - downtime < 300 && ex < -30 || outer == 2) {
                move('-');
            } else {
                move();
            }
            t.roll_start();
        });

        timer = setinterval(function () {
            move('-');
        }, json.timer);

        suspend.hover(function () {
            t.roll_stop();
        }, function () {
            t.roll_start();
        });

        t.fadeto("slow", 1);
        return this;
    };

    $.fn.imgauto = function (co, fn) {
        fn = arguments[1] ? arguments[1] : {};
        var fncall = function fncall(name, arg) {
            if (typeof fn[name] === 'function') fn[name](arg);
        };
        $(this).each(function () {
            var t = $(this);
            t.css('opacity', 0);
            var img = new image();
            img.src = t.attr('src');
            var cover = t.attr('img-auto') == 'cover' || co ? true : false,
                _w = t.attr('width'),
                _h = t.attr('height'),
                box,
                i_w,
                i_h,
                b_w,
                b_h,
                t_w,
                t_h;
            if (_w && _h) {
                box = $('<div class="imgauto_box"></div>');
                box.css({
                    width: _w,
                    height: _h,
                    "text-align": 'left',
                    overflow: 'hidden'
                });
                t.wrapall(box);
            } else {
                box = t.parent();
            }
            function move() {
                if (img.width > 0 || img.height > 0) {
                    fncall('imgautostart', img);
                    t.css({ 'display': 'block', 'margin': 0 }).parent().css('overflow', 'hidden');
                    i_w = img.width; //原图宽
                    i_h = img.height; //原图高
                    b_w = box.width(); //父元素宽
                    b_h = box.height(); //父元素高
                    t_w = b_h / i_h * i_w; //实际显示的图片宽
                    t_h = b_w / i_w * i_h; //实际显示的图片高
                    if (i_w / i_h < b_w / b_h) {
                        if (cover) {
                            t.css({ 'width': '100%', 'height': 'auto' }).css('margin-top', -(t_h - b_h) / 2);
                        } else {
                            t.css({ 'width': 'auto', 'height': '100%' }).css('margin-left', (b_w - t_w) / 2);
                        }
                    } else {
                        if (cover) {
                            t.css({ 'width': 'auto', 'height': '100%' }).css('margin-left', -(t_w - b_w) / 2);
                        } else {
                            t.css({ 'width': '100%', 'height': 'auto' }).css('margin-top', (b_h - t_h) / 2);
                        }
                    }
                } else {
                    settimeout(move);
                }
                fncall('callback', img);
            }
            move();
            t.fadeto(2000, 1);
            var throttled = you.letter(move);
            $(window).resize(throttled);
        });
        return this;
    };
})(jquery, window, document, undefined);

you.rem(320);
$(window).resize(function () {
    you.rem(320);
});
//# sourcemappingurl=you.js.map
//# sourcemappingurl=you.js.map