gdsm/lib/jquery/mousewheel.min.js

/*!
 * jQuery Mousewheel 3.1.13
 *
 * Copyright 2015 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */
! function (a) {
    "function" == typeof define && define.amd ? define(["jquery"], a) : "object" == typeof exports ? module.exports = a : a(jQuery)
}(function (a) {
    function b(b) {
        var g = b || window.event,
            h = i.call(arguments, 1),
            j = 0,
            l = 0,
            m = 0,
            n = 0,
            o = 0,
            p = 0;
        if (b = a.event.fix(g), b.type = "mousewheel", "detail" in g && (m = -1 * g.detail), "wheelDelta" in g && (m = g.wheelDelta), "wheelDeltaY" in g && (m = g.wheelDeltaY), "wheelDeltaX" in g && (l = -1 * g.wheelDeltaX), "axis" in g && g.axis === g.HORIZONTAL_AXIS && (l = -1 * m, m = 0), j = 0 === m ? l : m, "deltaY" in g && (m = -1 * g.deltaY, j = m), "deltaX" in g && (l = g.deltaX, 0 === m && (j = -1 * l)), 0 !== m || 0 !== l) {
            if (1 === g.deltaMode) {
                var q = a.data(this, "mousewheel-line-height");
                j *= q, m *= q, l *= q
            } else if (2 === g.deltaMode) {
                var r = a.data(this, "mousewheel-page-height");
                j *= r, m *= r, l *= r
            }
            if (n = Math.max(Math.abs(m), Math.abs(l)), (!f || f > n) && (f = n, d(g, n) && (f /= 40)), d(g, n) && (j /= 40, l /= 40, m /= 40), j = Math[j >= 1 ? "floor" : "ceil"](j / f), l = Math[l >= 1 ? "floor" : "ceil"](l / f), m = Math[m >= 1 ? "floor" : "ceil"](m / f), k.settings.normalizeOffset && this.getBoundingClientRect) {
                var s = this.getBoundingClientRect();
                o = b.clientX - s.left, p = b.clientY - s.top
            }
            return b.deltaX = l, b.deltaY = m, b.deltaFactor = f, b.offsetX = o, b.offsetY = p, b.deltaMode = 0, h.unshift(b, j, l, m), e && clearTimeout(e), e = setTimeout(c, 200), (a.event.dispatch || a.event.handle).apply(this, h)
        }
    }

    function c() {
        f = null
    }

    function d(a, b) {
        return k.settings.adjustOldDeltas && "mousewheel" === a.type && b % 120 === 0
    }
    var e, f, g = ["wheel", "mousewheel", "DOMMouseScroll", "MozMousePixelScroll"],
        h = "onwheel" in document || document.documentMode >= 9 ? ["wheel"] : ["mousewheel", "DomMouseScroll", "MozMousePixelScroll"],
        i = Array.prototype.slice;
    if (a.event.fixHooks)
        for (var j = g.length; j;) a.event.fixHooks[g[--j]] = a.event.mouseHooks;
    var k = a.event.special.mousewheel = {
        version: "3.1.12",
        setup: function () {
            if (this.addEventListener)
                for (var c = h.length; c;) this.addEventListener(h[--c], b, !1);
            else this.onmousewheel = b;
            a.data(this, "mousewheel-line-height", k.getLineHeight(this)), a.data(this, "mousewheel-page-height", k.getPageHeight(this))
        },
        teardown: function () {
            if (this.removeEventListener)
                for (var c = h.length; c;) this.removeEventListener(h[--c], b, !1);
            else this.onmousewheel = null;
            a.removeData(this, "mousewheel-line-height"), a.removeData(this, "mousewheel-page-height")
        },
        getLineHeight: function (b) {
            var c = a(b),
                d = c["offsetParent" in a.fn ? "offsetParent" : "parent"]();
            return d.length || (d = a("body")), parseInt(d.css("fontSize"), 10) || parseInt(c.css("fontSize"), 10) || 16
        },
        getPageHeight: function (b) {
            return a(b).height()
        },
        settings: {
            adjustOldDeltas: !0,
            normalizeOffset: !0
        }
    };
    a.fn.extend({
        mousewheel: function (a) {
            return a ? this.bind("mousewheel", a) : this.trigger("mousewheel")
        },
        unmousewheel: function (a) {
            return this.unbind("mousewheel", a)
        }
    })
});