framebuster.js

! function() {
    function t(t) {
        t = t || {}, t.marginTop = t.marginTop || t.margin || 0, t.marginBottom = t.marginBottom || t.margin || 0;
        var e = r(o),
            n = r("#stalker"),
            l = e.scrollTop(),
            a = e.height(),
            s = Math.max(0, i(this[0]) - t.marginTop),
            h = t.marginTop + this.outerHeight() + t.marginBottom,
            c = l;
        if (c + a < s + h && (c = s + h - a), 0 !== n.length) {
            var g = this[0],
                p = null;
            do {
                "absolute" === r(g).css("position") && (p = g)
            } while (g = g.offsetParent);
            p && i(p) > i(n[0]) && (s -= n.outerHeight())
        }
        return c > s && (c = s), c
    }

    function i(t) {
        var i = t,
            o = 0;
        do {
            o += i.offsetTop
        } while (i = i.offsetParent);
        i = t;
        do {
            i && i.scrollTop && (o -= i.scrollTop), i = i.parentNode
        } while (i && i != document.body);
        return o
    }
    var o = require("jira/util/top-same-origin-window")(window),
        r = o.jQuery;
    window.jQuery.fn.scrollIntoView = function(i) {
        if (0 === this.length) return this;
        var e = this.hasFixedParent();
        if (e) {
            var n = r(this),
                l = r(e),
                a = l.outerHeight(),
                s = l.scrollTop(),
                h = s + a,
                c = n.position(),
                g = c.top + n.height(),
                p = g + s > h,
                u = c.top < 0;
            p ? l.scrollTop(s + g - a) : u && l.scrollTop(s + c.top)
        } else {
            if (i = i || {}, !this.is(":visible") && i.callback) return i.callback(), this;
            var f = r(o).scrollTop(),
                d = t.call(this, i),
                m = r("#stalker");
            if (d !== f) {
                var T = this,
                    v = r(o.document);
                v.trigger("moveToStarted", T), i.duration ? v.find("body, html").stop(!0).animate({
                    scrollTop: d
                }, i.duration, "swing", function() {
                    i.callback && i.callback(), v.trigger("moveToFinished", T), m.trigger("positionChanged")
                }) : v.find("body, html").prop("scrollTop", d)
            } else i.callback && i.callback()
        }
        return this
        // r is undefined here
    }, r.fn.isInView = function(i) {
        if (this.length > 0 && !this.hasFixedParent()) {
            i = i || {};
            var e = r(o).scrollTop();
            return t.call(this, i) === e
        }
        return this
    }
}();;