/*
 * Snap.js
 *
 * Copyright 2013, Jacob Kelley - http://jakiestfu.com/
 * Released under the MIT Licence
 * http://opensource.org/licenses/MIT
 *
 * Github:  http://github.com/jakiestfu/Snap.js/
 * Version: 1.9.2
 */
(function (c, b) {
    var a = a || function (k) {
            var f = {
                element: null,
                dragger: null,
                disable: "none",
                addBodyClasses: true,
                hyperextensible: true,
                resistance: 0.5,
                flickThreshold: 50,
                transitionSpeed: 0.3,
                easing: "ease",
                maxPosition: 266,
                minPosition: -266,
                tapToClose: true,
                touchToDrag: true,
                slideIntent: 40,
                minDragDistance: 5
            }, e = {
                simpleStates: {
                    opening: null,
                    towards: null,
                    hyperExtending: null,
                    halfway: null,
                    flick: null,
                    translation: {absolute: 0, relative: 0, sinceDirectionChange: 0, percentage: 0}
                }
            }, h = {}, d = {
                hasTouch: (b.ontouchstart === null), eventType: function (m) {
                    var l = {
                        down: (d.hasTouch ? "touchstart" : "mousedown"),
                        move: (d.hasTouch ? "touchmove" : "mousemove"),
                        up: (d.hasTouch ? "touchend" : "mouseup"),
                        out: (d.hasTouch ? "touchcancel" : "mouseout")
                    };
                    return l[m]
                }, page: function (l, m) {
                    return (d.hasTouch && m.touches.length && m.touches[0]) ? m.touches[0]["page" + l] : m["page" + l]
                }, klass: {
                    has: function (m, l) {
                        return (m.className).indexOf(l) !== -1
                    }, add: function (m, l) {
                        if (!d.klass.has(m, l) && f.addBodyClasses) {
                            m.className += " " + l
                        }
                    }, remove: function (m, l) {
                        if (f.addBodyClasses) {
                            m.className = (m.className).replace(l, "").replace(/^\s+|\s+$/g, "")
                        }
                    }
                }, dispatchEvent: function (l) {
                    if (typeof h[l] === "function") {
                        return h[l].call()
                    }
                }, vendor: function () {
                    var m = b.createElement("div"), n = "webkit Moz O ms".split(" "), l;
                    for (l in n) {
                        if (typeof m.style[n[l] + "Transition"] !== "undefined") {
                            return n[l]
                        }
                    }
                }, transitionCallback: function () {
                    return (e.vendor === "Moz" || e.vendor === "ms") ? "transitionend" : e.vendor + "TransitionEnd"
                }, canTransform: function () {
                    return typeof f.element.style[e.vendor + "Transform"] !== "undefined"
                }, deepExtend: function (l, n) {
                    var m;
                    for (m in n) {
                        if (n[m] && n[m].constructor && n[m].constructor === Object) {
                            l[m] = l[m] || {};
                            d.deepExtend(l[m], n[m])
                        } else {
                            l[m] = n[m]
                        }
                    }
                    return l
                }, angleOfDrag: function (l, o) {
                    var n, m;
                    m = Math.atan2(-(e.startDragY - o), (e.startDragX - l));
                    if (m < 0) {
                        m += 2 * Math.PI
                    }
                    n = Math.floor(m * (180 / Math.PI) - 180);
                    if (n < 0 && n > -180) {
                        n = 360 - Math.abs(n)
                    }
                    return Math.abs(n)
                }, events: {
                    addEvent: function g(m, l, n) {
                        if (m.addEventListener) {
                            return m.addEventListener(l, n, false)
                        } else {
                            if (m.attachEvent) {
                                return m.attachEvent("on" + l, n)
                            }
                        }
                    }, removeEvent: function g(m, l, n) {
                        if (m.addEventListener) {
                            return m.removeEventListener(l, n, false)
                        } else {
                            if (m.attachEvent) {
                                return m.detachEvent("on" + l, n)
                            }
                        }
                    }, prevent: function (l) {
                        if (l.preventDefault) {
                            l.preventDefault()
                        } else {
                            l.returnValue = false
                        }
                    }
                }, parentUntil: function (n, l) {
                    var m = typeof l === "string";
                    while (n.parentNode) {
                        if (m && n.getAttribute && n.getAttribute(l)) {
                            return n
                        } else {
                            if (!m && n === l) {
                                return n
                            }
                        }
                        n = n.parentNode
                    }
                    return null
                }
            }, i = {
                translate: {
                    get: {
                        matrix: function (n) {
                            if (!d.canTransform()) {
                                return parseInt(f.element.style.left, 10)
                            } else {
                                var m = c.getComputedStyle(f.element)[e.vendor + "Transform"].match(/\((.*)\)/), l = 8;
                                if (m) {
                                    m = m[1].split(",");
                                    if (m.length === 16) {
                                        n += l
                                    }
                                    return parseInt(m[n], 10)
                                }
                                return 0
                            }
                        }
                    }, easeCallback: function () {
                        f.element.style[e.vendor + "Transition"] = "";
                        e.translation = i.translate.get.matrix(4);
                        e.easing = false;
                        clearInterval(e.animatingInterval);
                        if (e.easingTo === 0) {
                            d.klass.remove(b.body, "snapjs-right");
                            d.klass.remove(b.body, "snapjs-left")
                        }
                        d.dispatchEvent("animated");
                        d.events.removeEvent(f.element, d.transitionCallback(), i.translate.easeCallback)
                    }, easeTo: function (l) {
                        if (!d.canTransform()) {
                            e.translation = l;
                            i.translate.x(l)
                        } else {
                            e.easing = true;
                            e.easingTo = l;
                            f.element.style[e.vendor + "Transition"] = "all " + f.transitionSpeed + "s " + f.easing;
                            e.animatingInterval = setInterval(function () {
                                d.dispatchEvent("animating")
                            }, 1);
                            d.events.addEvent(f.element, d.transitionCallback(), i.translate.easeCallback);
                            i.translate.x(l)
                        }
                        if (l === 0) {
                            f.element.style[e.vendor + "Transform"] = ""
                        }
                    }, x: function (m) {
                        if ((f.disable === "left" && m > 0) || (f.disable === "right" && m < 0)) {
                            return
                        }
                        if (!f.hyperextensible) {
                            if (m === f.maxPosition || m > f.maxPosition) {
                                m = f.maxPosition
                            } else {
                                if (m === f.minPosition || m < f.minPosition) {
                                    m = f.minPosition
                                }
                            }
                        }
                        m = parseInt(m, 10);
                        if (isNaN(m)) {
                            m = 0
                        }
                        if (d.canTransform()) {
                            var l = "translate3d(" + m + "px, 0,0)";
                            f.element.style[e.vendor + "Transform"] = l
                        } else {
                            f.element.style.width = (c.innerWidth || b.documentElement.clientWidth) + "px";
                            f.element.style.left = m + "px";
                            f.element.style.right = ""
                        }
                    }
                }, drag: {
                    listen: function () {
                        e.translation = 0;
                        e.easing = false;
                        d.events.addEvent(f.element, d.eventType("down"), i.drag.startDrag);
                        d.events.addEvent(f.element, d.eventType("move"), i.drag.dragging);
                        d.events.addEvent(f.element, d.eventType("up"), i.drag.endDrag)
                    }, stopListening: function () {
                        d.events.removeEvent(f.element, d.eventType("down"), i.drag.startDrag);
                        d.events.removeEvent(f.element, d.eventType("move"), i.drag.dragging);
                        d.events.removeEvent(f.element, d.eventType("up"), i.drag.endDrag)
                    }, startDrag: function (n) {
                        var m = n.target ? n.target : n.srcElement, l = d.parentUntil(m, "data-snap-ignore");
                        if (l) {
                            d.dispatchEvent("ignore");
                            return
                        }
                        if (f.dragger) {
                            var o = d.parentUntil(m, f.dragger);
                            if (!o && (e.translation !== f.minPosition && e.translation !== f.maxPosition)) {
                                return
                            }
                        }
                        d.dispatchEvent("start");
                        f.element.style[e.vendor + "Transition"] = "";
                        e.isDragging = true;
                        e.hasIntent = null;
                        e.intentChecked = false;
                        e.startDragX = d.page("X", n);
                        e.startDragY = d.page("Y", n);
                        e.dragWatchers = {current: 0, last: 0, hold: 0, state: ""};
                        e.simpleStates = {
                            opening: null,
                            towards: null,
                            hyperExtending: null,
                            halfway: null,
                            flick: null,
                            translation: {absolute: 0, relative: 0, sinceDirectionChange: 0, percentage: 0}
                        }
                    }, dragging: function (s) {
                        if (e.isDragging && f.touchToDrag) {
                            var v = d.page("X", s), u = d.page("Y", s), t = e.translation, o = i.translate.get.matrix(4), n = v - e.startDragX, p = o > 0, q = n, w;
                            if ((e.intentChecked && !e.hasIntent)) {
                                return
                            }
                            if (f.addBodyClasses) {
                                if ((o) > 0) {
                                    d.klass.add(b.body, "snapjs-left");
                                    d.klass.remove(b.body, "snapjs-right")
                                } else {
                                    if ((o) < 0) {
                                        d.klass.add(b.body, "snapjs-right");
                                        d.klass.remove(b.body, "snapjs-left")
                                    }
                                }
                            }
                            if (e.hasIntent === false || e.hasIntent === null) {
                                var m = d.angleOfDrag(v, u), l = (m >= 0 && m <= f.slideIntent) || (m <= 360 && m > (360 - f.slideIntent)), r = (m >= 180 && m <= (180 + f.slideIntent)) || (m <= 180 && m >= (180 - f.slideIntent));
                                if (!r && !l) {
                                    e.hasIntent = false
                                } else {
                                    e.hasIntent = true
                                }
                                e.intentChecked = true
                            }
                            if ((f.minDragDistance >= Math.abs(v - e.startDragX)) || (e.hasIntent === false)) {
                                return
                            }
                            d.events.prevent(s);
                            d.dispatchEvent("drag");
                            e.dragWatchers.current = v;
                            if (e.dragWatchers.last > v) {
                                if (e.dragWatchers.state !== "left") {
                                    e.dragWatchers.state = "left";
                                    e.dragWatchers.hold = v
                                }
                                e.dragWatchers.last = v
                            } else {
                                if (e.dragWatchers.last < v) {
                                    if (e.dragWatchers.state !== "right") {
                                        e.dragWatchers.state = "right";
                                        e.dragWatchers.hold = v
                                    }
                                    e.dragWatchers.last = v
                                }
                            }
                            if (p) {
                                if (f.maxPosition < o) {
                                    w = (o - f.maxPosition) * f.resistance;
                                    q = n - w
                                }
                                e.simpleStates = {
                                    opening: "left",
                                    towards: e.dragWatchers.state,
                                    hyperExtending: f.maxPosition < o,
                                    halfway: o > (f.maxPosition / 2),
                                    flick: Math.abs(e.dragWatchers.current - e.dragWatchers.hold) > f.flickThreshold,
                                    translation: {
                                        absolute: o,
                                        relative: n,
                                        sinceDirectionChange: (e.dragWatchers.current - e.dragWatchers.hold),
                                        percentage: (o / f.maxPosition) * 100
                                    }
                                }
                            } else {
                                if (f.minPosition > o) {
                                    w = (o - f.minPosition) * f.resistance;
                                    q = n - w
                                }
                                e.simpleStates = {
                                    opening: "right",
                                    towards: e.dragWatchers.state,
                                    hyperExtending: f.minPosition > o,
                                    halfway: o < (f.minPosition / 2),
                                    flick: Math.abs(e.dragWatchers.current - e.dragWatchers.hold) > f.flickThreshold,
                                    translation: {
                                        absolute: o,
                                        relative: n,
                                        sinceDirectionChange: (e.dragWatchers.current - e.dragWatchers.hold),
                                        percentage: (o / f.minPosition) * 100
                                    }
                                }
                            }
                            i.translate.x(q + t)
                        }
                    }, endDrag: function (m) {
                        if (e.isDragging) {
                            d.dispatchEvent("end");
                            var l = i.translate.get.matrix(4);
                            if (e.dragWatchers.current === 0 && l !== 0 && f.tapToClose) {
                                d.dispatchEvent("close");
                                d.events.prevent(m);
                                i.translate.easeTo(0);
                                e.isDragging = false;
                                e.startDragX = 0;
                                return
                            }
                            if (e.simpleStates.opening === "left") {
                                if ((e.simpleStates.halfway || e.simpleStates.hyperExtending || e.simpleStates.flick)) {
                                    if (e.simpleStates.flick && e.simpleStates.towards === "left") {
                                        i.translate.easeTo(0)
                                    } else {
                                        if ((e.simpleStates.flick && e.simpleStates.towards === "right") || (e.simpleStates.halfway || e.simpleStates.hyperExtending)) {
                                            i.translate.easeTo(f.maxPosition)
                                        }
                                    }
                                } else {
                                    i.translate.easeTo(0)
                                }
                            } else {
                                if (e.simpleStates.opening === "right") {
                                    if ((e.simpleStates.halfway || e.simpleStates.hyperExtending || e.simpleStates.flick)) {
                                        if (e.simpleStates.flick && e.simpleStates.towards === "right") {
                                            i.translate.easeTo(0)
                                        } else {
                                            if ((e.simpleStates.flick && e.simpleStates.towards === "left") || (e.simpleStates.halfway || e.simpleStates.hyperExtending)) {
                                                i.translate.easeTo(f.minPosition)
                                            }
                                        }
                                    } else {
                                        i.translate.easeTo(0)
                                    }
                                }
                            }
                            e.isDragging = false;
                            e.startDragX = d.page("X", m)
                        }
                    }
                }
            }, j = function (l) {
                if (l.element) {
                    d.deepExtend(f, l);
                    e.vendor = d.vendor();
                    i.drag.listen()
                }
            };
            this.open = function (l) {
                d.dispatchEvent("open");
                d.klass.remove(b.body, "snapjs-expand-left");
                d.klass.remove(b.body, "snapjs-expand-right");
                if (l === "left") {
                    e.simpleStates.opening = "left";
                    e.simpleStates.towards = "right";
                    d.klass.add(b.body, "snapjs-left");
                    d.klass.remove(b.body, "snapjs-right");
                    i.translate.easeTo(f.maxPosition)
                } else {
                    if (l === "right") {
                        e.simpleStates.opening = "right";
                        e.simpleStates.towards = "left";
                        d.klass.remove(b.body, "snapjs-left");
                        d.klass.add(b.body, "snapjs-right");
                        i.translate.easeTo(f.minPosition)
                    }
                }
            };
            this.close = function () {
                d.dispatchEvent("close");
                i.translate.easeTo(0)
            };
            this.expand = function (l) {
                var m = c.innerWidth || b.documentElement.clientWidth;
                if (l === "left") {
                    d.dispatchEvent("expandLeft");
                    d.klass.add(b.body, "snapjs-expand-left");
                    d.klass.remove(b.body, "snapjs-expand-right")
                } else {
                    d.dispatchEvent("expandRight");
                    d.klass.add(b.body, "snapjs-expand-right");
                    d.klass.remove(b.body, "snapjs-expand-left");
                    m *= -1
                }
                i.translate.easeTo(m)
            };
            this.on = function (l, m) {
                h[l] = m;
                return this
            };
            this.off = function (l) {
                if (h[l]) {
                    h[l] = false
                }
            };
            this.enable = function () {
                d.dispatchEvent("enable");
                i.drag.listen()
            };
            this.disable = function () {
                d.dispatchEvent("disable");
                i.drag.stopListening()
            };
            this.settings = function (l) {
                d.deepExtend(f, l)
            };
            this.state = function () {
                var l, m = i.translate.get.matrix(4);
                if (m === f.maxPosition) {
                    l = "left"
                } else {
                    if (m === f.minPosition) {
                        l = "right"
                    } else {
                        l = "closed"
                    }
                }
                return {state: l, info: e.simpleStates}
            };
            j(k)
        };
    if ((typeof module !== "undefined") && module.exports) {
        module.exports = a
    }
    if (typeof ender === "undefined") {
        this.Snap = a
    }
    if ((typeof define === "function") && define.amd) {
        define("snap", [], function () {
            return a
        })
    }
}).call(this, window, document);