/*! touchjs.min v0.2.14  2014-08-05 */
"use strict";
! function(a, b) {
	"function" == typeof define && (define.amd || define.cmd) ? define(b) : a.touch = b()
}(this, function() {
	function a() {
		var a = "mouseup mousedown mousemove mouseout",
			c = "touchstart touchmove touchend touchcancel",
			d = b.hasTouch ? c : a;
		d.split(" ").forEach(function(a) {
			document.addEventListener(a, A, !1)
		})
	}
	var b = {};
	b.PCevts = {
		touchstart: "mousedown",
		touchmove: "mousemove",
		touchend: "mouseup",
		touchcancel: "mouseout"
	}, b.hasTouch = "ontouchstart" in window, b.getType = function(a) {
		return Object.prototype.toString.call(a).match(/\s([a-z|A-Z]+)/)[1].toLowerCase()
	}, b.getSelector = function(a) {
		if (a.id) return "#" + a.id;
		if (a.className) {
			var b = a.className.split(/\s+/);
			return "." + b.join(".")
		}
		return a === document ? "body" : a.tagName.toLowerCase()
	}, b.matchSelector = function(a, b) {
		return a.webkitMatchesSelector(b)
	}, b.getEventListeners = function(a) {
		return a.listeners
	}, b.getPCevts = function(a) {
		return this.PCevts[a] || a
	}, b.forceReflow = function() {
		var a = "reflowDivBlock",
			b = document.getElementById(a);
		b || (b = document.createElement("div"), b.id = a, document.body.appendChild(b));
		var c = b.parentNode,
			d = b.nextSibling;
		c.removeChild(b), c.insertBefore(b, d)
	}, b.simpleClone = function(a) {
		return Object.create(a)
	}, b.getPosOfEvent = function(a) {
		if (this.hasTouch) {
			for (var b = [], c = null, d = 0, e = a.touches.length; e > d; d++) c = a.touches[d], b.push({
				x: c.pageX,
				y: c.pageY
			});
			return b
		}
		return [{
			x: a.pageX,
			y: a.pageY
		}]
	}, b.getDistance = function(a, b) {
		var c = b.x - a.x,
			d = b.y - a.y;
		return Math.sqrt(c * c + d * d)
	}, b.getFingers = function(a) {
		return a.touches ? a.touches.length : 1
	}, b.calScale = function(a, b) {
		if (a.length >= 2 && b.length >= 2) {
			var c = this.getDistance(a[1], a[0]),
				d = this.getDistance(b[1], b[0]);
			return d / c
		}
		return 1
	}, b.getAngle = function(a, b) {
		return 180 * Math.atan2(b.y - a.y, b.x - a.x) / Math.PI
	}, b.getAngle180 = function(a, b) {
		var c = Math.atan(-1 * (b.y - a.y) / (b.x - a.x)) * (180 / Math.PI);
		return 0 > c ? c + 180 : c
	}, b.getDirectionFromAngle = function(a) {
		var b = {
			up: -45 > a && a > -135,
			down: a >= 45 && 135 > a,
			left: a >= 135 || -135 >= a,
			right: a >= -45 && 45 >= a
		};
		for (var c in b)
			if (b[c]) return c;
		return null
	}, b.getXYByElement = function(a) {
		for (var b = 0, c = 0; a.offsetParent;) b += a.offsetLeft, c += a.offsetTop, a = a.offsetParent;
		return {
			left: b,
			top: c
		}
	}, b.reset = function() {
		h = i = j = null, q = o = k = l = !1, m = !1, f = {}, t = !1
	}, b.isTouchMove = function(a) {
		return "touchmove" === a.type || "mousemove" === a.type
	}, b.isTouchEnd = function(a) {
		return "touchend" === a.type || "mouseup" === a.type || "touchcancel" === a.type
	}, b.env = function() {
		var a = {},
			b = navigator.userAgent,
			c = b.match(/(Android)[\s\/]+([\d\.]+)/),
			d = b.match(/(iPad|iPhone|iPod)\s+OS\s([\d_\.]+)/),
			e = b.match(/(Windows\s+Phone)\s([\d\.]+)/),
			f = /WebKit\/[\d.]+/i.test(b),
			g = d ? navigator.standalone ? f : /Safari/i.test(b) && !/CriOS/i.test(b) && !/MQQBrowser/i.test(b) : !1;
		return c && (a.android = !0, a.version = c[2]), d && (a.ios = !0, a.version = d[2].replace(/_/g, "."), a.ios7 = /^7/.test(a.version), "iPad" === d[1] ? a.ipad = !0 : "iPhone" === d[1] ? (a.iphone = !0, a.iphone5 = 568 == screen.height) : "iPod" === d[1] && (a.ipod = !0)), e && (a.wp = !0, a.version = e[2], a.wp8 = /^8/.test(a.version)), f && (a.webkit = !0), g && (a.safari = !0), a
	}();
	var c = {
			proxyid: 0,
			proxies: [],
			trigger: function(a, b, c) {
				c = c || {};
				var d, e = {
					bubbles: !0,
					cancelable: !0,
					detail: c
				};
				try {
					"undefined" != typeof CustomEvent ? (d = new CustomEvent(b, e), a && a.dispatchEvent(d)) : (d = document.createEvent("CustomEvent"), d.initCustomEvent(b, !0, !0, c), a && a.dispatchEvent(d))
				} catch (f) {
					console.warn("Touch.js is not supported by environment.")
				}
			},
			bind: function(a, c, d) {
				a.listeners = a.listeners || {}, a.listeners[c] ? a.listeners[c].push(d) : a.listeners[c] = [d];
				var e = function(a) {
					b.env.ios7 && b.forceReflow(), a.originEvent = a;
					for (var c in a.detail) "type" !== c && (a[c] = a.detail[c]);
					a.startRotate = function() {
						t = !0
					};
					var e = d.call(a.target, a);
					"undefined" == typeof e || e || (a.stopPropagation(), a.preventDefault())
				};
				d.proxy = d.proxy || {}, d.proxy[c] ? d.proxy[c].push(this.proxyid++) : d.proxy[c] = [this.proxyid++], this.proxies.push(e), a.addEventListener && a.addEventListener(c, e, !1)
			},
			unbind: function(a, b, c) {
				if (c) {
					var d = c.proxy[b];
					d && d.length && d.forEach(function() {
						a.removeEventListener && a.removeEventListener(b, this.proxies[this.proxyid], !1)
					})
				} else {
					var e = a.listeners[b];
					e && e.length && e.forEach(function(c) {
						a.removeEventListener(b, c, !1)
					})
				}
			},
			delegate: function(a, c, d, e) {
				var f = function(c) {
					var f, g;
					c.originEvent = c;
					for (var h in c.detail) "type" !== h && (c[h] = c.detail[h]);
					c.startRotate = function() {
						t = !0
					};
					var i = b.getSelector(a) + " " + d,
						j = b.matchSelector(c.target, i),
						k = b.matchSelector(c.target, i + " " + c.target.nodeName);
					if (!j && k) {
						for (b.env.ios7 && b.forceReflow(), f = c.target; !b.matchSelector(f, i);) f = f.parentNode;
						g = e.call(c.target, c), "undefined" == typeof g || g || (c.stopPropagation(), c.preventDefault())
					} else b.env.ios7 && b.forceReflow(), (j || k) && (g = e.call(c.target, c), "undefined" == typeof g || g || (c.stopPropagation(), c.preventDefault()))
				};
				e.proxy = e.proxy || {}, e.proxy[c] ? e.proxy[c].push(this.proxyid++) : e.proxy[c] = [this.proxyid++], this.proxies.push(f), a.listeners = a.listeners || {}, a.listeners[c] ? a.listeners[c].push(f) : a.listeners[c] = [f], a.addEventListener && a.addEventListener(c, f, !1)
			},
			undelegate: function(a, b, c, d) {
				if (d) {
					var e = d.proxy[b];
					e.length && e.forEach(function() {
						a.removeEventListener && a.removeEventListener(b, this.proxies[this.proxyid], !1)
					})
				} else {
					var f = a.listeners[b];
					f.forEach(function(c) {
						a.removeEventListener(b, c, !1)
					})
				}
			}
		},
		d = {
			tap: !0,
			doubleTap: !0,
			tapMaxDistance: 10,
			hold: !0,
			tapTime: 200,
			holdTime: 650,
			maxDoubleTapInterval: 300,
			swipe: !0,
			swipeTime: 300,
			swipeMinDistance: 18,
			swipeFactor: 5,
			drag: !0,
			pinch: !0,
			minScaleRate: 0,
			minRotationAngle: 0
		},
		e = {
			TOUCH_START: "touchstart",
			TOUCH_MOVE: "touchmove",
			TOUCH_END: "touchend",
			TOUCH_CANCEL: "touchcancel",
			MOUSE_DOWN: "mousedown",
			MOUSE_MOVE: "mousemove",
			MOUSE_UP: "mouseup",
			CLICK: "click",
			PINCH_START: "pinchstart",
			PINCH_END: "pinchend",
			PINCH: "pinch",
			PINCH_IN: "pinchin",
			PINCH_OUT: "pinchout",
			ROTATION_LEFT: "rotateleft",
			ROTATION_RIGHT: "rotateright",
			ROTATION: "rotate",
			SWIPE_START: "swipestart",
			SWIPING: "swiping",
			SWIPE_END: "swipeend",
			SWIPE_LEFT: "swipeleft",
			SWIPE_RIGHT: "swiperight",
			SWIPE_UP: "swipeup",
			SWIPE_DOWN: "swipedown",
			SWIPE: "swipe",
			DRAG: "drag",
			DRAGSTART: "dragstart",
			DRAGEND: "dragend",
			HOLD: "hold",
			TAP: "tap",
			DOUBLE_TAP: "doubletap"
		},
		f = {
			start: null,
			move: null,
			end: null
		},
		g = 0,
		h = null,
		i = null,
		j = null,
		k = !1,
		l = !1,
		m = !1,
		n = {},
		o = !1,
		p = null,
		q = !1,
		r = null,
		s = 1,
		t = !1,
		u = [],
		v = 0,
		w = 0,
		x = 0,
		y = null,
		z = {
			getAngleDiff: function(a) {
				for (var c = parseInt(v - b.getAngle180(a[0], a[1]), 10), d = 0; Math.abs(c - w) > 90 && d++ < 50;) 0 > w ? c -= 180 : c += 180;
				return w = parseInt(c, 10)
			},
			pinch: function(a) {
				var g = a.target;
				if (d.pinch) {
					if (!o) return;
					if (b.getFingers(a) < 2 && !b.isTouchEnd(a)) return;
					var h = b.calScale(f.start, f.move),
						i = this.getAngleDiff(f.move),
						j = {
							type: "",
							originEvent: a,
							scale: h,
							rotation: i,
							direction: i > 0 ? "right" : "left",
							fingersCount: b.getFingers(a)
						};
					if (l ? b.isTouchMove(a) ? (j.fingerStatus = "move", c.trigger(g, e.PINCH, j)) : b.isTouchEnd(a) && (j.fingerStatus = "end", c.trigger(g, e.PINCH_END, j), b.reset()) : (l = !0, j.fingerStatus = "start", c.trigger(g, e.PINCH_START, j)), Math.abs(1 - h) > d.minScaleRate) {
						var k = b.simpleClone(j),
							m = 1e-11;
						h > s ? (s = h - m, c.trigger(g, e.PINCH_OUT, k, !1)) : s > h && (s = h + m, c.trigger(g, e.PINCH_IN, k, !1)), b.isTouchEnd(a) && (s = 1)
					}
					if (Math.abs(i) > d.minRotationAngle) {
						var n, p = b.simpleClone(j);
						n = i > 0 ? e.ROTATION_RIGHT : e.ROTATION_LEFT, c.trigger(g, n, p, !1), c.trigger(g, e.ROTATION, j)
					}
				}
			},
			rotateSingleFinger: function(a) {
				var d = a.target;
				if (t && b.getFingers(a) < 2) {
					if (!f.move) return;
					if (u.length < 2) {
						var g = b.getXYByElement(d);
						u = [{
							x: g.left + d.offsetWidth / 2,
							y: g.top + d.offsetHeight / 2
						}, f.move[0]], v = parseInt(b.getAngle180(u[0], u[1]), 10)
					}
					var h = [u[0], f.move[0]],
						i = this.getAngleDiff(h),
						j = {
							type: "",
							originEvent: a,
							rotation: i,
							direction: i > 0 ? "right" : "left",
							fingersCount: b.getFingers(a)
						};
					b.isTouchMove(a) ? j.fingerStatus = "move" : (b.isTouchEnd(a) || "mouseout" === a.type) && (j.fingerStatus = "end", c.trigger(d, e.PINCH_END, j), b.reset());
					var k = i > 0 ? e.ROTATION_RIGHT : e.ROTATION_LEFT;
					c.trigger(d, k, j), c.trigger(d, e.ROTATION, j)
				}
			},
			swipe: function(a) {
				var h = a.target;
				if (o && f.move && !(b.getFingers(a) > 1)) {
					var i = Date.now(),
						j = i - g,
						l = b.getDistance(f.start[0], f.move[0]),
						p = {
							x: f.move[0].x - n.left,
							y: f.move[0].y - n.top
						},
						q = b.getAngle(f.start[0], f.move[0]),
						r = b.getDirectionFromAngle(q),
						s = j / 1e3,
						t = 10 * (10 - d.swipeFactor) * s * s,
						u = {
							type: e.SWIPE,
							originEvent: a,
							position: p,
							direction: r,
							distance: l,
							distanceX: f.move[0].x - f.start[0].x,
							distanceY: f.move[0].y - f.start[0].y,
							x: f.move[0].x - f.start[0].x,
							y: f.move[0].y - f.start[0].y,
							angle: q,
							duration: j,
							fingersCount: b.getFingers(a),
							factor: t
						};
					if (d.swipe) {
						var v = function() {
							var a = e;
							switch (r) {
								case "up":
									c.trigger(h, a.SWIPE_UP, u);
									break;
								case "down":
									c.trigger(h, a.SWIPE_DOWN, u);
									break;
								case "left":
									c.trigger(h, a.SWIPE_LEFT, u);
									break;
								case "right":
									c.trigger(h, a.SWIPE_RIGHT, u)
							}
						};
						k ? b.isTouchMove(a) ? (u.fingerStatus = u.swipe = "move", c.trigger(h, e.SWIPING, u), j > d.swipeTime && j < d.swipeTime + 50 && l > d.swipeMinDistance && (v(), c.trigger(h, e.SWIPE, u, !1))) : (b.isTouchEnd(a) || "mouseout" === a.type) && (u.fingerStatus = u.swipe = "end", c.trigger(h, e.SWIPE_END, u), d.swipeTime > j && l > d.swipeMinDistance && (v(), c.trigger(h, e.SWIPE, u, !1))) : (u.fingerStatus = u.swipe = "start", k = !0, c.trigger(h, e.SWIPE_START, u))
					}
					d.drag && (m ? b.isTouchMove(a) ? (u.fingerStatus = u.swipe = "move", c.trigger(h, e.DRAG, u)) : b.isTouchEnd(a) && (u.fingerStatus = u.swipe = "end", c.trigger(h, e.DRAGEND, u)) : (u.fingerStatus = u.swipe = "start", m = !0, c.trigger(h, e.DRAGSTART, u)))
				}
			},
			tap: function(a) {
				var h = a.target;
				if (d.tap) {
					var i = Date.now(),
						j = i - g,
						k = b.getDistance(f.start[0], f.move ? f.move[0] : f.start[0]);
					clearTimeout(p);
					var l = function() {
						if (y && d.doubleTap && g - x < d.maxDoubleTapInterval) {
							var a = b.getDistance(y, f.start[0]);
							if (16 > a) return !0
						}
						return !1
					}();
					if (l) return clearTimeout(r), void c.trigger(h, e.DOUBLE_TAP, {
						type: e.DOUBLE_TAP,
						originEvent: a,
						position: f.start[0]
					});
					if (d.tapMaxDistance < k) return;
					d.holdTime > j && b.getFingers(a) <= 1 && (q = !0, x = i, y = f.start[0], r = setTimeout(function() {
						c.trigger(h, e.TAP, {
							type: e.TAP,
							originEvent: a,
							fingersCount: b.getFingers(a),
							position: y
						})
					}, d.tapTime))
				}
			},
			hold: function(a) {
				var e = a.target;
				d.hold && (clearTimeout(p), p = setTimeout(function() {
					if (f.start) {
						var g = b.getDistance(f.start[0], f.move ? f.move[0] : f.start[0]);
						d.tapMaxDistance < g || q || c.trigger(e, "hold", {
							type: "hold",
							originEvent: a,
							fingersCount: b.getFingers(a),
							position: f.start[0]
						})
					}
				}, d.holdTime))
			}
		},
		A = function(a) {
			var c = a.target;
			switch (a.type) {
				case "touchstart":
				case "mousedown":
					u = [], o = !0, (!f.start || f.start.length < 2) && (f.start = b.getPosOfEvent(a)), b.getFingers(a) >= 2 && (v = parseInt(b.getAngle180(f.start[0], f.start[1]), 10)), g = Date.now(), h = a, n = {};
					var d = c.getBoundingClientRect(),
						e = document.documentElement;
					n = {
						top: d.top + (window.pageYOffset || e.scrollTop) - (e.clientTop || 0),
						left: d.left + (window.pageXOffset || e.scrollLeft) - (e.clientLeft || 0)
					}, z.hold(a);
					break;
				case "touchmove":
				case "mousemove":
					if (!o || !f.start) return;
					f.move = b.getPosOfEvent(a), b.getFingers(a) >= 2 ? z.pinch(a) : t ? z.rotateSingleFinger(a) : z.swipe(a);
					break;
				case "touchend":
				case "touchcancel":
				case "mouseup":
				case "mouseout":
					if (!o) return;
					j = a, l ? z.pinch(a) : t ? z.rotateSingleFinger(a) : k ? z.swipe(a) : z.tap(a), b.reset(), v = 0, w = 0, a.touches && 1 === a.touches.length && (o = !0, t = !0)
			}
		},
		B = function() {
			function a(a) {
				b.hasTouch || (a = b.getPCevts(a)), j.forEach(function(b) {
					c.delegate(b, a, h, g[a])
				})
			}

			function d(a) {
				b.hasTouch || (a = b.getPCevts(a)), j.forEach(function(b) {
					c.bind(b, a, g[a])
				})
			}
			var e, f, g, h, i = arguments;
			if (i.length < 2 || i > 4) return console.error("unexpected arguments!");
			var j = "string" === b.getType(i[0]) ? document.querySelectorAll(i[0]) : i[0];
			if (j = j.length ? Array.prototype.slice.call(j) : [j], 3 === i.length && "string" === b.getType(i[1])) return e = i[1].split(" "), f = i[2], void e.forEach(function(a) {
				b.hasTouch || (a = b.getPCevts(a)), j.forEach(function(b) {
					c.bind(b, a, f)
				})
			});
			if (3 !== i.length || "object" !== b.getType(i[1]))
				if (2 !== i.length || "object" !== b.getType(i[1])) {
					if (4 === i.length && "object" === b.getType(i[2])) return e = i[1].split(" "), f = i[3], void e.forEach(function(a) {
						b.hasTouch || (a = b.getPCevts(a)), j.forEach(function(b) {
							c.bind(b, a, f)
						})
					});
					if (4 === i.length) {
						var k = j[0];
						return e = i[1].split(" "), h = i[2], f = i[3], void e.forEach(function(a) {
							b.hasTouch || (a = b.getPCevts(a)), c.delegate(k, a, h, f)
						})
					}
				} else {
					g = i[1];
					for (var l in g) d(l)
				} else {
				g = i[1], h = i[2];
				for (var m in g) a(m)
			}
		},
		C = function() {
			var a, d, e = arguments;
			if (e.length < 1 || e.length > 4) return console.error("unexpected arguments!");
			var f = "string" === b.getType(e[0]) ? document.querySelectorAll(e[0]) : e[0];
			if (f = f.length ? Array.prototype.slice.call(f) : [f], 1 === e.length || 2 === e.length) return void f.forEach(function(d) {
				a = e[1] ? e[1].split(" ") : Object.keys(d.listeners), a.length && a.forEach(function(a) {
					b.hasTouch || (a = b.getPCevts(a)), c.unbind(d, a), c.undelegate(d, a)
				})
			});
			if (3 === e.length && "function" === b.getType(e[2])) return d = e[2], void f.forEach(function(f) {
				a = e[1].split(" "), a.forEach(function(a) {
					b.hasTouch || (a = b.getPCevts(a)), c.unbind(f, a, d)
				})
			});
			if (3 === e.length && "string" === b.getType(e[2])) {
				var g = e[2];
				return void f.forEach(function(d) {
					a = e[1].split(" "), a.forEach(function(a) {
						b.hasTouch || (a = b.getPCevts(a)), c.undelegate(d, a, g)
					})
				})
			}
			return 4 === e.length ? (d = e[3], void f.forEach(function(f) {
				a = e[1].split(" "), a.forEach(function(a) {
					b.hasTouch || (a = b.getPCevts(a)), c.undelegate(f, a, g, d)
				})
			})) : void 0
		},
		D = function(a, d, e) {
			var f = arguments;
			b.hasTouch || (d = b.getPCevts(d));
			var g = "string" === b.getType(f[0]) ? document.querySelectorAll(f[0]) : f[0];
			g = g.length ? Array.prototype.call(g) : [g], g.forEach(function(a) {
				c.trigger(a, d, e)
			})
		};
	a();
	var E = {};
	return E.on = E.bind = E.live = B, E.off = E.unbind = E.die = C, E.config = d, E.trigger = D, E
});