zx_bms_uni/miniprogram_npm/hammerjs/index.js

module.exports = function () {
  var __MODS__ = {};
  var __DEFINE__ = function (modId, func, req) {
    var m = {
      exports: {}
    };
    __MODS__[modId] = {
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      func: func,
      req: req,
      m: m
    };
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      var m = {
        exports: {}
      };
      __MODS__[modId].status = 1;
      __MODS__[modId].func(__MODS__[modId].req, m, m.exports);
      if (typeof m.exports === "object") {
        Object.keys(m.exports).forEach(function (k) {
          __MODS__[modId].m.exports[k] = m.exports[k];
        });
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          value: true
        });
      } else {
        __MODS__[modId].m.exports = m.exports;
      }
    }
    return __MODS__[modId].m.exports;
  };
  var __REQUIRE_WILDCARD__ = function (obj) {
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  var __REQUIRE_DEFAULT__ = function (obj) {
    return obj && obj.__esModule ? obj.default : obj;
  };
  __DEFINE__(1558102466022, function (require, module, exports) {
    /*! Hammer.JS - v2.0.7 - 2016-04-22
     * http://hammerjs.github.io/
     *
     * Copyright (c) 2016 Jorik Tangelder;
     * Licensed under the MIT license */
    (function (window, document, exportName, undefined) {
      var VENDOR_PREFIXES = ['', 'webkit', 'Moz', 'MS', 'ms', 'o'];
      var TEST_ELEMENT = document.createElement('div');
      var TYPE_FUNCTION = 'function';
      var round = Math.round;
      var abs = Math.abs;
      var now = Date.now;

      /**
       * set a timeout with a given scope
       * @param {Function} fn
       * @param {Number} timeout
       * @param {Object} context
       * @returns {number}
       */
      function setTimeoutContext(fn, timeout, context) {
        return setTimeout(bindFn(fn, context), timeout);
      }

      /**
       * if the argument is an array, we want to execute the fn on each entry
       * if it aint an array we don't want to do a thing.
       * this is used by all the methods that accept a single and array argument.
       * @param {*|Array} arg
       * @param {String} fn
       * @param {Object} [context]
       * @returns {Boolean}
       */
      function invokeArrayArg(arg, fn, context) {
        if (Array.isArray(arg)) {
          each(arg, context[fn], context);
          return true;
        }
        return false;
      }

      /**
       * walk objects and arrays
       * @param {Object} obj
       * @param {Function} iterator
       * @param {Object} context
       */
      function each(obj, iterator, context) {
        var i;
        if (!obj) {
          return;
        }
        if (obj.forEach) {
          obj.forEach(iterator, context);
        } else if (obj.length !== undefined) {
          i = 0;
          while (i < obj.length) {
            iterator.call(context, obj[i], i, obj);
            i++;
          }
        } else {
          for (i in obj) {
            obj.hasOwnProperty(i) && iterator.call(context, obj[i], i, obj);
          }
        }
      }

      /**
       * wrap a method with a deprecation warning and stack trace
       * @param {Function} method
       * @param {String} name
       * @param {String} message
       * @returns {Function} A new function wrapping the supplied method.
       */
      function deprecate(method, name, message) {
        var deprecationMessage = 'DEPRECATED METHOD: ' + name + '\n' + message + ' AT \n';
        return function () {
          var e = new Error('get-stack-trace');
          var stack = e && e.stack ? e.stack.replace(/^[^\(]+?[\n$]/gm, '').replace(/^\s+at\s+/gm, '').replace(/^Object.<anonymous>\s*\(/gm, '{anonymous}()@') : 'Unknown Stack Trace';
          var log = window.console && (window.console.warn || window.console.log);
          if (log) {
            log.call(window.console, deprecationMessage, stack);
          }
          return method.apply(this, arguments);
        };
      }

      /**
       * extend object.
       * means that properties in dest will be overwritten by the ones in src.
       * @param {Object} target
       * @param {...Object} objects_to_assign
       * @returns {Object} target
       */
      var assign;
      if (typeof Object.assign !== 'function') {
        assign = function assign(target) {
          if (target === undefined || target === null) {
            throw new TypeError('Cannot convert undefined or null to object');
          }
          var output = Object(target);
          for (var index = 1; index < arguments.length; index++) {
            var source = arguments[index];
            if (source !== undefined && source !== null) {
              for (var nextKey in source) {
                if (source.hasOwnProperty(nextKey)) {
                  output[nextKey] = source[nextKey];
                }
              }
            }
          }
          return output;
        };
      } else {
        assign = Object.assign;
      }

      /**
       * extend object.
       * means that properties in dest will be overwritten by the ones in src.
       * @param {Object} dest
       * @param {Object} src
       * @param {Boolean} [merge=false]
       * @returns {Object} dest
       */
      var extend = deprecate(function extend(dest, src, merge) {
        var keys = Object.keys(src);
        var i = 0;
        while (i < keys.length) {
          if (!merge || merge && dest[keys[i]] === undefined) {
            dest[keys[i]] = src[keys[i]];
          }
          i++;
        }
        return dest;
      }, 'extend', 'Use `assign`.');

      /**
       * merge the values from src in the dest.
       * means that properties that exist in dest will not be overwritten by src
       * @param {Object} dest
       * @param {Object} src
       * @returns {Object} dest
       */
      var merge = deprecate(function merge(dest, src) {
        return extend(dest, src, true);
      }, 'merge', 'Use `assign`.');

      /**
       * simple class inheritance
       * @param {Function} child
       * @param {Function} base
       * @param {Object} [properties]
       */
      function inherit(child, base, properties) {
        var baseP = base.prototype,
          childP;
        childP = child.prototype = Object.create(baseP);
        childP.constructor = child;
        childP._super = baseP;
        if (properties) {
          assign(childP, properties);
        }
      }

      /**
       * simple function bind
       * @param {Function} fn
       * @param {Object} context
       * @returns {Function}
       */
      function bindFn(fn, context) {
        return function boundFn() {
          return fn.apply(context, arguments);
        };
      }

      /**
       * let a boolean value also be a function that must return a boolean
       * this first item in args will be used as the context
       * @param {Boolean|Function} val
       * @param {Array} [args]
       * @returns {Boolean}
       */
      function boolOrFn(val, args) {
        if (typeof val == TYPE_FUNCTION) {
          return val.apply(args ? args[0] || undefined : undefined, args);
        }
        return val;
      }

      /**
       * use the val2 when val1 is undefined
       * @param {*} val1
       * @param {*} val2
       * @returns {*}
       */
      function ifUndefined(val1, val2) {
        return val1 === undefined ? val2 : val1;
      }

      /**
       * addEventListener with multiple events at once
       * @param {EventTarget} target
       * @param {String} types
       * @param {Function} handler
       */
      function addEventListeners(target, types, handler) {
        each(splitStr(types), function (type) {
          target.addEventListener(type, handler, false);
        });
      }

      /**
       * removeEventListener with multiple events at once
       * @param {EventTarget} target
       * @param {String} types
       * @param {Function} handler
       */
      function removeEventListeners(target, types, handler) {
        each(splitStr(types), function (type) {
          target.removeEventListener(type, handler, false);
        });
      }

      /**
       * find if a node is in the given parent
       * @method hasParent
       * @param {HTMLElement} node
       * @param {HTMLElement} parent
       * @return {Boolean} found
       */
      function hasParent(node, parent) {
        while (node) {
          if (node == parent) {
            return true;
          }
          node = node.parentNode;
        }
        return false;
      }

      /**
       * small indexOf wrapper
       * @param {String} str
       * @param {String} find
       * @returns {Boolean} found
       */
      function inStr(str, find) {
        return str.indexOf(find) > -1;
      }

      /**
       * split string on whitespace
       * @param {String} str
       * @returns {Array} words
       */
      function splitStr(str) {
        return str.trim().split(/\s+/g);
      }

      /**
       * find if a array contains the object using indexOf or a simple polyFill
       * @param {Array} src
       * @param {String} find
       * @param {String} [findByKey]
       * @return {Boolean|Number} false when not found, or the index
       */
      function inArray(src, find, findByKey) {
        if (src.indexOf && !findByKey) {
          return src.indexOf(find);
        } else {
          var i = 0;
          while (i < src.length) {
            if (findByKey && src[i][findByKey] == find || !findByKey && src[i] === find) {
              return i;
            }
            i++;
          }
          return -1;
        }
      }

      /**
       * convert array-like objects to real arrays
       * @param {Object} obj
       * @returns {Array}
       */
      function toArray(obj) {
        return Array.prototype.slice.call(obj, 0);
      }

      /**
       * unique array with objects based on a key (like 'id') or just by the array's value
       * @param {Array} src [{id:1},{id:2},{id:1}]
       * @param {String} [key]
       * @param {Boolean} [sort=False]
       * @returns {Array} [{id:1},{id:2}]
       */
      function uniqueArray(src, key, sort) {
        var results = [];
        var values = [];
        var i = 0;
        while (i < src.length) {
          var val = key ? src[i][key] : src[i];
          if (inArray(values, val) < 0) {
            results.push(src[i]);
          }
          values[i] = val;
          i++;
        }
        if (sort) {
          if (!key) {
            results = results.sort();
          } else {
            results = results.sort(function sortUniqueArray(a, b) {
              return a[key] > b[key];
            });
          }
        }
        return results;
      }

      /**
       * get the prefixed property
       * @param {Object} obj
       * @param {String} property
       * @returns {String|Undefined} prefixed
       */
      function prefixed(obj, property) {
        var prefix, prop;
        var camelProp = property[0].toUpperCase() + property.slice(1);
        var i = 0;
        while (i < VENDOR_PREFIXES.length) {
          prefix = VENDOR_PREFIXES[i];
          prop = prefix ? prefix + camelProp : property;
          if (prop in obj) {
            return prop;
          }
          i++;
        }
        return undefined;
      }

      /**
       * get a unique id
       * @returns {number} uniqueId
       */
      var _uniqueId = 1;
      function uniqueId() {
        return _uniqueId++;
      }

      /**
       * get the window object of an element
       * @param {HTMLElement} element
       * @returns {DocumentView|Window}
       */
      function getWindowForElement(element) {
        var doc = element.ownerDocument || element;
        return doc.defaultView || doc.parentWindow || window;
      }
      var MOBILE_REGEX = /mobile|tablet|ip(ad|hone|od)|android/i;
      var SUPPORT_TOUCH = 'ontouchstart' in window;
      var SUPPORT_POINTER_EVENTS = prefixed(window, 'PointerEvent') !== undefined;
      var SUPPORT_ONLY_TOUCH = SUPPORT_TOUCH && MOBILE_REGEX.test(navigator.userAgent);
      var INPUT_TYPE_TOUCH = 'touch';
      var INPUT_TYPE_PEN = 'pen';
      var INPUT_TYPE_MOUSE = 'mouse';
      var INPUT_TYPE_KINECT = 'kinect';
      var COMPUTE_INTERVAL = 25;
      var INPUT_START = 1;
      var INPUT_MOVE = 2;
      var INPUT_END = 4;
      var INPUT_CANCEL = 8;
      var DIRECTION_NONE = 1;
      var DIRECTION_LEFT = 2;
      var DIRECTION_RIGHT = 4;
      var DIRECTION_UP = 8;
      var DIRECTION_DOWN = 16;
      var DIRECTION_HORIZONTAL = DIRECTION_LEFT | DIRECTION_RIGHT;
      var DIRECTION_VERTICAL = DIRECTION_UP | DIRECTION_DOWN;
      var DIRECTION_ALL = DIRECTION_HORIZONTAL | DIRECTION_VERTICAL;
      var PROPS_XY = ['x', 'y'];
      var PROPS_CLIENT_XY = ['clientX', 'clientY'];

      /**
       * create new input type manager
       * @param {Manager} manager
       * @param {Function} callback
       * @returns {Input}
       * @constructor
       */
      function Input(manager, callback) {
        var self = this;
        this.manager = manager;
        this.callback = callback;
        this.element = manager.element;
        this.target = manager.options.inputTarget;

        // smaller wrapper around the handler, for the scope and the enabled state of the manager,
        // so when disabled the input events are completely bypassed.
        this.domHandler = function (ev) {
          if (boolOrFn(manager.options.enable, [manager])) {
            self.handler(ev);
          }
        };
        this.init();
      }
      Input.prototype = {
        /**
         * should handle the inputEvent data and trigger the callback
         * @virtual
         */
        handler: function () {},
        /**
         * bind the events
         */
        init: function () {
          this.evEl && addEventListeners(this.element, this.evEl, this.domHandler);
          this.evTarget && addEventListeners(this.target, this.evTarget, this.domHandler);
          this.evWin && addEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);
        },
        /**
         * unbind the events
         */
        destroy: function () {
          this.evEl && removeEventListeners(this.element, this.evEl, this.domHandler);
          this.evTarget && removeEventListeners(this.target, this.evTarget, this.domHandler);
          this.evWin && removeEventListeners(getWindowForElement(this.element), this.evWin, this.domHandler);
        }
      };

      /**
       * create new input type manager
       * called by the Manager constructor
       * @param {Hammer} manager
       * @returns {Input}
       */
      function createInputInstance(manager) {
        var Type;
        var inputClass = manager.options.inputClass;
        if (inputClass) {
          Type = inputClass;
        } else if (SUPPORT_POINTER_EVENTS) {
          Type = PointerEventInput;
        } else if (SUPPORT_ONLY_TOUCH) {
          Type = TouchInput;
        } else if (!SUPPORT_TOUCH) {
          Type = MouseInput;
        } else {
          Type = TouchMouseInput;
        }
        return new Type(manager, inputHandler);
      }

      /**
       * handle input events
       * @param {Manager} manager
       * @param {String} eventType
       * @param {Object} input
       */
      function inputHandler(manager, eventType, input) {
        var pointersLen = input.pointers.length;
        var changedPointersLen = input.changedPointers.length;
        var isFirst = eventType & INPUT_START && pointersLen - changedPointersLen === 0;
        var isFinal = eventType & (INPUT_END | INPUT_CANCEL) && pointersLen - changedPointersLen === 0;
        input.isFirst = !!isFirst;
        input.isFinal = !!isFinal;
        if (isFirst) {
          manager.session = {};
        }

        // source event is the normalized value of the domEvents
        // like 'touchstart, mouseup, pointerdown'
        input.eventType = eventType;

        // compute scale, rotation etc
        computeInputData(manager, input);

        // emit secret event
        manager.emit('hammer.input', input);
        manager.recognize(input);
        manager.session.prevInput = input;
      }

      /**
       * extend the data with some usable properties like scale, rotate, velocity etc
       * @param {Object} manager
       * @param {Object} input
       */
      function computeInputData(manager, input) {
        var session = manager.session;
        var pointers = input.pointers;
        var pointersLength = pointers.length;

        // store the first input to calculate the distance and direction
        if (!session.firstInput) {
          session.firstInput = simpleCloneInputData(input);
        }

        // to compute scale and rotation we need to store the multiple touches
        if (pointersLength > 1 && !session.firstMultiple) {
          session.firstMultiple = simpleCloneInputData(input);
        } else if (pointersLength === 1) {
          session.firstMultiple = false;
        }
        var firstInput = session.firstInput;
        var firstMultiple = session.firstMultiple;
        var offsetCenter = firstMultiple ? firstMultiple.center : firstInput.center;
        var center = input.center = getCenter(pointers);
        input.timeStamp = now();
        input.deltaTime = input.timeStamp - firstInput.timeStamp;
        input.angle = getAngle(offsetCenter, center);
        input.distance = getDistance(offsetCenter, center);
        computeDeltaXY(session, input);
        input.offsetDirection = getDirection(input.deltaX, input.deltaY);
        var overallVelocity = getVelocity(input.deltaTime, input.deltaX, input.deltaY);
        input.overallVelocityX = overallVelocity.x;
        input.overallVelocityY = overallVelocity.y;
        input.overallVelocity = abs(overallVelocity.x) > abs(overallVelocity.y) ? overallVelocity.x : overallVelocity.y;
        input.scale = firstMultiple ? getScale(firstMultiple.pointers, pointers) : 1;
        input.rotation = firstMultiple ? getRotation(firstMultiple.pointers, pointers) : 0;
        input.maxPointers = !session.prevInput ? input.pointers.length : input.pointers.length > session.prevInput.maxPointers ? input.pointers.length : session.prevInput.maxPointers;
        computeIntervalInputData(session, input);

        // find the correct target
        var target = manager.element;
        if (hasParent(input.srcEvent.target, target)) {
          target = input.srcEvent.target;
        }
        input.target = target;
      }
      function computeDeltaXY(session, input) {
        var center = input.center;
        var offset = session.offsetDelta || {};
        var prevDelta = session.prevDelta || {};
        var prevInput = session.prevInput || {};
        if (input.eventType === INPUT_START || prevInput.eventType === INPUT_END) {
          prevDelta = session.prevDelta = {
            x: prevInput.deltaX || 0,
            y: prevInput.deltaY || 0
          };
          offset = session.offsetDelta = {
            x: center.x,
            y: center.y
          };
        }
        input.deltaX = prevDelta.x + (center.x - offset.x);
        input.deltaY = prevDelta.y + (center.y - offset.y);
      }

      /**
       * velocity is calculated every x ms
       * @param {Object} session
       * @param {Object} input
       */
      function computeIntervalInputData(session, input) {
        var last = session.lastInterval || input,
          deltaTime = input.timeStamp - last.timeStamp,
          velocity,
          velocityX,
          velocityY,
          direction;
        if (input.eventType != INPUT_CANCEL && (deltaTime > COMPUTE_INTERVAL || last.velocity === undefined)) {
          var deltaX = input.deltaX - last.deltaX;
          var deltaY = input.deltaY - last.deltaY;
          var v = getVelocity(deltaTime, deltaX, deltaY);
          velocityX = v.x;
          velocityY = v.y;
          velocity = abs(v.x) > abs(v.y) ? v.x : v.y;
          direction = getDirection(deltaX, deltaY);
          session.lastInterval = input;
        } else {
          // use latest velocity info if it doesn't overtake a minimum period
          velocity = last.velocity;
          velocityX = last.velocityX;
          velocityY = last.velocityY;
          direction = last.direction;
        }
        input.velocity = velocity;
        input.velocityX = velocityX;
        input.velocityY = velocityY;
        input.direction = direction;
      }

      /**
       * create a simple clone from the input used for storage of firstInput and firstMultiple
       * @param {Object} input
       * @returns {Object} clonedInputData
       */
      function simpleCloneInputData(input) {
        // make a simple copy of the pointers because we will get a reference if we don't
        // we only need clientXY for the calculations
        var pointers = [];
        var i = 0;
        while (i < input.pointers.length) {
          pointers[i] = {
            clientX: round(input.pointers[i].clientX),
            clientY: round(input.pointers[i].clientY)
          };
          i++;
        }
        return {
          timeStamp: now(),
          pointers: pointers,
          center: getCenter(pointers),
          deltaX: input.deltaX,
          deltaY: input.deltaY
        };
      }

      /**
       * get the center of all the pointers
       * @param {Array} pointers
       * @return {Object} center contains `x` and `y` properties
       */
      function getCenter(pointers) {
        var pointersLength = pointers.length;

        // no need to loop when only one touch
        if (pointersLength === 1) {
          return {
            x: round(pointers[0].clientX),
            y: round(pointers[0].clientY)
          };
        }
        var x = 0,
          y = 0,
          i = 0;
        while (i < pointersLength) {
          x += pointers[i].clientX;
          y += pointers[i].clientY;
          i++;
        }
        return {
          x: round(x / pointersLength),
          y: round(y / pointersLength)
        };
      }

      /**
       * calculate the velocity between two points. unit is in px per ms.
       * @param {Number} deltaTime
       * @param {Number} x
       * @param {Number} y
       * @return {Object} velocity `x` and `y`
       */
      function getVelocity(deltaTime, x, y) {
        return {
          x: x / deltaTime || 0,
          y: y / deltaTime || 0
        };
      }

      /**
       * get the direction between two points
       * @param {Number} x
       * @param {Number} y
       * @return {Number} direction
       */
      function getDirection(x, y) {
        if (x === y) {
          return DIRECTION_NONE;
        }
        if (abs(x) >= abs(y)) {
          return x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;
        }
        return y < 0 ? DIRECTION_UP : DIRECTION_DOWN;
      }

      /**
       * calculate the absolute distance between two points
       * @param {Object} p1 {x, y}
       * @param {Object} p2 {x, y}
       * @param {Array} [props] containing x and y keys
       * @return {Number} distance
       */
      function getDistance(p1, p2, props) {
        if (!props) {
          props = PROPS_XY;
        }
        var x = p2[props[0]] - p1[props[0]],
          y = p2[props[1]] - p1[props[1]];
        return Math.sqrt(x * x + y * y);
      }

      /**
       * calculate the angle between two coordinates
       * @param {Object} p1
       * @param {Object} p2
       * @param {Array} [props] containing x and y keys
       * @return {Number} angle
       */
      function getAngle(p1, p2, props) {
        if (!props) {
          props = PROPS_XY;
        }
        var x = p2[props[0]] - p1[props[0]],
          y = p2[props[1]] - p1[props[1]];
        return Math.atan2(y, x) * 180 / Math.PI;
      }

      /**
       * calculate the rotation degrees between two pointersets
       * @param {Array} start array of pointers
       * @param {Array} end array of pointers
       * @return {Number} rotation
       */
      function getRotation(start, end) {
        return getAngle(end[1], end[0], PROPS_CLIENT_XY) + getAngle(start[1], start[0], PROPS_CLIENT_XY);
      }

      /**
       * calculate the scale factor between two pointersets
       * no scale is 1, and goes down to 0 when pinched together, and bigger when pinched out
       * @param {Array} start array of pointers
       * @param {Array} end array of pointers
       * @return {Number} scale
       */
      function getScale(start, end) {
        return getDistance(end[0], end[1], PROPS_CLIENT_XY) / getDistance(start[0], start[1], PROPS_CLIENT_XY);
      }
      var MOUSE_INPUT_MAP = {
        mousedown: INPUT_START,
        mousemove: INPUT_MOVE,
        mouseup: INPUT_END
      };
      var MOUSE_ELEMENT_EVENTS = 'mousedown';
      var MOUSE_WINDOW_EVENTS = 'mousemove mouseup';

      /**
       * Mouse events input
       * @constructor
       * @extends Input
       */
      function MouseInput() {
        this.evEl = MOUSE_ELEMENT_EVENTS;
        this.evWin = MOUSE_WINDOW_EVENTS;
        this.pressed = false; // mousedown state

        Input.apply(this, arguments);
      }
      inherit(MouseInput, Input, {
        /**
         * handle mouse events
         * @param {Object} ev
         */
        handler: function MEhandler(ev) {
          var eventType = MOUSE_INPUT_MAP[ev.type];

          // on start we want to have the left mouse button down
          if (eventType & INPUT_START && ev.button === 0) {
            this.pressed = true;
          }
          if (eventType & INPUT_MOVE && ev.which !== 1) {
            eventType = INPUT_END;
          }

          // mouse must be down
          if (!this.pressed) {
            return;
          }
          if (eventType & INPUT_END) {
            this.pressed = false;
          }
          this.callback(this.manager, eventType, {
            pointers: [ev],
            changedPointers: [ev],
            pointerType: INPUT_TYPE_MOUSE,
            srcEvent: ev
          });
        }
      });
      var POINTER_INPUT_MAP = {
        pointerdown: INPUT_START,
        pointermove: INPUT_MOVE,
        pointerup: INPUT_END,
        pointercancel: INPUT_CANCEL,
        pointerout: INPUT_CANCEL
      };

      // in IE10 the pointer types is defined as an enum
      var IE10_POINTER_TYPE_ENUM = {
        2: INPUT_TYPE_TOUCH,
        3: INPUT_TYPE_PEN,
        4: INPUT_TYPE_MOUSE,
        5: INPUT_TYPE_KINECT // see https://twitter.com/jacobrossi/status/480596438489890816
      };
      var POINTER_ELEMENT_EVENTS = 'pointerdown';
      var POINTER_WINDOW_EVENTS = 'pointermove pointerup pointercancel';

      // IE10 has prefixed support, and case-sensitive
      if (window.MSPointerEvent && !window.PointerEvent) {
        POINTER_ELEMENT_EVENTS = 'MSPointerDown';
        POINTER_WINDOW_EVENTS = 'MSPointerMove MSPointerUp MSPointerCancel';
      }

      /**
       * Pointer events input
       * @constructor
       * @extends Input
       */
      function PointerEventInput() {
        this.evEl = POINTER_ELEMENT_EVENTS;
        this.evWin = POINTER_WINDOW_EVENTS;
        Input.apply(this, arguments);
        this.store = this.manager.session.pointerEvents = [];
      }
      inherit(PointerEventInput, Input, {
        /**
         * handle mouse events
         * @param {Object} ev
         */
        handler: function PEhandler(ev) {
          var store = this.store;
          var removePointer = false;
          var eventTypeNormalized = ev.type.toLowerCase().replace('ms', '');
          var eventType = POINTER_INPUT_MAP[eventTypeNormalized];
          var pointerType = IE10_POINTER_TYPE_ENUM[ev.pointerType] || ev.pointerType;
          var isTouch = pointerType == INPUT_TYPE_TOUCH;

          // get index of the event in the store
          var storeIndex = inArray(store, ev.pointerId, 'pointerId');

          // start and mouse must be down
          if (eventType & INPUT_START && (ev.button === 0 || isTouch)) {
            if (storeIndex < 0) {
              store.push(ev);
              storeIndex = store.length - 1;
            }
          } else if (eventType & (INPUT_END | INPUT_CANCEL)) {
            removePointer = true;
          }

          // it not found, so the pointer hasn't been down (so it's probably a hover)
          if (storeIndex < 0) {
            return;
          }

          // update the event in the store
          store[storeIndex] = ev;
          this.callback(this.manager, eventType, {
            pointers: store,
            changedPointers: [ev],
            pointerType: pointerType,
            srcEvent: ev
          });
          if (removePointer) {
            // remove from the store
            store.splice(storeIndex, 1);
          }
        }
      });
      var SINGLE_TOUCH_INPUT_MAP = {
        touchstart: INPUT_START,
        touchmove: INPUT_MOVE,
        touchend: INPUT_END,
        touchcancel: INPUT_CANCEL
      };
      var SINGLE_TOUCH_TARGET_EVENTS = 'touchstart';
      var SINGLE_TOUCH_WINDOW_EVENTS = 'touchstart touchmove touchend touchcancel';

      /**
       * Touch events input
       * @constructor
       * @extends Input
       */
      function SingleTouchInput() {
        this.evTarget = SINGLE_TOUCH_TARGET_EVENTS;
        this.evWin = SINGLE_TOUCH_WINDOW_EVENTS;
        this.started = false;
        Input.apply(this, arguments);
      }
      inherit(SingleTouchInput, Input, {
        handler: function TEhandler(ev) {
          var type = SINGLE_TOUCH_INPUT_MAP[ev.type];

          // should we handle the touch events?
          if (type === INPUT_START) {
            this.started = true;
          }
          if (!this.started) {
            return;
          }
          var touches = normalizeSingleTouches.call(this, ev, type);

          // when done, reset the started state
          if (type & (INPUT_END | INPUT_CANCEL) && touches[0].length - touches[1].length === 0) {
            this.started = false;
          }
          this.callback(this.manager, type, {
            pointers: touches[0],
            changedPointers: touches[1],
            pointerType: INPUT_TYPE_TOUCH,
            srcEvent: ev
          });
        }
      });

      /**
       * @this {TouchInput}
       * @param {Object} ev
       * @param {Number} type flag
       * @returns {undefined|Array} [all, changed]
       */
      function normalizeSingleTouches(ev, type) {
        var all = toArray(ev.touches);
        var changed = toArray(ev.changedTouches);
        if (type & (INPUT_END | INPUT_CANCEL)) {
          all = uniqueArray(all.concat(changed), 'identifier', true);
        }
        return [all, changed];
      }
      var TOUCH_INPUT_MAP = {
        touchstart: INPUT_START,
        touchmove: INPUT_MOVE,
        touchend: INPUT_END,
        touchcancel: INPUT_CANCEL
      };
      var TOUCH_TARGET_EVENTS = 'touchstart touchmove touchend touchcancel';

      /**
       * Multi-user touch events input
       * @constructor
       * @extends Input
       */
      function TouchInput() {
        this.evTarget = TOUCH_TARGET_EVENTS;
        this.targetIds = {};
        Input.apply(this, arguments);
      }
      inherit(TouchInput, Input, {
        handler: function MTEhandler(ev) {
          var type = TOUCH_INPUT_MAP[ev.type];
          var touches = getTouches.call(this, ev, type);
          if (!touches) {
            return;
          }
          this.callback(this.manager, type, {
            pointers: touches[0],
            changedPointers: touches[1],
            pointerType: INPUT_TYPE_TOUCH,
            srcEvent: ev
          });
        }
      });

      /**
       * @this {TouchInput}
       * @param {Object} ev
       * @param {Number} type flag
       * @returns {undefined|Array} [all, changed]
       */
      function getTouches(ev, type) {
        var allTouches = toArray(ev.touches);
        var targetIds = this.targetIds;

        // when there is only one touch, the process can be simplified
        if (type & (INPUT_START | INPUT_MOVE) && allTouches.length === 1) {
          targetIds[allTouches[0].identifier] = true;
          return [allTouches, allTouches];
        }
        var i,
          targetTouches,
          changedTouches = toArray(ev.changedTouches),
          changedTargetTouches = [],
          target = this.target;

        // get target touches from touches
        targetTouches = allTouches.filter(function (touch) {
          return hasParent(touch.target, target);
        });

        // collect touches
        if (type === INPUT_START) {
          i = 0;
          while (i < targetTouches.length) {
            targetIds[targetTouches[i].identifier] = true;
            i++;
          }
        }

        // filter changed touches to only contain touches that exist in the collected target ids
        i = 0;
        while (i < changedTouches.length) {
          if (targetIds[changedTouches[i].identifier]) {
            changedTargetTouches.push(changedTouches[i]);
          }

          // cleanup removed touches
          if (type & (INPUT_END | INPUT_CANCEL)) {
            delete targetIds[changedTouches[i].identifier];
          }
          i++;
        }
        if (!changedTargetTouches.length) {
          return;
        }
        return [
        // merge targetTouches with changedTargetTouches so it contains ALL touches, including 'end' and 'cancel'
        uniqueArray(targetTouches.concat(changedTargetTouches), 'identifier', true), changedTargetTouches];
      }

      /**
       * Combined touch and mouse input
       *
       * Touch has a higher priority then mouse, and while touching no mouse events are allowed.
       * This because touch devices also emit mouse events while doing a touch.
       *
       * @constructor
       * @extends Input
       */

      var DEDUP_TIMEOUT = 2500;
      var DEDUP_DISTANCE = 25;
      function TouchMouseInput() {
        Input.apply(this, arguments);
        var handler = bindFn(this.handler, this);
        this.touch = new TouchInput(this.manager, handler);
        this.mouse = new MouseInput(this.manager, handler);
        this.primaryTouch = null;
        this.lastTouches = [];
      }
      inherit(TouchMouseInput, Input, {
        /**
         * handle mouse and touch events
         * @param {Hammer} manager
         * @param {String} inputEvent
         * @param {Object} inputData
         */
        handler: function TMEhandler(manager, inputEvent, inputData) {
          var isTouch = inputData.pointerType == INPUT_TYPE_TOUCH,
            isMouse = inputData.pointerType == INPUT_TYPE_MOUSE;
          if (isMouse && inputData.sourceCapabilities && inputData.sourceCapabilities.firesTouchEvents) {
            return;
          }

          // when we're in a touch event, record touches to  de-dupe synthetic mouse event
          if (isTouch) {
            recordTouches.call(this, inputEvent, inputData);
          } else if (isMouse && isSyntheticEvent.call(this, inputData)) {
            return;
          }
          this.callback(manager, inputEvent, inputData);
        },
        /**
         * remove the event listeners
         */
        destroy: function destroy() {
          this.touch.destroy();
          this.mouse.destroy();
        }
      });
      function recordTouches(eventType, eventData) {
        if (eventType & INPUT_START) {
          this.primaryTouch = eventData.changedPointers[0].identifier;
          setLastTouch.call(this, eventData);
        } else if (eventType & (INPUT_END | INPUT_CANCEL)) {
          setLastTouch.call(this, eventData);
        }
      }
      function setLastTouch(eventData) {
        var touch = eventData.changedPointers[0];
        if (touch.identifier === this.primaryTouch) {
          var lastTouch = {
            x: touch.clientX,
            y: touch.clientY
          };
          this.lastTouches.push(lastTouch);
          var lts = this.lastTouches;
          var removeLastTouch = function () {
            var i = lts.indexOf(lastTouch);
            if (i > -1) {
              lts.splice(i, 1);
            }
          };
          setTimeout(removeLastTouch, DEDUP_TIMEOUT);
        }
      }
      function isSyntheticEvent(eventData) {
        var x = eventData.srcEvent.clientX,
          y = eventData.srcEvent.clientY;
        for (var i = 0; i < this.lastTouches.length; i++) {
          var t = this.lastTouches[i];
          var dx = Math.abs(x - t.x),
            dy = Math.abs(y - t.y);
          if (dx <= DEDUP_DISTANCE && dy <= DEDUP_DISTANCE) {
            return true;
          }
        }
        return false;
      }
      var PREFIXED_TOUCH_ACTION = prefixed(TEST_ELEMENT.style, 'touchAction');
      var NATIVE_TOUCH_ACTION = PREFIXED_TOUCH_ACTION !== undefined;

      // magical touchAction value
      var TOUCH_ACTION_COMPUTE = 'compute';
      var TOUCH_ACTION_AUTO = 'auto';
      var TOUCH_ACTION_MANIPULATION = 'manipulation'; // not implemented
      var TOUCH_ACTION_NONE = 'none';
      var TOUCH_ACTION_PAN_X = 'pan-x';
      var TOUCH_ACTION_PAN_Y = 'pan-y';
      var TOUCH_ACTION_MAP = getTouchActionProps();

      /**
       * Touch Action
       * sets the touchAction property or uses the js alternative
       * @param {Manager} manager
       * @param {String} value
       * @constructor
       */
      function TouchAction(manager, value) {
        this.manager = manager;
        this.set(value);
      }
      TouchAction.prototype = {
        /**
         * set the touchAction value on the element or enable the polyfill
         * @param {String} value
         */
        set: function (value) {
          // find out the touch-action by the event handlers
          if (value == TOUCH_ACTION_COMPUTE) {
            value = this.compute();
          }
          if (NATIVE_TOUCH_ACTION && this.manager.element.style && TOUCH_ACTION_MAP[value]) {
            this.manager.element.style[PREFIXED_TOUCH_ACTION] = value;
          }
          this.actions = value.toLowerCase().trim();
        },
        /**
         * just re-set the touchAction value
         */
        update: function () {
          this.set(this.manager.options.touchAction);
        },
        /**
         * compute the value for the touchAction property based on the recognizer's settings
         * @returns {String} value
         */
        compute: function () {
          var actions = [];
          each(this.manager.recognizers, function (recognizer) {
            if (boolOrFn(recognizer.options.enable, [recognizer])) {
              actions = actions.concat(recognizer.getTouchAction());
            }
          });
          return cleanTouchActions(actions.join(' '));
        },
        /**
         * this method is called on each input cycle and provides the preventing of the browser behavior
         * @param {Object} input
         */
        preventDefaults: function (input) {
          var srcEvent = input.srcEvent;
          var direction = input.offsetDirection;

          // if the touch action did prevented once this session
          if (this.manager.session.prevented) {
            srcEvent.preventDefault();
            return;
          }
          var actions = this.actions;
          var hasNone = inStr(actions, TOUCH_ACTION_NONE) && !TOUCH_ACTION_MAP[TOUCH_ACTION_NONE];
          var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_Y];
          var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X) && !TOUCH_ACTION_MAP[TOUCH_ACTION_PAN_X];
          if (hasNone) {
            //do not prevent defaults if this is a tap gesture

            var isTapPointer = input.pointers.length === 1;
            var isTapMovement = input.distance < 2;
            var isTapTouchTime = input.deltaTime < 250;
            if (isTapPointer && isTapMovement && isTapTouchTime) {
              return;
            }
          }
          if (hasPanX && hasPanY) {
            // `pan-x pan-y` means browser handles all scrolling/panning, do not prevent
            return;
          }
          if (hasNone || hasPanY && direction & DIRECTION_HORIZONTAL || hasPanX && direction & DIRECTION_VERTICAL) {
            return this.preventSrc(srcEvent);
          }
        },
        /**
         * call preventDefault to prevent the browser's default behavior (scrolling in most cases)
         * @param {Object} srcEvent
         */
        preventSrc: function (srcEvent) {
          this.manager.session.prevented = true;
          srcEvent.preventDefault();
        }
      };

      /**
       * when the touchActions are collected they are not a valid value, so we need to clean things up. *
       * @param {String} actions
       * @returns {*}
       */
      function cleanTouchActions(actions) {
        // none
        if (inStr(actions, TOUCH_ACTION_NONE)) {
          return TOUCH_ACTION_NONE;
        }
        var hasPanX = inStr(actions, TOUCH_ACTION_PAN_X);
        var hasPanY = inStr(actions, TOUCH_ACTION_PAN_Y);

        // if both pan-x and pan-y are set (different recognizers
        // for different directions, e.g. horizontal pan but vertical swipe?)
        // we need none (as otherwise with pan-x pan-y combined none of these
        // recognizers will work, since the browser would handle all panning
        if (hasPanX && hasPanY) {
          return TOUCH_ACTION_NONE;
        }

        // pan-x OR pan-y
        if (hasPanX || hasPanY) {
          return hasPanX ? TOUCH_ACTION_PAN_X : TOUCH_ACTION_PAN_Y;
        }

        // manipulation
        if (inStr(actions, TOUCH_ACTION_MANIPULATION)) {
          return TOUCH_ACTION_MANIPULATION;
        }
        return TOUCH_ACTION_AUTO;
      }
      function getTouchActionProps() {
        if (!NATIVE_TOUCH_ACTION) {
          return false;
        }
        var touchMap = {};
        var cssSupports = window.CSS && window.CSS.supports;
        ['auto', 'manipulation', 'pan-y', 'pan-x', 'pan-x pan-y', 'none'].forEach(function (val) {
          // If css.supports is not supported but there is native touch-action assume it supports
          // all values. This is the case for IE 10 and 11.
          touchMap[val] = cssSupports ? window.CSS.supports('touch-action', val) : true;
        });
        return touchMap;
      }

      /**
       * Recognizer flow explained; *
       * All recognizers have the initial state of POSSIBLE when a input session starts.
       * The definition of a input session is from the first input until the last input, with all it's movement in it. *
       * Example session for mouse-input: mousedown -> mousemove -> mouseup
       *
       * On each recognizing cycle (see Manager.recognize) the .recognize() method is executed
       * which determines with state it should be.
       *
       * If the recognizer has the state FAILED, CANCELLED or RECOGNIZED (equals ENDED), it is reset to
       * POSSIBLE to give it another change on the next cycle.
       *
       *               Possible
       *                  |
       *            +-----+---------------+
       *            |                     |
       *      +-----+-----+               |
       *      |           |               |
       *   Failed      Cancelled          |
       *                          +-------+------+
       *                          |              |
       *                      Recognized       Began
       *                                         |
       *                                      Changed
       *                                         |
       *                                  Ended/Recognized
       */
      var STATE_POSSIBLE = 1;
      var STATE_BEGAN = 2;
      var STATE_CHANGED = 4;
      var STATE_ENDED = 8;
      var STATE_RECOGNIZED = STATE_ENDED;
      var STATE_CANCELLED = 16;
      var STATE_FAILED = 32;

      /**
       * Recognizer
       * Every recognizer needs to extend from this class.
       * @constructor
       * @param {Object} options
       */
      function Recognizer(options) {
        this.options = assign({}, this.defaults, options || {});
        this.id = uniqueId();
        this.manager = null;

        // default is enable true
        this.options.enable = ifUndefined(this.options.enable, true);
        this.state = STATE_POSSIBLE;
        this.simultaneous = {};
        this.requireFail = [];
      }
      Recognizer.prototype = {
        /**
         * @virtual
         * @type {Object}
         */
        defaults: {},
        /**
         * set options
         * @param {Object} options
         * @return {Recognizer}
         */
        set: function (options) {
          assign(this.options, options);

          // also update the touchAction, in case something changed about the directions/enabled state
          this.manager && this.manager.touchAction.update();
          return this;
        },
        /**
         * recognize simultaneous with an other recognizer.
         * @param {Recognizer} otherRecognizer
         * @returns {Recognizer} this
         */
        recognizeWith: function (otherRecognizer) {
          if (invokeArrayArg(otherRecognizer, 'recognizeWith', this)) {
            return this;
          }
          var simultaneous = this.simultaneous;
          otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
          if (!simultaneous[otherRecognizer.id]) {
            simultaneous[otherRecognizer.id] = otherRecognizer;
            otherRecognizer.recognizeWith(this);
          }
          return this;
        },
        /**
         * drop the simultaneous link. it doesnt remove the link on the other recognizer.
         * @param {Recognizer} otherRecognizer
         * @returns {Recognizer} this
         */
        dropRecognizeWith: function (otherRecognizer) {
          if (invokeArrayArg(otherRecognizer, 'dropRecognizeWith', this)) {
            return this;
          }
          otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
          delete this.simultaneous[otherRecognizer.id];
          return this;
        },
        /**
         * recognizer can only run when an other is failing
         * @param {Recognizer} otherRecognizer
         * @returns {Recognizer} this
         */
        requireFailure: function (otherRecognizer) {
          if (invokeArrayArg(otherRecognizer, 'requireFailure', this)) {
            return this;
          }
          var requireFail = this.requireFail;
          otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
          if (inArray(requireFail, otherRecognizer) === -1) {
            requireFail.push(otherRecognizer);
            otherRecognizer.requireFailure(this);
          }
          return this;
        },
        /**
         * drop the requireFailure link. it does not remove the link on the other recognizer.
         * @param {Recognizer} otherRecognizer
         * @returns {Recognizer} this
         */
        dropRequireFailure: function (otherRecognizer) {
          if (invokeArrayArg(otherRecognizer, 'dropRequireFailure', this)) {
            return this;
          }
          otherRecognizer = getRecognizerByNameIfManager(otherRecognizer, this);
          var index = inArray(this.requireFail, otherRecognizer);
          if (index > -1) {
            this.requireFail.splice(index, 1);
          }
          return this;
        },
        /**
         * has require failures boolean
         * @returns {boolean}
         */
        hasRequireFailures: function () {
          return this.requireFail.length > 0;
        },
        /**
         * if the recognizer can recognize simultaneous with an other recognizer
         * @param {Recognizer} otherRecognizer
         * @returns {Boolean}
         */
        canRecognizeWith: function (otherRecognizer) {
          return !!this.simultaneous[otherRecognizer.id];
        },
        /**
         * You should use `tryEmit` instead of `emit` directly to check
         * that all the needed recognizers has failed before emitting.
         * @param {Object} input
         */
        emit: function (input) {
          var self = this;
          var state = this.state;
          function emit(event) {
            self.manager.emit(event, input);
          }

          // 'panstart' and 'panmove'
          if (state < STATE_ENDED) {
            emit(self.options.event + stateStr(state));
          }
          emit(self.options.event); // simple 'eventName' events

          if (input.additionalEvent) {
            // additional event(panleft, panright, pinchin, pinchout...)
            emit(input.additionalEvent);
          }

          // panend and pancancel
          if (state >= STATE_ENDED) {
            emit(self.options.event + stateStr(state));
          }
        },
        /**
         * Check that all the require failure recognizers has failed,
         * if true, it emits a gesture event,
         * otherwise, setup the state to FAILED.
         * @param {Object} input
         */
        tryEmit: function (input) {
          if (this.canEmit()) {
            return this.emit(input);
          }
          // it's failing anyway
          this.state = STATE_FAILED;
        },
        /**
         * can we emit?
         * @returns {boolean}
         */
        canEmit: function () {
          var i = 0;
          while (i < this.requireFail.length) {
            if (!(this.requireFail[i].state & (STATE_FAILED | STATE_POSSIBLE))) {
              return false;
            }
            i++;
          }
          return true;
        },
        /**
         * update the recognizer
         * @param {Object} inputData
         */
        recognize: function (inputData) {
          // make a new copy of the inputData
          // so we can change the inputData without messing up the other recognizers
          var inputDataClone = assign({}, inputData);

          // is is enabled and allow recognizing?
          if (!boolOrFn(this.options.enable, [this, inputDataClone])) {
            this.reset();
            this.state = STATE_FAILED;
            return;
          }

          // reset when we've reached the end
          if (this.state & (STATE_RECOGNIZED | STATE_CANCELLED | STATE_FAILED)) {
            this.state = STATE_POSSIBLE;
          }
          this.state = this.process(inputDataClone);

          // the recognizer has recognized a gesture
          // so trigger an event
          if (this.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED | STATE_CANCELLED)) {
            this.tryEmit(inputDataClone);
          }
        },
        /**
         * return the state of the recognizer
         * the actual recognizing happens in this method
         * @virtual
         * @param {Object} inputData
         * @returns {Const} STATE
         */
        process: function (inputData) {},
        // jshint ignore:line

        /**
         * return the preferred touch-action
         * @virtual
         * @returns {Array}
         */
        getTouchAction: function () {},
        /**
         * called when the gesture isn't allowed to recognize
         * like when another is being recognized or it is disabled
         * @virtual
         */
        reset: function () {}
      };

      /**
       * get a usable string, used as event postfix
       * @param {Const} state
       * @returns {String} state
       */
      function stateStr(state) {
        if (state & STATE_CANCELLED) {
          return 'cancel';
        } else if (state & STATE_ENDED) {
          return 'end';
        } else if (state & STATE_CHANGED) {
          return 'move';
        } else if (state & STATE_BEGAN) {
          return 'start';
        }
        return '';
      }

      /**
       * direction cons to string
       * @param {Const} direction
       * @returns {String}
       */
      function directionStr(direction) {
        if (direction == DIRECTION_DOWN) {
          return 'down';
        } else if (direction == DIRECTION_UP) {
          return 'up';
        } else if (direction == DIRECTION_LEFT) {
          return 'left';
        } else if (direction == DIRECTION_RIGHT) {
          return 'right';
        }
        return '';
      }

      /**
       * get a recognizer by name if it is bound to a manager
       * @param {Recognizer|String} otherRecognizer
       * @param {Recognizer} recognizer
       * @returns {Recognizer}
       */
      function getRecognizerByNameIfManager(otherRecognizer, recognizer) {
        var manager = recognizer.manager;
        if (manager) {
          return manager.get(otherRecognizer);
        }
        return otherRecognizer;
      }

      /**
       * This recognizer is just used as a base for the simple attribute recognizers.
       * @constructor
       * @extends Recognizer
       */
      function AttrRecognizer() {
        Recognizer.apply(this, arguments);
      }
      inherit(AttrRecognizer, Recognizer, {
        /**
         * @namespace
         * @memberof AttrRecognizer
         */
        defaults: {
          /**
           * @type {Number}
           * @default 1
           */
          pointers: 1
        },
        /**
         * Used to check if it the recognizer receives valid input, like input.distance > 10.
         * @memberof AttrRecognizer
         * @param {Object} input
         * @returns {Boolean} recognized
         */
        attrTest: function (input) {
          var optionPointers = this.options.pointers;
          return optionPointers === 0 || input.pointers.length === optionPointers;
        },
        /**
         * Process the input and return the state for the recognizer
         * @memberof AttrRecognizer
         * @param {Object} input
         * @returns {*} State
         */
        process: function (input) {
          var state = this.state;
          var eventType = input.eventType;
          var isRecognized = state & (STATE_BEGAN | STATE_CHANGED);
          var isValid = this.attrTest(input);

          // on cancel input and we've recognized before, return STATE_CANCELLED
          if (isRecognized && (eventType & INPUT_CANCEL || !isValid)) {
            return state | STATE_CANCELLED;
          } else if (isRecognized || isValid) {
            if (eventType & INPUT_END) {
              return state | STATE_ENDED;
            } else if (!(state & STATE_BEGAN)) {
              return STATE_BEGAN;
            }
            return state | STATE_CHANGED;
          }
          return STATE_FAILED;
        }
      });

      /**
       * Pan
       * Recognized when the pointer is down and moved in the allowed direction.
       * @constructor
       * @extends AttrRecognizer
       */
      function PanRecognizer() {
        AttrRecognizer.apply(this, arguments);
        this.pX = null;
        this.pY = null;
      }
      inherit(PanRecognizer, AttrRecognizer, {
        /**
         * @namespace
         * @memberof PanRecognizer
         */
        defaults: {
          event: 'pan',
          threshold: 10,
          pointers: 1,
          direction: DIRECTION_ALL
        },
        getTouchAction: function () {
          var direction = this.options.direction;
          var actions = [];
          if (direction & DIRECTION_HORIZONTAL) {
            actions.push(TOUCH_ACTION_PAN_Y);
          }
          if (direction & DIRECTION_VERTICAL) {
            actions.push(TOUCH_ACTION_PAN_X);
          }
          return actions;
        },
        directionTest: function (input) {
          var options = this.options;
          var hasMoved = true;
          var distance = input.distance;
          var direction = input.direction;
          var x = input.deltaX;
          var y = input.deltaY;

          // lock to axis?
          if (!(direction & options.direction)) {
            if (options.direction & DIRECTION_HORIZONTAL) {
              direction = x === 0 ? DIRECTION_NONE : x < 0 ? DIRECTION_LEFT : DIRECTION_RIGHT;
              hasMoved = x != this.pX;
              distance = Math.abs(input.deltaX);
            } else {
              direction = y === 0 ? DIRECTION_NONE : y < 0 ? DIRECTION_UP : DIRECTION_DOWN;
              hasMoved = y != this.pY;
              distance = Math.abs(input.deltaY);
            }
          }
          input.direction = direction;
          return hasMoved && distance > options.threshold && direction & options.direction;
        },
        attrTest: function (input) {
          return AttrRecognizer.prototype.attrTest.call(this, input) && (this.state & STATE_BEGAN || !(this.state & STATE_BEGAN) && this.directionTest(input));
        },
        emit: function (input) {
          this.pX = input.deltaX;
          this.pY = input.deltaY;
          var direction = directionStr(input.direction);
          if (direction) {
            input.additionalEvent = this.options.event + direction;
          }
          this._super.emit.call(this, input);
        }
      });

      /**
       * Pinch
       * Recognized when two or more pointers are moving toward (zoom-in) or away from each other (zoom-out).
       * @constructor
       * @extends AttrRecognizer
       */
      function PinchRecognizer() {
        AttrRecognizer.apply(this, arguments);
      }
      inherit(PinchRecognizer, AttrRecognizer, {
        /**
         * @namespace
         * @memberof PinchRecognizer
         */
        defaults: {
          event: 'pinch',
          threshold: 0,
          pointers: 2
        },
        getTouchAction: function () {
          return [TOUCH_ACTION_NONE];
        },
        attrTest: function (input) {
          return this._super.attrTest.call(this, input) && (Math.abs(input.scale - 1) > this.options.threshold || this.state & STATE_BEGAN);
        },
        emit: function (input) {
          if (input.scale !== 1) {
            var inOut = input.scale < 1 ? 'in' : 'out';
            input.additionalEvent = this.options.event + inOut;
          }
          this._super.emit.call(this, input);
        }
      });

      /**
       * Press
       * Recognized when the pointer is down for x ms without any movement.
       * @constructor
       * @extends Recognizer
       */
      function PressRecognizer() {
        Recognizer.apply(this, arguments);
        this._timer = null;
        this._input = null;
      }
      inherit(PressRecognizer, Recognizer, {
        /**
         * @namespace
         * @memberof PressRecognizer
         */
        defaults: {
          event: 'press',
          pointers: 1,
          time: 251,
          // minimal time of the pointer to be pressed
          threshold: 9 // a minimal movement is ok, but keep it low
        },
        getTouchAction: function () {
          return [TOUCH_ACTION_AUTO];
        },
        process: function (input) {
          var options = this.options;
          var validPointers = input.pointers.length === options.pointers;
          var validMovement = input.distance < options.threshold;
          var validTime = input.deltaTime > options.time;
          this._input = input;

          // we only allow little movement
          // and we've reached an end event, so a tap is possible
          if (!validMovement || !validPointers || input.eventType & (INPUT_END | INPUT_CANCEL) && !validTime) {
            this.reset();
          } else if (input.eventType & INPUT_START) {
            this.reset();
            this._timer = setTimeoutContext(function () {
              this.state = STATE_RECOGNIZED;
              this.tryEmit();
            }, options.time, this);
          } else if (input.eventType & INPUT_END) {
            return STATE_RECOGNIZED;
          }
          return STATE_FAILED;
        },
        reset: function () {
          clearTimeout(this._timer);
        },
        emit: function (input) {
          if (this.state !== STATE_RECOGNIZED) {
            return;
          }
          if (input && input.eventType & INPUT_END) {
            this.manager.emit(this.options.event + 'up', input);
          } else {
            this._input.timeStamp = now();
            this.manager.emit(this.options.event, this._input);
          }
        }
      });

      /**
       * Rotate
       * Recognized when two or more pointer are moving in a circular motion.
       * @constructor
       * @extends AttrRecognizer
       */
      function RotateRecognizer() {
        AttrRecognizer.apply(this, arguments);
      }
      inherit(RotateRecognizer, AttrRecognizer, {
        /**
         * @namespace
         * @memberof RotateRecognizer
         */
        defaults: {
          event: 'rotate',
          threshold: 0,
          pointers: 2
        },
        getTouchAction: function () {
          return [TOUCH_ACTION_NONE];
        },
        attrTest: function (input) {
          return this._super.attrTest.call(this, input) && (Math.abs(input.rotation) > this.options.threshold || this.state & STATE_BEGAN);
        }
      });

      /**
       * Swipe
       * Recognized when the pointer is moving fast (velocity), with enough distance in the allowed direction.
       * @constructor
       * @extends AttrRecognizer
       */
      function SwipeRecognizer() {
        AttrRecognizer.apply(this, arguments);
      }
      inherit(SwipeRecognizer, AttrRecognizer, {
        /**
         * @namespace
         * @memberof SwipeRecognizer
         */
        defaults: {
          event: 'swipe',
          threshold: 10,
          velocity: 0.3,
          direction: DIRECTION_HORIZONTAL | DIRECTION_VERTICAL,
          pointers: 1
        },
        getTouchAction: function () {
          return PanRecognizer.prototype.getTouchAction.call(this);
        },
        attrTest: function (input) {
          var direction = this.options.direction;
          var velocity;
          if (direction & (DIRECTION_HORIZONTAL | DIRECTION_VERTICAL)) {
            velocity = input.overallVelocity;
          } else if (direction & DIRECTION_HORIZONTAL) {
            velocity = input.overallVelocityX;
          } else if (direction & DIRECTION_VERTICAL) {
            velocity = input.overallVelocityY;
          }
          return this._super.attrTest.call(this, input) && direction & input.offsetDirection && input.distance > this.options.threshold && input.maxPointers == this.options.pointers && abs(velocity) > this.options.velocity && input.eventType & INPUT_END;
        },
        emit: function (input) {
          var direction = directionStr(input.offsetDirection);
          if (direction) {
            this.manager.emit(this.options.event + direction, input);
          }
          this.manager.emit(this.options.event, input);
        }
      });

      /**
       * A tap is ecognized when the pointer is doing a small tap/click. Multiple taps are recognized if they occur
       * between the given interval and position. The delay option can be used to recognize multi-taps without firing
       * a single tap.
       *
       * The eventData from the emitted event contains the property `tapCount`, which contains the amount of
       * multi-taps being recognized.
       * @constructor
       * @extends Recognizer
       */
      function TapRecognizer() {
        Recognizer.apply(this, arguments);

        // previous time and center,
        // used for tap counting
        this.pTime = false;
        this.pCenter = false;
        this._timer = null;
        this._input = null;
        this.count = 0;
      }
      inherit(TapRecognizer, Recognizer, {
        /**
         * @namespace
         * @memberof PinchRecognizer
         */
        defaults: {
          event: 'tap',
          pointers: 1,
          taps: 1,
          interval: 300,
          // max time between the multi-tap taps
          time: 250,
          // max time of the pointer to be down (like finger on the screen)
          threshold: 9,
          // a minimal movement is ok, but keep it low
          posThreshold: 10 // a multi-tap can be a bit off the initial position
        },
        getTouchAction: function () {
          return [TOUCH_ACTION_MANIPULATION];
        },
        process: function (input) {
          var options = this.options;
          var validPointers = input.pointers.length === options.pointers;
          var validMovement = input.distance < options.threshold;
          var validTouchTime = input.deltaTime < options.time;
          this.reset();
          if (input.eventType & INPUT_START && this.count === 0) {
            return this.failTimeout();
          }

          // we only allow little movement
          // and we've reached an end event, so a tap is possible
          if (validMovement && validTouchTime && validPointers) {
            if (input.eventType != INPUT_END) {
              return this.failTimeout();
            }
            var validInterval = this.pTime ? input.timeStamp - this.pTime < options.interval : true;
            var validMultiTap = !this.pCenter || getDistance(this.pCenter, input.center) < options.posThreshold;
            this.pTime = input.timeStamp;
            this.pCenter = input.center;
            if (!validMultiTap || !validInterval) {
              this.count = 1;
            } else {
              this.count += 1;
            }
            this._input = input;

            // if tap count matches we have recognized it,
            // else it has began recognizing...
            var tapCount = this.count % options.taps;
            if (tapCount === 0) {
              // no failing requirements, immediately trigger the tap event
              // or wait as long as the multitap interval to trigger
              if (!this.hasRequireFailures()) {
                return STATE_RECOGNIZED;
              } else {
                this._timer = setTimeoutContext(function () {
                  this.state = STATE_RECOGNIZED;
                  this.tryEmit();
                }, options.interval, this);
                return STATE_BEGAN;
              }
            }
          }
          return STATE_FAILED;
        },
        failTimeout: function () {
          this._timer = setTimeoutContext(function () {
            this.state = STATE_FAILED;
          }, this.options.interval, this);
          return STATE_FAILED;
        },
        reset: function () {
          clearTimeout(this._timer);
        },
        emit: function () {
          if (this.state == STATE_RECOGNIZED) {
            this._input.tapCount = this.count;
            this.manager.emit(this.options.event, this._input);
          }
        }
      });

      /**
       * Simple way to create a manager with a default set of recognizers.
       * @param {HTMLElement} element
       * @param {Object} [options]
       * @constructor
       */
      function Hammer(element, options) {
        options = options || {};
        options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset);
        return new Manager(element, options);
      }

      /**
       * @const {string}
       */
      Hammer.VERSION = '2.0.7';

      /**
       * default settings
       * @namespace
       */
      Hammer.defaults = {
        /**
         * set if DOM events are being triggered.
         * But this is slower and unused by simple implementations, so disabled by default.
         * @type {Boolean}
         * @default false
         */
        domEvents: false,
        /**
         * The value for the touchAction property/fallback.
         * When set to `compute` it will magically set the correct value based on the added recognizers.
         * @type {String}
         * @default compute
         */
        touchAction: TOUCH_ACTION_COMPUTE,
        /**
         * @type {Boolean}
         * @default true
         */
        enable: true,
        /**
         * EXPERIMENTAL FEATURE -- can be removed/changed
         * Change the parent input target element.
         * If Null, then it is being set the to main element.
         * @type {Null|EventTarget}
         * @default null
         */
        inputTarget: null,
        /**
         * force an input class
         * @type {Null|Function}
         * @default null
         */
        inputClass: null,
        /**
         * Default recognizer setup when calling `Hammer()`
         * When creating a new Manager these will be skipped.
         * @type {Array}
         */
        preset: [
        // RecognizerClass, options, [recognizeWith, ...], [requireFailure, ...]
        [RotateRecognizer, {
          enable: false
        }], [PinchRecognizer, {
          enable: false
        }, ['rotate']], [SwipeRecognizer, {
          direction: DIRECTION_HORIZONTAL
        }], [PanRecognizer, {
          direction: DIRECTION_HORIZONTAL
        }, ['swipe']], [TapRecognizer], [TapRecognizer, {
          event: 'doubletap',
          taps: 2
        }, ['tap']], [PressRecognizer]],
        /**
         * Some CSS properties can be used to improve the working of Hammer.
         * Add them to this method and they will be set when creating a new Manager.
         * @namespace
         */
        cssProps: {
          /**
           * Disables text selection to improve the dragging gesture. Mainly for desktop browsers.
           * @type {String}
           * @default 'none'
           */
          userSelect: 'none',
          /**
           * Disable the Windows Phone grippers when pressing an element.
           * @type {String}
           * @default 'none'
           */
          touchSelect: 'none',
          /**
           * Disables the default callout shown when you touch and hold a touch target.
           * On iOS, when you touch and hold a touch target such as a link, Safari displays
           * a callout containing information about the link. This property allows you to disable that callout.
           * @type {String}
           * @default 'none'
           */
          touchCallout: 'none',
          /**
           * Specifies whether zooming is enabled. Used by IE10>
           * @type {String}
           * @default 'none'
           */
          contentZooming: 'none',
          /**
           * Specifies that an entire element should be draggable instead of its contents. Mainly for desktop browsers.
           * @type {String}
           * @default 'none'
           */
          userDrag: 'none',
          /**
           * Overrides the highlight color shown when the user taps a link or a JavaScript
           * clickable element in iOS. This property obeys the alpha value, if specified.
           * @type {String}
           * @default 'rgba(0,0,0,0)'
           */
          tapHighlightColor: 'rgba(0,0,0,0)'
        }
      };
      var STOP = 1;
      var FORCED_STOP = 2;

      /**
       * Manager
       * @param {HTMLElement} element
       * @param {Object} [options]
       * @constructor
       */
      function Manager(element, options) {
        this.options = assign({}, Hammer.defaults, options || {});
        this.options.inputTarget = this.options.inputTarget || element;
        this.handlers = {};
        this.session = {};
        this.recognizers = [];
        this.oldCssProps = {};
        this.element = element;
        this.input = createInputInstance(this);
        this.touchAction = new TouchAction(this, this.options.touchAction);
        toggleCssProps(this, true);
        each(this.options.recognizers, function (item) {
          var recognizer = this.add(new item[0](item[1]));
          item[2] && recognizer.recognizeWith(item[2]);
          item[3] && recognizer.requireFailure(item[3]);
        }, this);
      }
      Manager.prototype = {
        /**
         * set options
         * @param {Object} options
         * @returns {Manager}
         */
        set: function (options) {
          assign(this.options, options);

          // Options that need a little more setup
          if (options.touchAction) {
            this.touchAction.update();
          }
          if (options.inputTarget) {
            // Clean up existing event listeners and reinitialize
            this.input.destroy();
            this.input.target = options.inputTarget;
            this.input.init();
          }
          return this;
        },
        /**
         * stop recognizing for this session.
         * This session will be discarded, when a new [input]start event is fired.
         * When forced, the recognizer cycle is stopped immediately.
         * @param {Boolean} [force]
         */
        stop: function (force) {
          this.session.stopped = force ? FORCED_STOP : STOP;
        },
        /**
         * run the recognizers!
         * called by the inputHandler function on every movement of the pointers (touches)
         * it walks through all the recognizers and tries to detect the gesture that is being made
         * @param {Object} inputData
         */
        recognize: function (inputData) {
          var session = this.session;
          if (session.stopped) {
            return;
          }

          // run the touch-action polyfill
          this.touchAction.preventDefaults(inputData);
          var recognizer;
          var recognizers = this.recognizers;

          // this holds the recognizer that is being recognized.
          // so the recognizer's state needs to be BEGAN, CHANGED, ENDED or RECOGNIZED
          // if no recognizer is detecting a thing, it is set to `null`
          var curRecognizer = session.curRecognizer;

          // reset when the last recognizer is recognized
          // or when we're in a new session
          if (!curRecognizer || curRecognizer && curRecognizer.state & STATE_RECOGNIZED) {
            curRecognizer = session.curRecognizer = null;
          }
          var i = 0;
          while (i < recognizers.length) {
            recognizer = recognizers[i];

            // find out if we are allowed try to recognize the input for this one.
            // 1.   allow if the session is NOT forced stopped (see the .stop() method)
            // 2.   allow if we still haven't recognized a gesture in this session, or the this recognizer is the one
            //      that is being recognized.
            // 3.   allow if the recognizer is allowed to run simultaneous with the current recognized recognizer.
            //      this can be setup with the `recognizeWith()` method on the recognizer.
            if (session.stopped !== FORCED_STOP && (
            // 1
            (!curRecognizer || recognizer == curRecognizer || // 2
            recognizer.canRecognizeWith(curRecognizer)))) {
              // 3
              recognizer.recognize(inputData);
            } else {
              recognizer.reset();
            }

            // if the recognizer has been recognizing the input as a valid gesture, we want to store this one as the
            // current active recognizer. but only if we don't already have an active recognizer
            if (!curRecognizer && recognizer.state & (STATE_BEGAN | STATE_CHANGED | STATE_ENDED)) {
              curRecognizer = session.curRecognizer = recognizer;
            }
            i++;
          }
        },
        /**
         * get a recognizer by its event name.
         * @param {Recognizer|String} recognizer
         * @returns {Recognizer|Null}
         */
        get: function (recognizer) {
          if (recognizer instanceof Recognizer) {
            return recognizer;
          }
          var recognizers = this.recognizers;
          for (var i = 0; i < recognizers.length; i++) {
            if (recognizers[i].options.event == recognizer) {
              return recognizers[i];
            }
          }
          return null;
        },
        /**
         * add a recognizer to the manager
         * existing recognizers with the same event name will be removed
         * @param {Recognizer} recognizer
         * @returns {Recognizer|Manager}
         */
        add: function (recognizer) {
          if (invokeArrayArg(recognizer, 'add', this)) {
            return this;
          }

          // remove existing
          var existing = this.get(recognizer.options.event);
          if (existing) {
            this.remove(existing);
          }
          this.recognizers.push(recognizer);
          recognizer.manager = this;
          this.touchAction.update();
          return recognizer;
        },
        /**
         * remove a recognizer by name or instance
         * @param {Recognizer|String} recognizer
         * @returns {Manager}
         */
        remove: function (recognizer) {
          if (invokeArrayArg(recognizer, 'remove', this)) {
            return this;
          }
          recognizer = this.get(recognizer);

          // let's make sure this recognizer exists
          if (recognizer) {
            var recognizers = this.recognizers;
            var index = inArray(recognizers, recognizer);
            if (index !== -1) {
              recognizers.splice(index, 1);
              this.touchAction.update();
            }
          }
          return this;
        },
        /**
         * bind event
         * @param {String} events
         * @param {Function} handler
         * @returns {EventEmitter} this
         */
        on: function (events, handler) {
          if (events === undefined) {
            return;
          }
          if (handler === undefined) {
            return;
          }
          var handlers = this.handlers;
          each(splitStr(events), function (event) {
            handlers[event] = handlers[event] || [];
            handlers[event].push(handler);
          });
          return this;
        },
        /**
         * unbind event, leave emit blank to remove all handlers
         * @param {String} events
         * @param {Function} [handler]
         * @returns {EventEmitter} this
         */
        off: function (events, handler) {
          if (events === undefined) {
            return;
          }
          var handlers = this.handlers;
          each(splitStr(events), function (event) {
            if (!handler) {
              delete handlers[event];
            } else {
              handlers[event] && handlers[event].splice(inArray(handlers[event], handler), 1);
            }
          });
          return this;
        },
        /**
         * emit event to the listeners
         * @param {String} event
         * @param {Object} data
         */
        emit: function (event, data) {
          // we also want to trigger dom events
          if (this.options.domEvents) {
            triggerDomEvent(event, data);
          }

          // no handlers, so skip it all
          var handlers = this.handlers[event] && this.handlers[event].slice();
          if (!handlers || !handlers.length) {
            return;
          }
          data.type = event;
          data.preventDefault = function () {
            data.srcEvent.preventDefault();
          };
          var i = 0;
          while (i < handlers.length) {
            handlers[i](data);
            i++;
          }
        },
        /**
         * destroy the manager and unbinds all events
         * it doesn't unbind dom events, that is the user own responsibility
         */
        destroy: function () {
          this.element && toggleCssProps(this, false);
          this.handlers = {};
          this.session = {};
          this.input.destroy();
          this.element = null;
        }
      };

      /**
       * add/remove the css properties as defined in manager.options.cssProps
       * @param {Manager} manager
       * @param {Boolean} add
       */
      function toggleCssProps(manager, add) {
        var element = manager.element;
        if (!element.style) {
          return;
        }
        var prop;
        each(manager.options.cssProps, function (value, name) {
          prop = prefixed(element.style, name);
          if (add) {
            manager.oldCssProps[prop] = element.style[prop];
            element.style[prop] = value;
          } else {
            element.style[prop] = manager.oldCssProps[prop] || '';
          }
        });
        if (!add) {
          manager.oldCssProps = {};
        }
      }

      /**
       * trigger dom event
       * @param {String} event
       * @param {Object} data
       */
      function triggerDomEvent(event, data) {
        var gestureEvent = document.createEvent('Event');
        gestureEvent.initEvent(event, true, true);
        gestureEvent.gesture = data;
        data.target.dispatchEvent(gestureEvent);
      }
      assign(Hammer, {
        INPUT_START: INPUT_START,
        INPUT_MOVE: INPUT_MOVE,
        INPUT_END: INPUT_END,
        INPUT_CANCEL: INPUT_CANCEL,
        STATE_POSSIBLE: STATE_POSSIBLE,
        STATE_BEGAN: STATE_BEGAN,
        STATE_CHANGED: STATE_CHANGED,
        STATE_ENDED: STATE_ENDED,
        STATE_RECOGNIZED: STATE_RECOGNIZED,
        STATE_CANCELLED: STATE_CANCELLED,
        STATE_FAILED: STATE_FAILED,
        DIRECTION_NONE: DIRECTION_NONE,
        DIRECTION_LEFT: DIRECTION_LEFT,
        DIRECTION_RIGHT: DIRECTION_RIGHT,
        DIRECTION_UP: DIRECTION_UP,
        DIRECTION_DOWN: DIRECTION_DOWN,
        DIRECTION_HORIZONTAL: DIRECTION_HORIZONTAL,
        DIRECTION_VERTICAL: DIRECTION_VERTICAL,
        DIRECTION_ALL: DIRECTION_ALL,
        Manager: Manager,
        Input: Input,
        TouchAction: TouchAction,
        TouchInput: TouchInput,
        MouseInput: MouseInput,
        PointerEventInput: PointerEventInput,
        TouchMouseInput: TouchMouseInput,
        SingleTouchInput: SingleTouchInput,
        Recognizer: Recognizer,
        AttrRecognizer: AttrRecognizer,
        Tap: TapRecognizer,
        Pan: PanRecognizer,
        Swipe: SwipeRecognizer,
        Pinch: PinchRecognizer,
        Rotate: RotateRecognizer,
        Press: PressRecognizer,
        on: addEventListeners,
        off: removeEventListeners,
        each: each,
        merge: merge,
        extend: extend,
        assign: assign,
        inherit: inherit,
        bindFn: bindFn,
        prefixed: prefixed
      });

      // this prevents errors when Hammer is loaded in the presence of an AMD
      //  style loader but by script tag, not by the loader.
      var freeGlobal = typeof window !== 'undefined' ? window : typeof self !== 'undefined' ? self : {}; // jshint ignore:line
      freeGlobal.Hammer = Hammer;
      if (typeof define === 'function' && define.amd) {
        define(function () {
          return Hammer;
        });
      } else if (typeof module != 'undefined' && module.exports) {
        module.exports = Hammer;
      } else {
        window[exportName] = Hammer;
      }
    })(window, document, 'Hammer');
  }, function (modId) {
    var map = {};
    return __REQUIRE__(map[modId], modId);
  });
  return __REQUIRE__(1558102466022);
}();
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