9 lines
13 KiB
JavaScript
9 lines
13 KiB
JavaScript
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/*! Hammer.JS - v1.0.5 - 2013-04-07
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* http://eightmedia.github.com/hammer.js
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*
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* Copyright (c) 2013 Jorik Tangelder <j.tangelder@gmail.com>;
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* Licensed under the MIT license */
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(function(t,e){"use strict";function n(){if(!i.READY){i.event.determineEventTypes();for(var t in i.gestures)i.gestures.hasOwnProperty(t)&&i.detection.register(i.gestures[t]);i.event.onTouch(i.DOCUMENT,i.EVENT_MOVE,i.detection.detect),i.event.onTouch(i.DOCUMENT,i.EVENT_END,i.detection.detect),i.READY=!0}}var i=function(t,e){return new i.Instance(t,e||{})};i.defaults={stop_browser_behavior:{userSelect:"none",touchAction:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},i.HAS_POINTEREVENTS=navigator.pointerEnabled||navigator.msPointerEnabled,i.HAS_TOUCHEVENTS="ontouchstart"in t,i.MOBILE_REGEX=/mobile|tablet|ip(ad|hone|od)|android/i,i.NO_MOUSEEVENTS=i.HAS_TOUCHEVENTS&&navigator.userAgent.match(i.MOBILE_REGEX),i.EVENT_TYPES={},i.DIRECTION_DOWN="down",i.DIRECTION_LEFT="left",i.DIRECTION_UP="up",i.DIRECTION_RIGHT="right",i.POINTER_MOUSE="mouse",i.POINTER_TOUCH="touch",i.POINTER_PEN="pen",i.EVENT_START="start",i.EVENT_MOVE="move",i.EVENT_END="end",i.DOCUMENT=document,i.plugins={},i.READY=!1,i.Instance=function(t,e){var r=this;return n(),this.element=t,this.enabled=!0,this.options=i.utils.extend(i.utils.extend({},i.defaults),e||{}),this.options.stop_browser_behavior&&i.utils.stopDefaultBrowserBehavior(this.element,this.options.stop_browser_behavior),i.event.onTouch(t,i.EVENT_START,function(t){r.enabled&&i.detection.startDetect(r,t)}),this},i.Instance.prototype={on:function(t,e){for(var n=t.split(" "),i=0;n.length>i;i++)this.element.addEventListener(n[i],e,!1);return this},off:function(t,e){for(var n=t.split(" "),i=0;n.length>i;i++)this.element.removeEventListener(n[i],e,!1);return this},trigger:function(t,e){var n=i.DOCUMENT.createEvent("Event");n.initEvent(t,!0,!0),n.gesture=e;var r=this.element;return i.utils.hasParent(e.target,r)&&(r=e.target),r.dispatchEvent(n),this},enable:function(t){return this.enabled=t,this}};var r=null,o=!1,s=!1;i.event={bindDom:function(t,e,n){for(var i=e.split(" "),r=0;i.length>r;r++)t.addEventListener(i[r],n,!1)},onTouch:function(t,e,n){var a=this;this.bindDom(t,i.EVENT_TYPES[e],function(c){var u=c.type.toLowerCase();if(!u.match(/mouse/)||!s){(u.match(/touch/)||u.match(/pointerdown/)||u.match(/mouse/)&&1===c.which)&&(o=!0),u.match(/touch|pointer/)&&(s=!0);var h=0;o&&(i.HAS_POINTEREVENTS&&e!=i.EVENT_END?h=i.PointerEvent.updatePointer(e,c):u.match(/touch/)?h=c.touches.length:s||(h=u.match(/up/)?0:1),h>0&&e==i.EVENT_END?e=i.EVENT_MOVE:h||(e=i.EVENT_END),h||null===r?r=c:c=r,n.call(i.detection,a.collectEventData(t,e,c)),i.HAS_POINTEREVENTS&&e==i.EVENT_END&&(h=i.PointerEvent.updatePointer(e,c))),h||(r=null,o=!1,s=!1,i.PointerEvent.reset())}})},determineEventTypes:function(){var t;t=i.HAS_POINTEREVENTS?i.PointerEvent.getEvents():i.NO_MOUSEEVENTS?["touchstart","touchmove","touchend touchcancel"]:["touchstart mousedown","touchmove mousemove","touchend touchcancel mouseup"],i.EVENT_TYPES[i.EVENT_START]=t[0],i.EVENT_TYPES[i.EVENT_MOVE]=t[1],i.EVENT_TYPES[i.EVENT_END]=t[2]},getTouchList:function(t){return i.HAS_POINTEREVENTS?i.PointerEvent.getTouchList():t.touches?t.touches:[{identifier:1,pageX:t.pageX,pageY:t.pageY,target:t.target}]},collectEventData:function(t,e,n){var r=this.getTouchList(n,e),o=i.POINTER_TOUCH;return(n.type.match(/mouse/)||i.PointerEvent.matchType(i.POINTER_MOUSE,n))&&(o=i.POINTER_MOUSE),{center:i.utils.getCenter(r),timeStamp:(new Date).getTime(),target:n.target,touches:r,eventType:e,pointerType:o,srcEvent:n,preventDefault:function(){this.srcEvent.preventManipulation&&this.srcEvent.preventManipulation(),this.srcEvent.preventDefault&&this.srcEvent.preventDefault()},stopPropagation:function(){this.srcEvent.stopPropagation()},stopDetect:function(){return i.detection.stopDetect()}}}},i.PointerEvent={pointers:{},getTouchList:function(){var t=this,e=[];return Object.keys(t.pointers).sort().forEach(function(n){e.push(t.pointers[n])}),e},updatePointer:function(t,e){return t==i.EVENT_END?this.pointers={}:(e.identifier=e.pointerId,this.pointers[e.pointerId]=e),Object.keys(this.pointers).length},matchType:function(t,e){if(!e.pointerType)return!1;var n=
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