hextris/vendor/hammer.min.js

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2014-05-18 15:43:49 +00:00
/*! Hammer.JS - v1.1.2 - 2014-04-25
* http://eightmedia.github.io/hammer.js
*
* Copyright (c) 2014 Jorik Tangelder <j.tangelder@gmail.com>;
* Licensed under the MIT license */
!function(a,b){"use strict";function c(){d.READY||(s.determineEventTypes(),r.each(d.gestures,function(a){u.register(a)}),s.onTouch(d.DOCUMENT,n,u.detect),s.onTouch(d.DOCUMENT,o,u.detect),d.READY=!0)}var d=function v(a,b){return new v.Instance(a,b||{})};d.VERSION="1.1.2",d.defaults={behavior:{userSelect:"none",touchAction:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},d.DOCUMENT=document,d.HAS_POINTEREVENTS=navigator.pointerEnabled||navigator.msPointerEnabled,d.HAS_TOUCHEVENTS="ontouchstart"in a,d.IS_MOBILE=/mobile|tablet|ip(ad|hone|od)|android|silk/i.test(navigator.userAgent),d.NO_MOUSEEVENTS=d.HAS_TOUCHEVENTS&&d.IS_MOBILE||d.HAS_POINTEREVENTS,d.CALCULATE_INTERVAL=25;var e={},f=d.DIRECTION_DOWN="down",g=d.DIRECTION_LEFT="left",h=d.DIRECTION_UP="up",i=d.DIRECTION_RIGHT="right",j=d.POINTER_MOUSE="mouse",k=d.POINTER_TOUCH="touch",l=d.POINTER_PEN="pen",m=d.EVENT_START="start",n=d.EVENT_MOVE="move",o=d.EVENT_END="end",p=d.EVENT_RELEASE="release",q=d.EVENT_TOUCH="touch";d.READY=!1,d.plugins=d.plugins||{},d.gestures=d.gestures||{};var r=d.utils={extend:function(a,c,d){for(var e in c)!c.hasOwnProperty(e)||a[e]!==b&&d||(a[e]=c[e]);return a},on:function(a,b,c){a.addEventListener(b,c,!1)},off:function(a,b,c){a.removeEventListener(b,c,!1)},each:function(a,c,d){var e,f;if("forEach"in a)a.forEach(c,d);else if(a.length!==b){for(e=0,f=a.length;f>e;e++)if(c.call(d,a[e],e,a)===!1)return}else for(e in a)if(a.hasOwnProperty(e)&&c.call(d,a[e],e,a)===!1)return},inStr:function(a,b){return a.indexOf(b)>-1},inArray:function(a,b){if(a.indexOf){var c=a.indexOf(b);return-1===c?!1:c}for(var d=0,e=a.length;e>d;d++)if(a[d]===b)return d;return!1},toArray:function(a){return Array.prototype.slice.call(a,0)},hasParent:function(a,b){for(;a;){if(a==b)return!0;a=a.parentNode}return!1},getCenter:function(a){var b=[],c=[],d=[],e=[],f=Math.min,g=Math.max;return 1===a.length?{pageX:a[0].pageX,pageY:a[0].pageY,clientX:a[0].clientX,clientY:a[0].clientY}:(r.each(a,function(a){b.push(a.pageX),c.push(a.pageY),d.push(a.clientX),e.push(a.clientY)}),{pageX:(f.apply(Math,b)+g.apply(Math,b))/2,pageY:(f.apply(Math,c)+g.apply(Math,c))/2,clientX:(f.apply(Math,d)+g.apply(Math,d))/2,clientY:(f.apply(Math,e)+g.apply(Math,e))/2})},getVelocity:function(a,b,c){return{x:Math.abs(b/a)||0,y:Math.abs(c/a)||0}},getAngle:function(a,b){var c=b.clientX-a.clientX,d=b.clientY-a.clientY;return 180*Math.atan2(d,c)/Math.PI},getDirection:function(a,b){var c=Math.abs(a.clientX-b.clientX),d=Math.abs(a.clientY-b.clientY);return c>=d?a.clientX-b.clientX>0?g:i:a.clientY-b.clientY>0?h:f},getDistance:function(a,b){var c=b.clientX-a.clientX,d=b.clientY-a.clientY;return Math.sqrt(c*c+d*d)},getScale:function(a,b){return a.length>=2&&b.length>=2?this.getDistance(b[0],b[1])/this.getDistance(a[0],a[1]):1},getRotation:function(a,b){return a.length>=2&&b.length>=2?this.getAngle(b[1],b[0])-this.getAngle(a[1],a[0]):0},isVertical:function(a){return a==h||a==f},setPrefixedCss:function(a,b,c,d){var e=["","Webkit","Moz","O","ms"];b=r.toCamelCase(b);for(var f=0;f<e.length;f++){var g=b;if(e[f]&&(g=e[f]+g.slice(0,1).toUpperCase()+g.slice(1)),g in a.style){a.style[g]=(null==d||d)&&c||"";break}}},toggleBehavior:function(a,b,c){if(b&&a&&a.style){r.each(b,function(b,d){r.setPrefixedCss(a,d,b,c)});var d=c&&function(){return!1};"none"==b.userSelect&&(a.onselectstart=d),"none"==b.userDrag&&(a.ondragstart=d)}},toCamelCase:function(a){return a.replace(/[_-]([a-z])/g,function(a){return a[1].toUpperCase()})}},s=d.event={preventMouseEvents:!1,started:!1,shouldDetect:!1,on:function(a,b,c,d){var e=b.split(" ");r.each(e,function(b){r.on(a,b,c),d&&d(b)})},off:function(a,b,c,d){var e=b.split(" ");r.each(e,function(b){r.off(a,b,c),d&&d(b)})},onTouch:function(a,b,c){var f=this,g=function(e){var g,h=e.type.toLowerCase(),i=d.HAS_POINTEREVENTS,j=r.inStr(h,"mouse");j&&f.preventMouseEvents||(j&&b==m&&0===e.button?(f.preventMouseEvents=!1,f.shouldDetect=!0):i&&b==m?f.shouldDetect=1===e.buttons:j||b!=m||(f.preventMouseEvents=!0,f.shouldDetect=!0),i&&b!=o&&t.updatePointer(b,e),f.shouldDetec