/*! Hammer.JS - v2.0.4 - 2014-09-28 * http://hammerjs.github.io/ * * Copyright (c) 2014 Jorik Tangelder; * Licensed under the MIT license */ !function(a,b,c,d){"use strict";function k(a,b,c){return setTimeout(q(a,c),b)}function l(a,b,c){return Array.isArray(a)?(m(a,c[b],c),!0):!1}function m(a,b,c){var e;if(a)if(a.forEach)a.forEach(b,c);else if(a.length!==d)for(e=0;e-1}function x(a){return a.trim().split(/\s+/g)}function y(a,b,c){if(a.indexOf&&!c)return a.indexOf(b);for(var d=0;dc[b]}):d.sort()),d}function B(a,b){for(var c,f,g=b[0].toUpperCase()+b.slice(1),h=0;h1&&!c.firstMultiple?c.firstMultiple=gb(b):1===e&&(c.firstMultiple=!1);var f=c.firstInput,g=c.firstMultiple,h=g?g.center:f.center,i=b.center=hb(d);b.timeStamp=j(),b.deltaTime=b.timeStamp-f.timeStamp,b.angle=lb(h,i),b.distance=kb(h,i),eb(c,b),b.offsetDirection=jb(b.deltaX,b.deltaY),b.scale=g?nb(g.pointers,d):1,b.rotation=g?mb(g.pointers,d):0,fb(c,b);var k=a.element;v(b.srcEvent.target,k)&&(k=b.srcEvent.target),b.target=k}function eb(a,b){var c=b.center,d=a.offsetDelta||{},e=a.prevDelta||{},f=a.prevInput||{};(b.eventType===O||f.eventType===Q)&&(e=a.prevDelta={x:f.deltaX||0,y:f.deltaY||0},d=a.offsetDelta={x:c.x,y:c.y}),b.deltaX=e.x+(c.x-d.x),b.deltaY=e.y+(c.y-d.y)}function fb(a,b){var f,g,h,j,c=a.lastInterval||b,e=b.timeStamp-c.timeStamp;if(b.eventType!=R&&(e>N||c.velocity===d)){var k=c.deltaX-b.deltaX,l=c.deltaY-b.deltaY,m=ib(e,k,l);g=m.x,h=m.y,f=i(m.x)>i(m.y)?m.x:m.y,j=jb(k,l),a.lastInterval=b}else f=c.velocity,g=c.velocityX,h=c.velocityY,j=c.direction;b.velocity=f,b.velocityX=g,b.velocityY=h,b.direction=j}function gb(a){for(var b=[],c=0;ce;)c+=a[e].clientX,d+=a[e].clientY,e++;return{x:h(c/b),y:h(d/b)}}function ib(a,b,c){return{x:b/a||0,y:c/a||0}}function jb(a,b){return a===b?S:i(a)>=i(b)?a>0?T:U:b>0?V:W}function kb(a,b,c){c||(c=$);var d=b[c[0]]-a[c[0]],e=b[c[1]]-a[c[1]];return Math.sqrt(d*d+e*e)}function lb(a,b,c){c||(c=$);var d=b[c[0]]-a[c[0]],e=b[c[1]]-a[c[1]];return 180*Math.atan2(e,d)/Math.PI}function mb(a,b){return lb(b[1],b[0],_)-lb(a[1],a[0],_)}function nb(a,b){return kb(b[0],b[1],_)/kb(a[0],a[1],_)}function rb(){this.evEl=pb,this.evWin=qb,this.allow=!0,this.pressed=!1,ab.apply(this,arguments)}function wb(){this.evEl=ub,this.evWin=vb,ab.apply(this,arguments),this.store=this.manager.session.pointerEvents=[]}function Ab(){this.evTarget=yb,this.evWin=zb,this.started=!1,ab.apply(this,arguments)}function Bb(a,b){var c=z(a.touches),d=z(a.changedTouches);return b&(Q|R)&&(c=A(c.concat(d),"identifier",!0)),[c,d]}function Eb(){this.evTarget=Db,this.targetIds={},ab.apply(this,arguments)}function Fb(a,b){var c=z(a.touches),d=this.targetIds;if(b&(O|P)&&1===c.length)return d[c[0].identifier]=!0,[c,c];var e,f,g=z(a.changedTouches),h=[],i=this.target;if(f=c.filter(function(a){return v(a.target,i)}),b===O)for(e=0;eh&&(b.push(a),h=b.length-1):e&(Q|R)&&(c=!0),0>h||(b[h]=a,this.callback(this.manager,e,{pointers:b,changedPointers:[a],pointerType:f,srcEvent:a}),c&&b.splice(h,1))}});var xb={touchstart:O,touchmove:P,touchend:Q,touchcancel:R},yb="touchstart",zb="touchstart touchmove touchend touchcancel";p(Ab,ab,{handler:function(a){var b=xb[a.type];if(b===O&&(this.started=!0),this.started){var c=Bb.call(this,a,b);b&(Q|R)&&0===c[0].length-c[1].length&&(this.started=!1),this.callback(this.manager,b,{pointers:c[0],changedPointers:c[1],pointerType:J,srcEvent:a})}}});var Cb={touchstart:O,touchmove:P,touchend:Q,touchcancel:R},Db="touchstart touchmove touchend touchcancel";p(Eb,ab,{handler:function(a){var b=Cb[a.type],c=Fb.call(this,a,b);c&&this.callback(this.manager,b,{pointers:c[0],changedPointers:c[1],pointerType:J,srcEvent:a})}}),p(Gb,ab,{handler:function(a,b,c){var d=c.pointerType==J,e=c.pointerType==L;if(d)this.mouse.allow=!1;else if(e&&!this.mouse.allow)return;b&(Q|R)&&(this.mouse.allow=!0),this.callback(a,b,c)},destroy:function(){this.touch.destroy(),this.mouse.destroy()}});var Hb=B(f.style,"touchAction"),Ib=Hb!==d,Jb="compute",Kb="auto",Lb="manipulation",Mb="none",Nb="pan-x",Ob="pan-y";Pb.prototype={set:function(a){a==Jb&&(a=this.compute()),Ib&&(this.manager.element.style[Hb]=a),this.actions=a.toLowerCase().trim()},update:function(){this.set(this.manager.options.touchAction)},compute:function(){var a=[];return m(this.manager.recognizers,function(b){r(b.options.enable,[b])&&(a=a.concat(b.getTouchAction()))}),Qb(a.join(" "))},preventDefaults:function(a){if(!Ib){var b=a.srcEvent,c=a.offsetDirection;if(this.manager.session.prevented)return b.preventDefault(),void 0;var d=this.actions,e=w(d,Mb),f=w(d,Ob),g=w(d,Nb);return e||f&&c&X||g&&c&Y?this.preventSrc(b):void 0}},preventSrc:function(a){this.manager.session.prevented=!0,a.preventDefault()}};var Rb=1,Sb=2,Tb=4,Ub=8,Vb=Ub,Wb=16,Xb=32;Yb.prototype={defaults:{},set:function(a){return n(this.options,a),this.manager&&this.manager.touchAction.update(),this},recognizeWith:function(a){if(l(a,"recognizeWith",this))return 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a=0;af?T:U,c=f!=this.pX,d=Math.abs(a.deltaX)):(e=0===g?S:0>g?V:W,c=g!=this.pY,d=Math.abs(a.deltaY))),a.direction=e,c&&d>b.threshold&&e&b.direction},attrTest:function(a){return ac.prototype.attrTest.call(this,a)&&(this.state&Sb||!(this.state&Sb)&&this.directionTest(a))},emit:function(a){this.pX=a.deltaX,this.pY=a.deltaY;var b=$b(a.direction);b&&this.manager.emit(this.options.event+b,a),this._super.emit.call(this,a)}}),p(cc,ac,{defaults:{event:"pinch",threshold:0,pointers:2},getTouchAction:function(){return[Mb]},attrTest:function(a){return this._super.attrTest.call(this,a)&&(Math.abs(a.scale-1)>this.options.threshold||this.state&Sb)},emit:function(a){if(this._super.emit.call(this,a),1!==a.scale){var b=a.scale<1?"in":"out";this.manager.emit(this.options.event+b,a)}}}),p(dc,Yb,{defaults:{event:"press",pointers:1,time:500,threshold:5},getTouchAction:function(){return[Kb]},process:function(a){var b=this.options,c=a.pointers.length===b.pointers,d=a.distanceb.time;if(this._input=a,!d||!c||a.eventType&(Q|R)&&!e)this.reset();else if(a.eventType&O)this.reset(),this._timer=k(function(){this.state=Vb,this.tryEmit()},b.time,this);else if(a.eventType&Q)return Vb;return Xb},reset:function(){clearTimeout(this._timer)},emit:function(a){this.state===Vb&&(a&&a.eventType&Q?this.manager.emit(this.options.event+"up",a):(this._input.timeStamp=j(),this.manager.emit(this.options.event,this._input)))}}),p(ec,ac,{defaults:{event:"rotate",threshold:0,pointers:2},getTouchAction:function(){return[Mb]},attrTest:function(a){return this._super.attrTest.call(this,a)&&(Math.abs(a.rotation)>this.options.threshold||this.state&Sb)}}),p(fc,ac,{defaults:{event:"swipe",threshold:10,velocity:.65,direction:X|Y,pointers:1},getTouchAction:function(){return bc.prototype.getTouchAction.call(this)},attrTest:function(a){var c,b=this.options.direction;return b&(X|Y)?c=a.velocity:b&X?c=a.velocityX:b&Y&&(c=a.velocityY),this._super.attrTest.call(this,a)&&b&a.direction&&a.distance>this.options.threshold&&i(c)>this.options.velocity&&a.eventType&Q},emit:function(a){var b=$b(a.direction);b&&this.manager.emit(this.options.event+b,a),this.manager.emit(this.options.event,a)}}),p(gc,Yb,{defaults:{event:"tap",pointers:1,taps:1,interval:300,time:250,threshold:2,posThreshold:10},getTouchAction:function(){return[Lb]},process:function(a){var b=this.options,c=a.pointers.length===b.pointers,d=a.distance