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15 lines
11 KiB
JavaScript
15 lines
11 KiB
JavaScript
/*
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* @fileOverview TouchSwipe - jQuery Plugin
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* @version 1.6.5
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*
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* @author Matt Bryson http://www.github.com/mattbryson
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* @see https://github.com/mattbryson/TouchSwipe-Jquery-Plugin
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* @see http://labs.skinkers.com/touchSwipe/
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* @see http://plugins.jquery.com/project/touchSwipe
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*
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* Copyright (c) 2010 Matt Bryson
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* Dual licensed under the MIT or GPL Version 2 licenses.
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*/
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(function(a){if(typeof define==="function"&&define.amd&&define.amd.jQuery){define(["jquery"],a)}else{a(jQuery)}}(function(e){var o="left",n="right",d="up",v="down",c="in",w="out",l="none",r="auto",k="swipe",s="pinch",x="tap",i="doubletap",b="longtap",A="horizontal",t="vertical",h="all",q=10,f="start",j="move",g="end",p="cancel",a="ontouchstart" in window,y="TouchSwipe";var m={fingers:1,threshold:75,cancelThreshold:null,pinchThreshold:20,maxTimeThreshold:null,fingerReleaseThreshold:250,longTapThreshold:500,doubleTapThreshold:200,swipe:null,swipeLeft:null,swipeRight:null,swipeUp:null,swipeDown:null,swipeStatus:null,pinchIn:null,pinchOut:null,pinchStatus:null,click:null,tap:null,doubleTap:null,longTap:null,triggerOnTouchEnd:true,triggerOnTouchLeave:false,allowPageScroll:"auto",fallbackToMouseEvents:true,excludedElements:"label, button, input, select, textarea, a, .noSwipe"};e.fn.swipe=function(D){var C=e(this),B=C.data(y);if(B&&typeof D==="string"){if(B[D]){return B[D].apply(this,Array.prototype.slice.call(arguments,1))}else{e.error("Method "+D+" does not exist on jQuery.swipe")}}else{if(!B&&(typeof D==="object"||!D)){return u.apply(this,arguments)}}return C};e.fn.swipe.defaults=m;e.fn.swipe.phases={PHASE_START:f,PHASE_MOVE:j,PHASE_END:g,PHASE_CANCEL:p};e.fn.swipe.directions={LEFT:o,RIGHT:n,UP:d,DOWN:v,IN:c,OUT:w};e.fn.swipe.pageScroll={NONE:l,HORIZONTAL:A,VERTICAL:t,AUTO:r};e.fn.swipe.fingers={ONE:1,TWO:2,THREE:3,ALL:h};function u(B){if(B&&(B.allowPageScroll===undefined&&(B.swipe!==undefined||B.swipeStatus!==undefined))){B.allowPageScroll=l}if(B.click!==undefined&&B.tap===undefined){B.tap=B.click}if(!B){B={}}B=e.extend({},e.fn.swipe.defaults,B);return this.each(function(){var D=e(this);var C=D.data(y);if(!C){C=new z(this,B);D.data(y,C)}})}function z(a0,aq){var av=(a||!aq.fallbackToMouseEvents),G=av?"touchstart":"mousedown",au=av?"touchmove":"mousemove",R=av?"touchend":"mouseup",P=av?null:"mouseleave",az="touchcancel";var ac=0,aL=null,Y=0,aX=0,aV=0,D=1,am=0,aF=0,J=null;var aN=e(a0);var W="start";var T=0;var aM=null;var Q=0,aY=0,a1=0,aa=0,K=0;var aS=null;try{aN.bind(G,aJ);aN.bind(az,a5)}catch(ag){e.error("events not supported "+G+","+az+" on jQuery.swipe")}this.enable=function(){aN.bind(G,aJ);aN.bind(az,a5);return aN};this.disable=function(){aG();return aN};this.destroy=function(){aG();aN.data(y,null);return aN};this.option=function(a8,a7){if(aq[a8]!==undefined){if(a7===undefined){return aq[a8]}else{aq[a8]=a7}}else{e.error("Option "+a8+" does not exist on jQuery.swipe.options")}return null};function aJ(a9){if(ax()){return}if(e(a9.target).closest(aq.excludedElements,aN).length>0){return}var ba=a9.originalEvent?a9.originalEvent:a9;var a8,a7=a?ba.touches[0]:ba;W=f;if(a){T=ba.touches.length}else{a9.preventDefault()}ac=0;aL=null;aF=null;Y=0;aX=0;aV=0;D=1;am=0;aM=af();J=X();O();if(!a||(T===aq.fingers||aq.fingers===h)||aT()){ae(0,a7);Q=ao();if(T==2){ae(1,ba.touches[1]);aX=aV=ap(aM[0].start,aM[1].start)}if(aq.swipeStatus||aq.pinchStatus){a8=L(ba,W)}}else{a8=false}if(a8===false){W=p;L(ba,W);return a8}else{ak(true)}return null}function aZ(ba){var bd=ba.originalEvent?ba.originalEvent:ba;if(W===g||W===p||ai()){return}var a9,a8=a?bd.touches[0]:bd;var bb=aD(a8);aY=ao();if(a){T=bd.touches.length}W=j;if(T==2){if(aX==0){ae(1,bd.touches[1]);aX=aV=ap(aM[0].start,aM[1].start)}else{aD(bd.touches[1]);aV=ap(aM[0].end,aM[1].end);aF=an(aM[0].end,aM[1].end)}D=a3(aX,aV);am=Math.abs(aX-aV)}if((T===aq.fingers||aq.fingers===h)||!a||aT()){aL=aH(bb.start,bb.end);ah(ba,aL);ac=aO(bb.start,bb.end);Y=aI();aE(aL,ac);if(aq.swipeStatus||aq.pinchStatus){a9=L(bd,W)}if(!aq.triggerOnTouchEnd||aq.triggerOnTouchLeave){var a7=true;if(aq.triggerOnTouchLeave){var bc=aU(this);a7=B(bb.end,bc)}if(!aq.triggerOnTouchEnd&&a7){W=ay(j)}else{if(aq.triggerOnTouchLeave&&!a7){W=ay(g)}}if(W==p||W==g){L(bd,W)}}}else{W=p;L(bd,W)}if(a9===false){W=p;L(bd,W)}}function I(a7){var a8=a7.originalEvent;if(a){if(a8.touches.length>0){C();return true}}if(ai()){T=aa}a7.preventDefault();aY=ao();Y=aI();if(a6()){W=p;L(a8,W)}else{if(aq.triggerOnTouchEnd||(aq.triggerOnTouchEnd==false&&W===j)){W=g;L(a8,W)}else{if(!aq.triggerOnTouchEnd&&a2()){W=g;aB(a8,W,x)}else{if(W===j){W=p;L(a8,W)}}}}ak(false);return null}function a5(){T=0;aY=0;Q=0;aX=0;aV=0;D=1;O();ak(false)}function H(a7){var a8=a7.originalEvent;if(aq.triggerOnTouchLeave){W=ay(g);L(a8,W)}}function aG(){aN.unbind(G,aJ);aN.unbind(az,a5);aN.unbind(au,aZ);aN.unbind(R,I);if(P){aN.unbind(P,H)}ak(false)}function ay(bb){var ba=bb;var a9=aw();var a8=aj();var a7=a6();if(!a9||a7){ba=p}else{if(a8&&bb==j&&(!aq.triggerOnTouchEnd||aq.triggerOnTouchLeave)){ba=g}else{if(!a8&&bb==g&&aq.triggerOnTouchLeave){ba=p}}}return ba}function L(a9,a7){var a8=undefined;if(F()||S()){a8=aB(a9,a7,k)}else{if((M()||aT())&&a8!==false){a8=aB(a9,a7,s)}}if(aC()&&a8!==false){a8=aB(a9,a7,i)}else{if(al()&&a8!==false){a8=aB(a9,a7,b)}else{if(ad()&&a8!==false){a8=aB(a9,a7,x)}}}if(a7===p){a5(a9)}if(a7===g){if(a){if(a9.touches.length==0){a5(a9)}}else{a5(a9)}}return a8}function aB(ba,a7,a9){var a8=undefined;if(a9==k){aN.trigger("swipeStatus",[a7,aL||null,ac||0,Y||0,T]);if(aq.swipeStatus){a8=aq.swipeStatus.call(aN,ba,a7,aL||null,ac||0,Y||0,T);if(a8===false){return false}}if(a7==g&&aR()){aN.trigger("swipe",[aL,ac,Y,T]);if(aq.swipe){a8=aq.swipe.call(aN,ba,aL,ac,Y,T);if(a8===false){return false}}switch(aL){case o:aN.trigger("swipeLeft",[aL,ac,Y,T]);if(aq.swipeLeft){a8=aq.swipeLeft.call(aN,ba,aL,ac,Y,T)}break;case n:aN.trigger("swipeRight",[aL,ac,Y,T]);if(aq.swipeRight){a8=aq.swipeRight.call(aN,ba,aL,ac,Y,T)}break;case d:aN.trigger("swipeUp",[aL,ac,Y,T]);if(aq.swipeUp){a8=aq.swipeUp.call(aN,ba,aL,ac,Y,T)}break;case v:aN.trigger("swipeDown",[aL,ac,Y,T]);if(aq.swipeDown){a8=aq.swipeDown.call(aN,ba,aL,ac,Y,T)}break}}}if(a9==s){aN.trigger("pinchStatus",[a7,aF||null,am||0,Y||0,T,D]);if(aq.pinchStatus){a8=aq.pinchStatus.call(aN,ba,a7,aF||null,am||0,Y||0,T,D);if(a8===false){return false}}if(a7==g&&a4()){switch(aF){case c:aN.trigger("pinchIn",[aF||null,am||0,Y||0,T,D]);if(aq.pinchIn){a8=aq.pinchIn.call(aN,ba,aF||null,am||0,Y||0,T,D)}break;case w:aN.trigger("pinchOut",[aF||null,am||0,Y||0,T,D]);if(aq.pinchOut){a8=aq.pinchOut.call(aN,ba,aF||null,am||0,Y||0,T,D)}break}}}if(a9==x){if(a7===p||a7===g){clearTimeout(aS);if(V()&&!E()){K=ao();aS=setTimeout(e.proxy(function(){K=null;aN.trigger("tap",[ba.target]);if(aq.tap){a8=aq.tap.call(aN,ba,ba.target)}},this),aq.doubleTapThreshold)}else{K=null;aN.trigger("tap",[ba.target]);if(aq.tap){a8=aq.tap.call(aN,ba,ba.target)}}}}else{if(a9==i){if(a7===p||a7===g){clearTimeout(aS);K=null;aN.trigger("doubletap",[ba.target]);if(aq.doubleTap){a8=aq.doubleTap.call(aN,ba,ba.target)}}}else{if(a9==b){if(a7===p||a7===g){clearTimeout(aS);K=null;aN.trigger("longtap",[ba.target]);if(aq.longTap){a8=aq.longTap.call(aN,ba,ba.target)}}}}}return a8}function aj(){var a7=true;if(aq.threshold!==null){a7=ac>=aq.threshold}return a7}function a6(){var a7=false;if(aq.cancelThreshold!==null&&aL!==null){a7=(aP(aL)-ac)>=aq.cancelThreshold}return a7}function ab(){if(aq.pinchThreshold!==null){return am>=aq.pinchThreshold}return true}function aw(){var a7;if(aq.maxTimeThreshold){if(Y>=aq.maxTimeThreshold){a7=false}else{a7=true}}else{a7=true}return a7}function ah(a7,a8){if(aq.allowPageScroll===l||aT()){a7.preventDefault()}else{var a9=aq.allowPageScroll===r;switch(a8){case o:if((aq.swipeLeft&&a9)||(!a9&&aq.allowPageScroll!=A)){a7.preventDefault()}break;case n:if((aq.swipeRight&&a9)||(!a9&&aq.allowPageScroll!=A)){a7.preventDefault()}break;case d:if((aq.swipeUp&&a9)||(!a9&&aq.allowPageScroll!=t)){a7.preventDefault()}break;case v:if((aq.swipeDown&&a9)||(!a9&&aq.allowPageScroll!=t)){a7.preventDefault()}break}}}function a4(){var a8=aK();var a7=U();var a9=ab();return a8&&a7&&a9}function aT(){return !!(aq.pinchStatus||aq.pinchIn||aq.pinchOut)}function M(){return !!(a4()&&aT())}function aR(){var ba=aw();var bc=aj();var a9=aK();var a7=U();var a8=a6();var bb=!a8&&a7&&a9&&bc&&ba;return bb}function S(){return !!(aq.swipe||aq.swipeStatus||aq.swipeLeft||aq.swipeRight||aq.swipeUp||aq.swipeDown)}function F(){return !!(aR()&&S())}function aK(){return((T===aq.fingers||aq.fingers===h)||!a)}function U(){return aM[0].end.x!==0}function a2(){return !!(aq.tap)}function V(){return !!(aq.doubleTap)}function aQ(){return !!(aq.longTap)}function N(){if(K==null){return false}var a7=ao();return(V()&&((a7-K)<=aq.doubleTapThreshold))}function E(){return N()}function at(){return((T===1||!a)&&(isNaN(ac)||ac===0))}function aW(){return((Y>aq.longTapThreshold)&&(ac<q))}function ad(){return !!(at()&&a2())}function aC(){return !!(N()&&V())}function al(){return !!(aW()&&aQ())}function C(){a1=ao();aa=event.touches.length+1}function O(){a1=0;aa=0}function ai(){var a7=false;if(a1){var a8=ao()-a1;if(a8<=aq.fingerReleaseThreshold){a7=true}}return a7}function ax(){return !!(aN.data(y+"_intouch")===true)}function 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