touch.min.js

/*! touchjs.min v0.2.14  2014-08-05 */
"use strict";!function(a,b){"function"==typeof define&&(define.amd||define.cmd)?define(b):a.touch=b()}(this,function(){function a(){var a="mouseup mousedown mousemove mouseout",c="touchstart touchmove touchend touchcancel",d=b.hasTouch?c:a;d.split(" ").forEach(function(a){document.addEventListener(a,A,!1)})}var b={};b.PCevts={touchstart:"mousedown",touchmove:"mousemove",touchend:"mouseup",touchcancel:"mouseout"},b.hasTouch="ontouchstart"in window,b.getType=function(a){return Object.prototype.toString.call(a).match(/\s([a-z|A-Z]+)/)[1].toLowerCase()},b.getSelector=function(a){if(a.id)return"#"+a.id;if(a.className){var b=a.className.split(/\s+/);return"."+b.join(".")}return a===document?"body":a.tagName.toLowerCase()},b.matchSelector=function(a,b){return a.webkitMatchesSelector(b)},b.getEventListeners=function(a){return a.listeners},b.getPCevts=function(a){return this.PCevts[a]||a},b.forceReflow=function(){var 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f=a.listeners[b];f.forEach(function(c){a.removeEventListener(b,c,!1)})}}},d={tap:!0,doubleTap:!0,tapMaxDistance:10,hold:!0,tapTime:200,holdTime:650,maxDoubleTapInterval:300,swipe:!0,swipeTime:300,swipeMinDistance:18,swipeFactor:5,drag:!0,pinch:!0,minScaleRate:0,minRotationAngle:0},e={TOUCH_START:"touchstart",TOUCH_MOVE:"touchmove",TOUCH_END:"touchend",TOUCH_CANCEL:"touchcancel",MOUSE_DOWN:"mousedown",MOUSE_MOVE:"mousemove",MOUSE_UP:"mouseup",CLICK:"click",PINCH_START:"pinchstart",PINCH_END:"pinchend",PINCH:"pinch",PINCH_IN:"pinchin",PINCH_OUT:"pinchout",ROTATION_LEFT:"rotateleft",ROTATION_RIGHT:"rotateright",ROTATION:"rotate",SWIPE_START:"swipestart",SWIPING:"swiping",SWIPE_END:"swipeend",SWIPE_LEFT:"swipeleft",SWIPE_RIGHT:"swiperight",SWIPE_UP:"swipeup",SWIPE_DOWN:"swipedown",SWIPE:"swipe",DRAG:"drag",DRAGSTART:"dragstart",DRAGEND:"dragend",HOLD:"hold",TAP:"tap",DOUBLE_TAP:"doubletap"},f={start:null,move:null,end:null},g=0,h=null,i=null,j=null,k=!1,l=!1,m=!1,n={},o=!1,p=null,q=!1,r=null,s=1,t=!1,u=[],v=0,w=0,x=0,y=null,z={getAngleDiff:function(a){for(var 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d=a.target;if(t&&b.getFingers(a)<2){if(!f.move)return;if(u.length<2){var g=b.getXYByElement(d);u=[{x:g.left+d.offsetWidth/2,y:g.top+d.offsetHeight/2},f.move[0]],v=parseInt(b.getAngle180(u[0],u[1]),10)}var h=[u[0],f.move[0]],i=this.getAngleDiff(h),j={type:"",originEvent:a,rotation:i,direction:i>0?"right":"left",fingersCount:b.getFingers(a)};b.isTouchMove(a)?j.fingerStatus="move":(b.isTouchEnd(a)||"mouseout"===a.type)&&(j.fingerStatus="end",c.trigger(d,e.PINCH_END,j),b.reset());var k=i>0?e.ROTATION_RIGHT:e.ROTATION_LEFT;c.trigger(d,k,j),c.trigger(d,e.ROTATION,j)}},swipe:function(a){var h=a.target;if(o&&f.move&&!(b.getFingers(a)>1)){var i=Date.now(),j=i-g,l=b.getDistance(f.start[0],f.move[0]),p={x:f.move[0].x-n.left,y:f.move[0].y-n.top},q=b.getAngle(f.start[0],f.move[0]),r=b.getDirectionFromAngle(q),s=j/1e3,t=10*(10-d.swipeFactor)*s*s,u={type:e.SWIPE,originEvent:a,position:p,direction:r,distance:l,distanceX:f.move[0].x-f.start[0].x,distanceY:f.move[0].y-f.start[0].y,x:f.move[0].x-f.start[0].x,y:f.move[0].y-f.start[0].y,angle:q,duration:j,fingersCount:b.getFingers(a),factor:t};if(d.swipe){var v=function(){var a=e;switch(r){case"up":c.trigger(h,a.SWIPE_UP,u);break;case"down":c.trigger(h,a.SWIPE_DOWN,u);break;case"left":c.trigger(h,a.SWIPE_LEFT,u);break;case"right":c.trigger(h,a.SWIPE_RIGHT,u)}};k?b.isTouchMove(a)?(u.fingerStatus=u.swipe="move",c.trigger(h,e.SWIPING,u),j>d.swipeTime&&j<d.swipeTime+50&&l>d.swipeMinDistance&&(v(),c.trigger(h,e.SWIPE,u,!1))):(b.isTouchEnd(a)||"mouseout"===a.type)&&(u.fingerStatus=u.swipe="end",c.trigger(h,e.SWIPE_END,u),d.swipeTime>j&&l>d.swipeMinDistance&&(v(),c.trigger(h,e.SWIPE,u,!1))):(u.fingerStatus=u.swipe="start",k=!0,c.trigger(h,e.SWIPE_START,u))}d.drag&&(m?b.isTouchMove(a)?(u.fingerStatus=u.swipe="move",c.trigger(h,e.DRAG,u)):b.isTouchEnd(a)&&(u.fingerStatus=u.swipe="end",c.trigger(h,e.DRAGEND,u)):(u.fingerStatus=u.swipe="start",m=!0,c.trigger(h,e.DRAGSTART,u)))}},tap:function(a){var h=a.target;if(d.tap){var i=Date.now(),j=i-g,k=b.getDistance(f.start[0],f.move?f.move[0]:f.start[0]);clearTimeout(p);var l=function(){if(y&&d.doubleTap&&g-x<d.maxDoubleTapInterval){var a=b.getDistance(y,f.start[0]);if(16>a)return!0}return!1}();if(l)return clearTimeout(r),void c.trigger(h,e.DOUBLE_TAP,{type:e.DOUBLE_TAP,originEvent:a,position:f.start[0]});if(d.tapMaxDistance<k)return;d.holdTime>j&&b.getFingers(a)<=1&&(q=!0,x=i,y=f.start[0],r=setTimeout(function(){c.trigger(h,e.TAP,{type:e.TAP,originEvent:a,fingersCount:b.getFingers(a),position:y})},d.tapTime))}},hold:function(a){var e=a.target;d.hold&&(clearTimeout(p),p=setTimeout(function(){if(f.start){var g=b.getDistance(f.start[0],f.move?f.move[0]:f.start[0]);d.tapMaxDistance<g||q||c.trigger(e,"hold",{type:"hold",originEvent:a,fingersCount:b.getFingers(a),position:f.start[0]})}},d.holdTime))}},A=function(a){var c=a.target;switch(a.type){case"touchstart":case"mousedown":u=[],o=!0,(!f.start||f.start.length<2)&&(f.start=b.getPosOfEvent(a)),b.getFingers(a)>=2&&(v=parseInt(b.getAngle180(f.start[0],f.start[1]),10)),g=Date.now(),h=a,n={};var d=c.getBoundingClientRect(),e=document.documentElement;n={top:d.top+(window.pageYOffset||e.scrollTop)-(e.clientTop||0),left:d.left+(window.pageXOffset||e.scrollLeft)-(e.clientLeft||0)},z.hold(a);break;case"touchmove":case"mousemove":if(!o||!f.start)return;f.move=b.getPosOfEvent(a),b.getFingers(a)>=2?z.pinch(a):t?z.rotateSingleFinger(a):z.swipe(a);break;case"touchend":case"touchcancel":case"mouseup":case"mouseout":if(!o)return;j=a,l?z.pinch(a):t?z.rotateSingleFinger(a):k?z.swipe(a):z.tap(a),b.reset(),v=0,w=0,a.touches&&1===a.touches.length&&(o=!0,t=!0)}},B=function(){function a(a){b.hasTouch||(a=b.getPCevts(a)),j.forEach(function(b){c.delegate(b,a,h,g[a])})}function d(a){b.hasTouch||(a=b.getPCevts(a)),j.forEach(function(b){c.bind(b,a,g[a])})}var e,f,g,h,i=arguments;if(i.length<2||i>4)return console.error("unexpected arguments!");var j="string"===b.getType(i[0])?document.querySelectorAll(i[0]):i[0];if(j=j.length?Array.prototype.slice.call(j):[j],3===i.length&&"string"===b.getType(i[1]))return e=i[1].split(" "),f=i[2],void e.forEach(function(a){b.hasTouch||(a=b.getPCevts(a)),j.forEach(function(b){c.bind(b,a,f)})});if(3!==i.length||"object"!==b.getType(i[1]))if(2!==i.length||"object"!==b.getType(i[1])){if(4===i.length&&"object"===b.getType(i[2]))return e=i[1].split(" "),f=i[3],void e.forEach(function(a){b.hasTouch||(a=b.getPCevts(a)),j.forEach(function(b){c.bind(b,a,f)})});if(4===i.length){var k=j[0];return e=i[1].split(" "),h=i[2],f=i[3],void e.forEach(function(a){b.hasTouch||(a=b.getPCevts(a)),c.delegate(k,a,h,f)})}}else{g=i[1];for(var l in g)d(l)}else{g=i[1],h=i[2];for(var m in g)a(m)}},C=function(){var a,d,e=arguments;if(e.length<1||e.length>4)return console.error("unexpected arguments!");var f="string"===b.getType(e[0])?document.querySelectorAll(e[0]):e[0];if(f=f.length?Array.prototype.slice.call(f):[f],1===e.length||2===e.length)return void f.forEach(function(d){a=e[1]?e[1].split(" "):Object.keys(d.listeners),a.length&&a.forEach(function(a){b.hasTouch||(a=b.getPCevts(a)),c.unbind(d,a),c.undelegate(d,a)})});if(3===e.length&&"function"===b.getType(e[2]))return d=e[2],void f.forEach(function(f){a=e[1].split(" "),a.forEach(function(a){b.hasTouch||(a=b.getPCevts(a)),c.unbind(f,a,d)})});if(3===e.length&&"string"===b.getType(e[2])){var g=e[2];return void f.forEach(function(d){a=e[1].split(" "),a.forEach(function(a){b.hasTouch||(a=b.getPCevts(a)),c.undelegate(d,a,g)})})}return 4===e.length?(d=e[3],void f.forEach(function(f){a=e[1].split(" "),a.forEach(function(a){b.hasTouch||(a=b.getPCevts(a)),c.undelegate(f,a,g,d)})})):void 0},D=function(a,d,e){var f=arguments;b.hasTouch||(d=b.getPCevts(d));var g="string"===b.getType(f[0])?document.querySelectorAll(f[0]):f[0];g=g.length?Array.prototype.call(g):[g],g.forEach(function(a){c.trigger(a,d,e)})};a();var E={};return E.on=E.bind=E.live=B,E.off=E.unbind=E.die=C,E.config=d,E.trigger=D,E});