5 lines
18 KiB
JavaScript
5 lines
18 KiB
JavaScript
/*!
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* PEP v0.4.3 | https://github.com/jquery/PEP
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* Copyright jQuery Foundation and other contributors | http://jquery.org/license
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*/
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.PointerEventsPolyfill=e()}(this,function(){"use strict";function r(t,e){e=e||Object.create(null);var n=document.createEvent("Event");n.initEvent(t,e.bubbles||!1,e.cancelable||!1);for(var i,r=2;r<c.length;r++)n[i=c[r]]=e[i]||l[r];n.buttons=e.buttons||0;var o;return o=e.pressure&&n.buttons?e.pressure:n.buttons?.5:0,n.x=n.clientX,n.y=n.clientY,n.pointerId=e.pointerId||0,n.width=e.width||0,n.height=e.height||0,n.pressure=o,n.tiltX=e.tiltX||0,n.tiltY=e.tiltY||0,n.twist=e.twist||0,n.tangentialPressure=e.tangentialPressure||0,n.pointerType=e.pointerType||"",n.hwTimestamp=e.hwTimestamp||0,n.isPrimary=e.isPrimary||!1,n}function t(){this.array=[],this.size=0}function e(t,e,n,i){this.addCallback=t.bind(i),this.removeCallback=e.bind(i),this.changedCallback=n.bind(i),w&&(this.observer=new w(this.mutationWatcher.bind(this)))}function n(t){return"body /shadow-deep/ 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this.firstTouch===t.identifier},setPrimaryTouch:function(t){(0===k.size||1===k.size&&k.has(1))&&(this.firstTouch=t.identifier,this.firstXY={X:t.clientX,Y:t.clientY},this.scrolling=!1,this.cancelResetClickCount())},removePrimaryPointer:function(t){t.isPrimary&&(this.firstTouch=null,this.firstXY=null,this.resetClickCount())},clickCount:0,resetId:null,resetClickCount:function(){var t=function(){this.clickCount=0,this.resetId=null}.bind(this);this.resetId=setTimeout(t,200)},cancelResetClickCount:function(){this.resetId&&clearTimeout(this.resetId)},typeToButtons:function(t){var e=0;return"touchstart"!==t&&"touchmove"!==t||(e=1),e},touchToPointer:function(t){var e=this.currentTouchEvent,n=m.cloneEvent(t),i=n.pointerId=t.identifier+2;n.target=D[i]||L(n),n.bubbles=!0,n.cancelable=!0,n.detail=this.clickCount,n.button=0,n.buttons=this.typeToButtons(e.type),n.width=2*(t.radiusX||t.webkitRadiusX||0),n.height=2*(t.radiusY||t.webkitRadiusY||0),n.pressure=t.force||t.webkitForce||.5,n.isPrimary=this.isPrimaryTouch(t),n.pointerType=this.POINTER_TYPE,n.altKey=e.altKey,n.ctrlKey=e.ctrlKey,n.metaKey=e.metaKey,n.shiftKey=e.shiftKey;var r=this;return n.preventDefault=function(){r.scrolling=!1,r.firstXY=null,e.preventDefault()},n},processTouches:function(t,e){var n=t.changedTouches;this.currentTouchEvent=t;for(var i,r=0;r<n.length;r++)i=n[r],e.call(this,this.touchToPointer(i))},shouldScroll:function(t){if(this.firstXY){var e,n=t.currentTarget._scrollType;if("none"===n)e=!1;else if("XY"===n)e=!0;else{var i=t.changedTouches[0],r=n,o="Y"===n?"X":"Y",a=Math.abs(i["client"+r]-this.firstXY[r]);e=Math.abs(i["client"+o]-this.firstXY[o])<=a}return 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e=m.makeEvent("lostpointercapture",t);m.dispatchEvent(e)},MSGotPointerCapture:function(t){var e=m.makeEvent("gotpointercapture",t);m.dispatchEvent(e)}},H=window.navigator;return K=H.msPointerEnabled?(x=function(t){a(t),s(this),u(t)&&(m.setCapture(t,this,!0),this.msSetPointerCapture(t))},function(t){a(t),m.releaseCapture(t,!0),this.msReleasePointerCapture(t)}):(x=function(t){a(t),s(this),u(t)&&m.setCapture(t,this)},function(t){a(t),m.releaseCapture(t)}),j=function(t){return!!m.captureInfo[t]},function(){if(I){S.forEach(function(t){String(t)===t?(O+=i(t)+o(t)+"\n",M&&(O+=n(t)+o(t)+"\n")):(O+=t.selectors.map(i)+o(t.rule)+"\n",M&&(O+=t.selectors.map(n)+o(t.rule)+"\n"))});var t=document.createElement("style");t.textContent=O,document.head.appendChild(t)}}(),function(){if(!window.PointerEvent){if(window.PointerEvent=r,window.navigator.msPointerEnabled){var t=window.navigator.msMaxTouchPoints;Object.defineProperty(window.navigator,"maxTouchPoints",{value:t,enumerable:!0}),m.registerSource("ms",z)}else Object.defineProperty(window.navigator,"maxTouchPoints",{value:0,enumerable:!0}),m.registerSource("mouse",_),void 0!==window.ontouchstart&&m.registerSource("touch",F);m.register(document)}}(),window.Element&&!Element.prototype.setPointerCapture&&Object.defineProperties(Element.prototype,{setPointerCapture:{value:x},releasePointerCapture:{value:K},hasPointerCapture:{value:j}}),{dispatcher:m,Installer:e,PointerEvent:r,PointerMap:h,targetFinding:E}}); |