2019-01-16 10:37:25 +00:00
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!function(t,e){"function"==typeof define&&define.amd?define("ev-emitter/ev-emitter",e):"object"==typeof module&&module.exports?module.exports=e():t.EvEmitter=e()}("undefined"!=typeof window?window:this,function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var n=this._events=this._events||{},i=n[t]=n[t]||[];return-1==i.indexOf(e)&&i.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var n=this._onceEvents=this._onceEvents||{};return(n[t]=n[t]||{})[e]=!0,this}},e.off=function(t,e){var n=this._events&&this._events[t];if(n&&n.length){var i=n.indexOf(e);return-1!=i&&n.splice(i,1),this}},e.emitEvent=function(t,e){var n=this._events&&this._events[t];if(n&&n.length){var i=0,o=n[i];e=e||[];for(var s=this._onceEvents&&this._onceEvents[t];o;){var r=s&&s[o];r&&(this.off(t,o),delete s[o]),o.apply(this,e),i+=r?0:1,o=n[i]}return this}},t}),function(t,e){"function"==typeof define&&define.amd?define("unipointer/unipointer",["ev-emitter/ev-emitter"],function(n){return e(t,n)}):"object"==typeof module&&module.exports?module.exports=e(t,require("ev-emitter")):t.Unipointer=e(t,t.EvEmitter)}(window,function(t,e){function n(){}function i(){}var o=i.prototype=Object.create(e.prototype);o.bindStartEvent=function(t){this._bindStartEvent(t,!0)},o.unbindStartEvent=function(t){this._bindStartEvent(t,!1)},o._bindStartEvent=function(e,n){n=void 0===n||!!n;var i=n?"addEventListener":"removeEventListener";t.navigator.pointerEnabled?e[i]("pointerdown",this):t.navigator.msPointerEnabled?e[i]("MSPointerDown",this):(e[i]("mousedown",this),e[i]("touchstart",this))},o.handleEvent=function(t){var e="on"+t.type;this[e]&&this[e](t)},o.getTouch=function(t){for(var e=0;e<t.length;e++){var n=t[e];if(n.identifier==this.pointerIdentifier)return n}},o.onmousedown=function(t){var e=t.button;e&&0!==e&&1!==e||this._pointerDown(t,t)},o.ontouchstart=function(t){this._pointerDown(t,t.changedTouches[0])},o.onMSPointerDown=o.onpointerdown=function(t){this._pointerDown(t,t)},o._pointerDown=function(t,e){this.isPointerDown||(this.isPointerDown=!0,this.pointerIdentifier=void 0!==e.pointerId?e.pointerId:e.identifier,this.pointerDown(t,e))},o.pointerDown=function(t,e){this._bindPostStartEvents(t),this.emitEvent("pointerDown",[t,e])};var s={mousedown:["mousemove","mouseup"],touchstart:["touchmove","touchend","touchcancel"],pointerdown:["pointermove","pointerup","pointercancel"],MSPointerDown:["MSPointerMove","MSPointerUp","MSPointerCancel"]};return o._bindPostStartEvents=function(e){if(e){var n=s[e.type];n.forEach(function(e){t.addEventListener(e,this)},this),this._boundPointerEvents=n}},o._unbindPostStartEvents=function(){this._boundPointerEvents&&(this._boundPointerEvents.forEach(function(e){t.removeEventListener(e,this)},this),delete this._boundPointerEvents)},o.onmousemove=function(t){this._pointerMove(t,t)},o.onMSPointerMove=o.onpointermove=function(t){t.pointerId==this.pointerIdentifier&&this._pointerMove(t,t)},o.ontouchmove=function(t){var e=this.getTouch(t.changedTouches);e&&this._pointerMove(t,e)},o._pointerMove=function(t,e){this.pointerMove(t,e)},o.pointerMove=function(t,e){this.emitEvent("pointerMove",[t,e])},o.onmouseup=function(t){this._pointerUp(t,t)},o.onMSPointerUp=o.onpointerup=function(t){t.pointerId==this.pointerIdentifier&&this._pointerUp(t,t)},o.ontouchend=function(t){var e=this.getTouch(t.changedTouches);e&&this._pointerUp(t,e)},o._pointerUp=function(t,e){this._pointerDone(),this.pointerUp(t,e)},o.pointerUp=function(t,e){this.emitEvent("pointerUp",[t,e])},o._pointerDone=function(){this.isPointerDown=!1,delete this.pointerIdentifier,this._unbindPostStartEvents(),this.pointerDone()},o.pointerDone=n,o.onMSPointerCancel=o.onpointercancel=function(t){t.pointerId==this.pointerIdentifier&&this._pointerCancel(t,t)},o.ontouchcancel=function(t){var e=this.getTouch(t.changedTouches);e&&this._pointerCancel(t,e)},o._pointerCancel=function(t,e){this._pointerDone(),this.pointerCancel(t,e)},o.pointerCancel=function(t,e){this.emitEvent("pointerCancel",[t,e])},i.getPointerPoint=function(t){return{x:t.pageX,y:t.pageY}},i}),function(t,e){"function
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