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this.canStart(t)?(this.requestedStart.set(e,r),!0):(this.requestedStart.delete(e),!1)},t.prototype.capture=function(t,e,r){if(!this.start(t,e,r))return!1;var i=this.requestedStart,s=-1e4;if(i.forEach(function(t){s=Math.max(s,t)}),s===r){this.capturedId=e,i.clear();var n=new CustomEvent(\"ionGestureCaptured\",{detail:{gestureName:t}});return this.doc.dispatchEvent(n),!0}return i.delete(e),!1},t.prototype.release=function(t){this.requestedStart.delete(t),this.capturedId===t&&(this.capturedId=void 0)},t.prototype.disableGesture=function(t,e){var r=this.disabledGestures.get(t);void 0===r&&(r=new Set,this.disabledGestures.set(t,r)),r.add(e)},t.prototype.enableGesture=function(t,e){var r=this.disabledGestures.get(t);void 0!==r&&r.delete(e)},t.prototype.disableScroll=function(t){this.disabledScroll.add(t),1===this.disabledScroll.size&&this.doc.body.classList.add(BACKDROP_NO_SCROLL)},t.prototype.enableScroll=function(t){this.disabledScroll.delete(t),0===this.disabledScroll.size&&this.doc.body.classList.remove(BACKDROP_NO_SCROLL)},t.prototype.canStart=function(t){return void 0===this.capturedId&&!this.isDisabled(t)},t.prototype.isCaptured=function(){return void 0!==this.capturedId},t.prototype.isScrollDisabled=function(){return this.disabledScroll.size>0},t.prototype.isDisabled=function(t){var e=this.disabledGestures.get(t);return!!(e&&e.size>0)},t.prototype.newID=function(){return this.gestureId++,this.gestureId},t}(),GestureDelegate=function(){function t(t,e,r,i,s){this.id=e,this.name=r,this.disableScroll=s,this.priority=1e6*i+e,this.ctrl=t}return t.prototype.canStart=function(){return!!this.ctrl&&this.ctrl.canStart(this.name)},t.prototype.start=function(){return!!this.ctrl&&this.ctrl.start(this.name,this.id,this.priority)},t.prototype.capture=function(){if(!this.ctrl)return!1;var t=this.ctrl.capture(this.name,this.id,this.priority);return t&&this.disableScroll&&this.ctrl.disableScroll(this.id),t},t.prototype.release=function(){this.ctrl&&(this.ctrl.release(this.id),this.disableScroll&&this.ctrl.enableScroll(this.id))},t.prototype.destroy=function(){this.release(),this.ctrl=void 0},t}(),BlockerDelegate=function(){function t(t,e,r,i){this.id=e,this.disable=r,this.disableScroll=i,this.ctrl=t}return t.prototype.block=function(){if(this.ctrl){if(this.disable)for(var t=0,e=this.disable;t<e.length;t++)this.ctrl.disableGesture(e[t],this.id);this.disableScroll&&this.ctrl.disableScroll(this.id)}},t.prototype.unblock=function(){if(this.ctrl){if(this.disable)for(var t=0,e=this.disable;t<e.length;t++)this.ctrl.enableGesture(e[t],this.id);this.disableScroll&&this.ctrl.enableScroll(this.id)}},t.prototype.destroy=function(){this.unblock(),this.ctrl=void 0},t}(),BACKDROP_NO_SCROLL=\"backdrop-no-scroll\",GESTURE_CONTROLLER=new GestureController(document);function addEventListener(t,e,r,i){var s,n,o=supportsPassive(t)?{capture:!!i.capture,passive:!!i.passive}:!!i.capture;return t.__zone_symbol__addEventListener?(s=\"__zone_symbol__addEventListener\",n=\"__zone_symbol__removeEventListener\"):(s=\"addEventListener\",n=\"removeEventListener\"),t[s](e,r,o),function(){t[n](e,r,o)}}function supportsPassive(t){if(void 0===_sPassive)try{var e=Object.defineProperty({},\"passive\",{get:function(){_sPassive=!0}});t.addEventListener(\"optsTest\",function(){},e)}catch(t){_sPassive=!1}return!!_sPassive}var MOUSE_WAIT=2e3;function createPointerEvents(t,e,r,i,s){var n,o,a,c,u,l,d,h=0;function p(i){h=Date.now()+MOUSE_WAIT,e(i)&&(!o&&r&&(o=addEventListener(t,\"touchmove\",r,s)),a||(a=addEventListener(t,\"touchend\",f,s)),c||(c=addEventListener(t,\"touchcancel\",f,s)))}function v(i){h>Date.now()||e(i)&&(!l&&r&&(l=addEventListener(getDocument(t),\"mousemove\",r,s)),d||(d=addEventListener(getDocument(t),\"mouseup\",b,s)))}function f(t){S(),i&&i(t)}function b(t){y(),i&&i(t)}function S(){o&&o(),a&&a(),c&&c(),o=a=c=void 0}function y(){l&&l(),d&&d(),l=d=void 0}function m(){S(),y()}function D(e){e?(n&&n(),u&&u(),n=u=void 0,m()):(n||(n=addEventListener(t,\"touchstart\",p,s)),u||(u=addEventListener(t,\"mousedown\",v,s)))}return{setDisabled:D,stop:m,destroy:function(){D(!0),i=r=e=void 0}}}function getDocument(t){return t instanceof Document?t:t.ownerDocument}function createPanRecognizer(t,e,r){var i=r*(Math.PI/180),s=\"x\"===t,n=Math.cos(i),o=e*e,a=0,c=0,u=!1,l=0;return{start:function(t,e){a=t,c=e,l=0,u=!0},detect:function(t,e){if(!u)return!1;var r=t-a,i=e-c,d=r*r+i*i;if(d<o)return!1;var h=Math.sqrt(d),p=(s?r:i)/h;return l=p>n?1:p<-n?-1:0,u=!1,!0},isGesture:function(){return 0!==l},getDirection:function(){return l}}}function createGesture(t){var e=Object.assign({disableScroll:!1,direction:\"x\",gesturePriority:0,passive:!0,maxAngle:40,threshold:10},t),r=e.canStart,i=e.onWillStart,s=e.onStart,n=e.onEnd,o=e.notCaptured,a=e.onMove,c=e.threshold,u=e.queue,l={type:\"pan\",startX:0,startY:0,startTimeStamp:0,currentX:0,currentY:0,velocityX:0,velocityY:0,deltaX:0,deltaY:0,timeStamp:0,event:void 0,data:void 0},d=createPointerEvents(e.el,function(t){var e=now(t);return!(f||!b)&&(updateDetail(t,l),l.startX=l.currentX,l.startY=l.currentY,l.startTimeStamp=l.timeStamp=e,l.velocityX=l.velocityY=l.deltaX=l.deltaY=0,l.event=t,(!r||!1!==r(l))&&(p.release(),!!p.start()&&(f=!0,0===c?m():(h.start(l.startX,l.startY),!0))))},function(t){v?!S&&b&&(S=!0,calcGestureData(l,t),u.write(y)):(calcGestureData(l,t),h.detect(l.currentX,l.currentY)&&(h.isGesture()&&m()||(g(),d.stop(),o&&o(l))))},E,{capture:!1}),h=createPanRecognizer(e.direction,e.threshold,e.maxAngle),p=GESTURE_CONTROLLER.createGesture({name:t.gestureName,priority:t.gesturePriority,disableScroll:t.disableScroll}),v=!1,f=!1,b=!0,S=!1;function y(){v&&(S=!1,a&&a(l))}function m(){return!(p&&!p.capture()||(v=!0,b=!1,l.startX=l.currentX,l.startY=l.currentY,l.startTimeStamp=l.timeStamp,i?i(l).then(D):D(),0))}function D(){s&&s(l),b=!0}function g(){v=!1,f=!1,S=!1,b=!0,p.release()}function E(t){var e=v,r=b;g(),r&&(calcGestureData(l,t),e?n&&n(l):o&&o(l))}return{setDisabled:function(t){t&&v&&E(void 0),d.setDisabled(t)},destroy:function(){p.destroy(),d.destroy()}}}function calcGestureData(t,e){if(e){var r=t.currentX,i=t.currentY,s=t.timeStamp;updateDetail(e,t);var n=t.currentX,o=t.currentY,a=(t.timeStamp=now(e))-s;if(a>0&&a<100){var c=(o-i)/a;t.velocityX=(n-r)/a*.7+.3*t.velocityX,t.velocityY=.7*c+.3*t.velocityY}t.deltaX=n-t.startX,t.deltaY=o-t.startY,t.event=e}}function updateDetail(t,e){var r=0,i=0;if(t){var s=t.changedTouches;if(s&&s.length>0){var n=s[0];r=n.clientX,i=n.clientY}else void 0!==t.pageX&&(r=t.pageX,i=t.pageY)}e.currentX=r,e.currentY=i}function now(t){return t.timeStamp||Date.now()}export{createGesture,GESTURE_CONTROLLER};"],"sourceRoot":""}