@arcgis/core/views/input/InputHandler.js

ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.8/LICENSE.txt */
import"../../core/has.js";import"../../core/Logger.js";import{EventMatch as e}from"./EventMatch.js";class t{constructor(e){this._manager=null,this._incoming={},this._outgoing={},this._incomingEventMatches=null,this._incomingEventTypes=null,this._outgoingEventTypes=null,this._hasSideEffects=e}get incomingEventMatches(){if(!this._incomingEventMatches){this._incomingEventMatches=[];for(const e in this._incoming){const t=this._incoming[e];for(const e of t)this._incomingEventMatches.push(e.match)}}return this._incomingEventMatches}get incomingEventTypes(){return this._incomingEventTypes||(this._incomingEventTypes=this.incomingEventMatches.map(e=>e.eventType)),this._incomingEventTypes}get outgoingEventTypes(){return this._outgoingEventTypes||(this._outgoingEventTypes=Object.keys(this._outgoing)),this._outgoingEventTypes}get hasSideEffects(){return this._hasSideEffects}get hasPendingInputs(){return!1}onInstall(e){this._manager||(e.setEventCallback(e=>this._handleEvent(e)),e.setUninstallCallback(()=>this._onUninstall()),this._manager=e)}onUninstall(){}registerIncoming(t,i,s){let o;"function"==typeof i?(s=i,o=[]):o=i||[];const a="string"==typeof t?new e(t,o):t,h=()=>{this._incomingEventTypes=null,this._incomingEventMatches=null},r=e=>{const t=this._incoming[e.match.eventType];if(t){const n=t.indexOf(e);t.splice(n,1),h(),this._manager&&this._manager.updateDependencies()}},g=new n(a,s,{onPause:r,onRemove:r,onResume:e=>{const t=this._incoming[e.match.eventType];t&&!t.includes(e)&&(t.push(e),h(),this._manager&&this._manager.updateDependencies())}});let c=this._incoming[a.eventType];return c||(c=[],this._incoming[a.eventType]=c),c.push(g),h(),this._manager&&this._manager.updateDependencies(),g}registerOutgoing(e){if(this._outgoing[e])throw new Error("There is already a callback registered for this outgoing InputEvent: "+e);const t=new i(e,{onEmit:(e,t,n,i)=>{this._manager?.emit(e.eventType,t,n,i)},onRemove:e=>{delete this._outgoing[e.eventType],this._manager?.updateDependencies()}});return this._outgoing[e]=t,this._outgoingEventTypes=null,this._manager&&this._manager.updateDependencies(),t}startCapturingPointer(e){this._manager?.setPointerCapture(e,!0)}stopCapturingPointer(e){this._manager?.setPointerCapture(e,!1)}refreshHasPendingInputs(){this._manager?.refreshHasPendingInputs()}_onUninstall(){this._manager&&(this.onUninstall(),this._manager=null)}_handleEvent(e){const t=this._incoming[e.type];if(t)for(const n of t)if(n.match.matches(e)&&(n.callback?.(e),e.shouldStopPropagation()))break}}class n{constructor(e,t,n){this.match=e,this._callback=t,this._handler=n}pause(){this._handler.onPause(this)}resume(){this._handler.onResume(this)}remove(){this._handler.onRemove(this)}get callback(){return this._callback}}class i{constructor(e,t){this.eventType=e,this._removed=!1,this._handler=t}emit(e,t,n){this._removed||this._handler.onEmit(this,e,t,n)}remove(){this._removed=!0,this._handler.onRemove(this)}}export{t as InputHandler};