@arcgis/core
Version:
ArcGIS Maps SDK for JavaScript: A complete 2D and 3D mapping and data visualization API
6 lines (5 loc) • 10.1 kB
JavaScript
/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.32/esri/copyright.txt for details.
*/
import{_ as e}from"../../chunks/tslib.es6.js";import t from"../../core/Accessor.js";import"../../core/has.js";import i from"../../core/Logger.js";import r from"../../core/Queue.js";import{property as n}from"../../core/accessorSupport/decorators/property.js";import"../../core/RandomLCG.js";import{subclass as s}from"../../core/accessorSupport/decorators/subclass.js";import{primaryKey as o,isSystemModifier as a}from"./keys.js";import{LatestPointer as l}from"./handlers/LatestPointer.js";import{MultiTouch as h}from"./handlers/MultiTouch.js";import{PropertiesPool as p}from"../support/PropertiesPool.js";let d=class extends t{constructor(e){super(e),this._pointerCaptures=new Map,this._nameToGroup={},this._handlers=[],this._handlersPriority=[],this._currentPropagation=null,this._updateDependenciesAfterPropagation=!1,this._sourceEvents=new Set,this._keyModifiers=new Set,this._activeKeyModifiers=new Set,this._stoppedPropagationEventIds=new Set,this.primaryKey=o,this._latestPointerType="mouse",this._propertiesPool=new p({latestPointerLocation:P},this),this.latestPointerLocation=null,this._paused=!1,this.test={timestamp:void 0,hasCurrentPropagation:()=>!!this._currentPropagation}}initialize(){this.eventSource.onEventReceived=this._onEventReceived.bind(this),this._installRecognizers()}destroy(){const e=Object.keys(this._nameToGroup);for(const t of e)this.uninstallHandlers(t);this.eventSource.destroy(),this._currentPropagation=null,this._propertiesPool.destroy()}get hasPendingInputs(){return this._handlers.some((e=>e.handler.hasPendingInputs))}get latestPointerType(){return this._latestPointerType}get multiTouchActive(){return this._multiTouchHandler.multiTouchActive}get updating(){return this.hasPendingInputs||this._paused}installHandlers(e,t,i=_.INTERNAL){if(this._nameToGroup[e])return;if(0===t.length)return;const r={name:e,handlers:t.map((e=>({handler:e,active:!0,removed:!1,priorityIndex:0,groupPriority:i,eventCallback:null,uninstallCallback:null})))};this._nameToGroup[e]=r;for(let n=r.handlers.length-1;n>=0;n--){const e=r.handlers[n];this._handlers.push(e),e.handler.onInstall({updateDependencies:()=>{this.updateDependencies()},emit:(t,i,r,n,s)=>{this._emitInputEvent(e.priorityIndex+1,t,i,r,s,n)},setPointerCapture:(t,i)=>{this._setPointerCapture(r,e,t,i)},setEventCallback:t=>{e.eventCallback=t},setUninstallCallback:t=>{e.uninstallCallback=t},refreshHasPendingInputs:()=>{this.notifyChange("hasPendingInputs")}})}this.updateDependencies()}uninstallHandlers(e){const t=this._nameToGroup[e];t?(t.handlers.forEach((e=>{e.removed=!0,e.uninstallCallback?.()})),delete this._nameToGroup[e],this._currentPropagation?this._currentPropagation.needsHandlerGarbageCollect=!0:this._garbageCollectRemovedHandlers()):i.getLogger(this).error("There is no InputHandler group registered under the name `"+e+"`")}hasHandlers(e){return void 0!==this._nameToGroup[e]}isModifierKeyDown(e){return this._activeKeyModifiers.has(e)}updateDependencies(){if(this._currentPropagation)return void(this._updateDependenciesAfterPropagation=!0);this._updateDependenciesAfterPropagation=!1;const e=new Set,t=new Set;this._handlersPriority=[];for(let i=this._handlers.length-1;i>=0;i--){const e=this._handlers[i];e.priorityIndex=i,this._handlersPriority.push(e)}this._handlersPriority=this._sortHandlersPriority(this._handlersPriority);for(let i=this._handlersPriority.length-1;i>=0;i--){const r=this._handlersPriority[i];r.priorityIndex=i;let n=r.handler.hasSideEffects;if(!n)for(const t of r.handler.outgoingEventTypes)if(e.has(t)){n=!0;break}if(n)for(const i of r.handler.incomingEventMatches){e.add(i.eventType);for(const e of i.keyModifiers)a(e)||t.add(e)}r.active=n}this._sourceEvents=e,this._keyModifiers=t,this._pointerCaptures.size>0&&this._sourceEvents.add("pointer-capture-lost"),this._keyModifiers.size>0&&(this._sourceEvents.add("key-down"),this._sourceEvents.add("key-up")),this.eventSource&&(this.eventSource.activeEvents=this._sourceEvents)}_setLatestPointer(e,t,i){this._latestPointerType=e;const r=this._get("latestPointerLocation");if(null==r||r.x!==t||r.y!==i){const e=this._propertiesPool.get("latestPointerLocation");e.x=t,e.y=i,this._set("latestPointerLocation",e)}}_onEventReceived(e,t){if("pointer-capture-lost"===e){const e=t;this._pointerCaptures.delete(e.native.pointerId)}this._updateKeyModifiers(e,t);const i=null!=this.test.timestamp?this.test.timestamp:t.native?t.native.timestamp:void 0,r=t.native?t.native.cancelable:void 0;this._emitInputEventFromSource(e,t,i,r)}_updateKeyModifiers(e,t){if(!t)return;let i=!1;const r=()=>{i||(this._activeKeyModifiers=new Set(this._activeKeyModifiers),i=!0)},n=(e,t)=>{t&&!this._activeKeyModifiers.has(e)?(r(),this._activeKeyModifiers.add(e)):!t&&this._activeKeyModifiers.has(e)&&(r(),this._activeKeyModifiers.delete(e))};if("key-down"===e||"key-up"===e){const i=t.key;this._keyModifiers.has(i)&&n(i,"key-down"===e)}const s=t.native;n("Alt",!!s?.altKey),n("Control",!!s?.ctrlKey),n("Ctrl",!!s?.ctrlKey),n("Shift",!!s?.shiftKey),n("Meta",!!s?.metaKey),n("Primary",this._activeKeyModifiers.has(this.primaryKey))}_installRecognizers(){this._latestPointerHandler=new l(((e,t,i)=>this._setLatestPointer(e,t,i))),this._multiTouchHandler=new h,this.installHandlers("input-manager-logic",[this._latestPointerHandler,this._multiTouchHandler],_.ALWAYS),this.recognizers.length>0&&this.installHandlers("default",this.recognizers,_.INTERNAL)}_setPointerCapture(e,t,i,r){const n=e.name+"-"+t.priorityIndex,s=this._pointerCaptures.get(i.pointerId)||new Set;this._pointerCaptures.set(i.pointerId,s),r?(s.add(n),1===s.size&&this.eventSource&&this.eventSource.setPointerCapture(i,!0)):s.has(n)&&(s.delete(n),0===s.size&&(this._pointerCaptures.delete(i.pointerId),this.eventSource&&this.eventSource.setPointerCapture(i,!1)))}_garbageCollectRemovedHandlers(){this._handlers=this._handlers.filter((e=>!e.removed)),this.updateDependencies()}_emitInputEventFromSource(e,t,i,r){this._emitInputEvent(0,e,t,i,r)}_emitInputEvent(e,t,i,r,n,s){const o=void 0!==r?r:this._currentPropagation?this._currentPropagation.timestamp:performance.now(),a=void 0!==n&&n,l={event:new u(t,i,o,s||this._activeKeyModifiers,a),priorityIndex:e};this._currentPropagation?this._currentPropagation.events.push(l):this._doNewPropagation(l)}_doNewPropagation(e){this._currentPropagation={events:new r,currentHandler:null,needsHandlerGarbageCollect:!1,timestamp:e.event.timestamp},this._currentPropagation.events.push(e),this._continuePropagation()}_continuePropagation(){this._paused=!1;const e=this._currentPropagation;if(e){for(;e.events.length>0;){const{event:t,priorityIndex:i}=e.events.pop(),r=t.data?.eventId;if(!(null!=r&&this._stoppedPropagationEventIds.has(r)))for(e.currentHandler=this._handlersPriority[i];e.currentHandler;){if(e.currentHandler.removed)e.needsHandlerGarbageCollect=!0;else{if(e.currentHandler.active&&!t.shouldStopPropagation()&&e.currentHandler.eventCallback?.(t),t.shouldStopPropagation()){null!=r&&this._stoppedPropagationEventIds.add(r);break}if(t.shouldPausePropagation((()=>this._continuePropagation())))return void this._pausePropagation({event:t,priorityIndex:e.currentHandler.priorityIndex+1})}e.currentHandler=this._handlersPriority[e.currentHandler.priorityIndex+1]}}e.needsHandlerGarbageCollect&&this._garbageCollectRemovedHandlers(),this.hasPendingInputs||this._stoppedPropagationEventIds.clear(),this._currentPropagation=null,this._updateDependenciesAfterPropagation&&this.updateDependencies()}}_pausePropagation(e){const t=new r;t.push(e);const i=this._currentPropagation;if(i){for(;i.events.length;)t.push(i.events.pop());i.events=t,i.currentHandler=null,this._paused=!0}}_compareHandlerPriority(e,t){if(e.handler.hasSideEffects!==t.handler.hasSideEffects)return e.handler.hasSideEffects?1:-1;if(e.groupPriority!==t.groupPriority)return e.groupPriority>t.groupPriority?-1:1;for(const i of e.handler.incomingEventMatches)for(const e of t.handler.incomingEventMatches){if(i.eventType!==e.eventType)continue;const t=i.keyModifiers.filter((t=>e.keyModifiers.includes(t)));if(t.length===i.keyModifiers.length!==(t.length===e.keyModifiers.length))return i.keyModifiers.length>e.keyModifiers.length?-1:1}return e.priorityIndex>t.priorityIndex?-1:1}_sortHandlersPriority(e){const t=[];for(const i of e){let e=0;for(;e<t.length&&this._compareHandlerPriority(i,t[e])>=0;)e++;t.splice(e,0,i)}return t}get debug(){const e=e=>{const t=this._setPointerCapture;this._setPointerCapture=()=>{},e(),this._setPointerCapture=t};return{injectEvent:(t,i)=>{e((()=>this._onEventReceived(t,i)))},disablePointerCapture:e}}};e([n({readOnly:!0})],d.prototype,"hasPendingInputs",null),e([n({constructOnly:!0})],d.prototype,"eventSource",void 0),e([n({constructOnly:!0})],d.prototype,"recognizers",void 0),e([n()],d.prototype,"_latestPointerType",void 0),e([n()],d.prototype,"latestPointerType",null),e([n()],d.prototype,"multiTouchActive",null),e([n({readOnly:!0})],d.prototype,"latestPointerLocation",void 0),e([n()],d.prototype,"_paused",void 0),e([n({readOnly:!0})],d.prototype,"updating",null),d=e([s("esri.views.input.InputManager")],d);class u{constructor(e,t,i,r,n){this.type=e,this.data=t,this.timestamp=i,this.modifiers=r,this.cancelable=n,this._propagationState=c.NONE,this._resumeCallback=null}stopPropagation(){this._propagationState|=c.STOPPED}shouldStopPropagation(){return!!(this._propagationState&c.STOPPED)}async(e){this._propagationState|=c.PAUSED;const t=(e,t)=>{this._propagationState&=~c.PAUSED;const i=this._resumeCallback;if(this._resumeCallback=null,i&&i(),t)throw e;return e};return("function"==typeof e?e():e).then((e=>t(e,!1)),(e=>t(e,!0)))}shouldPausePropagation(e){return!!(this._propagationState&c.PAUSED)&&(this._resumeCallback=e,!0)}preventDefault(){this.data.native.preventDefault()}}var c;!function(e){e[e.NONE=0]="NONE",e[e.STOPPED=1]="STOPPED",e[e.PAUSED=2]="PAUSED"}(c||(c={}));const _={ALWAYS:1,DEFAULT:0,TOOL:-1,WIDGET:-2,INTERNAL:-3};class g{}const P=g;export{d as InputManager,_ as ViewEventPriorities};