@arcgis/core/views/support/LayerViewManager.js

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

/*
All material copyright ESRI, All Rights Reserved, unless otherwise specified.
See https://js.arcgis.com/4.33/esri/copyright.txt for details.
*/
import{_ as e}from"../../chunks/tslib.es6.js";import r from"../../core/Accessor.js";import i from"../../core/Error.js";import t from"../../core/Logger.js";import{someMap as s}from"../../core/MapUtils.js";import{createResolver as o,createAbortError as a,isAbortError as n}from"../../core/promiseUtils.js";import{on as l,watch as y,syncAndInitial as h}from"../../core/reactiveUtils.js";import{schedule as p}from"../../core/scheduling.js";import{property as c}from"../../core/accessorSupport/decorators/property.js";import"../../core/has.js";import"../../core/RandomLCG.js";import{subclass as d}from"../../core/accessorSupport/decorators/subclass.js";import{get as w}from"../../core/accessorSupport/get.js";import{UpdatingHandles as f}from"../../core/support/UpdatingHandles.js";import{destroyMap as m}from"../../support/collectionUtils.js";import{LayerLayerViewInfo as u}from"./LayerLayerViewInfo.js";function g(e){return null!=e&&"object"==typeof e&&"layerViews"in e}let _=class extends r{constructor(e){super(e),this._layerLayerViewInfoMap=new Map,this._recyclingInfoMap=new Map,this._watchUpdatingTracking=new f,this.supportsGround=!0,this._preloadLayerViewModules=()=>{const e=this.view.map?.allLayers;if(e)for(const r of e)!1!==this.layerViewFilter?.(r)&&this.layerViewImporter.hasLayerViewModule(r)&&this.layerViewImporter.importLayerView(r)},this._reschedule=()=>this.destroyed?Promise.reject():(null==this._workPromise&&(this._workPromise=o(),this._workPromise.promise.catch((()=>{}))),this.removeHandles("reschedule"),this.addHandles(p(this._doWork),"reschedule"),this._workPromise.promise),this._doWork=()=>{const e=this.view.map;if(this.destroyed||!e)return void this.clear();if(this._map!==e&&(this.clear(),this._map=e),null==this._workPromise)return void this.notifyChange("updating");this.removeHandles("reschedule"),this.removeHandles("collection-change");const r=new Set,i=[],t=this.view.ready,s=e=>{if(null!=e)for(const o of e)if(o){if(!1===this.layerViewFilter?.(o))continue;r.add(o);const e=this._layerLayerViewInfoMap.get(o);e&&t?e.start():e||this._recyclingInfoMap.has(o)||i.push(o),"layers"in o&&o.layers&&s(o.layers)}};for(const n of this._rootCollectionNames)s(w(this,n));const o=new Array,a=e=>{const r=e.tryRecycle(i);r?(this._recyclingInfoMap.set(e.layer,e),this.notifyChange("updating"),r.then((()=>{this._recyclingInfoMap.delete(e.layer),this._layerLayerViewInfoMap.set(e.layer,e),this._reschedule(),this.notifyChange("updating")})).catch((r=>{n(r)||(this._recyclingInfoMap.delete(e.layer),e.destroy(),this._reschedule(),this.notifyChange("updating"))}))):o.push(e)};for(const n of this._layerLayerViewInfoMap.values())r.has(n.layer)||(this._layerLayerViewInfoMap.delete(n.layer),a(n));for(const n of this._recyclingInfoMap.values())r.has(n.layer)||(this._recyclingInfoMap.delete(n.layer),a(n));for(const n of i)this._createLayerView(n);this._refreshCollections(),o.forEach((e=>e.destroy()));const l=[e?.ground?.layers,e?.basemap?.baseLayers,e?.basemap?.referenceLayers,e?.layers].filter((e=>!!e));r.forEach((e=>"layers"in e&&l.push(e.layers))),this.addHandles(l.map((e=>this._watchUpdatingTracking.addOnCollectionChange((()=>e),this._reschedule))),"collection-change"),this._workPromise.resolve(),this._workPromise=null}}initialize(){this.addHandles([l((()=>this.view?.map?.allLayers),"change",this._preloadLayerViewModules,{onListenerAdd:this._preloadLayerViewModules}),y((()=>{const e=this.view,r=e?.map;return[r?.basemap,r?.ground,r?.layers,e?.ready]}),(()=>this._reschedule()),h)]),this._preloadLayerViewModules(),this._reschedule()}destroy(){this.clear(),m(this._recyclingInfoMap),m(this._layerLayerViewInfoMap),this._watchUpdatingTracking.destroy(),this._map=null,null!=this._workPromise&&(this._workPromise.reject(a()),this._workPromise=null)}get _layersToLayerViews(){const e=[["view.map.basemap.baseLayers","view.basemapView.baseLayerViews"],["view.map.layers","view.layerViews"],["view.map.basemap.referenceLayers","view.basemapView.referenceLayerViews"]];return this.supportsGround&&e.push(["view.map.ground.layers","view.groundView.layerViews"]),new Map(e)}get _rootCollectionNames(){return Array.from(this._layersToLayerViews.keys())}get updating(){return null!=this._workPromise||this._watchUpdatingTracking.updating||s(this._layerLayerViewInfoMap,(e=>!e.done))||this._recyclingInfoMap.size>0}get updatingRemaining(){let e=0;for(const r of this._layerLayerViewInfoMap.values())r.done||++e;return e}clear(){this.destroyed||(this._clearCollections(),m(this._layerLayerViewInfoMap))}async whenLayerView(e){if(await this._reschedule(),!this._layerLayerViewInfoMap.has(e)){if(this._recyclingInfoMap.has(e))return this._recyclingInfoMap.get(e).promise;throw new i("view:no-layerview-for-layer","No layerview has been found for the layer",{layer:e})}return this._layerLayerViewInfoMap.get(e).promise}isCreatingLayerViewsForLayer(e,r){this.commitProperty("updatingRemaining");const i=this._layerLayerViewInfoMap.get(e);if(!i?.done)return!0;const t=i.layerView;return!(!t||!r||t.parent===r)||!!(i.done&&t&&"layers"in e&&e.layers?.length)&&e.layers.some((e=>this.isCreatingLayerViewsForLayer(e,t)))}_refreshCollections(){for(const[e,r]of this._layersToLayerViews)this._populateLayerViewsOwners(w(this,e),w(this,r),this.view);this.notifyChange("updating"),this.notifyChange("updatingRemaining")}_clearCollections(){for(const e of this._layersToLayerViews.values())w(this,e)?.removeAll()}_populateLayerViewsOwners(e,r,i){if(!e||!r)return void r?.removeAll();let t=0;for(const s of e){const e=this._layerLayerViewInfoMap.get(s);if(!e?.layerView)continue;const o=e.layerView;o.layer=s,o.parent=i,r.at(t)!==o&&r.splice(t,0,o),"layers"in s&&g(o)&&this._populateLayerViewsOwners(s.layers,o.layerViews,o),t+=1}t<r.length&&r.splice(t)}_createLayerView(e){e.load().catch((()=>{})),this.layerViewImporter.hasLayerViewModule(e)&&this.layerViewImporter.importLayerView(e);const r=new u(e,this.view,this.layerViewImporter);r.promise.then((()=>this._refreshCollections()),(r=>{r&&(n(r)||"cancelled:layerview-create"===r.name)||t.getLogger(this).error(`Failed to create layerview for layer title:'${e.title??"no title"}', id:'${e.id??"no id"}' of type '${e.type}'.`,{layer:e,error:r}),this._refreshCollections()})),this._layerLayerViewInfoMap.set(e,r),this.view.ready&&r.start(),this.notifyChange("updating"),this.notifyChange("updatingRemaining")}};e([c()],_.prototype,"_workPromise",void 0),e([c({readOnly:!0})],_.prototype,"_watchUpdatingTracking",void 0),e([c({readOnly:!0})],_.prototype,"_layersToLayerViews",null),e([c({readOnly:!0})],_.prototype,"_rootCollectionNames",null),e([c({constructOnly:!0})],_.prototype,"layerViewFilter",void 0),e([c()],_.prototype,"layerViewImporter",void 0),e([c()],_.prototype,"supportsGround",void 0),e([c({readOnly:!0})],_.prototype,"updating",null),e([c({readOnly:!0})],_.prototype,"updatingRemaining",null),e([c({constructOnly:!0})],_.prototype,"view",void 0),_=e([d("esri.views.support.LayerViewManager")],_);const V=_;export{V as default};