@arcgis/core/views/2d/engine/vectorTiles/TileHandler3D.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{MinPriority as e}from"../../../../core/MemCache.js";import{throwIfAborted as t}from"../../../../core/promiseUtils.js";import{fromValues as i}from"../../../../core/libs/gl-matrix-2/factories/mat3f32.js";import{create as o}from"../../../../geometry/support/aaBoundingRect.js";import{tileSizeInPixels as s}from"./constants.js";import{TileHandler as r}from"./TileHandler.js";import{VectorTile as n}from"./VectorTile.js";import l from"../../tiling/TileInfoViewPOT.js";import a from"../../tiling/TileKey.js";class g extends r{constructor(e,t,i,o){super(e,t,i,e.tileInfo.lods.length-1),this._memCache=o,this._vectorTiles=new Map,this._ongoingTileRequests=new Map,this._ongoingRequestToController=new Map,this._tileInfoView=new l(e.tileInfo,e.fullExtent)}destroy(){super.destroy(),this._ongoingRequestToController.forEach(e=>e.abort()),this._ongoingRequestToController.clear(),this._ongoingTileRequests.clear(),this._vectorTiles.clear()}async getVectorTile(r,l){const g=new a(r[0],r[1],r[2],0);let h=this._vectorTiles.get(g.id)??this._memCache.get(g.id);if(h)return h.retain(),h;const c=await this._getVectorTileData(g);if(t(l),!this._layer)return null;if(h=this._vectorTiles.get(g.id)??this._memCache.get(g.id),h)return h.retain(),h;const T=this._layer.tileInfo.getTileBounds(o(),g),m=this._tileInfoView.getTileResolution(r[0]);return h=new n(g,m,T[0],T[3],s,s,this._styleRepository,this),h.setData(c),c&&(h.retain(),this._memCache.put(g.id,h,e),this._vectorTiles.set(g.id,h)),h.neededForCoverage=!0,h.transforms.tileUnitsToPixels=i(1/8,0,0,0,1/8,0,0,0,1),h}updateTileSize(e){this._memCache.updateSize(e.id)}onDisposeTile(e){this._vectorTiles.delete(e.id)}_getVectorTileData(e){const t=e.id;if(this._ongoingTileRequests.has(t))return this._ongoingTileRequests.get(t);const i=new AbortController,o={signal:i.signal},s=this._getParsedVectorTileData(e,o).then(e=>(this._ongoingTileRequests.delete(t),this._ongoingRequestToController.delete(t),e)).catch(()=>(this._ongoingTileRequests.delete(t),this._ongoingRequestToController.delete(t),null));return this._ongoingTileRequests.set(t,s),this._ongoingRequestToController.set(t,i),s}_getParsedVectorTileData(e,t){return this.fetchTileData(e,t).then(i=>this.parseTileData({key:e,data:i},t))}}export{g as default};