@arcgis/core/views/3d/state/GoToOperation.js

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

/* COPYRIGHT Esri - https://js.arcgis.com/5.0.19/LICENSE.txt */
import t from"../../../Camera.js";import i from"../../../Viewpoint.js";import e from"../../../core/Error.js";import{onAbort as n,createAbortError as a}from"../../../core/promiseUtils.js";import{whenOnce as r}from"../../../core/reactiveUtils.js";import{toRenderCamera as o}from"../webgl.js";import{applyAll as s}from"../camera/constraintUtils.js";import{isPointToPointAnimationController as l,PointToPointAnimationController as h}from"./controllers/PointToPointAnimationController.js";import{SurfaceCollisionCorrectionController as c}from"./controllers/SurfaceCollisionCorrectionController.js";import{create as m}from"../support/viewpointUtils.js";class w{constructor(t,i,e){this._target=t,this._options=i,this.view=e,this.state="pending",this._animationController=null,this.promise=new Promise((t,i)=>{this._resolveCallback=t,this._rejectCallback=i;const e=new AbortController;null!=this._options.signal&&n(this._options.signal,()=>this.abort()),this._abortController=e,this._waitForReady()})}_resolve(t){if("finished"!==this.state)return this.state="finished",this._resolveCallback(t)}_reject(t){if("finished"!==this.state)return this.state="finished",this._rejectCallback(t)}abort(t=!1){if(this._abortController.abort(),"wait-for-animation-finish"===this.state)!t&&null!=this._animationController&&this.view.state.cameraController===this._animationController&&this._animationController.running&&this._animationController.stopController();this._reject(a())}async _waitForReady(){if(this.state="wait-for-ready",!this.view.ready)try{await r(()=>this.view.ready,this._abortController.signal)}catch(t){return this._reject(t)}this._createViewPoint()}async _createViewPoint(){if("finished"!==this.state){this.state="wait-for-viewpoint",this._animationController=this._options.animate?this._getAnimationController():null;try{const t=await m(this.view,this._target,this._abortController.signal);if("finished"===this.state)return;const i=t?this._getCameraFromViewpoint(t):null;if(null==i)return;if(this._options.animate){if(null==this._animationController)return;this._startAnimation(i,this._animationController)}else this.view.stateManager.setStateCamera(i.camera,{applyConstraints:!i.isFullySpecified,positionAndOrientationOnly:!0,doNotCancelGoToOperation:!0}),this._resolve()}catch(t){this._reject(t)}}}_getCameraFromViewpoint(n){const a=!!(this._target instanceof i&&this._target.camera||this._target instanceof t||"position"in this._target&&void 0!==this._target.position?.z||Array.isArray(this._target)&&void 0!==this._target[2]),r=n.camera;if(null==r)return null;if(!this.view.stateManager.isCompatible(r)){const t=r.position,i=t&&t.spatialReference,n=i?i.wkid:"none",a=this.view.spatialReference?.wkid;return this._reject(new e("GotoAnimation:incompatible-spatialreference",`Resulting camera has an incompatible spatial reference (camera: ${n}, view: ${a})`,{camera:r})),null}const s=o(this.view,r);return null==s?(this._reject(new e("GotoAnimation:invalid-camera","Resulting camera is invalid")),null):{viewpoint:n,camera:s,isFullySpecified:a}}_startAnimation(t,i){this.state="wait-for-animation-finish";const n=i.viewAnimation;if(null==n)return void this._reject(new e("GotoAnimation:missing-animation","Unreachable code in view.stateManager"));if(n.update(t.viewpoint,"running"),!i.running||null==i.viewAnimation||i.viewAnimation.target!==t.viewpoint||this.view.state.cameraController!==i)return this.abort();let a;t.isFullySpecified?a=new c({view:this.view,desiredCamera:t.camera}):s(this.view,t.camera),i.begin(t.camera,this._options);const r=()=>{const e=this.view.state.cameraController;a&&(e&&e.running?l(e)&&null!=e.viewAnimation&&e.viewAnimation.target===t.viewpoint&&(this.view.state.cameraController=a):null!=i.viewAnimation&&i.viewAnimation.target===t.viewpoint&&4===i.state&&(this.view.state.cameraController=a))},o=t=>{if(null!=this.view.state)switch(i.state){case 4:switch(this.state){case"pending":case"wait-for-ready":case"wait-for-viewpoint":case"wait-for-animation-finish":this._resolve()}break;case 0:case 1:case 2:case 3:switch(this.state){case"pending":case"wait-for-ready":case"wait-for-viewpoint":case"wait-for-animation-finish":this._reject(t)}}};n.when(r,t=>o(t)),i.asyncResult={resolve:()=>o(),reject:t=>o(t)}}_getAnimationController(){let t=null,i=null;const n=this.view.state.cameraController;return l(n)&&(n.updateStateFromViewAnimation(),n.running&&(t=n,i=t.viewAnimation)),null==t&&(t=new h({view:this.view,mode:"animation"}),i=t.viewAnimation,this.view.state.switchCameraController(t),1===t.state)?(i?.stop(),this._reject(new e("GotoAnimation:goto-cannot-interrupt","Cannot start an animation while interacting")),null):t}}export{w as GoToOperation};