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import { Component, ElementRef, EventEmitter, Inject, Input, OnDestroy, OnInit, Output, Renderer2, ViewChild } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { DepthCameraState } from '@reflex/shared-types';
import { BehaviorSubject, NEVER, Observable, Subscription, combineLatest, Subject } from 'rxjs';
import { distinctUntilChanged, map, switchMap, tap } from 'rxjs/operators';
import { TrackingService } from 'src/shared/services/tracking.service';
import { WebSocketService } from 'src/shared/services/webSocket.service';
@Component({
selector: 'app-depth-image',
templateUrl: './depth-image.component.html',
styleUrls: ['./depth-image.component.scss'],
imports: [
CommonModule,
FormsModule
]
})
export class DepthImageComponent implements OnInit, OnDestroy {
private static readonly fullScreenClassName = 'fullScreen';
@ViewChild('depthImageRenderContainer')
public container?: ElementRef;
@Output()
public fullScreenChanged = new EventEmitter<boolean>();
public imageData = '';
public livePreview = false;
public numFramesReceived = 0;
private pfullScreen = false;
private readonly livePreview$ = new BehaviorSubject<boolean>(false);
private readonly shouldShowLiveView$: Observable<boolean>;
private plivePreviewEnabled = false;
private depthImageSubscription?: Subscription;
private readonly address = 'depthImage';
// eslint-disable-next-line @typescript-eslint/no-explicit-any
private socket?: Subject<MessageEvent>;
// eslint-disable-next-line new-cap
public constructor(@Inject('BASE_URL') private readonly baseUrl: string, private readonly angularRenderer: Renderer2, private readonly wsService: WebSocketService, private readonly trackingService: TrackingService) {
this.baseUrl = this.baseUrl.replace('http', 'ws');
const isTracking$ = this.trackingService.getStatus()
.pipe(
map((status) => status.depthCameraStateName === DepthCameraState[DepthCameraState.Streaming]),
distinctUntilChanged()
);
this.shouldShowLiveView$ = combineLatest(isTracking$, this.livePreview$)
.pipe(
tap(([isTracking, livePreview]) => {
console.debug(`tracking: ${isTracking}, livePreview: ${livePreview}`);
}),
map(([isTracking, livePreview]) => livePreview && isTracking)
);
}
public get fullScreen(): boolean {
return this.pfullScreen;
}
public set fullScreen(fs: boolean) {
this.pfullScreen = fs;
this.fullScreenChanged.emit(this.pfullScreen);
}
// eslint-disable-next-line @typescript-eslint/member-ordering
public get livePreviewEnabled(): boolean {
return this.plivePreviewEnabled;
}
// eslint-disable-next-line @typescript-eslint/member-ordering
@Input()
public set livePreviewEnabled(value: boolean) {
this.plivePreviewEnabled = value;
if (!value) {
this.numFramesReceived = 0;
}
if (!this.plivePreviewEnabled && this.livePreview) {
this.livePreview = false;
this.livePreviewChanged();
}
}
public ngOnInit(): void {
this.depthImageSubscription = this.shouldShowLiveView$
.pipe(
switchMap((showLiveView) => {
if (showLiveView) {
return this.startSocket();
} else {
this.stopSocket();
}
return NEVER.pipe();
}),
tap((result) => {
if (result.data !== undefined && result.data !== null) {
this.numFramesReceived++;
}
})
)
.subscribe(
(result) => this.updateDepthImage(result),
(error) => console.error(error)
);
}
public ngOnDestroy(): void {
this.depthImageSubscription?.unsubscribe();
}
public livePreviewChanged(): void {
this.livePreview$.next(this.livePreview);
this.trackingService.setDepthImagePreviewState(this.livePreview).subscribe(
() => this.livePreview$.next(this.livePreview)
);
}
public updateSize(): void {
if (this.container === undefined) {
return;
}
if (this.fullScreen) {
this.angularRenderer.addClass(this.container.nativeElement, DepthImageComponent.fullScreenClassName);
} else {
this.angularRenderer.removeClass(this.container.nativeElement, DepthImageComponent.fullScreenClassName);
}
}
private startSocket(): Observable<MessageEvent> {
this.socket = this.wsService.createSocket({
url: `${this.baseUrl}${this.address}`,
deserializer: (value) => value
});
// this._socket = webSocket({
// url: `${this.baseUrl}${this._address}`,
// deserializer: (value) => value
// });
this.socket.next(new MessageEvent('message', { data: 'Start' }));
return this.wsService.getResponseStream();
}
private stopSocket(): void {
if (this.socket) {
this.socket.complete();
}
}
private updateDepthImage(result: MessageEvent): void {
if (result.data === undefined || result.data === null) {
return;
}
this.imageData = result.data as string;
this.socket?.next(new MessageEvent('message', { data: 'continue' }));
}
}
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