mempool/frontend/src/app/components/clockchain/clockchain.component.ts
2023-05-08 08:48:55 -06:00

73 lines
2.1 KiB
TypeScript

import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, Input, OnChanges, ChangeDetectorRef } from '@angular/core';
import { firstValueFrom, Subscription } from 'rxjs';
import { StateService } from '../../services/state.service';
@Component({
selector: 'app-clockchain',
templateUrl: './clockchain.component.html',
styleUrls: ['./clockchain.component.scss'],
changeDetection: ChangeDetectionStrategy.OnPush,
})
export class ClockchainComponent implements OnInit, OnChanges, OnDestroy {
@Input() width: number = 300;
@Input() height: number = 60;
mempoolBlocks: number = 3;
blockchainBlocks: number = 6;
blockWidth: number = 50;
dividerStyle;
network: string;
timeLtrSubscription: Subscription;
timeLtr: boolean = this.stateService.timeLtr.value;
ltrTransitionEnabled = false;
connectionStateSubscription: Subscription;
loadingTip: boolean = true;
connected: boolean = true;
constructor(
public stateService: StateService,
private cd: ChangeDetectorRef,
) {}
ngOnInit() {
this.ngOnChanges();
this.network = this.stateService.network;
this.timeLtrSubscription = this.stateService.timeLtr.subscribe((ltr) => {
this.timeLtr = !!ltr;
});
this.connectionStateSubscription = this.stateService.connectionState$.subscribe(state => {
this.connected = (state === 2);
});
firstValueFrom(this.stateService.chainTip$).then(() => {
this.loadingTip = false;
});
}
ngOnChanges() {
this.blockWidth = Math.floor(7 * this.height / 12);
this.mempoolBlocks = Math.floor(((this.width / 2) - (this.blockWidth * 0.32)) / (1.24 * this.blockWidth));
this.blockchainBlocks = this.mempoolBlocks;
this.dividerStyle = {
width: '2px',
height: `${this.height}px`,
};
this.cd.markForCheck();
}
ngOnDestroy() {
this.timeLtrSubscription.unsubscribe();
this.connectionStateSubscription.unsubscribe();
}
trackByPageFn(index: number, item: { index: number }) {
return item.index;
}
toggleTimeDirection() {
this.ltrTransitionEnabled = true;
this.stateService.timeLtr.next(!this.timeLtr);
}
}