machankura/mempool
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Exclude webgl block viz from SSR rendering

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Mononaut 2023-10-18 21:14:17 +00:00
parent cfdbd93695
commit 6464f6d8bb
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GPG Key ID: A3F058E41374C04E
4 changed files with 51 additions and 36 deletions
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2
frontend/src/app/components/block-overview-graph/block-overview-graph.component.html
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@ -1,7 +1,7 @@
<div class="grid-align" [style.gridTemplateColumns]="'repeat(auto-fit, ' + resolution + 'px)'">
<div class="block-overview-graph">
<canvas class="block-overview-canvas" [class.clickable]="!!hoverTx" #blockCanvas></canvas>
<canvas *browserOnly class="block-overview-canvas" [class.clickable]="!!hoverTx" #blockCanvas></canvas>
<div class="loader-wrapper" [class.hidden]="(!isLoading || disableSpinner) && !unavailable">
<div *ngIf="!unavailable" class="spinner-border ml-3 loading" role="status"></div>
<div *ngIf="!isLoading && unavailable" class="ml-3" i18n="block.not-available">not available</div>

16
frontend/src/app/components/block-overview-graph/block-overview-graph.component.ts
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@ -94,6 +94,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
}
ngAfterViewInit(): void {
if (this.canvas) {
this.canvas.nativeElement.addEventListener('webglcontextlost', this.handleContextLost, false);
this.canvas.nativeElement.addEventListener('webglcontextrestored', this.handleContextRestored, false);
this.gl = this.canvas.nativeElement.getContext('webgl');
@ -103,6 +104,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
this.resizeCanvas();
}
}
}
ngOnChanges(changes): void {
if (changes.orientation || changes.flip) {
@ -142,9 +144,11 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
cancelAnimationFrame(this.animationFrameRequest);
clearTimeout(this.animationHeartBeat);
}
if (this.canvas) {
this.canvas.nativeElement.removeEventListener('webglcontextlost', this.handleContextLost);
this.canvas.nativeElement.removeEventListener('webglcontextrestored', this.handleContextRestored);
}
}
clear(direction): void {
this.exit(direction);
@ -209,6 +213,10 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
}
initCanvas(): void {
if (!this.canvas || !this.gl) {
return;
}
this.gl.clearColor(0.0, 0.0, 0.0, 0.0);
this.gl.clear(this.gl.COLOR_BUFFER_BIT);
@ -262,6 +270,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
@HostListener('window:resize', ['$event'])
resizeCanvas(): void {
if (this.canvas) {
this.cssWidth = this.canvas.nativeElement.offsetParent.clientWidth;
this.cssHeight = this.canvas.nativeElement.offsetParent.clientHeight;
this.displayWidth = window.devicePixelRatio * this.cssWidth;
@ -282,6 +291,7 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
this.start();
}
}
}
compileShader(src, type): WebGLShader {
if (!this.gl) {
@ -406,6 +416,9 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
@HostListener('pointerup', ['$event'])
onClick(event) {
if (!this.canvas) {
return;
}
if (event.target === this.canvas.nativeElement && event.pointerType === 'touch') {
this.setPreviewTx(event.offsetX, event.offsetY, true);
} else if (event.target === this.canvas.nativeElement) {
@ -417,6 +430,9 @@ export class BlockOverviewGraphComponent implements AfterViewInit, OnDestroy, On
@HostListener('pointermove', ['$event'])
onPointerMove(event) {
if (!this.canvas) {
return;
}
if (event.target === this.canvas.nativeElement) {
this.setPreviewTx(event.offsetX, event.offsetY, false);
} else {

6
frontend/src/app/components/block/block.component.ts
View File

@ -1,4 +1,4 @@
import { Component, OnInit, OnDestroy, ViewChildren, QueryList } from '@angular/core';
import { Component, OnInit, OnDestroy, ViewChildren, QueryList, Inject, PLATFORM_ID } from '@angular/core';
import { Location } from '@angular/common';
import { ActivatedRoute, ParamMap, Router } from '@angular/router';
import { ElectrsApiService } from '../../services/electrs-api.service';
@ -17,6 +17,7 @@ import { seoDescriptionNetwork } from '../../shared/common.utils';
import { PriceService, Price } from '../../services/price.service';
import { CacheService } from '../../services/cache.service';
import { ServicesApiServices } from '../../services/services-api.service';
import { isPlatformServer } from '@angular/common';
@Component({
selector: 'app-block',
@ -108,8 +109,9 @@ export class BlockComponent implements OnInit, OnDestroy {
private priceService: PriceService,
private cacheService: CacheService,
private servicesApiService: ServicesApiServices,
@Inject(PLATFORM_ID) private platformId: Object,
) {
this.webGlEnabled = detectWebGL();
this.webGlEnabled = isPlatformServer(this.platformId) || detectWebGL();
}
ngOnInit() {

13
frontend/src/app/components/mempool-block/mempool-block.component.ts
View File

@ -1,4 +1,5 @@
import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
import { Component, OnInit, OnDestroy, ChangeDetectionStrategy, Inject, PLATFORM_ID, ChangeDetectorRef } from '@angular/core';
import { detectWebGL } from '../../shared/graphs.utils';
import { StateService } from '../../services/state.service';
import { ActivatedRoute, ParamMap } from '@angular/router';
import { switchMap, map, tap, filter } from 'rxjs/operators';
@ -7,6 +8,7 @@ import { Observable, BehaviorSubject } from 'rxjs';
import { SeoService } from '../../services/seo.service';
import { seoDescriptionNetwork } from '../../shared/common.utils';
import { WebsocketService } from '../../services/websocket.service';
import { isPlatformServer } from '@angular/common';
@Component({
selector: 'app-mempool-block',
@ -29,8 +31,9 @@ export class MempoolBlockComponent implements OnInit, OnDestroy {
private seoService: SeoService,
private websocketService: WebsocketService,
private cd: ChangeDetectorRef,
@Inject(PLATFORM_ID) private platformId: Object,
) {
this.webGlEnabled = detectWebGL();
this.webGlEnabled = isPlatformServer(this.platformId) || detectWebGL();
}
ngOnInit(): void {
@ -93,9 +96,3 @@ export class MempoolBlockComponent implements OnInit, OnDestroy {
this.previewTx = event;
}
}
function detectWebGL() {
const canvas = document.createElement('canvas');
const gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
return (gl && gl instanceof WebGLRenderingContext);
}