71 lines
2.2 KiB
TypeScript
71 lines
2.2 KiB
TypeScript
import type Screen from 'App/player/web/Screen/Screen';
|
|
import { replaceCSSPseudoclasses } from 'App/player/web/messages/rewriter/rewriteMessage'
|
|
import logger from 'App/logger'
|
|
|
|
// Doesn't work with css files (hasOwnProperty returns false)
|
|
// TODO: recheck and remove if true
|
|
function rewriteNodeStyleSheet(doc: Document, node: HTMLLinkElement | HTMLStyleElement) {
|
|
const ss = Object.values(doc.styleSheets).find(s => s.ownerNode === node);
|
|
if (!ss || !ss.hasOwnProperty('rules')) { return; }
|
|
for(let i = 0; i < ss.cssRules.length; i++){
|
|
const r = ss.cssRules[i]
|
|
if (r instanceof CSSStyleRule) {
|
|
r.selectorText = replaceCSSPseudoclasses(r.selectorText)
|
|
}
|
|
}
|
|
}
|
|
|
|
export default class StylesManager {
|
|
private linkLoadingCount: number = 0;
|
|
private linkLoadPromises: Array<Promise<void>> = [];
|
|
private skipCSSLinks: Array<string> = [];
|
|
|
|
constructor(private readonly screen: Screen, private readonly setLoading: (flag: boolean) => void) {}
|
|
|
|
reset():void {
|
|
this.linkLoadingCount = 0;
|
|
this.linkLoadPromises = [];
|
|
}
|
|
|
|
setStyleHandlers(node: HTMLLinkElement, value: string): void {
|
|
let timeoutId: ReturnType<typeof setTimeout> | undefined;
|
|
const promise = new Promise<void>((resolve) => {
|
|
if (this.skipCSSLinks.includes(value)) resolve();
|
|
this.linkLoadingCount++;
|
|
this.setLoading(true);
|
|
const addSkipAndResolve = (e: any) => {
|
|
this.skipCSSLinks.push(value);
|
|
logger.error('skip node', e)
|
|
resolve()
|
|
}
|
|
timeoutId = setTimeout(() => addSkipAndResolve('by timeout'), 5000);
|
|
|
|
node.onload = () => {
|
|
const doc = this.screen.document;
|
|
if (node.ownerDocument === doc && doc) {
|
|
rewriteNodeStyleSheet(doc, node);
|
|
}
|
|
resolve();
|
|
}
|
|
node.onerror = addSkipAndResolve;
|
|
}).then(() => {
|
|
node.onload = null;
|
|
node.onerror = null;
|
|
clearTimeout(timeoutId);
|
|
this.linkLoadingCount--;
|
|
if (this.linkLoadingCount === 0) {
|
|
this.setLoading(false)
|
|
this.linkLoadPromises = [];
|
|
}
|
|
});
|
|
this.linkLoadPromises.push(promise);
|
|
}
|
|
|
|
moveReady(): Promise<void[]> {
|
|
if (this.linkLoadingCount > 0) {
|
|
return Promise.all(this.linkLoadPromises)
|
|
} else {
|
|
return Promise.resolve([])
|
|
}
|
|
}
|
|
}
|