gpt-engineer-app[bot]
7532aa93a6
Co-authored-by: Reifonas <211114984+Reifonas@users.noreply.github.com>
21 lines
634 B
TypeScript
21 lines
634 B
TypeScript
/**
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* Lightweight registry that lets the XR mirror expose its offscreen canvas
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* as the preferred broadcast source. ShareButton checks here first.
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*/
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let activeCanvas: HTMLCanvasElement | null = null;
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const listeners = new Set<(c: HTMLCanvasElement | null) => void>();
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export function setBroadcastSource(c: HTMLCanvasElement | null) {
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activeCanvas = c;
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listeners.forEach((cb) => cb(c));
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}
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export function getBroadcastSource(): HTMLCanvasElement | null {
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return activeCanvas;
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}
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export function onBroadcastSourceChange(cb: (c: HTMLCanvasElement | null) => void) {
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listeners.add(cb);
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return () => listeners.delete(cb);
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}
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