clover's git

the-knife

1	import type { MobileThemeId } from "../../lib/mobileTheme";
2	import type { ShowcaseScene } from "./nativeShowcaseScene";
3
4	export type ShowcaseRenderSignal = Readonly<{
5	scene: ShowcaseScene;
6	themeId: MobileThemeId;
7	}>;
8
9	const listeners = new Set<() => void>();
10	let renderSignal: ShowcaseRenderSignal | null = null;
11
12	export function getShowcaseRenderSignal(): ShowcaseRenderSignal | null {
13	return renderSignal;
14	}
15
16	export function subscribeToShowcaseRenderSignal(listener: () => void): () => void {
17	listeners.add(listener);
18	return () => listeners.delete(listener);
19	}
20
21	export function reportShowcaseSceneRendered(signal: ShowcaseRenderSignal): void {
22	renderSignal = signal;
23	for (const listener of listeners) listener();
24	}
25
26	export function clearShowcaseRenderSignal(): void {
27	if (renderSignal === null) return;
28	renderSignal = null;
29	for (const listener of listeners) listener();
30	}
31
32	export function isShowcaseNativeContentReady(input: {
33	readonly scene: ShowcaseScene;
34	readonly themeId: MobileThemeId;
35	readonly renderSignal: ShowcaseRenderSignal | null;
36	}): boolean {
37	if (input.scene !== "review") return true;
38	return input.renderSignal?.scene === "review" && input.renderSignal.themeId === input.themeId;
39	}