Create index.ts

src/core/plugins/CustomBackgroundMusic/index.ts

@@ -0,0 +1,65 @@
+import { findByProps } from "@vendetta/metro";
+import { ReactNative } from "@vendetta/metro/common";
+import { storage } from "@vendetta/plugin";
+import Settings from "./Settings";
+import { defineCorePlugin } from "..";
+
+const { DCDSoundManager } = ReactNative.NativeModules;
+
+export const settings: { url?: string } = storage;
+
+const SOUND_ID = 6973;
+
+let isPlaying = false;
+let loopTimeoutId: ReturnType<typeof setTimeout> | null = null;
+let currentUrl: string | null = null;
+
+function prepareSound(url: string): Promise<number> {
+    return new Promise((resolve) => {
+        DCDSoundManager.prepare(url, "music", SOUND_ID, (error: any, sound: any) => {
+            if (error) return resolve(-1);
+            resolve(sound?.duration ?? -1);
+        });
+    });
+}
+
+function stopLoop() {
+    isPlaying = false;
+    if (loopTimeoutId) {
+        clearTimeout(loopTimeoutId);
+        loopTimeoutId = null;
+    }
+    DCDSoundManager.stop(SOUND_ID);
+}
+
+// Exported so Settings.tsx can call this the moment the URL changes
+export async function playFromUrl(url: string) {
+    if (!url) return;
+
+    stopLoop();
+    currentUrl = url;
+
+    const duration = await prepareSound(url);
+    if (duration === -1 || currentUrl !== url) return;
+
+    isPlaying = true;
+
+    const cycle = async () => {
+        if (!isPlaying || currentUrl !== url) return;
+        await DCDSoundManager.play(SOUND_ID);
+        loopTimeoutId = setTimeout(cycle, duration);
+    };
+
+    cycle();
+}
+
+export default {
+    onLoad: () => {
+        if (settings.url) playFromUrl(settings.url);
+    },
+    onUnload: () => {
+        stopLoop();
+        currentUrl = null;
+    },
+    settings: Settings,
+};