Add configurable download sound and improve cancellation retries

2026-10-05 19:49:23 +02:00
parent 561b57f2e6
commit 22f4cbcdee
8 changed files with 276 additions and 14 deletions
@@ -0,0 +1,53 @@
+import { safeStorage } from '../resolver/utils/html_utils.js';
+
+const notes = [
+    { freq: 523, start: 0, duration: 0.27, volume: 0.055 },
+    { freq: 659, start: 0.15, duration: 0.33, volume: 0.060 },
+    { freq: 784, start: 0.30, duration: 0.48, volume: 0.055 },
+    { freq: 1046, start: 0.47, duration: 0.40, volume: 0.022 },
+];
+
+let context;
+
+function unlockAudio() {
+    try {
+        const AudioContext = globalThis.AudioContext || globalThis.webkitAudioContext;
+        if (!AudioContext) return;
+        context ||= new AudioContext();
+        if (context.state === 'suspended') void context.resume().catch(() => {});
+    } catch {
+        // Audio availability must not affect downloads.
+    }
+}
+
+// Browsers require a user gesture before allowing notification audio.
+globalThis.document?.addEventListener('pointerdown', unlockAudio, { capture: true, passive: true });
+globalThis.document?.addEventListener('keydown', unlockAudio, { capture: true, passive: true });
+
+export function playDownloadSuccessSound() {
+    try {
+        if (safeStorage.getItem('ModelResolver.downloadSoundEnabled') === 'false' || context?.state !== 'running') return;
+        const now = context.currentTime;
+        for (const note of notes) {
+            const oscillator = context.createOscillator();
+            const gain = context.createGain();
+            const start = now + note.start;
+            const end = start + note.duration;
+            oscillator.type = 'sine';
+            oscillator.frequency.setValueAtTime(note.freq, start);
+            gain.gain.setValueAtTime(0.0001, start);
+            gain.gain.exponentialRampToValueAtTime(note.volume, start + 0.012);
+            gain.gain.exponentialRampToValueAtTime(0.0001, end);
+            oscillator.connect(gain);
+            gain.connect(context.destination);
+            oscillator.onended = () => {
+                oscillator.disconnect();
+                gain.disconnect();
+            };
+            oscillator.start(start);
+            oscillator.stop(end + 0.02);
+        }
+    } catch {
+        // Notification audio is optional when the browser cannot play it.
+    }
+}