Files
wz-phone/desktop/src-tauri/capabilities/default.json
Siavash Sameni b7a48bf13b feat(ui): incoming-call ring tone + system notification
Previously: incoming calls silently popped an "Accept/Reject"
panel. Easy to miss — no audible cue, no system-level alert if
the app was backgrounded. Now the incoming-call path triggers
both a synthesized ring tone and a system notification banner.

## Ring tone (desktop/src/main.ts)

New `Ringer` class using Web Audio API directly — no external
asset files, no new npm dep. Synthesizes a classic NANP two-tone
cadence (440Hz + 480Hz sine mix, 2s tone + 4s silence, looped)
through an envelope-gated gain node that ramps on/off to avoid
clicks. Audible on every Tauri-supported platform because
WebView carries Web Audio.

- `start()` — lazily creates AudioContext on first use
  (platforms that require a user gesture for AudioContext
  creation still work because the incoming-call event is
  user-adjacent from the webview's perspective), starts
  setInterval(6000) loop.
- `stop()` — clears the timer AND disconnects any active
  oscillators so there's no tail audio.
- Active-nodes array is swept every cycle so it doesn't grow
  unbounded across long rings.

Hooked into signal-event handlers:
- `"incoming"` → `ringer.start()` + notifyIncomingCall
- `"answered"`, `"setup"`, `"hangup"` → `ringer.stop()`
- Accept/Reject button click handlers → `ringer.stop()` as
  the first thing they do (before any await)

## System notification (desktop/src-tauri + main.ts)

Added `tauri-plugin-notification = "2"` to the Tauri app and
registered in the builder. Capabilities updated with the four
notification permissions.

Frontend calls the plugin commands via the generic `invoke`
instead of adding `@tauri-apps/plugin-notification` as a JS
dep — Tauri plugins expose `plugin:notification|notify` etc.
directly. Flow:

1. `is_permission_granted` — check cached
2. If not granted → `request_permission` (Android prompts the
   user once, cached thereafter)
3. `notify` with title="Incoming call", body="From <alias>"

All wrapped in try/catch with console.debug fallback — plugin
missing or permission denied is non-fatal, the visible panel +
ring tone still alert the user.

## Known gaps (deferred)

- Android native system ringtone (RingtoneManager) + full-
  screen intent for lockscreen-visible ringer. Requires
  platform-specific Java/Kotlin glue in the Tauri Android
  shell — bigger lift.
- Desktop window flash / taskbar attention-seek on incoming
  call when app is backgrounded.
- Vibration pattern on Android.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-11 18:46:13 +04:00

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JSON

{
"$schema": "../gen/schemas/desktop-schema.json",
"identifier": "default",
"description": "Default capability — grants core APIs (events, path, window, app, clipboard) to the main window on every platform we ship to.",
"windows": ["main"],
"platforms": [
"linux",
"macOS",
"windows",
"android",
"iOS"
],
"permissions": [
"core:default",
"core:event:default",
"core:event:allow-listen",
"core:event:allow-unlisten",
"core:event:allow-emit",
"core:event:allow-emit-to",
"core:path:default",
"core:window:default",
"core:app:default",
"core:webview:default",
"shell:default",
"notification:default",
"notification:allow-notify",
"notification:allow-request-permission",
"notification:allow-is-permission-granted"
]
}