setTokens method

Implementation

@override
Future<bool?> setTokens({required String accessToken, String? deviceToken}) async {
  // TODO use updateOptions for Twilio device
  assert(accessToken.isNotEmpty, "Access token cannot be empty");
  // The Twilio JS SDK is bundled with this package and injected on demand - `twilio_js.Device`
  // resolves the `window.Twilio` global, so the SDK must be present before we construct it.
  try {
    await ensureSdkLoaded();
  } catch (e) {
    printDebug("Failed to load Twilio Voice JS SDK: $e");
    // Keep the default "LOG" prefix - a prefix-less string is not a valid event and would
    // throw in [parseCallEvent].
    logLocalEvent("Failed to load Twilio Voice JS SDK: $e");
    return false;
  }
  // assert(deviceToken != null && deviceToken.isNotEmpty, "Device token cannot be null or empty");
  // if (device != null) {
  //   // check active calls?
  //   printDebug("Twilio device already active, unregistering...");
  //   try {
  //     await device!.unregister();
  //
  //   } catch (e) {
  //     printDebug("Failed to unregister device: $e");
  //     return false;
  //   }
  // }
  try {
    final shouldUpdate = device != null && getDeviceState(device!) == DeviceState.registered;
    if (shouldUpdate) {
      if(device?.token == accessToken) {
        printDebug("Device token is the same, no need to update");
        return true;
      }
      device!.updateToken(accessToken);
    } else {
      final existing = device;
      if (existing != null) {
        try {
          _detachDeviceListeners(existing);
          existing.destroy();
        } catch (e) {
          printDebug("Failed to tear down previous Twilio Device: $e");
        }
      }

      /// opus set as primary code
      /// https://www.twilio.com/blog/client-javascript-sdk-1-7-ga
      List<String> codecs = ["opus", "pcmu"];
      twilio_js.DeviceOptions options = twilio_js.DeviceOptions(
        logLevel: 1,
        codecPreferences: codecs.map((e) => e.toJS).toList().toJS,
        closeProtection: true,
        enableImprovedSignalingErrorPrecision: true,
        allowIncomingWhileBusy: _allowIncomingWhileBusy,
      );

      /// create new Twilio device
      device = twilio_js.Device(accessToken, options);
      _call.device = device;
      _attachDeviceListeners(device!);

      // Register device to accept notifications
      final promise = device!.register();
      await promise.toDart;
    }

    return true;
  } catch (e) {
    printDebug("Failed to set Twilio Device token: $e");
    return false;
  }
}