ScriptPromise ServiceWorkerRegistrationNotifications::showNotification(ScriptState* scriptState, ServiceWorkerRegistration& serviceWorkerRegistration, const String& title, const NotificationOptions& options, ExceptionState& exceptionState)
{
    ExecutionContext* executionContext = scriptState->executionContext();

    // If context object's active worker is null, reject promise with a TypeError exception.
    if (!serviceWorkerRegistration.active())
        return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "No active registration available on the ServiceWorkerRegistration."));

    // If permission for notification's origin is not "granted", reject promise with a TypeError exception, and terminate these substeps.
    if (Notification::checkPermission(executionContext) != WebNotificationPermissionAllowed)
        return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "No notification permission has been granted for this origin."));

    if (options.hasVibrate() && options.silent())
        return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "Silent notifications must not specify vibration patterns."));

    // FIXME: Unify the code path here with the Notification.create() function.
    Vector<char> dataAsWireBytes;
    if (options.hasData()) {
        RefPtr<SerializedScriptValue> data = SerializedScriptValueFactory::instance().create(options.data().isolate(), options.data(), nullptr, exceptionState);
        if (exceptionState.hadException())
            return exceptionState.reject(scriptState);

        data->toWireBytes(dataAsWireBytes);
    }

    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
    ScriptPromise promise = resolver->promise();

    // FIXME: Do the appropriate CORS checks on the icon URL.

    KURL iconUrl;
    if (options.hasIcon() && !options.icon().isEmpty()) {
        iconUrl = executionContext->completeURL(options.icon());
        if (!iconUrl.isValid())
            iconUrl = KURL();
    }

    WebNotificationData::Direction dir = options.dir() == "rtl" ? WebNotificationData::DirectionRightToLeft : WebNotificationData::DirectionLeftToRight;
    NavigatorVibration::VibrationPattern vibrate = NavigatorVibration::sanitizeVibrationPattern(options.vibrate());
    WebNotificationData notification(title, dir, options.lang(), options.body(), options.tag(), iconUrl, vibrate, options.silent(), dataAsWireBytes);
    WebNotificationShowCallbacks* callbacks = new CallbackPromiseAdapter<void, void>(resolver);

    SecurityOrigin* origin = executionContext->securityOrigin();
    ASSERT(origin);

    WebNotificationManager* notificationManager = Platform::current()->notificationManager();
    ASSERT(notificationManager);

    notificationManager->showPersistent(WebSerializedOrigin(*origin), notification, serviceWorkerRegistration.webRegistration(), callbacks);
    return promise;
}
ScriptPromise ServiceWorkerRegistrationNotifications::showNotification(ScriptState* scriptState, ServiceWorkerRegistration& serviceWorkerRegistration, const String& title, const NotificationOptions& options)
{
    ExecutionContext* executionContext = scriptState->executionContext();

    // If context object's active worker is null, reject promise with a TypeError exception.
    if (!serviceWorkerRegistration.active())
        return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "No active registration available on the ServiceWorkerRegistration."));

    // If permission for notification's origin is not "granted", reject promise with a TypeError exception, and terminate these substeps.
    if (Notification::checkPermission(executionContext) != WebNotificationPermissionAllowed)
        return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "No notification permission has been granted for this origin."));

    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
    ScriptPromise promise = resolver->promise();

    // FIXME: Do the appropriate CORS checks on the icon URL.
    // FIXME: Determine the text direction based on the options dictionary.

    KURL iconUrl;
    if (options.hasIcon() && !options.icon().isEmpty()) {
        iconUrl = executionContext->completeURL(options.icon());
        if (!iconUrl.isValid())
            iconUrl = KURL();
    }

    WebNotificationData notification(title, WebNotificationData::DirectionLeftToRight, options.lang(), options.body(), options.tag(), iconUrl);
    WebNotificationShowCallbacks* callbacks = new CallbackPromiseAdapter<void, void>(resolver);

    SecurityOrigin* origin = executionContext->securityOrigin();
    ASSERT(origin);

    WebNotificationManager* notificationManager = Platform::current()->notificationManager();
    ASSERT(notificationManager);

    notificationManager->showPersistent(WebSerializedOrigin(*origin), notification, serviceWorkerRegistration.webRegistration(), callbacks);
    return promise;
}