/*
 * Copyright (C) 2017 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

// FIXME: The spec IDL exposes this on Worker in addition to Window.
// We don't currently support nested workers.

[
    SecureContext,
    Exposed=(Window,ServiceWorker),
    Conditional=SERVICE_WORKER,
    EnabledAtRuntime=ServiceWorker,
    GenerateIsReachable=Impl,
] interface ServiceWorkerContainer : EventTarget {
    readonly attribute ServiceWorker? controller;
    readonly attribute Promise<ServiceWorkerRegistration> ready;

    [NewObject, ImplementedAs=addRegistration] Promise<ServiceWorkerRegistration> register(USVString scriptURL, optional RegistrationOptions options);
    [NewObject] Promise<any> getRegistration(optional USVString clientURL = "");
    [NewObject] Promise<sequence<ServiceWorkerRegistration>> getRegistrations();

    void startMessages();

    // events
    attribute EventHandler oncontrollerchange;
    attribute EventHandler onmessage;
    attribute EventHandler onmessageerror;
};

dictionary RegistrationOptions {
    USVString scope;
    WorkerType type = "classic";
    ServiceWorkerUpdateViaCache updateViaCache = "imports";
};