/*
 * Copyright (C) 2018 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.
 */

// This class is used when connecting to a target which multiplexes to other targets.

WI.MultiplexingBackendTarget = class MultiplexingBackendTarget extends WI.Target
{
    constructor()
    {
        const parentTarget = null;
        const targetId = "multi";
        super(parentTarget, targetId, WI.UIString("Web Page"), WI.TargetType.WebPage, InspectorBackend.backendConnection);

        console.assert(Array.shallowEqual(Object.keys(this._agents).sort(), ["Browser", "Network", "Target"]));
    }

    // Target

    initialize()
    {
        // Only initialize with the managers that are known to support a multiplexing target.
        // Network is not initialized here because ProxyingNetworkAgent only exists under
        // Site Isolation. NetworkManager initializes the multiplexing target's Network agent
        // lazily when the first FrameTarget is created (signaling SI is active).
        WI.browserManager.initializeTarget(this);
        WI.targetManager.initializeTarget(this);
    }

    // Protected (Target)

    get name()
    {
        console.error("Called name on a MultiplexingBackendTarget");
        return WI.UIString("Page");
    }

    get executionContext()
    {
        console.error("Called executionContext on a MultiplexingBackendTarget");
        return null;
    }

    get mainResource()
    {
        console.error("Called mainResource on a MultiplexingBackendTarget");
        return null;
    }
};
