/*
 * Copyright (C) 2021 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.
 */

#pragma once

#include "Connection.h"
#include <WebCore/BroadcastChannelIdentifier.h>
#include <WebCore/ClientOrigin.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMalloc.h>

namespace WebCore {
struct MessageWithMessagePorts;
}

namespace WebKit {

class NetworkProcess;

class NetworkBroadcastChannelRegistry : public RefCounted<NetworkBroadcastChannelRegistry> {
    WTF_MAKE_TZONE_ALLOCATED(NetworkBroadcastChannelRegistry);
public:
    static Ref<NetworkBroadcastChannelRegistry> create(NetworkProcess&);
    ~NetworkBroadcastChannelRegistry();

    void removeConnection(IPC::Connection&);

    void didReceiveMessage(IPC::Connection&, IPC::Decoder&);

    void registerChannel(IPC::Connection&, const WebCore::ClientOrigin&, const String& name);
    void unregisterChannel(IPC::Connection&, const WebCore::ClientOrigin&, const String& name);
    void postMessage(IPC::Connection&, const WebCore::ClientOrigin&, const String& name, WebCore::MessageWithMessagePorts&&, CompletionHandler<void()>&&);

private:
    explicit NetworkBroadcastChannelRegistry(NetworkProcess&);

    Ref<NetworkProcess> m_networkProcess;
    using NameToConnectionIdentifiersMap = HashMap<String, Vector<IPC::Connection::UniqueID>>;
    HashMap<WebCore::ClientOrigin, NameToConnectionIdentifiersMap> m_broadcastChannels;
};

} // namespace WebKit
