Source/WebKit/WebProcess/WebCoreSupport/WebBroadcastChannelRegistry.h

/*
 * 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
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 *
 * 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
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#pragma once

#include "Connection.h"
#include <WebCore/BroadcastChannelRegistry.h>
#include <WebCore/ClientOrigin.h>
#include <WebCore/PartitionedSecurityOrigin.h>
#include <WebCore/SecurityOrigin.h>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>

namespace WTF {
class CallbackAggregator;
}

namespace WebCore {
struct MessageWithMessagePorts;
}

namespace WebKit {

class WebBroadcastChannelRegistry final : public WebCore::BroadcastChannelRegistry {
public:
    static Ref<WebBroadcastChannelRegistry> create()
    {
        return adoptRef(*new WebBroadcastChannelRegistry);
    }

    void registerChannel(const WebCore::PartitionedSecurityOrigin&, const String& name, WebCore::BroadcastChannelIdentifier) final;
    void unregisterChannel(const WebCore::PartitionedSecurityOrigin&, const String& name, WebCore::BroadcastChannelIdentifier) final;
    void postMessage(const WebCore::PartitionedSecurityOrigin&, const String& name, WebCore::BroadcastChannelIdentifier source, Ref<WebCore::SerializedScriptValue>&&, CompletionHandler<void()>&&) final;

    void networkProcessCrashed();

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

private:
    WebBroadcastChannelRegistry() = default;

    void postMessageToRemote(const WebCore::ClientOrigin&, const String& name, WebCore::MessageWithMessagePorts&&, CompletionHandler<void()>&&);
    void postMessageLocally(const WebCore::PartitionedSecurityOrigin&, const String& name, std::optional<WebCore::BroadcastChannelIdentifier> sourceInProcess, Ref<WebCore::SerializedScriptValue>&&, Ref<WTF::CallbackAggregator>&&);

    HashMap<WebCore::PartitionedSecurityOrigin, HashMap<String, Vector<WebCore::BroadcastChannelIdentifier>>> m_channelsPerOrigin;
};

} // namespace WebKit