Source/WebKit/GPUProcess/media/RemoteRemoteCommandListenerProxy.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
 * 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
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 */

#pragma once

#if ENABLE(GPU_PROCESS)

#include "MessageReceiver.h"
#include "RemoteRemoteCommandListenerIdentifier.h"
#include <WebCore/RemoteCommandListener.h>
#include <wtf/RetainPtr.h>
#include <wtf/UniqueRef.h>
#include <wtf/WeakPtr.h>

namespace IPC {
class Connection;
}

namespace WebKit {

class GPUConnectionToWebProcess;

class RemoteRemoteCommandListenerProxy : public RefCounted<RemoteRemoteCommandListenerProxy>, private IPC::MessageReceiver {
    WTF_MAKE_FAST_ALLOCATED;
public:
    static Ref<RemoteRemoteCommandListenerProxy> create(GPUConnectionToWebProcess& process, RemoteRemoteCommandListenerIdentifier&& identifier)
    {
        return adoptRef(*new RemoteRemoteCommandListenerProxy(process, WTFMove(identifier)));
    }

    virtual ~RemoteRemoteCommandListenerProxy();

    bool supportsSeeking() const { return m_supportsSeeking; }
    const WebCore::RemoteCommandListener::RemoteCommandsSet& supportedCommands() const { return m_supportedCommands; }

    RemoteRemoteCommandListenerIdentifier identifier() const { return m_identifier; }

    // IPC::MessageReceiver
    void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;

private:
    RemoteRemoteCommandListenerProxy(GPUConnectionToWebProcess&, RemoteRemoteCommandListenerIdentifier&&);

    // Messages
    void updateSupportedCommands(Vector<WebCore::PlatformMediaSession::RemoteControlCommandType>&& commands, bool supportsSeeking);

    WeakPtr<GPUConnectionToWebProcess> m_gpuConnection;
    RemoteRemoteCommandListenerIdentifier m_identifier;
    WebCore::RemoteCommandListener::RemoteCommandsSet m_supportedCommands;
    bool m_supportsSeeking { false };
};

}

#endif