/*
 * Copyright (C) 2021-2023 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

#if ENABLE(GPU_PROCESS)

#include "RemoteGPU.h"
#include "StreamMessageReceiver.h"
#include "WebGPUCompilationMessage.h"
#include "WebGPUIdentifier.h"
#include <wtf/CompletionHandler.h>
#include <wtf/Ref.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Vector.h>
#include <wtf/WeakRef.h>
#include <wtf/text/WTFString.h>

namespace WebCore::WebGPU {
class ShaderModule;
}

namespace IPC {
class StreamServerConnection;
}

namespace WebKit {

namespace WebGPU {
class ObjectHeap;
}

class RemoteShaderModule final : public IPC::StreamMessageReceiver {
    WTF_MAKE_TZONE_ALLOCATED(RemoteShaderModule);
public:
    static Ref<RemoteShaderModule> create(WebCore::WebGPU::ShaderModule& shaderModule, WebGPU::ObjectHeap& objectHeap, Ref<IPC::StreamServerConnection>&& streamConnection, RemoteGPU& gpu, WebGPUIdentifier identifier)
    {
        return adoptRef(*new RemoteShaderModule(shaderModule, objectHeap, WTF::move(streamConnection), gpu, identifier));
    }

    virtual ~RemoteShaderModule();

    std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const { return m_gpu->sharedPreferencesForWebProcess(); }

    void stopListeningForIPC();

private:
    friend class WebGPU::ObjectHeap;

    RemoteShaderModule(WebCore::WebGPU::ShaderModule&, WebGPU::ObjectHeap&, Ref<IPC::StreamServerConnection>&&, RemoteGPU&, WebGPUIdentifier);

    RemoteShaderModule(const RemoteShaderModule&) = delete;
    RemoteShaderModule(RemoteShaderModule&&) = delete;
    RemoteShaderModule& operator=(const RemoteShaderModule&) = delete;
    RemoteShaderModule& operator=(RemoteShaderModule&&) = delete;

    WebCore::WebGPU::ShaderModule& backing() { return m_backing; }
    Ref<WebCore::WebGPU::ShaderModule> protectedBacking();
    Ref<IPC::StreamServerConnection> protectedStreamConnection() const;
    Ref<WebGPU::ObjectHeap> protectedObjectHeap() const { return m_objectHeap; }
    Ref<RemoteGPU> protectedGPU() const { return m_gpu; }

    void didReceiveStreamMessage(IPC::StreamServerConnection&, IPC::Decoder&) final;

    void compilationInfo(CompletionHandler<void(Vector<WebGPU::CompilationMessage>&&)>&&);

    void setLabel(String&&);
    void destruct();

    Ref<WebCore::WebGPU::ShaderModule> m_backing;
    WeakRef<WebGPU::ObjectHeap> m_objectHeap;
    Ref<IPC::StreamServerConnection> m_streamConnection;
    WeakRef<RemoteGPU> m_gpu;
    WebGPUIdentifier m_identifier;
};

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS)
