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/*
* Copyright (C) 2022 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 "RemoteRenderingBackendCreationParameters.h"
#include "RemoteVideoFrameObjectHeapProxy.h"
#include <WebCore/WorkerClient.h>
namespace WebKit {
class WebPage;
class RemoteRenderingBackendProxy;
class WebWorkerClient : public WebCore::WorkerClient {
WTF_MAKE_FAST_ALLOCATED;
public:
// Constructed on the main thread, and then transferred to the
// worker thread. All further operations on this object will
// happen on the worker.
// Any details needed from the page must be copied at this
// point, but can't hold references to any main-thread objects.
WebWorkerClient(WebPage*, SerialFunctionDispatcher&);
// Used for constructing clients for nested workers. Created on the
// worker thread of the outer worker, and then transferred to the
// nested worker.
#if ENABLE(GPU_PROCESS)
#if ENABLE(VIDEO)
WebWorkerClient(IPC::Connection&, SerialFunctionDispatcher&, RemoteRenderingBackendCreationParameters&, WebCore::PlatformDisplayID&, Ref<RemoteVideoFrameObjectHeapProxy>&&);
#else
WebWorkerClient(IPC::Connection&, SerialFunctionDispatcher&, RemoteRenderingBackendCreationParameters&, WebCore::PlatformDisplayID&);
#endif
#else
WebWorkerClient(SerialFunctionDispatcher&, WebCore::PlatformDisplayID&);
#endif
std::unique_ptr<WorkerClient> clone(SerialFunctionDispatcher&) final;
WebCore::PlatformDisplayID displayID() const final;
RefPtr<WebCore::ImageBuffer> sinkIntoImageBuffer(std::unique_ptr<WebCore::SerializedImageBuffer>) final;
RefPtr<WebCore::ImageBuffer> createImageBuffer(const WebCore::FloatSize&, WebCore::RenderingMode, WebCore::RenderingPurpose, float resolutionScale, const WebCore::DestinationColorSpace&, WebCore::PixelFormat, bool avoidBackendSizeCheck = false) const final;
#if ENABLE(WEBGL)
RefPtr<WebCore::GraphicsContextGL> createGraphicsContextGL(const WebCore::GraphicsContextGLAttributes&) const final;
#endif
private:
#if ENABLE(GPU_PROCESS)
RemoteRenderingBackendProxy& ensureRenderingBackend() const;
#endif
SerialFunctionDispatcher& m_dispatcher;
#if ENABLE(GPU_PROCESS)
Ref<IPC::Connection> m_connection;
mutable std::unique_ptr<RemoteRenderingBackendProxy> m_remoteRenderingBackendProxy;
RemoteRenderingBackendCreationParameters m_creationParameters;
#if ENABLE(VIDEO)
Ref<RemoteVideoFrameObjectHeapProxy> m_videoFrameObjectHeapProxy;
#endif
#endif
WebCore::PlatformDisplayID m_displayID;
};
} // namespace WebKit
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