Source/WebKit/WebProcess/GPU/webrtc/SampleBufferDisplayLayerManager.cpp

/*
 * Copyright (C) 2020 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 *    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
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#include "config.h"
#include "SampleBufferDisplayLayerManager.h"

#if PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)

using namespace WebCore;

namespace WebKit {

void SampleBufferDisplayLayerManager::didReceiveLayerMessage(IPC::Connection& connection, IPC::Decoder& decoder)
{
    if (auto* layer = m_layers.get(makeObjectIdentifier<SampleBufferDisplayLayerIdentifierType>(decoder.destinationID())).get())
        layer->didReceiveMessage(connection, decoder);
}

std::unique_ptr<WebCore::SampleBufferDisplayLayer> SampleBufferDisplayLayerManager::createLayer(SampleBufferDisplayLayer::Client& client, bool hideRootLayer, WebCore::IntSize size)
{
    auto layer = SampleBufferDisplayLayer::create(*this, client, hideRootLayer, size);
    if (!layer)
        return { };

    m_layers.add(layer->identifier(), makeWeakPtr(*layer));
    return layer;
}

void SampleBufferDisplayLayerManager::addLayer(SampleBufferDisplayLayer& layer)
{
    ASSERT(!m_layers.contains(layer.identifier()));
    m_layers.add(layer.identifier(), makeWeakPtr(layer));
}

void SampleBufferDisplayLayerManager::removeLayer(SampleBufferDisplayLayer& layer)
{
    ASSERT(m_layers.contains(layer.identifier()));
    m_layers.remove(layer.identifier());
}

}

#endif