Source/WebKit/GPUProcess/webrtc/RemoteSampleBufferDisplayLayerManager.cpp

/*
 * Copyright (C) 2020 Apple Inc. All rights reserved.
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#include "config.h"
#include "RemoteSampleBufferDisplayLayerManager.h"

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

#include "Decoder.h"
#include "RemoteSampleBufferDisplayLayer.h"

namespace WebKit {

RemoteSampleBufferDisplayLayerManager::RemoteSampleBufferDisplayLayerManager(Ref<IPC::Connection>&& connection)
    : m_connection(WTFMove(connection))
{
}

RemoteSampleBufferDisplayLayerManager::~RemoteSampleBufferDisplayLayerManager() = default;

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

// FIXME: We should refactor code to use an asynchronous IPC.
void RemoteSampleBufferDisplayLayerManager::createLayer(SampleBufferDisplayLayerIdentifier identifier, bool hideRootLayer, IntSize size, Messages::RemoteSampleBufferDisplayLayerManager::CreateLayerDelayedReply&& reply)
{
    ASSERT(!m_layers.contains(identifier));
    auto layer = RemoteSampleBufferDisplayLayer::create(identifier, m_connection.copyRef(), hideRootLayer, size);
    if (!layer)
        return reply({ }, { });

    reply(layer->contextID(), layer->bounds());
    m_layers.add(identifier, WTFMove(layer));
}

void RemoteSampleBufferDisplayLayerManager::releaseLayer(SampleBufferDisplayLayerIdentifier identifier)
{
    ASSERT(m_layers.contains(identifier));
    m_layers.remove(identifier);
}

}

#endif // PLATFORM(COCOA) && ENABLE(GPU_PROCESS) && ENABLE(VIDEO_TRACK) && ENABLE(MEDIA_STREAM)