Source/WebKit/GPUProcess/media/RemoteAudioHardwareListenerProxy.cpp

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions
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 *
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"
#include "RemoteAudioHardwareListenerProxy.h"

#if ENABLE(GPU_PROCESS)

#include "GPUConnectionToWebProcess.h"
#include "RemoteAudioHardwareListenerMessages.h"

namespace WebKit {

RemoteAudioHardwareListenerProxy::RemoteAudioHardwareListenerProxy(GPUConnectionToWebProcess& gpuConnection, RemoteAudioHardwareListenerIdentifier&& identifier)
    : m_gpuConnection(gpuConnection)
    , m_identifier(WTFMove(identifier))
    , m_listener(WebCore::AudioHardwareListener::create(*this))
{
    audioOutputDeviceChanged();
}

RemoteAudioHardwareListenerProxy::~RemoteAudioHardwareListenerProxy() = default;

void RemoteAudioHardwareListenerProxy::audioHardwareDidBecomeActive()
{
    if (!m_gpuConnection)
        return;

    m_gpuConnection->connection().send(Messages::RemoteAudioHardwareListener::AudioHardwareDidBecomeActive(), m_identifier);
}

void RemoteAudioHardwareListenerProxy::audioHardwareDidBecomeInactive()
{
    if (!m_gpuConnection)
        return;

    m_gpuConnection->connection().send(Messages::RemoteAudioHardwareListener::AudioHardwareDidBecomeInactive(), m_identifier);
}

void RemoteAudioHardwareListenerProxy::audioOutputDeviceChanged()
{
    if (!m_gpuConnection)
        return;

    auto supportedBufferSizes = m_listener->supportedBufferSizes();
    m_gpuConnection->connection().send(Messages::RemoteAudioHardwareListener::AudioOutputDeviceChanged(supportedBufferSizes.minimum, supportedBufferSizes.maximum), m_identifier);
}

}

#endif