Source/WebKit/GPUProcess/mac/LocalAudioSessionRoutingArbitrator.cpp

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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 * 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 "LocalAudioSessionRoutingArbitrator.h"

#include "GPUProcess.h"
#include "GPUProcessConnectionMessages.h"

#if ENABLE(ROUTING_ARBITRATION) && HAVE(AVAUDIO_ROUTING_ARBITER)

namespace WebKit {

using namespace WebCore;

UniqueRef<LocalAudioSessionRoutingArbitrator> LocalAudioSessionRoutingArbitrator::create(GPUConnectionToWebProcess& gpuConnectionToWebProcess)
{
    return makeUniqueRef<LocalAudioSessionRoutingArbitrator>(gpuConnectionToWebProcess);
}

LocalAudioSessionRoutingArbitrator::LocalAudioSessionRoutingArbitrator(GPUConnectionToWebProcess& gpuConnectionToWebProcess)
    : m_connectionToWebProcess(gpuConnectionToWebProcess)
{
}

LocalAudioSessionRoutingArbitrator::~LocalAudioSessionRoutingArbitrator() = default;

void LocalAudioSessionRoutingArbitrator::processDidTerminate()
{
    leaveRoutingAbritration();
}

void LocalAudioSessionRoutingArbitrator::beginRoutingArbitrationWithCategory(AudioSession::CategoryType category, CompletionHandler<void(RoutingArbitrationError, DefaultRouteChanged)>&& callback)
{
    m_connectionToWebProcess.connection().sendWithAsyncReply(Messages::GPUProcessConnection::BeginRoutingArbitrationWithCategory(category), WTFMove(callback), 0);
}

void LocalAudioSessionRoutingArbitrator::leaveRoutingAbritration()
{
    m_connectionToWebProcess.connection().send(Messages::GPUProcessConnection::EndRoutingArbitration(), 0);
}

}

#endif