Source/WebKit/WebProcess/GPU/media/RemoteAudioSession.cpp

/*
 * Copyright (C) 2020 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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#include "config.h"
#include "RemoteAudioSession.h"

#if ENABLE(GPU_PROCESS) && USE(AUDIO_SESSION)

#include "GPUConnectionToWebProcessMessages.h"
#include "GPUProcessProxy.h"
#include "RemoteAudioSessionMessages.h"
#include "RemoteAudioSessionProxyMessages.h"
#include <WebCore/PlatformMediaSessionManager.h>

namespace WebKit {

using namespace WebCore;

UniqueRef<RemoteAudioSession> RemoteAudioSession::create(WebProcess& process)
{
    RemoteAudioSessionConfiguration configuration;
    process.ensureGPUProcessConnection().connection().sendSync(Messages::GPUConnectionToWebProcess::EnsureAudioSession(), Messages::GPUConnectionToWebProcess::EnsureAudioSession::Reply(configuration), { });
    return makeUniqueRef<RemoteAudioSession>(process, WTFMove(configuration));
}

RemoteAudioSession::RemoteAudioSession(WebProcess& process, RemoteAudioSessionConfiguration&& configuration)
    : m_process(process)
    , m_configuration(WTFMove(configuration))
{
    m_process.ensureGPUProcessConnection().messageReceiverMap().addMessageReceiver(Messages::RemoteAudioSession::messageReceiverName(), 1, *this);
}

RemoteAudioSession::~RemoteAudioSession()
{
    if (auto* connection = m_process.existingGPUProcessConnection())
        connection->messageReceiverMap().removeMessageReceiver(Messages::RemoteAudioSession::messageReceiverName(), 1);
}

IPC::Connection& RemoteAudioSession::connection()
{
    return m_process.ensureGPUProcessConnection().connection();
}

void RemoteAudioSession::setCategory(CategoryType type, RouteSharingPolicy policy)
{
    connection().send(Messages::RemoteAudioSessionProxy::SetCategory(type, policy), { });
}

void RemoteAudioSession::setPreferredBufferSize(size_t size)
{
    connection().send(Messages::RemoteAudioSessionProxy::SetPreferredBufferSize(size), { });
}

bool RemoteAudioSession::tryToSetActiveInternal(bool active)
{
    bool succeeded;
    connection().sendSync(Messages::RemoteAudioSessionProxy::TryToSetActive(active), Messages::RemoteAudioSessionProxy::TryToSetActive::Reply(succeeded), { });
    return succeeded;
}

void RemoteAudioSession::configurationChanged(RemoteAudioSessionConfiguration&& configuration)
{
    bool mutedStateChanged = configuration.isMuted != m_configuration.isMuted;

    m_configuration = configuration;

    if (mutedStateChanged)
        handleMutedStateChange();
}

}

#endif