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/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 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
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(ROUTING_ARBITRATION)
#include "MessageReceiver.h"
#include <WebCore/AudioSession.h>
#include <wtf/CheckedRef.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WallTime.h>
#include <wtf/WeakPtr.h>
#if HAVE(AVAUDIO_ROUTING_ARBITER)
#import <WebCore/SharedRoutingArbitrator.h>
#endif
namespace WebKit {
class WebProcessProxy;
struct SharedPreferencesForWebProcess;
class AudioSessionRoutingArbitratorProxy
: public IPC::MessageReceiver {
WTF_MAKE_TZONE_ALLOCATED(AudioSessionRoutingArbitratorProxy);
public:
explicit AudioSessionRoutingArbitratorProxy(WebProcessProxy&);
virtual ~AudioSessionRoutingArbitratorProxy();
void processDidTerminate();
WebCore::AudioSession::CategoryType category() const { return m_category; }
static uint64_t destinationId() { return 1; }
using RoutingArbitrationError = WebCore::AudioSessionRoutingArbitrationClient::RoutingArbitrationError;
using DefaultRouteChanged = WebCore::AudioSessionRoutingArbitrationClient::DefaultRouteChanged;
using ArbitrationCallback = WebCore::AudioSessionRoutingArbitrationClient::ArbitrationCallback;
enum class ArbitrationStatus : uint8_t {
None,
Pending,
Active,
};
ArbitrationStatus arbitrationStatus() const { return m_arbitrationStatus; }
WallTime arbitrationUpdateTime() const { return m_arbitrationUpdateTime; }
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const;
void ref() const final;
void deref() const final;
protected:
Logger& logger();
uint64_t logIdentifier() const { return m_logIdentifier; }
ASCIILiteral logClassName() const { return "AudioSessionRoutingArbitrator"_s; }
WTFLogChannel& logChannel() const;
private:
Ref<WebProcessProxy> protectedProcess();
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
// Messages
void beginRoutingArbitrationWithCategory(WebCore::AudioSession::CategoryType, ArbitrationCallback&&);
void endRoutingArbitration();
WeakRef<WebProcessProxy> m_process;
WebCore::AudioSession::CategoryType m_category { WebCore::AudioSession::CategoryType::None };
ArbitrationStatus m_arbitrationStatus { ArbitrationStatus::None };
WallTime m_arbitrationUpdateTime;
uint64_t m_logIdentifier { 0 };
#if HAVE(AVAUDIO_ROUTING_ARBITER)
UniqueRef<WebCore::SharedRoutingArbitratorToken> m_token;
#endif
};
}
#endif
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