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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(GPU_PROCESS) && USE(AUDIO_SESSION)
#include "GPUProcessConnection.h"
#include "MessageReceiver.h"
#include "RemoteAudioSessionConfiguration.h"
#include <WebCore/AudioSession.h>
#include <wtf/TZoneMalloc.h>
namespace IPC {
class Connection;
}
namespace WebKit {
class GPUProcessConnection;
class WebProcess;
class RemoteAudioSession final
: public WebCore::AudioSession
, public WebCore::AudioSessionInterruptionObserver
, public GPUProcessConnection::Client
, IPC::MessageReceiver {
WTF_MAKE_TZONE_ALLOCATED(RemoteAudioSession);
public:
static Ref<RemoteAudioSession> create();
~RemoteAudioSession();
WTF_ABSTRACT_THREAD_SAFE_REF_COUNTED_AND_CAN_MAKE_WEAK_PTR_IMPL;
private:
RemoteAudioSession();
IPC::Connection& ensureConnection();
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
// Messages
void configurationChanged(RemoteAudioSessionConfiguration&&);
// GPUProcessConnection::Client
void gpuProcessConnectionDidClose(GPUProcessConnection&) final;
// AudioSession
void setCategory(CategoryType, Mode, WebCore::RouteSharingPolicy) final;
CategoryType category() const final;
Mode mode() const final;
WebCore::RouteSharingPolicy routeSharingPolicy() const final { return m_routeSharingPolicy; }
String routingContextUID() const final { return configuration().routingContextUID; }
float sampleRate() const final { return configuration().sampleRate; }
size_t bufferSize() const final { return configuration().bufferSize; }
size_t numberOfOutputChannels() const final { return configuration().numberOfOutputChannels; }
size_t maximumNumberOfOutputChannels() const final { return configuration().maximumNumberOfOutputChannels; }
size_t outputLatency() const final { return configuration().outputLatency; }
bool tryToSetActiveInternal(bool) final;
size_t preferredBufferSize() const final { return configuration().preferredBufferSize; }
void setPreferredBufferSize(size_t) final;
void addConfigurationChangeObserver(WebCore::AudioSessionConfigurationChangeObserver&) final;
void removeConfigurationChangeObserver(WebCore::AudioSessionConfigurationChangeObserver&) final;
void setIsPlayingToBluetoothOverride(std::optional<bool>) final;
bool isMuted() const final { return configuration().isMuted; }
bool isActive() const final { return configuration().isActive; }
void beginInterruptionForTesting() final;
void endInterruptionForTesting() final;
void clearInterruptionFlagForTesting() final { m_isInterruptedForTesting = false; }
void setSceneIdentifier(const String&) final;
const String& sceneIdentifier() const final { return configuration().sceneIdentifier; }
void setSoundStageSize(SoundStageSize) final;
SoundStageSize soundStageSize() const final { return configuration().soundStageSize; }
const RemoteAudioSessionConfiguration& configuration() const;
RemoteAudioSessionConfiguration& configuration();
void initializeConfigurationIfNecessary();
void beginInterruptionRemote();
void endInterruptionRemote(MayResume);
// InterruptionObserver
void beginAudioSessionInterruption() final;
void endAudioSessionInterruption(MayResume) final;
WeakHashSet<WebCore::AudioSessionConfigurationChangeObserver> m_configurationChangeObservers;
CategoryType m_category { CategoryType::None };
Mode m_mode { Mode::Default };
WebCore::RouteSharingPolicy m_routeSharingPolicy { WebCore::RouteSharingPolicy::Default };
bool m_isPlayingToBluetoothOverrideChanged { false };
std::optional<RemoteAudioSessionConfiguration> m_configuration;
ThreadSafeWeakPtr<GPUProcessConnection> m_gpuProcessConnection;
bool m_isInterruptedForTesting { false };
};
}
#endif
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