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/*
* Copyright (C) 2022 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(DOM_AUDIO_SESSION)
#include "ActiveDOMObject.h"
#include "AudioSession.h"
#include "EventTarget.h"
#include "ExceptionOr.h"
#include <wtf/RefCounted.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
enum class DOMAudioSessionType : uint8_t { Auto, Playback, Transient, TransientSolo, Ambient, PlayAndRecord };
enum class DOMAudioSessionState : uint8_t { Inactive, Active, Interrupted };
class DOMAudioSession final : public RefCounted<DOMAudioSession>, public ActiveDOMObject, public EventTarget, public AudioSessionInterruptionObserver {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(DOMAudioSession);
public:
USING_CAN_MAKE_WEAKPTR(EventTarget);
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
static Ref<DOMAudioSession> create(ScriptExecutionContext*);
~DOMAudioSession();
using Type = DOMAudioSessionType;
using State = DOMAudioSessionState;
ExceptionOr<void> setType(Type);
Type type() const;
State state() const;
private:
explicit DOMAudioSession(ScriptExecutionContext*);
// EventTarget
enum EventTargetInterfaceType eventTargetInterface() const final { return EventTargetInterfaceType::DOMAudioSession; }
ScriptExecutionContext* scriptExecutionContext() const final { return ContextDestructionObserver::scriptExecutionContext(); }
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
// ActiveDOMObject
void stop() final;
bool virtualHasPendingActivity() const final;
// InterruptionObserver
void beginAudioSessionInterruption() final;
void endAudioSessionInterruption(AudioSession::MayResume) final;
void audioSessionActiveStateChanged() final;
void scheduleStateChangeEvent();
bool m_hasScheduleStateChangeEvent { false };
mutable std::optional<State> m_state;
};
} // namespace WebCore
#endif // ENABLE(DOM_AUDIO_SESSION)
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