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/*
* Copyright (C) 2016 Ericsson AB. All rights reserved.
* Copyright (C) 2017 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.
* 3. Neither the name of Ericsson nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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(WEB_RTC)
#include "RTCRtpReceiver.h"
#include "RTCRtpSender.h"
#include "RTCRtpTransceiverBackend.h"
#include "RTCRtpTransceiverDirection.h"
#include "ScriptWrappable.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class RTCPeerConnection;
struct RTCRtpCodecCapability;
class RTCRtpTransceiver final : public RefCounted<RTCRtpTransceiver>, public ScriptWrappable {
WTF_MAKE_ISO_ALLOCATED(RTCRtpTransceiver);
public:
static Ref<RTCRtpTransceiver> create(Ref<RTCRtpSender>&& sender, Ref<RTCRtpReceiver>&& receiver, std::unique_ptr<RTCRtpTransceiverBackend>&& backend) { return adoptRef(*new RTCRtpTransceiver(WTFMove(sender), WTFMove(receiver), WTFMove(backend))); }
virtual ~RTCRtpTransceiver() = default;
bool hasSendingDirection() const;
void enableSendingDirection();
void disableSendingDirection();
RTCRtpTransceiverDirection direction() const;
std::optional<RTCRtpTransceiverDirection> currentDirection() const;
void setDirection(RTCRtpTransceiverDirection);
String mid() const;
RTCRtpSender& sender() { return m_sender.get(); }
RTCRtpReceiver& receiver() { return m_receiver.get(); }
bool stopped() const;
ExceptionOr<void> stop();
ExceptionOr<void> setCodecPreferences(const Vector<RTCRtpCodecCapability>&);
RTCRtpTransceiverBackend* backend() { return m_backend.get(); }
void setConnection(RTCPeerConnection&);
std::optional<RTCRtpTransceiverDirection> firedDirection() const { return m_firedDirection; }
void setFiredDirection(std::optional<RTCRtpTransceiverDirection> firedDirection) { m_firedDirection = firedDirection; }
private:
RTCRtpTransceiver(Ref<RTCRtpSender>&&, Ref<RTCRtpReceiver>&&, std::unique_ptr<RTCRtpTransceiverBackend>&&);
RTCRtpTransceiverDirection m_direction;
std::optional<RTCRtpTransceiverDirection> m_firedDirection;
Ref<RTCRtpSender> m_sender;
Ref<RTCRtpReceiver> m_receiver;
bool m_stopped { false };
std::unique_ptr<RTCRtpTransceiverBackend> m_backend;
WeakPtr<RTCPeerConnection, WeakPtrImplWithEventTargetData> m_connection;
};
class RtpTransceiverSet {
public:
const Vector<RefPtr<RTCRtpTransceiver>>& list() const { return m_transceivers; }
void append(Ref<RTCRtpTransceiver>&&);
Vector<std::reference_wrapper<RTCRtpSender>> senders() const;
Vector<std::reference_wrapper<RTCRtpReceiver>> receivers() const;
private:
Vector<RefPtr<RTCRtpTransceiver>> m_transceivers;
};
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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