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/*
* Copyright (C) 2016 Ericsson AB. 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 "RTCIceTransport.h"
#include "RTCRtpReceiver.h"
#include "RTCRtpSender.h"
#include "ScriptWrappable.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class RTCRtpTransceiver : public RefCounted<RTCRtpTransceiver>, public ScriptWrappable {
public:
// This enum is mirrored in RTCPeerConnection.h
enum class Direction { Sendrecv, Sendonly, Recvonly, Inactive };
static Ref<RTCRtpTransceiver> create(Ref<RTCRtpSender>&& sender, Ref<RTCRtpReceiver>&& receiver) { return adoptRef(*new RTCRtpTransceiver(WTFMove(sender), WTFMove(receiver))); }
virtual ~RTCRtpTransceiver() { }
bool hasSendingDirection() const;
void enableSendingDirection();
void disableSendingDirection();
const String& directionString() const;
Direction direction() const { return m_direction; }
void setDirection(Direction direction) { m_direction = direction; }
const String& provisionalMid() const { return m_provisionalMid; }
void setProvisionalMid(const String& provisionalMid) { m_provisionalMid = provisionalMid; }
const String& mid() const { return m_mid; }
void setMid(const String& mid) { m_mid = mid; }
RTCRtpSender& sender() { return m_sender.get(); }
RTCRtpReceiver& receiver() { return m_receiver.get(); }
bool stopped() const { return m_stopped; }
void stop() { m_stopped = true; }
// FIXME: Temporary solution to keep track of ICE states for this transceiver. Later, each
// sender and receiver will have up to two DTLS transports, which in turn will have an ICE
// transport each.
RTCIceTransport& iceTransport() { return m_iceTransport.get(); }
static String getNextMid();
private:
RTCRtpTransceiver(Ref<RTCRtpSender>&&, Ref<RTCRtpReceiver>&&);
String m_provisionalMid;
String m_mid;
Direction m_direction;
Ref<RTCRtpSender> m_sender;
Ref<RTCRtpReceiver> m_receiver;
bool m_stopped { false };
Ref<RTCIceTransport> m_iceTransport;
};
class RtpTransceiverSet {
public:
const Vector<RefPtr<RTCRtpTransceiver>>& list() const { return m_transceivers; }
void append(Ref<RTCRtpTransceiver>&&);
const Vector<std::reference_wrapper<RTCRtpSender>>& senders() const { return m_senders; }
const Vector<std::reference_wrapper<RTCRtpReceiver>>& receivers() const { return m_receivers; }
private:
Vector<RefPtr<RTCRtpTransceiver>> m_transceivers;
Vector<std::reference_wrapper<RTCRtpSender>> m_senders;
Vector<std::reference_wrapper<RTCRtpReceiver>> m_receivers;
};
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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