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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
* Copyright (C) 2015 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 Google Inc. 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.
*/
#ifndef RTCPeerConnection_h
#define RTCPeerConnection_h
#if ENABLE(MEDIA_STREAM)
#include "ActiveDOMObject.h"
#include "Dictionary.h"
#include "EventTarget.h"
// FIXME: Workaround for bindings bug http://webkit.org/b/150121
#include "JSMediaStream.h"
#include "PeerConnectionBackend.h"
#include "RTCRtpReceiver.h"
#include "RTCRtpSender.h"
#include "ScriptWrappable.h"
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class MediaStream;
class MediaStreamTrack;
class PeerConnectionBackend;
class RTCConfiguration;
class RTCDataChannel;
class RTCIceCandidate;
class RTCPeerConnectionErrorCallback;
class RTCSessionDescription;
class RTCStatsCallback;
class RTCPeerConnection final : public RefCounted<RTCPeerConnection>, public PeerConnectionBackendClient, public RTCRtpSenderClient, public EventTargetWithInlineData, public ActiveDOMObject {
public:
static RefPtr<RTCPeerConnection> create(ScriptExecutionContext&, const Dictionary& rtcConfiguration, ExceptionCode&);
~RTCPeerConnection();
Vector<RefPtr<RTCRtpSender>> getSenders() const override { return m_senderSet; }
Vector<RefPtr<RTCRtpReceiver>> getReceivers() const { return m_receiverSet; }
RefPtr<RTCRtpSender> addTrack(RefPtr<MediaStreamTrack>&&, Vector<MediaStream*>, ExceptionCode&);
void removeTrack(RTCRtpSender*, ExceptionCode&);
void queuedCreateOffer(const Dictionary& offerOptions, PeerConnection::SessionDescriptionPromise&&);
void queuedCreateAnswer(const Dictionary& answerOptions, PeerConnection::SessionDescriptionPromise&&);
void queuedSetLocalDescription(RTCSessionDescription*, PeerConnection::VoidPromise&&);
RefPtr<RTCSessionDescription> localDescription() const;
RefPtr<RTCSessionDescription> currentLocalDescription() const;
RefPtr<RTCSessionDescription> pendingLocalDescription() const;
void queuedSetRemoteDescription(RTCSessionDescription*, PeerConnection::VoidPromise&&);
RefPtr<RTCSessionDescription> remoteDescription() const;
RefPtr<RTCSessionDescription> currentRemoteDescription() const;
RefPtr<RTCSessionDescription> pendingRemoteDescription() const;
String signalingState() const;
void queuedAddIceCandidate(RTCIceCandidate*, PeerConnection::VoidPromise&&);
String iceGatheringState() const;
String iceConnectionState() const;
RTCConfiguration* getConfiguration() const;
void setConfiguration(const Dictionary& configuration, ExceptionCode&);
void privateGetStats(MediaStreamTrack*, PeerConnection::StatsPromise&&);
void privateGetStats(PeerConnection::StatsPromise&&);
RefPtr<RTCDataChannel> createDataChannel(String label, const Dictionary& dataChannelDict, ExceptionCode&);
void close();
// EventTarget
virtual EventTargetInterface eventTargetInterface() const override { return RTCPeerConnectionEventTargetInterfaceType; }
virtual ScriptExecutionContext* scriptExecutionContext() const override { return ActiveDOMObject::scriptExecutionContext(); }
using RefCounted<RTCPeerConnection>::ref;
using RefCounted<RTCPeerConnection>::deref;
private:
RTCPeerConnection(ScriptExecutionContext&, RefPtr<RTCConfiguration>&&, ExceptionCode&);
// EventTarget implementation.
virtual void refEventTarget() override { ref(); }
virtual void derefEventTarget() override { deref(); }
// ActiveDOMObject
void stop() override;
const char* activeDOMObjectName() const override;
bool canSuspendForDocumentSuspension() const override;
// PeerConnectionBackendClient
void setSignalingState(PeerConnectionStates::SignalingState) override;
void updateIceGatheringState(PeerConnectionStates::IceGatheringState) override;
void updateIceConnectionState(PeerConnectionStates::IceConnectionState) override;
void scheduleNegotiationNeededEvent() override;
void fireEvent(Event&) override;
PeerConnectionStates::SignalingState internalSignalingState() const override { return m_signalingState; }
PeerConnectionStates::IceGatheringState internalIceGatheringState() const override { return m_iceGatheringState; }
PeerConnectionStates::IceConnectionState internalIceConnectionState() const override { return m_iceConnectionState; }
// RTCRtpSenderClient
void replaceTrack(RTCRtpSender&, MediaStreamTrack&, PeerConnection::VoidPromise&&) override;
PeerConnectionStates::SignalingState m_signalingState;
PeerConnectionStates::IceGatheringState m_iceGatheringState;
PeerConnectionStates::IceConnectionState m_iceConnectionState;
Vector<RefPtr<RTCRtpSender>> m_senderSet;
Vector<RefPtr<RTCRtpReceiver>> m_receiverSet;
Vector<RefPtr<RTCDataChannel>> m_dataChannels;
std::unique_ptr<PeerConnectionBackend> m_backend;
RefPtr<RTCConfiguration> m_configuration;
bool m_stopped;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
#endif // RTCPeerConnection_h
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