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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 "ActiveDOMObject.h"
#include "EventTarget.h"
#include "RTCIceCandidate.h"
#include "RTCIceGatheringState.h"
#include "RTCIceTransportBackend.h"
#include "RTCIceTransportState.h"
#include "RTCPeerConnection.h"
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class RTCPeerConnection;
class RTCIceTransport : public RefCounted<RTCIceTransport>, public ActiveDOMObject, public EventTarget, public RTCIceTransportBackend::Client {
WTF_MAKE_ISO_ALLOCATED(RTCIceTransport);
public:
static Ref<RTCIceTransport> create(ScriptExecutionContext&, UniqueRef<RTCIceTransportBackend>&&, RTCPeerConnection&);
~RTCIceTransport();
RTCIceTransportState state() const { return m_transportState; }
RTCIceGatheringState gatheringState() const { return m_gatheringState; }
const RTCIceTransportBackend& backend() const { return m_backend.get(); }
RTCPeerConnection* connection() const { return m_connection.get(); }
using RefCounted<RTCIceTransport>::ref;
using RefCounted<RTCIceTransport>::deref;
struct CandidatePair {
RefPtr<RTCIceCandidate> local;
RefPtr<RTCIceCandidate> remote;
};
std::optional<CandidatePair> getSelectedCandidatePair();
private:
RTCIceTransport(ScriptExecutionContext&, UniqueRef<RTCIceTransportBackend>&&, RTCPeerConnection&);
// EventTarget
EventTargetInterface eventTargetInterface() const final { return RTCIceTransportEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
// ActiveDOMObject
void stop() final;
const char* activeDOMObjectName() const final { return "RTCIceTransport"; }
bool virtualHasPendingActivity() const final;
// RTCIceTransportBackend::Client
void onStateChanged(RTCIceTransportState) final;
void onGatheringStateChanged(RTCIceGatheringState) final;
void onSelectedCandidatePairChanged(RefPtr<RTCIceCandidate>&&, RefPtr<RTCIceCandidate>&&) final;
bool m_isStopped { false };
UniqueRef<RTCIceTransportBackend> m_backend;
WeakPtr<RTCPeerConnection, WeakPtrImplWithEventTargetData> m_connection;
RTCIceTransportState m_transportState { RTCIceTransportState::New };
RTCIceGatheringState m_gatheringState { RTCIceGatheringState::New };
std::optional<CandidatePair> m_selectedCandidatePair;
};
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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