/*
 * Copyright (C) 2012 Google 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 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(WEB_RTC)

#include "RTCIceConnectionState.h"
#include "RTCIceGatheringState.h"
#include "RTCSignalingState.h"
#include <wtf/RefPtr.h>

namespace WebCore {

class MediaStreamPrivate;
class RTCDataChannelHandler;
class RTCIceCandidateDescriptor;

class RTCPeerConnectionHandlerClient {
public:
    virtual ~RTCPeerConnectionHandlerClient() = default;

    virtual void negotiationNeeded() = 0;
    virtual void didGenerateIceCandidate(RefPtr<RTCIceCandidateDescriptor>&&) = 0;
    virtual void didChangeSignalingState(RTCSignalingState) = 0;
    virtual void didChangeIceGatheringState(RTCIceGatheringState) = 0;
    virtual void didChangeIceConnectionState(RTCIceConnectionState) = 0;
    virtual void didAddRemoteStream(RefPtr<MediaStreamPrivate>&&) = 0;
    virtual void didRemoveRemoteStream(MediaStreamPrivate*) = 0;
    virtual void didAddRemoteDataChannel(std::unique_ptr<RTCDataChannelHandler>) = 0;
};

} // namespace WebCore

#endif // ENABLE(WEB_RTC)