third_party/blink/public/platform/web_rtc_peer_connection_handler_client.h

/*
 * Copyright (C) 2012 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * 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,
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 */

#ifndef THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_PEER_CONNECTION_HANDLER_CLIENT_H_
#define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_PEER_CONNECTION_HANDLER_CLIENT_H_

#include <memory>
#include <vector>

#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/platform/web_common.h"
#include "third_party/webrtc/api/peer_connection_interface.h"
#include "third_party/webrtc/api/sctp_transport_interface.h"

namespace blink {

class WebRTCICECandidate;
class WebRTCRtpReceiver;
class WebRTCRtpTransceiver;

struct BLINK_PLATFORM_EXPORT WebRTCSctpTransportSnapshot {
  rtc::scoped_refptr<webrtc::SctpTransportInterface> transport;
  webrtc::SctpTransportInformation sctp_transport_state =
      webrtc::SctpTransportInformation(webrtc::SctpTransportState::kNew);
  webrtc::DtlsTransportInformation dtls_transport_state =
      webrtc::DtlsTransportInformation(webrtc::DtlsTransportState::kNew);
};

class BLINK_PLATFORM_EXPORT WebRTCPeerConnectionHandlerClient {
 public:
  virtual ~WebRTCPeerConnectionHandlerClient();

  virtual void NegotiationNeeded() = 0;
  virtual void DidGenerateICECandidate(scoped_refptr<WebRTCICECandidate>) = 0;
  virtual void DidChangeSignalingState(
      webrtc::PeerConnectionInterface::SignalingState) = 0;
  virtual void DidChangeIceGatheringState(
      webrtc::PeerConnectionInterface::IceGatheringState) = 0;
  virtual void DidChangeIceConnectionState(
      webrtc::PeerConnectionInterface::IceConnectionState) = 0;
  virtual void DidChangePeerConnectionState(
      webrtc::PeerConnectionInterface::PeerConnectionState) {}
  virtual void DidAddReceiverPlanB(std::unique_ptr<WebRTCRtpReceiver>) = 0;
  virtual void DidRemoveReceiverPlanB(std::unique_ptr<WebRTCRtpReceiver>) = 0;
  virtual void DidModifyTransceivers(
      std::vector<std::unique_ptr<WebRTCRtpTransceiver>>,
      bool is_remote_description) = 0;
  virtual void DidModifySctpTransport(WebRTCSctpTransportSnapshot) = 0;
  virtual void DidAddRemoteDataChannel(
      scoped_refptr<webrtc::DataChannelInterface>) = 0;
  virtual void DidNoteInterestingUsage(int usage_pattern) = 0;
  virtual void ReleasePeerConnectionHandler() = 0;
  virtual void ClosePeerConnection();
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_PEER_CONNECTION_HANDLER_CLIENT_H_