RTCPeerConnection+Private.h

/*

 *  Copyright 2015 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#import "RTCPeerConnection.h"

#include "api/peer_connection_interface.h"

NS_ASSUME_NONNULL_BEGIN

namespace webrtc {

/**

 * These objects are created by RTCPeerConnectionFactory to wrap an

 * id<RTCPeerConnectionDelegate> and call methods on that interface.

*/

class PeerConnectionDelegateAdapter : public PeerConnectionObserver {

 public:

  PeerConnectionDelegateAdapter(RTC_OBJC_TYPE(RTCPeerConnection) * peerConnection);

  ~PeerConnectionDelegateAdapter() override;

  void OnSignalingChange(PeerConnectionInterface::SignalingState new_state) override;

  void OnAddStream(rtc::scoped_refptr<MediaStreamInterface> stream) override;

  void OnRemoveStream(rtc::scoped_refptr<MediaStreamInterface> stream) override;

  void OnTrack(rtc::scoped_refptr<RtpTransceiverInterface> transceiver) override;

  void OnDataChannel(rtc::scoped_refptr<DataChannelInterface> data_channel) override;

  void OnRenegotiationNeeded() override;

  void OnIceConnectionChange(PeerConnectionInterface::IceConnectionState new_state) override;

  void OnStandardizedIceConnectionChange(

      PeerConnectionInterface::IceConnectionState new_state) override;

  void OnConnectionChange(PeerConnectionInterface::PeerConnectionState new_state) override;

  void OnIceGatheringChange(PeerConnectionInterface::IceGatheringState new_state) override;

  void OnIceCandidate(const IceCandidateInterface *candidate) override;

  void OnIceCandidateError(const std::string &address,

                           int port,

                           const std::string &url,

                           int error_code,

                           const std::string &error_text) override;

  void OnIceCandidatesRemoved(const std::vector<cricket::Candidate> &candidates) override;

  void OnIceSelectedCandidatePairChanged(const cricket::CandidatePairChangeEvent &event) override;

  void OnAddTrack(rtc::scoped_refptr<RtpReceiverInterface> receiver,

                  const std::vector<rtc::scoped_refptr<MediaStreamInterface>> &streams) override;

  void OnRemoveTrack(rtc::scoped_refptr<RtpReceiverInterface> receiver) override;

 private:

  __weak RTC_OBJC_TYPE(RTCPeerConnection) * peer_connection_;

};

}  // namespace webrtc

@protocol RTC_OBJC_TYPE

(RTCSSLCertificateVerifier);

@interface RTC_OBJC_TYPE (RTCPeerConnection)

()

    /** The factory used to create this RTCPeerConnection */

    @property(nonatomic, readonly) RTC_OBJC_TYPE(RTCPeerConnectionFactory) *

    factory;

/** The native PeerConnectionInterface created during construction. */

@property(nonatomic, readonly) rtc::scoped_refptr<webrtc::PeerConnectionInterface>

    nativePeerConnection;

/** Initialize an RTCPeerConnection with a configuration, constraints, and

 *  delegate.

*/

- (nullable instancetype)

        initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory

          configuration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration

            constraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints

    certificateVerifier:(nullable id<RTC_OBJC_TYPE(RTCSSLCertificateVerifier)>)certificateVerifier

               delegate:(nullable id<RTC_OBJC_TYPE(RTCPeerConnectionDelegate)>)delegate;

/** Initialize an RTCPeerConnection with a configuration, constraints,

 *  delegate and PeerConnectionDependencies.

*/

- (nullable instancetype)

    initWithDependencies:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory

           configuration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration

             constraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints

            dependencies:(std::unique_ptr<webrtc::PeerConnectionDependencies>)dependencies

                delegate:(nullable id<RTC_OBJC_TYPE(RTCPeerConnectionDelegate)>)delegate

    NS_DESIGNATED_INITIALIZER;

+ (webrtc::PeerConnectionInterface::SignalingState)nativeSignalingStateForState:

    (RTCSignalingState)state;

+ (RTCSignalingState)signalingStateForNativeState:

    (webrtc::PeerConnectionInterface::SignalingState)nativeState;

+ (NSString *)stringForSignalingState:(RTCSignalingState)state;

+ (webrtc::PeerConnectionInterface::IceConnectionState)nativeIceConnectionStateForState:

    (RTCIceConnectionState)state;

+ (webrtc::PeerConnectionInterface::PeerConnectionState)nativeConnectionStateForState:

    (RTCPeerConnectionState)state;

+ (RTCIceConnectionState)iceConnectionStateForNativeState:

    (webrtc::PeerConnectionInterface::IceConnectionState)nativeState;

+ (RTCPeerConnectionState)connectionStateForNativeState:

    (webrtc::PeerConnectionInterface::PeerConnectionState)nativeState;

+ (NSString *)stringForIceConnectionState:(RTCIceConnectionState)state;

+ (NSString *)stringForConnectionState:(RTCPeerConnectionState)state;

+ (webrtc::PeerConnectionInterface::IceGatheringState)nativeIceGatheringStateForState:

    (RTCIceGatheringState)state;

+ (RTCIceGatheringState)iceGatheringStateForNativeState:

    (webrtc::PeerConnectionInterface::IceGatheringState)nativeState;

+ (NSString *)stringForIceGatheringState:(RTCIceGatheringState)state;

+ (webrtc::PeerConnectionInterface::StatsOutputLevel)nativeStatsOutputLevelForLevel:

    (RTCStatsOutputLevel)level;

@end

NS_ASSUME_NONNULL_END