gecko-dev/dom/presentation/interfaces/nsIPresentationControlChann...

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIArray;
interface nsIInputStream;
[scriptable, uuid(ae318e05-2a4e-4f85-95c0-e8b191ad812c)]
interface nsIPresentationChannelDescription: nsISupports
{
const unsigned short TYPE_TCP = 1;
const unsigned short TYPE_DATACHANNEL = 2;
// Type of transport channel.
readonly attribute uint8_t type;
// Addresses for TCP channel (as a list of nsISupportsCString).
// Should only be used while type == TYPE_TCP.
readonly attribute nsIArray tcpAddress;
// Port number for TCP channel.
// Should only be used while type == TYPE_TCP.
readonly attribute uint16_t tcpPort;
// SDP for Data Channel.
// Should only be used while type == TYPE_DATACHANNEL.
readonly attribute DOMString dataChannelSDP;
};
/*
* The callbacks for events on control channel.
*/
[scriptable, uuid(d0cdc638-a9d5-4bcd-838c-3aed7c3f2a6b)]
interface nsIPresentationControlChannelListener: nsISupports
{
/*
* Callback for receiving offer from remote endpoint.
* @param offer The received offer.
*/
void onOffer(in nsIPresentationChannelDescription offer);
/*
* Callback for receiving answer from remote endpoint.
* @param answer The received answer.
*/
void onAnswer(in nsIPresentationChannelDescription answer);
/*
* The callback for notifying channel opened.
*/
void notifyOpened();
/*
* The callback for notifying channel closed.
* @param reason The reason of channel close, NS_OK represents normal close.
*/
void notifyClosed(in nsresult reason);
};
/*
* The control channel for establishing RTCPeerConnection for a presentation
* session. SDP Offer/Answer will be exchanged through this interface.
*/
[scriptable, uuid(2c8ec493-4e5b-4df7-bedc-7ab25af323f0)]
interface nsIPresentationControlChannel: nsISupports
{
// The listener for handling events of this control channel.
// All the events should be pending until listener is assigned.
attribute nsIPresentationControlChannelListener listener;
/*
* Send offer to remote endpiont. |onOffer| should be invoked
* on remote endpoint.
* @param offer The offer to send.
* @throws NS_ERROR_FAILURE on failure
*/
void sendOffer(in nsIPresentationChannelDescription offer);
/*
* Send answer to remote endpiont. |onAnswer| should
* be invoked on remote endpoint.
* @param answer The answer to send.
* @throws NS_ERROR_FAILURE on failure
*/
void sendAnswer(in nsIPresentationChannelDescription answer);
/*
* Notify the app-to-app connection is fully established. (Only used at the
* receiver side.)
*/
void sendReceiverReady();
/*
* Close the transport channel.
* @param reason The reason of channel close; NS_OK represents normal.
*/
void close(in nsresult reason);
};