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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/.
*
* The origin of this IDL file is
* https://w3c.github.io/presentation-api/#interface-presentationconnection
*/
enum PresentationConnectionState
{
// The initial state when a PresentationConnection is ceated.
"connecting",
// Existing presentation, and the communication channel is active.
"connected",
// Existing presentation, but the communication channel is inactive.
"closed",
// The presentation is nonexistent anymore. It could be terminated manually,
// or either controlling or receiving browsing context is no longer available.
"terminated"
};
enum PresentationConnectionBinaryType
{
"blob",
"arraybuffer"
};
[Pref="dom.presentation.enabled",
Exposed=Window]
interface PresentationConnection : EventTarget {
/*
* Unique id for all existing connections.
*/
[Constant]
readonly attribute DOMString id;
/*
* Specifies the connection's presentation URL.
*/
readonly attribute DOMString url;
/*
* @value "connected", "closed", or "terminated".
*/
readonly attribute PresentationConnectionState state;
attribute EventHandler onconnect;
attribute EventHandler onclose;
attribute EventHandler onterminate;
attribute PresentationConnectionBinaryType binaryType;
/*
* After a communication channel has been established between the controlling
* and receiving context, this function is called to send message out, and the
* event handler "onmessage" will be invoked at the remote side.
*
* This function only works when the state is "connected".
*/
[Throws]
void send(DOMString data);
[Throws]
void send(Blob data);
[Throws]
void send(ArrayBuffer data);
[Throws]
void send(ArrayBufferView data);
/*
* It is triggered when receiving messages.
*/
attribute EventHandler onmessage;
/*
* Both the controlling and receiving browsing context can close the
* connection. Then the connection state should turn into "closed".
*
* This function only works when the state is "connected" or "connecting".
*/
[Throws]
void close();
/*
* Both the controlling and receiving browsing context can terminate the
* connection. Then the connection state should turn into "terminated".
*
* This function only works when the state is not "connected".
*/
[Throws]
void terminate();
};
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