зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.1 KiB
Plaintext
70 строки
2.1 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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enum PresentationSessionState
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{
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// Existing presentation, and the communication channel is active.
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"connected",
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// Existing presentation, but the communication channel is inactive.
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"disconnected",
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// The presentation is nonexistent anymore. It could be terminated manually,
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// or either requesting page or presenting page is no longer available.
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"terminated"
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};
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[Pref="dom.presentation.enabled",
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CheckAnyPermissions="presentation"]
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interface PresentationSession : EventTarget {
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/*
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* Unique id for all existing sessions.
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*/
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[Constant]
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readonly attribute DOMString id;
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/*
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* Please refer to PresentationSessionStateEvent.webidl for the declaration of
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* PresentationSessionState.
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*
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* @value "connected", "disconnected", or "terminated".
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*/
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readonly attribute PresentationSessionState state;
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/*
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* It is called when session state changes. New state is dispatched with the
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* event.
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*/
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attribute EventHandler onstatechange;
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/*
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* After a communication channel has been established between the requesting
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* page and the presenting page, send() is called to send message out, and the
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* event handler "onmessage" will be invoked on the remote side.
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*
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* This function only works when state equals "connected".
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*
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* @data: String literal-only for current implementation.
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*/
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[Throws]
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void send(DOMString data);
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/*
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* It is triggered when receiving messages.
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*/
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attribute EventHandler onmessage;
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/*
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* Both the requesting page and the presenting page can close the session by
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* calling terminate(). Then, the session is destroyed and its state is
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* truned into "terminated". After getting into the state of "terminated",
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* resumeSession() is incapable of re-establishing the connection.
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*
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* This function does nothing if the state has already been "terminated".
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*/
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void close();
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};
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