gecko-dev/dom/presentation/interfaces/nsIPresentationService.idl

128 строки
4.1 KiB
Plaintext

/* 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 nsIInputStream;
interface nsIPresentationListener;
interface nsIPresentationSessionListener;
%{C++
#define PRESENTATION_SERVICE_CID \
{ 0x1d9bb10c, 0xc0ab, 0x4fe8, \
{ 0x9e, 0x4f, 0x40, 0x58, 0xb8, 0x51, 0x98, 0x32 } }
#define PRESENTATION_SERVICE_CONTRACTID \
"@mozilla.org/presentation/presentationservice;1"
%}
[scriptable, uuid(12073206-0065-4b10-9488-a6eb9b23e65b)]
interface nsIPresentationServiceCallback : nsISupports
{
/*
* Called when the operation succeeds.
*/
void notifySuccess();
/*
* Called when the operation fails.
*
* @param error: error message.
*/
void notifyError(in nsresult error);
};
[scriptable, uuid(731af98a-2760-4e7f-bb59-c7cf6665f26f)]
interface nsIPresentationService : nsISupports
{
/*
* Start a new presentation session and display a prompt box which asks users
* to select a device.
*
* @param url: The url of presenting page.
* @param sessionId: An ID to identify presentation session.
* @param origin: The url of requesting page.
* @param callback: Invoke the callback when the operation is completed.
* NotifySuccess() is called with |id| if a session is
* established successfully with the selected device.
* Otherwise, NotifyError() is called with a error message.
*/
void startSession(in DOMString url,
in DOMString sessionId,
in DOMString origin,
in nsIPresentationServiceCallback callback);
/*
* Send the message wrapped with an input stream to the session.
*
* @param sessionId: An ID to identify presentation session.
* @param stream: The message is converted to an input stream.
*/
void sendSessionMessage(in DOMString sessionId,
in nsIInputStream stream);
/*
* Terminate the session.
*
* @param sessionId: An ID to identify presentation session.
*/
void terminate(in DOMString sessionId);
/*
* Register a listener. Must be called from the main thread.
*
* @param listener: The listener to register.
*/
void registerListener(in nsIPresentationListener listener);
/*
* Unregister a listener. Must be called from the main thread.
* @param listener: The listener to unregister.
*/
void unregisterListener(in nsIPresentationListener listener);
/*
* Register a session listener. Must be called from the main thread.
*
* @param sessionId: An ID to identify presentation session.
* @param listener: The listener to register.
*/
void registerSessionListener(in DOMString sessionId,
in nsIPresentationSessionListener listener);
/*
* Unregister a session listener. Must be called from the main thread.
*
* @param sessionId: An ID to identify presentation session.
*/
void unregisterSessionListener(in DOMString sessionId);
/*
* Check if the presentation instance has an existent session ID at launch.
* An empty string is always returned at sender side. Whereas at receiver side
* the associated session ID is returned if the window ID and URI are matched;
* otherwise an empty string is returned.
*
* @param windowId: The inner window ID used to look up the session ID.
*/
DOMString getExistentSessionIdAtLaunch(in uint64_t windowId);
/*
* Notify the receiver page is ready for presentation use.
*
* @param sessionId: An ID to identify presentation session.
* @param windowId: The inner window ID associated with the presentation
* session. (0 implies no window ID since no actual window
* uses 0 as its ID.)
*/
void notifyReceiverReady(in DOMString sessionId,
[optional] in uint64_t windowId);
/*
* Untrack the relevant info about the presentation session if there's any.
*
* @param sessionId: An ID to identify presentation session.
*/
void untrackSessionInfo(in DOMString sessionId);
};