/* 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 nsIPresentationAvailabilityListener; interface nsIPresentationRespondingListener; 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(de42b741-5619-4650-b961-c2cebb572c95)] interface nsIPresentationService : nsISupports { const unsigned short ROLE_CONTROLLER = 0x1; const unsigned short ROLE_RECEIVER = 0x2; const unsigned short CLOSED_REASON_ERROR = 0x1; const unsigned short CLOSED_REASON_CLOSED = 0x2; const unsigned short CLOSED_REASON_WENTAWAY = 0x3; /* * 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 deviceId: The specified device of handling this request, null string for prompt device selection dialog. * @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. Generally it's the case the window is * located in different process from this service) * @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 DOMString deviceId, in unsigned long long windowId, in nsIPresentationServiceCallback callback); /* * Send the message to the session. * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. * @param data: the message being sent out. */ void sendSessionMessage(in DOMString sessionId, in uint8_t role, in DOMString data); /* * Close the session. * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. */ void closeSession(in DOMString sessionId, in uint8_t role, in uint8_t closedReason); /* * Terminate the session. * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. */ void terminateSession(in DOMString sessionId, in uint8_t role); /* * Reconnect the session. * * @param url: The url of presenting page. * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. * @param callback: NotifySuccess() is called when a control channel * is opened successfully. * Otherwise, NotifyError() is called with a error message. */ void reconnectSession(in DOMString url, in DOMString sessionId, in uint8_t role, in nsIPresentationServiceCallback callback); /* * Register an availability listener. Must be called from the main thread. * * @param listener: The listener to register. */ void registerAvailabilityListener(in nsIPresentationAvailabilityListener listener); /* * Unregister an availability listener. Must be called from the main thread. * @param listener: The listener to unregister. */ void unregisterAvailabilityListener(in nsIPresentationAvailabilityListener listener); /* * Register a session listener. Must be called from the main thread. * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. * @param listener: The listener to register. */ void registerSessionListener(in DOMString sessionId, in uint8_t role, in nsIPresentationSessionListener listener); /* * Unregister a session listener. Must be called from the main thread. * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. */ void unregisterSessionListener(in DOMString sessionId, in uint8_t role); /* * Register a responding listener. Must be called from the main thread. * * @param windowId: The window ID associated with the listener. * @param listener: The listener to register. */ void registerRespondingListener(in unsigned long long windowId, in nsIPresentationRespondingListener listener); /* * Unregister a responding listener. Must be called from the main thread. * @param windowId: The window ID associated with the listener. */ void unregisterRespondingListener(in unsigned long long windowId); /* * 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 unsigned long long 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. * @param isLoading true if receiver page is loading successfully. */ void notifyReceiverReady(in DOMString sessionId, in unsigned long long windowId, in boolean isLoading); /* * Notify the transport is closed * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. * @param reason: the error message. NS_OK indicates it is closed normally. */ void NotifyTransportClosed(in DOMString sessionId, in uint8_t role, in nsresult reason); /* * Untrack the relevant info about the presentation session if there's any. * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. */ void untrackSessionInfo(in DOMString sessionId, in uint8_t role); /* * The windowId for building RTCDataChannel session transport */ unsigned long long getWindowIdBySessionId(in DOMString sessionId); /* * Update the mapping of the session ID and window ID. * * @param sessionId: An ID to identify presentation session. * @param windowId: The inner window ID associated with the presentation * session. */ void updateWindowIdBySessionId(in DOMString sessionId, in unsigned long long windowId); /* * To build the session transport. * NOTE: This function should be only called at controller side. * * @param sessionId: An ID to identify presentation session. * @param role: Identify the function called by controller or receiver. */ void buildTransport(in DOMString sessionId, in uint8_t role); };