PresentationRequest - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context

This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

A PresentationRequest object is used to initiate or reconnect to a presentation made by a controlling browsing context. The PresentationRequest object MUST be implemented in a controlling browsing context provided by a controlling user agent.

When a PresentationRequest is constructed, the given urls MUST be used as the list of presentation request URLs which are each a possible presentation URL for the PresentationRequest instance.

Constructor

PresentationRequest()

Creates a PresentationRequest.

Properties

None

Event handlers

PresentationRequest.onconnectionavailable

Fires on a successful call to PresentationRequest.start() or PresentationRequest.join(). This method provides a object with a reference to the created or joined object.

Methods

PresentationRequest.start()

Returns a Promise that resolves with a PresentationConnection after the user agent prompts the user to select a display and grant permission to use that display.

PresentationRequest.reconnect()

When the reconnect(presentationId) method is called on a PresentationRequest presentationRequest, the user agent MUST run the following steps to reconnect to a presentation.

PresentationRequest.getAvailability()

When the getAvailability() method is called, the user agent MUST run the steps as the link.

Specifications

Browser Compatibility

BCD tables only load in the browser