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Presentation API: implement PresentationConnection.on{connect,close,terminate} and deprecate onstatechange

Category

Miscellaneous

Type

New or changed feature

Status

Enabled by default (Chrome 50)

Intent stage

None

Summary

Deprecate `PresentationConnection.onstatechange` and implement explicit state transition events `onconnect`, `onclose`, `onterminate`. Implement `PresentationConnectionCloseEvent` for `onclose`. This allows us to expose a `PresentationConnectionCloseReason` for clients listening for `onclose`.

Standards & signals

• Specification: http://w3c.github.io/presentation-api/#event-handlers-1
• Firefox: No signal
• Safari: No signal
• Web developers: Positive
• Tracking bug: https://crbug.com/579360

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