- From: Elad Alon via GitHub <sysbot+gh@w3.org>
- Date: Tue, 16 May 2023 11:57:19 +0000
- To: public-webrtc-logs@w3.org
eladalon1983 has just created a new issue for https://github.com/w3c/mediacapture-screen-share:
== Proposal: Make CaptureController inherit from EventTarget ==
The [Screen-Capture Mouse Events](https://github.com/screen-share/mouse-events) spec is being prototyped in Chromium by @fred-wang, me, and others. An explanation of what it does is available in its [explainer](https://github.com/screen-share/mouse-events#readme). The issue we're running into is this:
```webidl
partial interface CaptureController {
attribute EventHandler oncapturedmousechange;
};
```
We'd like [CaptureController](https://www.w3.org/TR/screen-capture/#dom-capturecontroller) to be an [EventTarget](https://dom.spec.whatwg.org/#eventtarget), but that can't be added with partial interfaces, as per [this spec](https://webidl.spec.whatwg.org/#dfn-partial-interface):
> Note: A partial interface definition cannot specify that the interface [inherits](https://webidl.spec.whatwg.org/#dfn-inherit) from another [interface](https://webidl.spec.whatwg.org/#dfn-interface). Inheritance is to be specified on the original interface definition.
It would be helpful if we specified `CaptureController` as inheriting from `EventTarget` right here in the Screen Capture spec. This will help people draft specs that extend CaptureController in useful ways, allowing it to grow beyond its current limited purpose of only supporting [setFocusBehavior()](https://www.w3.org/TR/screen-capture/#dom-capturecontroller-setfocusbehavior).
Please view or discuss this issue at https://github.com/w3c/mediacapture-screen-share/issues/268 using your GitHub account
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Received on Tuesday, 16 May 2023 11:57:21 UTC