[feat] webhid API

[HaoboGu]

Describe the problem

Electron has APIs for device accessing, like webhid/webusb/webserial. I cannot find any equivalent in tauri. Electron also provides a way to skip the popup to grant access of the device.

reference: https://www.electronjs.org/docs/latest/tutorial/devices#webhid-api

Describe the solution you'd like

Add same APIs

Alternatives considered

No response

Additional context

No response

[k26pl]

These are chromium-only apis, and are not supported on other webwiev engines which are used by tauri. A possible workaround would be using rust usb library.

[HigherOrderLogic]

Hi, I'm also interest in getting this feature implemented.

Can't it be guarded behind some kind if feature flag, and exit the build process if the webview engine isn't supported?

[kingraphaii]

+1

@k26pl when you say:

These are chromium-only apis, and are not supported on other webwiev engines which are used by tauri. A possible workaround would be using rust usb library.

Is there another way of doing this if the HID isn't USD connected? Like for example an integrated laser scanner.

[Jaquinei]

The hid object is exposed by the navigator object in the Tauri WebView.

Is HID support already available in the latest WebView2 version in Tauri on Windows?

[FabianLars]

yes, and probably always was since the windows webview is based on chromium. this issue really is about the other platforms, that just wasn't specified.

[Jaquinei]

yes, and probably always was since the windows webview is based on chromium. this issue really is about the other platforms, that just wasn't specified.

Thanks for the information.
I’d just like to double-check: on Windows, WebView2 (which is Chromium-based) does not have any unexpected restrictions regarding the WebHID API, correct?
On macOS, WebHID is not supported in WKWebView, as Apple has chosen not to implement the WebHID API in either Safari or their WebView component.

[FabianLars]

I’d just like to double-check: on Windows, WebView2 (which is Chromium-based) does not have any unexpected restrictions regarding the WebHID API, correct?

I'm not aware of any restrictions compared to any other chromium based browser.

On macOS, WebHID is not supported in WKWebView, as Apple has chosen not to implement the WebHID API in either Safari or their WebView component.

Yep, same for Firefox btw https://mozilla.github.io/standards-positions/#webhid