JS accessing mojo service in Utility process

[Peter Qiu]

Hi All,

I am wondering if it is possible to have JavaScript connect/bind to an interface exposed by a mojo service running in a Utility process. And is there example code that I can follow if this is possible?

There was some discussions regarding JS accessing mojo interfaces hosted by browser process, but some of the code links seems to be out-dated.

Thanks,

Peter,

[Ken Rockot]

Depends where the JS is running. We let WebUI pages access Mojo IDL natives like Mojo.bindInterface(), which essentially lets you pass an interface request to the document's RenderFrameHost. There are then generated JS bindings which you can use to build on top of that.

The detail of how your interface request gets routed to a service process is really up to you, since JS can only send requests to the frame host. You have to plug in browser-side code to, e.g., route specific requests onward to a service.

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[Ken Rockot]

FWIW you can also access Mojo IDL natives in any document context if you run Chrome with --enable-blink-features=MojoJS

[Peter Qiu]

Ken, thanks for the info. We will look into it.

[maco...@azet.sk]

Dňa piatok, 19. októbra 2018 22:23:33 UTC+2 Peter Qiu napísal(-a):