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Re: Fwd: Re: [cssom-view] Is there a need for a plural form of document.caretPositionFromPoint()?

From: Simon Pieters <simonp@opera.com>
Date: Wed, 26 Jun 2013 00:37:19 +0200
To: "www-style@w3.org" <www-style@w3.org>, "Scott Johnson" <sjohnson@mozilla.com>
Message-ID: <op.wy9aghl6idj3kv@simons-macbook-pro.local>
On Tue, 25 Jun 2013 20:11:12 +0200, Scott Johnson <sjohnson@mozilla.com>  

> Yes, I have a use case.
> mozilla mobile currently uses caretPositionFromPoint for reflow-on-zoom.
> We pull the caret position so that a double tap in a large paragraph can
> scroll to the exact area where the user double-tapped, after reflow (as
> the actual text position may change after reflowing).
> The problem is that if we have a double-tap event occur where there is
> some type of overlaying or covering element, we get into a problem where
> the caretPositionFromPoint returns a caret position within the overlaid
> element. It's possible this is what we want, but it would be nice if we
> could access ALL of the elements' caret positions, and then choose
> easily from these.

It seems to me like this zooming is a feature of the browser rather than  
something that an author would implement in a Web page/app. Is that right?

Simon Pieters
Opera Software
Received on Tuesday, 25 June 2013 22:35:37 UTC

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