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Re: Question about implementing DataTransfer.addElement

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Fri, 7 Oct 2011 15:20:08 -0700
Message-ID: <CAAWBYDA5b-9ArSnhkO3PKdc3LZU9uihC9MNLCErw1MGRJSRZPg@mail.gmail.com>
To: Daniel Cheng <dcheng@chromium.org>
Cc: James Robinson <jamesr@google.com>, public-webapps <public-webapps@w3.org>
On Fri, Oct 7, 2011 at 3:18 PM, Daniel Cheng <dcheng@chromium.org> wrote:
> The way drag images work today is we take a snapshot and then hand it off to
> the system. To support addElement(), we'd need:
> 1. Some way to detect when that element has changed in visual appearance so
> we can update the drag image.
> 2. Some way to actually update the drag image in the middle of a drag. This
> is (as far as I'm aware) impossible with the documented interface for
> Windows DnD, and I'm not aware of an undocumented way to do it either.
> I'm more concerned about the latter, and while I don't believe it's
> impossible to solve, I think it would be difficult to make performant in
> case of things like video or other embedded content.

Ah, I wasn't aware that we simply handed the image off to the system
and let it handle the drag.  Ignore my message, then.

~TJ
Received on Friday, 7 October 2011 22:20:59 GMT

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