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Re: [ui-events] MouseEvent details

From: Simon Pieters <simonp@opera.com>
Date: Tue, 18 Jun 2013 13:40:19 +0200
Message-ID: <51C04723.6030004@opera.com>
To: Anne van Kesteren <annevk@annevk.nl>
CC: www-dom@w3.org
On 2/12/13 4:07 PM, Anne van Kesteren wrote:
> I think we need to do two things here.
> 1. Move everything from MouseEvent into the UI Events specification.
> http://dev.w3.org/csswg/cssom-view/#extensions-to-the-mouseevent-interface
> as a distinct definition does not work.
I'm happy to remove it from CSSOM View when UI Events is in sync with 
> 2. Define offsetX and offsetY as algorithms whose input is the target
> node. In particular they are not initialized like the other
> attributes, they are computed on getting. This is observable if you
> create a synthetic MouseEvent and dispatch it. (CSSOM View does not
> get this detail.)
Fixed in CSSOM View.
> Conversely, offsetX and offsetY should not appear in
> the initialization dictionary for this event.

> This matters in particular for the shadow tree case where we mutate
> the target, but do not want to mutate offsetX and offsetY as that
> would require further event-specific caching.
> The subject prefix [D4E] is suggested in the UI Events draft, but I
> think that is in error now.
> UI Events: https://dvcs.w3.org/hg/d4e/raw-file/tip/source_respec.htm

Simon Pieters
Opera Software
Received on Tuesday, 18 June 2013 11:39:08 UTC

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