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Re: Projection media type in fullscreen browser mode

From: Rijk van Geijtenbeek <rijk@opera.com>
Date: Wed, 19 Aug 2009 17:56:13 +0200
To: "WWW Style" <www-style@w3.org>
Message-ID: <op.uyw2jznvicz8n2@desktop-01.lan>
Op Wed, 19 Aug 2009 17:24:08 +0200 schreef Giuseppe Bilotta  
<giuseppe.bilotta@gmail.com>:

> On Wed, Aug 19, 2009 at 4:04 PM, Rijk van Geijtenbeek<rijk@opera.com>  
> wrote:
>> Op Tue, 18 Aug 2009 22:55:39 +0200 schreef Aryeh Gregor
>> <Simetrical+w3c@gmail.com>:
>>
>>>
>>> (Do older versions of Opera not use screen stylesheets at all in
>>> full-screen mode?  Some of the discussions I've found suggest that.
>>> That would explain how (1) came about in the first place.)
>>
>> Yes. Up until Opera 8.54, going full screen meant losing the 'screen'  
>> media styling in Opera. So Opera-conscious developers would have used  
>> either no media, or 'all', or 'screen,projection'. Since 9.0, that is  
>> not happening anymore, and Opera treats full screen as 'screen' when no  
>> 'projection' styles are used.
>
> Would it be possible (and does it make sense) to use both screen and
> projection in this case?

What case?

> (With projection entries taking precedence
> over screen, of course)?

The spec says that media types are mutually exclusive:

"Media types are mutually exclusive in the sense that a user agent can  
only support one media type when rendering a document."

I don't think it is feasible to change that. You can use  
media="screen,projection" for a stylesheet with general styles, once you  
start catering for the projection case. Or just leave it at 'all' or not  
specified, for the stylesheet with general styles.

-- 
                                                      Rijk van Geijtenbeek
                                    Opera Software ASA, Documentation & QA
                                     Tweak: http://my.opera.com/Rijk/blog/

"The most common way to get usability wrong is to listen to what users
say rather than actually watching what they do." - J.Nielsen
Received on Wednesday, 19 August 2009 15:56:57 GMT

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