Dear WebApps WG, CSS WG,

(CC: CSS WG due to the potential relevance of the topic to CSS Media Queries 
specification [1]).

Following the recent discussion in WebApps WG about the below proposal, I have 
the following further points:

1. The ViewModes specification would be preserved as the member of the "Widgets 
1.0: family of specifications" ([2] or [3])

2. The "new" specification could be titled "Media Queries: API & Events", it 
would not be a member of the "Widgets 1.0: family of specification" and would 
probably have to be thoroughly consulted with the CSS WG.

Thanks.

Kind regards,
Marcin

[1] http://www.w3.org/TR/css3-mediaqueries/
[2] http://www.w3.org/TR/widgets/#widgets-1.0-family-of-specifications
[3] http://www.w3.org/TR/widgets-apis/#widgets-1.0-family-of-specifications


Marcin Hanclik
ACCESS Systems Germany GmbH
Tel: +49-208-8290-6452  |  Fax: +49-208-8290-6465
Mobile: +49-163-8290-646
E-Mail: [email protected]

-----Original Message-----
From: [email protected] [mailto:[email protected]] On 
Behalf Of Marcin Hanclik
Sent: Thursday, August 20, 2009 1:55 PM
To: [email protected]
Subject: [ViewModes] Proposal: split the specification, add new events

Hi All,

Attached you can find the summary of the media features, as specified in [1] 
and [2].

Within this mail I would like to raise/discuss two points:

a) architecturally inconsistent handling of media features and their related 
APIs/events per spec

b) propose new events


Ad a)

There seems to be architectural inconsistency regarding what is specified where.
The basic media features are listed in [1], additional "view-mode" media 
feature is specified in [2], and the APIs/events related to all of those media 
features are to be specified in [2].
I think we could fix it before it is too late.

My proposal is:

1. Let [2] specify only "view-mode" media feature.

2. Move the scripting interfaces from [2] to some new spec.

3. I could prepare the split.


Ad b)

As listed in the attached document the orientation and aspect-ratio media 
features do not depend on the device and may change dynamically. So I would 
like to propose the following:

1. Add OrientationChangeEvent

2. Add AspectRatioChangeEvent

If the split of the specification would be (widely) accepted, these additions 
would go to the new spec (titled e.g. "Media Queries: API & Events", as 
originally proposed).

Please let me know what you think.

Thanks.

Kind regards,
Marcin

[1] http://www.w3.org/TR/css3-mediaqueries/
[2] http://dev.w3.org/2006/waf/widgets-vm/Overview.src.html


Marcin Hanclik
ACCESS Systems Germany GmbH
Tel: +49-208-8290-6452  |  Fax: +49-208-8290-6465
Mobile: +49-163-8290-646
E-Mail: [email protected]


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________________________________________

Access Systems Germany GmbH
Essener Strasse 5  |  D-46047 Oberhausen
HRB 13548 Amtsgericht Duisburg
Geschaeftsfuehrer: Michel Piquemal, Tomonori Watanabe, Yusuke Kanda

www.access-company.com

CONFIDENTIALITY NOTICE
This e-mail and any attachments hereto may contain information that is 
privileged or confidential, and is intended for use only by the
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If you have received this document in error, please notify us promptly by 
responding to this e-mail. Thank you.
media feature specified in value applies to media types accepts min/max prefixes DEVICE CONSTRAINT change handled by ViewModes Event consistent? comments
width MediaQueries <length> visual, tactile yes no yes ResolutionChangeEvent yes  
height MediaQueries <length> visual, tactile yes no yes ResolutionChangeEvent yes  
device-width MediaQueries <length> visual, tactile yes yes n/a n/a yes  
device-height MediaQueries <length> visual, tactile yes yes n/a n/a yes  
orientation MediaQueries portrait | landscape bitmap no no no ?? NO  
aspect-ratio MediaQueries <ratio> bitmap yes no no ?? NO change of aspect ratio may be detected by the ResolutionChangeEvent
device-aspect-ratio MediaQueries <ratio> bitmap yes yes n/a n/a yes  
color MediaQueries <integer> visual yes yes n/a n/a yes  
color-index MediaQueries <integer> visual yes yes n/a n/a yes  
monochrome MediaQueries <integer> visual yes yes n/a n/a yes  
resolution MediaQueries <resolution> bitmap yes yes n/a n/a yes  
scan MediaQueries progressive | interface "tv" no yes n/a n/a yes  
grid MediaQueries <integer> visual, tactile no yes n/a n/a yes  
view-mode View Modes application | floating | fullscreen | mini bitmap no no yes ViewModeChangeEvent yes  

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