W3C home > Mailing lists > Public > whatwg@whatwg.org > September 2006

[whatwg] MediaModeAbstractView and changing of media dynamically

From: Joao Eiras <joao.eiras@gmail.com>
Date: Wed, 20 Sep 2006 00:27:12 +0100
Message-ID: <op.tf5ffmvzxl3at9@dragast.mshome.net>
For me, the w3c DOM 2 stylesheets spec always had the gap, which  
MediaModeAbstractView fixes: a variable which holds the current media how  
the page is being rendered.
But there's another small gap. Some UAs (Opera for desktop only to my  
knowledge) can change the current media by displaying a webpage as  
fullscreen (projection) or enabling small screen rendering (handheld). I  
assume future versions will allow Opera to trigger tv mode, for  
development sake. Also any other browsers can change from normal rendering  
(screen) to print preview (print).

The only way for a script to keep track of this variable value, is to set  
an interval, polling the variable.
I don't consider refreshing the page as valid workaround.

So, I suggest the creation of the 'media-change' event, which will fire  
when the UA changes media, having the document as target.
The event object could be an instance of a UIEvent, and have 2 extra  
properties: newMediaMode, and oldMediaMode.
Received on Tuesday, 19 September 2006 16:27:12 UTC

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