[whatwg] api for fullscreen()

Maciej Stachowiak mjs at apple.com
Tue Dec 22 14:39:04 PST 2009

On Dec 17, 2009, at 1:52 AM, Simon Pieters wrote:

> On Thu, 17 Dec 2009 10:30:26 +0100, Maciej Stachowiak  
> <mjs at apple.com> wrote:
>> Some of us at Apple have discussed fullscreen APIs, and we think a  
>> user gesture requirement plus clear indication of what has happened  
>> is likely sufficient.
>> As to the API itself: we tentatively think a good API would be to  
>> make a specific *element* go full screen, rather than the whole Web  
>> page. Some use cases for fullscreen will indeed want to transition  
>> the whole page, for example, let's say a Web-based editor wants to  
>> provide a distraction-free fullscreen mode like WriteRoom. However,  
>> it seems like many common use cases will benefit most from taking  
>> only part of the page full-screen, for example video or games,  
>> where it's common for the original content to only be a small box  
>> in the page.
>> Now, content could just manually hide the parts of the page in  
>> response to an event. Or you could provide a special media type or  
>> pseudo-class to use CSS to hide the unwanted content.
> In Opera, @media projection targets full-screen mode. It's possible  
> though that a page would want different styles when the whole page  
> is in full screen and when an element is in full screen.

A page may also have multiple elements that could potentially be the  
focus when going full screen (for instance if it has multiple embedded  
videos) so it can't just use a single @media rule to hide all other  

  - Maciej

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