[whatwg] api for fullscreen()

[Anne van Kesteren]

On Sat, 30 Jan 2010 22:12:47 +0100, Simon Fraser <smfr at me.com> wrote:
> On Jan 29, 2010, at 9:54 PM, Robert O'Callahan wrote:
>> So how about a Window API with an optional element component:
>> void enterFullscreen(optional DOMElement element, optional boolean  
>> enableKeys);
>> void exitFullscreen();
>> boolean attribute supportsFullscreen;
>> boolean attribute displayingFullscreen;
>> "beginfullscreen" and "endfullscreen" events
>>
>> Where "beginfullscreen" and "endfullscreen" are targeted at the element  
>> if one was provided, or else at the window, and bubble. While a window  
>> is fullscreen, the root element and the designated fullscreen element,  
>> if any, are given a pseudoclass "fullscreen". Then you can have some  
>> default rules in the UA style sheet:
>> *:root:fullscreen { overflow:hidden; }
>> *:not(:root):fullscreen { position:fixed; left:0; top:0; bottom:0;  
>> right:0; }
>
> I'll go for that.
>
> Another good argument to have this API on the window object is that  
> fullscreen is effectively a state on the window. It would not make any  
> sense to go fullscreen on one element, and then fullscreen on another  
> element.
>
> Should enterFullscreen() throw an exception if already fullscreen?

To stop polluting the Window object, might it make sense to put the new  
members (other than event handler attributes) on window.screen?


-- 
Anne van Kesteren
http://annevankesteren.nl/