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Re: [Canvas] proposal for supportsContext

From: Robin Berjon <robin@w3.org>
Date: Tue, 11 Sep 2012 10:40:32 +0200
Message-ID: <504EF900.6000801@w3.org>
To: Dean Jackson <dino@apple.com>
CC: public-html@w3.org
Hi Dean,

On 10/09/2012 20:11 , Dean Jackson wrote:
> I propose adding a new method to HTMLCanvasElement:
>
> interface HTMLCanvasElement : HTMLElement {
>    boolean supportsContext(DOMString contextId, any... arguments);
> };
>
> supportsContext takes the same parameters as getContext, and simply returns
> true if the corresponding call to getContext would have returned a valid
> context, false otherwise.

I like it. My only concern is about why this would work when 
hasFeature() failed so miserably. I guess that it covers a sufficiently 
limited set that it will be done right.

-- 
Robin Berjon - http://berjon.com/ - @robinberjon
Received on Tuesday, 11 September 2012 08:40:36 GMT

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