[webkit-dev] XHR responseArrayBuffer attribute

[Chris Marrin]

On Sep 27, 2010, at 6:37 PM, Maciej Stachowiak wrote:

> 
> On Sep 27, 2010, at 3:19 PM, Michael Nordman wrote:
> 
>> Webkit's XHR currently does not keep two copies of the data that I can see. I think we should avoid that.
> 
> We could keep the raw data around, which hopefully is directly usable as an ArrayBuffer backing store, and only translate it to text format when/if the client requests responseText. 

Yes, the raw data should be usable without translation in an ArrayBuffer. But we'd still need to make a copy of the raw bits when a new ArrayBuffer is created via responseArrayBuffer(), because that object is mutable.

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~Chris
cmarrin at apple.com