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Re: [FileAPI] Deterministic release of Blob proposal

From: Charles Pritchard <chuck@jumis.com>
Date: Wed, 07 Mar 2012 16:00:56 -0800
Message-ID: <4F57F6B8.6020109@jumis.com>
To: Feras Moussa <ferasm@microsoft.com>
CC: Arun Ranganathan <aranganathan@mozilla.com>, Adrian Bateman <adrianba@microsoft.com>, "public-webapps@w3.org" <public-webapps@w3.org>, Ian Hickson <ian@hixie.ch>, Anne van Kesteren <annevk@opera.com>
On 3/7/12 3:56 PM, Feras Moussa wrote:
>> Then let's try this again.
>> var a = new Image();
>> a.onerror = function() { console.log("Oh no, my parent was neutered!"); }; a.src = URL.createObjectURL(blob); blob.close();
>> Is that error going to hit?
> until it has been revoked, so in your example onerror would not be hit
> due to calling close.
>> var a = new Worker('#');
>> a.postMessage(blob);
>> blob.close();
> The above would work as expected.

Well that all makes sense; so speaking for myself, I'm still confused 
about this one thing:

>>  xhr.send(blob);
>>  blob.close(); // method name TBD

>  In our implementation, this case would fail. We think this is reasonable because the

So you want this to be a situation where we monitor progress events of 
XHR before releasing the blob?
It seems feasible to monitor the upload progress, but it is a little 

Received on Thursday, 8 March 2012 00:01:22 UTC

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