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RE: Lifetime of Blob URL

From: Adrian Bateman <adrianba@microsoft.com>
Date: Mon, 12 Jul 2010 16:54:22 +0000
To: David Levin <levin@google.com>
CC: "arun@mozilla.com" <arun@mozilla.com>, Web Applications Working Group WG <public-webapps@w3.org>
Message-ID: <104E6B5B6535E849970CDFBB1C5216EB2F2E5E3C@TK5EX14MBXC140.redmond.corp.microsoft.com>
On Monday, July 12, 2010 9:32 AM, David Levin wrote:
> On Mon, Jul 12, 2010 at 8:39 AM, Adrian Bateman <adrianba@microsoft.com>
> wrote:
> The behaviour would have to be explicitly specified and not left to depend on
> indeterminate browser implementations.
> 
> Yes. Unfortunately, another way of saying that "the url lives as long as the
> Blob lives" is "the url lives until the Blob is garbage collected". This
> exposes a very indeterminate behavior.

Exactly. So what I'm saying is the spec needs to say more than just that. It needs to make further guarantees.

> http://lists.w3.org/Archives/Public/public-device-apis/2010Jul/0000.html
> See point #5 basically once a load has started for a url, that
> load should succeed and revoke may be called.

I read point #5 to be only about surviving the start of a navigation. As a web developer, how can I tell when a load has started for an <img>? Isn't this similarly indeterminate.

Regards,

Adrian.
Received on Monday, 12 July 2010 16:56:18 GMT

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