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Re: [FileAPI] createObjectURL isReusable proposal

From: Glenn Maynard <glenn@zewt.org>
Date: Wed, 14 Dec 2011 19:53:49 -0500
Message-ID: <CABirCh_3D_uF12ZwOmiFh=3Wc5fFKLP77LN+3rDcVrFt-8LqzA@mail.gmail.com>
To: Ian Hickson <ian@hixie.ch>
Cc: Adrian Bateman <adrianba@microsoft.com>, "Web Applications Working Group WG (public-webapps@w3.org)" <public-webapps@w3.org>, Feras Moussa <ferasm@microsoft.com>
On Wed, Dec 14, 2011 at 7:40 PM, Ian Hickson <ian@hixie.ch> wrote:

> I think the better solution is to have implementations make keeping object
> URLs defined be very cheap, so that nobody needs to ever release them.
>

The problem isn't the cost of the URL mapping, it's the cost of keeping the
backing Blob around.  If you drag around Google Maps for a long time, and
it used object URLs to load its tile images, it'd be very bad if the
browser had to keep every tile graphic around for the lifetime of the page.

(Being able to splash Blobs to disk makes this less pressing, at least on
desktops, but the problem is still there.)

-- 
Glenn Maynard
Received on Thursday, 15 December 2011 00:54:16 GMT

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