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Re: [FileAPI] createObjectURL isReusable proposal

From: Ian Hickson <ian@hixie.ch>
Date: Thu, 15 Dec 2011 00:55:58 +0000 (UTC)
To: Glenn Maynard <glenn@zewt.org>
cc: Adrian Bateman <adrianba@microsoft.com>, "Web Applications Working Group WG (public-webapps@w3.org)" <public-webapps@w3.org>, Feras Moussa <ferasm@microsoft.com>
Message-ID: <Pine.LNX.4.64.1112150055350.26122@ps20323.dreamhostps.com>
On Wed, 14 Dec 2011, Glenn Maynard wrote:
> 
> 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.

Browsers do keep them around for the lifetime of the page, in their HTTP 
cache.

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Thursday, 15 December 2011 00:56:29 GMT

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