[webkit-dev] About bypassing caches for URLs listed in Fallback and/or Network section in a HTML5 Offline Web Application

[Lianghui Chen]

Sorry I forgot to mention I have reported a bug (https://bugs.webkit.org/show_bug.cgi?id=42051) for this.

-----Original Message-----
From: webkit-dev-bounces at lists.webkit.org [mailto:webkit-dev-bounces at lists.webkit.org] On Behalf Of Lianghui Chen
Sent: Tuesday, July 13, 2010 11:15 AM
To: webkit-dev at lists.webkit.org
Subject: [webkit-dev] About bypassing caches for URLs listed in Fallback and/or Network section in a HTML5 Offline Web Application

Hi, I have asked this same question in (whatwg at lists.whatwg.org), but haven't got many responses, so I want to ask here again.

In spec HTML5 for offline web application (http://www.whatwg.org/specs/web-apps/current-work/#offline) chapter 6.6.6, item 3, 4, 5 state that for resources that is in online whitelist (or has wildcard whitelist), or fallback list, it should be fetched “normally”.

I would like to know does it mean the user agent (browser) should bypass its own caches (besides html5 appcache), like the WebKit cache and browser http stack cache?

If we don't, like WebKit (and Opera) doing now, once browser starts with network connection, it won't detect network connection loss, which happened not that common for a PC but common for a mobile device. And it will effectively defeat the intention of "fallback" resources in a offline web application, as the content for a "fallback namespace" from cache will be used, instead of the content of its mapping "fallback entry".

Best Regards
Lyon Chen

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