- From: Michael Nordman <michaeln@google.com>
- Date: Tue, 2 Aug 2011 16:46:57 -0700
On Tue, Aug 2, 2011 at 4:40 PM, Ian Hickson <ian at hixie.ch> wrote: > On Tue, 2 Aug 2011, Michael Nordman wrote: > > >> > > >> A common request that maybe we can agree upon is the ability to list > the > > >> manifests that are cached and to delete them via script. Something > > >> like... > > >> String[] window.applicationCache.getManifests(); // returns > appcache > > >> manifest for the origin > > >> void window.applicationCache.deleteManifest(manifestUrl); > > > > > > This is trivial to do already; just return 404s for all the manifests > > > you no longer want to keep around. > > > > It involves creating hidden iframes loaded with pages that refer to the > > manifests to be deleted, straightforward but gunky. > > If you actively want to seek out old manifests, sure, but what's the use > case for doing that? It would be like trying to actively evict things from > HTTP caches. > You should talk to some app developers. View source on angry birds for a use case, they are doing this to get rid of stale version tied to old manifest urls. > > > > >> 0. [DONE] A means of not invoking the fallback resource for some error > > >> responses that would generally result in the fallback resource being > > >> returned. An additional response header would suite they're needs... > > >> something like... > > >> x-chromium-appcache-fallback-override: disallow-fallback > > >> If a response header is present with that value, the fallback response > > >> would not be returned. > > >> http://code.google.com/p/chromium/issues/detail?id=82066 > > > > > > What's the use case? When would you ever want to show the user an > > > error yet really desire to indicate that it's an error and not a 200 > > > OK response? > > > > Google Docs. Instead of seeing a fallback page that erroneously says > > "You must be offline and this document is not available.", they wanted > > to show the actual error page generated by the server in the case of a > > deleted document or when the user doesn't have rights to access that > > doc. > > I don't see what's wrong with using 200 OK for that case. > > -- > Ian Hickson U+1047E )\._.,--....,'``. fL > http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. > Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.' >
Received on Tuesday, 2 August 2011 16:46:57 UTC