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Re: [FileAPI] Blob.URN?

From: Michael Nordman <michaeln@google.com>
Date: Tue, 30 Mar 2010 16:54:42 -0700
Message-ID: <m2wfa2eab051003301654i1397cbc0m389da0996f047e5b@mail.gmail.com>
To: Jonas Sicking <jonas@sicking.cc>
Cc: Darin Fisher <darin@chromium.org>, Web Applications Working Group WG <public-webapps@w3.org>, Eric Uhrhane <ericu@google.com>
Ah... the "save as" ability associated with the FileWriter API does change
the equation a bit. My main motivation for setting Content-Disposition was
to trigger the user-agents download manager when navigating to these urls
instead of trying to display them in a browser frame.


On Tue, Mar 30, 2010 at 4:32 PM, Jonas Sicking <jonas@sicking.cc> wrote:

> What's the use case for specifying the Content-Disposition mime type.
> The ones I've heard so far seems better solved using the FileWriter
> [1] API.
>
> [1] http://dev.w3.org/2009/dap/file-system/file-writer.html
>
> / Jonas
>
> On Tue, Mar 30, 2010 at 4:22 PM, Michael Nordman <michaeln@google.com>
> wrote:
> > There is more than just the mime type when dealing with the URLs.
> > There at least two content headers of interest, Content-Type
> > and Content-Disposition.
> > Whatever mechanism involved should allow for both of these content
> headers
> > to be set
> > by the web application.
> >
> > On Tue, Mar 30, 2010 at 3:07 PM, Jonas Sicking <jonas@sicking.cc> wrote:
> >>
> >> On Tue, Mar 30, 2010 at 2:57 PM, Darin Fisher <darin@chromium.org>
> wrote:
> >> > On Tue, Mar 30, 2010 at 12:22 AM, Jonas Sicking <jonas@sicking.cc>
> >> > wrote:
> >> >>
> >> >> On Tue, Mar 23, 2010 at 2:23 PM, Darin Fisher <darin@chromium.org>
> >> >> wrote:
> >> >> > Apologies if this has been discussed before, but I'm curious why
> URN
> >> >> > is
> >> >> > not
> >> >> > a property of Blob.  It seems like it would be useful to be able to
> >> >> > load
> >> >> > a
> >> >> > slice of a File.  For example, this could be used by an application
> >> >> > to
> >> >> > fetch
> >> >> > all of its subresources out of a single file.
> >> >>
> >> >> IIRC originally it was placed on File since Blobs do not have a
> >> >> content type. However I think there is general agreement that it
> >> >> should be moved to Blob.
> >> >>
> >> >> However it would be great to be able to assign a content type to a
> >> >> Blob. Possibly slice() could take a optional argument.
> >> >>
> >> >
> >> > Adding an optional parameter to slice() sounds attractive indeed.
> >> > BlobBuilder [1] should probably also have such an optional argument.
> >>
> >> Indeed!
> >>
> >> / Jonas
> >>
> >
> >
>
Received on Tuesday, 30 March 2010 23:55:12 GMT

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