[webkit-dev] Blob scheme implementation

[Jian Li]

On Tue, Sep 14, 2010 at 6:02 PM, Adam Barth <abarth at webkit.org> wrote:

> On Tue, Sep 14, 2010 at 5:56 PM, David Levin <levin at chromium.org> wrote:
> > On Tue, Sep 14, 2010 at 5:42 PM, Adam Barth <abarth at webkit.org> wrote:
> >> What do you think of the idea of having a re-useable BlobCore module
> >> that all the ports can share?
> >
> > I don't think this is a good idea. This "re-usable module" would only be
> > used by the Safari WebKit port. As I understand it, Chromium wouldn't be
> > able to re-use it due to not re-using WebKit types in general. With only
> one
> > port using it, the module seems like it would not be able to have a good
> > design.
> >
> > So if there is a change, it seems better to just write it for the Safari
> > WebKit port and as other ports want to implement it, if they find
> > commonality, it would be in their best interest to refractor the existing
> > code for better re-use.
>
> Would Chromium be able to re-use the code if it were part of WebCore?
> I guess I don't understand what's different about those two cases.
>

No. As David said, one reason is to avoid incurring the unnecessary cost of
converting between WebCore type data and Chromium type data.

>
> Another question, does this design allow blob URLs to be used by the
> <video> element?  My understanding is that <video> bypasses
> ResourceHandle because ResourceHandle isn't smart enough to handle
> range requests (or something like that).
>
> Unfortunately it does not work for video elements since they're loaded in
different code path.


> Adam
>
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