[webkit-dev] ProgressEvents for Images
dino at apple.com
Mon Jan 23 14:55:13 PST 2012
On 17/01/2012, at 10:41 AM, Bear Travis wrote:
> A group of us at Adobe has been looking into adding support for ProgressEvents
> to images. The overall goal is to simplify image download progress reporting
> by supporting roughly the same progress events as XHR and the File API for
> image elements. For example one could connect an image to a progress element
> like this:
> <img id="image" src="sample.jpg"
> Developers have taken various tacks to enable progress reporting, for example
> in some cases XHR can be used to download image files. Max Vujovic just
> published a blog about the practicalities of doing so:
> http://blogs.adobe.com/openweb/2012/01/13/html5-image-progress-events/. We
> think it would be preferable to provide support for image progress events
I think this would be extremely useful. It would require a proposal to
W3C or WHATWG though.
> We're working on a prototype implementation for WebKit and have filed a bug
> that explains what we're up to in a little more detail:
> It's probably worth pointing out that the beforeload event, which is currently
> under discussion, addresses a different use case. Our proposal is intended to
> enable applications to give the user feedback about image download progress,
> it's not intended to enable security or efficiency by preemptively blocking or
> transforming image downloads.
> We'd appreciate feedback on this proposal.
> webkit-dev mailing list
> webkit-dev at lists.webkit.org
More information about the webkit-dev