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" > onloadstart="showProgressBar()" > onprogress="updateProgressBar(event)" > onloadend="hideProgressBar()"/> > > 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 > directly.
I think this would be extremely useful. It would require a proposal to W3C or WHATWG though. Dean > > 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: > https://bugs.webkit.org/show_bug.cgi?id=76102 > > 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@lists.webkit.org > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev _______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev