[whatwg] File Upload Progress Event (Upload Progress)

[Olli Pettay]

XMLHttpRequest has progress events and you can send files and form data 
using it.

-Olli


On 09/20/2010 12:20 AM, Shiv Kumar wrote:
> I’d like to propose that UAs should surface an bytes transferred event
> when a form is being submitted. With so many large files being uploaded
> using browsers today and every website that allows this having had to
> implement their own upload progress indicator I think the Html 5 spec
> should support this very common need.
>
> In Flash player, the FileReference object surfaces multiple events such as
>
> Select
>
> Complete
>
> IO/Error
>
> Progress
>
> Upload Complete - makes available the response from the web server,
> which could be displayed to the end user
>
> The progress event provides bytesLoaded and bytesTotal and with this
> information one can do the following:
>
> 1. Show the user how much time before the file is uploaded completely
> (in some cases it takes them 7-8 hours to upload afile)
>
> 2. Using this information we can also calculate the rate of transfer
> (upload speed).
>
> Ideally UA should:
>
> 1. Show the upload progress along with the estimated time left and
> upload speed. If this is provided at a control the site developers can
> place this control and skin it they way they’d like to, or the statu bar
> of the browser should show this information.
>
> 2. Allow for filtering the types of files a user can select by providing
> a semicolon delimited list of file extensions such as
> “**.wmv;*.mp4;**.mov” etc.
>
> At a minimum, I think they should provide a Progress event and
> UploadCompleted event.
>
> Regards,
>
> Shiv
>
> http://exposureroom.com <http://exposureroom.com/>
>