[whatwg] Help with HTML5 Audio
ian at hixie.ch
Fri Aug 3 23:11:22 PDT 2007
On Sat, 23 Sep 2006, Jeff Schiller wrote:
> Do load events bubble up? If so, can I add a load even listener to the
> document and then catch the load events there always?
They do not.
> If so, how can I distinguish the target is of type Audio and not of type
> HTMLImageElement (or whatever), just look for e.target.play?
You can always look at the target attribute to determine exactly what the
> If my understanding is not correct above (and I will test this later),
> then it seems that the spec gives me no way to guarantee that I can
> attach a load event listener to the Audio object prior to the song
> loading (especially for cached sounds).
The intent is that no downloads begin until after the script has
completed, so you can always set the event handlers before they fire.
> Although this doesn't help me for Opera 9, I would like to propose that
> the Audio constructor's argument be OPTIONAL. If there is no argument,
> then the Audio object is created without any sound loaded and all
> play(), loop(), etc would just return (or return an error or throw an
> exception?). Then, add a load() method to the interface (which would
> produce a load event just as the construction with an argument would).
> This also allows me to reuse the Audio object instead of creating an
> Audio object for each different sound...
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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