Re: SpeechSynthesisCallback

Makes sense. The samples should be updated as well to match this change.

Cheers
Satish


On Fri, Oct 12, 2012 at 2:41 AM, Glen Shires <gshires@google.com> wrote:

> I propose the following change to the SpeechSynthesis IDL to use a
> callback instead of events. It doesn't change functionality, but does make
> the IDL more well-defined and conventional. (The current IDL breaks
> platform conventions, because the speak() method makes a copy of utterance,
> and thus event.target cannot be properly defined, nor can addEventListener
> be used in the conventional manner.)  The SpeechSynthesisEvent object is
> renamed SpeechSynthesisUpdate (because it is no longer an event, but rather
> a callback).  If there's no disagreement, I'll update the spec with this on
> Monday.
>
>     callback SpeechSynthesisCallback = void (SpeechSynthesisUpdate update);
>
>     interface SpeechSynthesis {
>       ...
>       static void speak(SpeechSynthesisUtterance utterance,
> SpeechSynthesisCallback callback);
>     };
>
>     interface SpeechSynthesisUpdate {
>         enum UpdateType {
>           "start",
>           "end",
>           "pause",
>           "resume",
>           "mark",
>           "boundary",
>           "error"
>         };
>         readonly attribute UpdateType type;
>         readonly attribute unsigned long charIndex;
>         readonly attribute float elapsedTime;
>         readonly attribute DOMString name;
>     };
>
> /Glen Shires
>