- From: Anne van Kesteren <annevk@annevk.nl>
- Date: Thu, 8 Aug 2013 14:11:09 +0100
- To: Yusuke Suzuki <yusukesuzuki@chromium.org>
- Cc: "www-dom@w3.org" <www-dom@w3.org>
On Thu, Aug 8, 2013 at 9:15 AM, Yusuke Suzuki <yusukesuzuki@chromium.org> wrote:
> We're planning to make ProgressPromise spec more detailed and implement it
> on Blink experimentally.
> ProgressPromise is planed to be used for some APIs, such as XMLHttpRequest /
> FileAPI.
>
> Please feel free to comment about this.
Mozilla has similar plans. Mostly for an <input type=file>-based
directory picker:
http://lists.w3.org/Archives/Public/public-whatwg-archive/2013Aug/0019.html
I'm planning on drafting something in http://dom.spec.whatwg.org/
based on https://github.com/slightlyoff/Promises/blob/master/ProgressFuture.idl
interface ProgressPromiseResolver : PromiseResolver {
void progress(optional any progressValue);
};
callback ProgressPromiseInit = void (ProgressPromiseResolver
resolver); // maybe reuse PromiseInit
[Constructor(ProgressPromiseInit init)]
interface ProgressPromise : Promise {
// Returns the context object
ProgressPromise progress(optional AnyCallback progressHandler);
};
The then()/catch() methods on all Promise objects would still return
an instance of Promise (not any subclass). Progress values would not
forward.
Does that match what you have in mind?
--
http://annevankesteren.nl/
Received on Thursday, 8 August 2013 13:11:36 UTC