New Promise Constructor

2013-09-11 Thread Andrea Marchesini 
Hi all,

I just want to inform that I'm landing a patch that changes the DOM Promise 
constructor.
DOM Promise is disabled by pref but I know that there are a few existing pieces 
of code that already use them.

The old constructor was based the PromiseResolver object.
Now we get rid of this object and the new constructor works in this way:

callback PromiseInit = void (object resolve, object reject);
[Constructor(PromiseInit init)]
interface Promise {...}

Best Regards,
Andrea


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Re: New Promise Constructor

2013-09-11 Thread Boris Zbarsky 

On 9/11/13 2:13 PM, Marcos Caceres wrote:

callback PromiseInit = void (object resolve, object reject);
[Constructor(PromiseInit init)]
interface Promise {...}



What members does PromiseInit dictionary have? ^_^


It's not a dictionary.  It's a callback, like the IDL snippet above says.

So you'd do it like so in practice:

  var p = new Promise(function(resolve, reject) {
// do stuff here.
  });

-Boris
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Re: New Promise Constructor

2013-09-11 Thread Marcos Caceres 


On 11/09/2013, at 6:11 PM, Andrea Marchesini amarches...@mozilla.com wrote:

 Hi all,
 
 I just want to inform that I'm landing a patch that changes the DOM Promise 
 constructor.
 DOM Promise is disabled by pref but I know that there are a few existing 
 pieces of code that already use them.
 
 The old constructor was based the PromiseResolver object.
 Now we get rid of this object and the new constructor works in this way:
 
 callback PromiseInit = void (object resolve, object reject);
 [Constructor(PromiseInit init)]
 interface Promise {...}
 

What members does PromiseInit dictionary have? ^_^




 Best Regards,
 Andrea
 
 
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Re: New Promise Constructor

2013-09-11 Thread Marcos Caceres 


On 11/09/2013, at 8:18 PM, Boris Zbarsky bzbar...@mit.edu wrote:

 On 9/11/13 2:13 PM, Marcos Caceres wrote:
 callback PromiseInit = void (object resolve, object reject);
 [Constructor(PromiseInit init)]
 interface Promise {...}
 
 What members does PromiseInit dictionary have? ^_^
 
 It's not a dictionary.  It's a callback, like the IDL snippet above says.
 
 So you'd do it like so in practice:
 
  var p = new Promise(function(resolve, reject) {
// do stuff here.
  });

Ah, right! got confused as almost everything else in the platform with *Init is 
a dictionary. Maybe that should be renamed PromiseCallback. 

 
 -Boris
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