Javascript callback function with C++ embedding

[Stefan Klinger]

Hello,

i found some hints how to create javascript functions mapped to C++
function which are callable from within the browser, but none provieded
me with a solution how to actually do it.

What i want is something like a Javascript Function for this C/C++
"Callback" inside the embedding code.

void JavascriptCallback(<some string type> argument) {
}

Some Newsgroup Posts said you should use JS_DefineFunction, but i found
no way to create a header from IDL for it nor does any header in the
gecko SDK define it.

Can someone give me a bit of code how to actually do such a thing?

Thanks in regards,
Stefan

[Rémy Deslignes]

Hi,

Using gecko, you should define an XPCOM class defining a function that
you will implement within your javascrpipt code :
var callback =
{
call : function(argument)
{
...
}
}

then pass this object to your XPCOM coded object :
callbackemitter.setCallback(callback);

and call it from C++ :

void
nsCallbackEmitter::callback()
{
_callback->Call(argument);
}

Stefan Klinger a écrit :

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Remy Deslignes

Ingenieur Developement / Software Engineer

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