Hi all,
This is driving me nuts, so I'd appreciate any thoughts on this.
I am trying set an nsIProgressEventSink for an XMLHttpRequest's channel, but the sink never fires. I can see the notificationCallback requesting the nsIProgressEventSink interface but that's as far as it gets.
// ---------------
var nsIProgressEventSink = {
onProgress: function(request, context, progress, progressMax) {
dump( "\nProgress: " +progress );
},
onStatus: function(request, context, status, statusArg) {
dump( "\nStatus: " +status );
},
QueryInterface: function(iid) {
if ( iid.equals( Components.interfaces.nsIProgressEventSink ) ||
iid.equals( Components.interfaces.nsISupports ) )
return this;
Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
return null;
}
};var nsIRequestor = {
eventSink: nsIProgressEventSink,
getInterface: function(iid) {
if (iid.equals(Components.interfaces.nsIProgressEventSink))
return this.eventSink;
}
};var httpRequest = Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"].createInstance(); httpRequest.QueryInterface(Components.interfaces.nsIXMLHttpRequest);
httpRequest.open("POST", "http://host.domain.com/path";);httpRequest.channel.notificationCallbacks = nsIRequestor; httpRequest.send(data);
// ---------------
LXR says: "The channel will begin passing notifications to the progress event sink after its 'asyncOpen' method has been called."
I am assuming that as I don't own the nsIChannel that it gets called for me??
Bug #261083 on nsIChannel callbacks says is't fixed, so I am assuming it isn't that.
Cheers,
Neil
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