> For network my extension will need to observe:
> 1. the http requests made by the browser when the document loads (html
> +css+script+images+objects etc)
> 2. any subsequent XHR calls.
> 3. the server responses to the above
I think you could utilize "@joehewitt.com/firebug-http-observer;1"
component. This XPCOM notifies listeners about http-on-modify-request
(request started) and http-on-modify-request (response received) (all
headers info accessible).
Here is an example:
const httpObserver = CCSV("@joehewitt.com/firebug-http-observer;1",
"nsIObserverService");
Firebug.MonitorModel.HttpMonitor = extend(Firebug.Module,
{
initializeUI: function(detachArgs)
{
// Register HTTP observer
httpObserver.addObserver(HttpObserver, "firebug-http-event",
false);
},
shutdown: function()
{
httpObserver.removeObserver(HttpObserver, "firebug-http-
event");
}
});
The "HttpObserver" should implement nsIObserver interface, where
observe method could be something like:
observe: function(subject, topic, data)
{
try
{
var request = subject.QueryInterface(Ci.nsIHttpChannel);
if (topic == "http-on-modify-request") {
// Request start
} else if (topic == "http-on-examine-response") {
// Response received
}
}
catch (err)
{
if (FBTrace.DBG_ERRORS)
FBTrace.sysout("observe EXCEPTION", err);
}
},
Honza
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