Well what I meant by doesnt work is it would compile without any
errors. but when I pulled up the test page thats using my plugin, its
as if the plugin wasnt even installed. calls to it wouldnt work. etc.
however, for some unexplainable reason, building with /MDd is working
now. /MD does not work, it throws a bunch of errors such as:
Error 3 error LNK2005: _malloc already defined in
MSVCRT.lib(MSVCR80.dll) LIBCMTD.lib
Error 4 error LNK2005: _calloc already defined in
MSVCRT.lib(MSVCR80.dll) LIBCMTD.lib
Error 5 error LNK2005: __recalloc already defined in
MSVCRT.lib(MSVCR80.dll) LIBCMTD.lib
Error 6 error LNK2005: _free already defined in
MSVCRT.lib(MSVCR80.dll) LIBCMTD.lib
I guess I'll try and fix that when I get to it. If you gurus know the
problem to that, cool. for now, im using the /MDd. I'd like to just
get this working. This project is only a proof of concept. I'm not
getting any errors at all with /MDd. but my notify observer call isnt
triggering my javascript. this is my c++ code:
char* topic = "My Topic";
PRUnichar* wstring = nsnull;
nsISupports* context = nsnull;
nsCOMPtr<nsIObserverService> observerService;
observerService = do_GetService("@mozilla.org/observer-service;1");
observerService->NotifyObservers (context, topic, wstring);
I can verify thats its working by attaching to the firefox process. the
code is getting run. I have a button on my test page that calls it.
the sample i was originally going from didn't set context to nsnull.
firefox was crashing saying I needed to set it to something. nsnull
compiles, but its just not calling back to my javascript either. I'm
kinda puzzled on what I need to pass in as context to get it to work.
assuming thats my issue. the javascript side of it is pretty straight
forward:
var myObserver = { observe : function(subject, topic, data) {
if (topic == "myTopic") {
// callback from C++ XPCOM
alert("my topic happened in
the plugin!");
}
}
};
// register the observer
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var observerService =
Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
observerService.addObserver(myObserver, "myTopic", false);
I'm guessing my issue is I need to pass in a proper context pointer
instead of a null one. Would anyone agree with that, or does anyone
notice any other blaring error.
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