gecko-dev/rdf/chrome/build/nsChromeFactory.cpp
1999-04-10 08:08:48 +00:00

108 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include "nsIGenericFactory.h"
#include "nsIChromeRegistry.h"
#include "nscore.h"
#include "rdf.h"
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kGenericFactoryCID, NS_GENERICFACTORY_CID);
static NS_DEFINE_CID(kChromeRegistryCID, NS_CHROMEREGISTRY_CID);
static NS_IMETHODIMP
NS_ConstructChromeRegistry(nsISupports *aOuter, REFNSIID aIID, void **aResult)
{
nsresult rv;
NS_ASSERTION(aOuter == nsnull, "no aggregation");
nsIChromeRegistry* chromeRegistry;
rv = NS_NewChromeRegistry(&chromeRegistry);
if (NS_FAILED(rv)) {
NS_ERROR("Unable to construct chrome registry");
return rv;
}
rv = chromeRegistry->QueryInterface(aIID, aResult);
NS_ASSERTION(NS_SUCCEEDED(rv), "unable to find correct interface");
NS_RELEASE(chromeRegistry);
return rv;
}
extern "C" PR_IMPLEMENT(nsresult)
NSGetFactory(nsISupports* aServMgr,
const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory **aFactory)
{
nsresult rv;
NS_ASSERTION(aFactory != nsnull, "bad factory pointer");
NS_ASSERTION(aClass.Equals(kChromeRegistryCID), "incorrectly registered");
NS_WITH_SERVICE1(nsIComponentManager, compMgr,
aServMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
nsIGenericFactory* factory;
rv = compMgr->CreateInstance(kGenericFactoryCID, nsnull, nsIGenericFactory::GetIID(),
(void**)&factory);
if (NS_FAILED(rv)) return rv;
rv = factory->SetConstructor(NS_ConstructChromeRegistry);
if (NS_FAILED(rv)) {
delete factory;
return rv;
}
NS_ADDREF(factory);
*aFactory = factory;
return NS_OK;
}
extern "C" PR_IMPLEMENT(nsresult)
NSRegisterSelf(nsISupports* aServMgr , const char* aPath)
{
nsresult rv;
NS_WITH_SERVICE1(nsIComponentManager, compMgr,
aServMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = compMgr->RegisterComponent(kChromeRegistryCID,
"Chrome Registry",
NS_RDF_DATASOURCE_PROGID_PREFIX "chrome",
aPath,
PR_TRUE, PR_TRUE);
return rv;
}
extern "C" PR_IMPLEMENT(nsresult)
NSUnregisterSelf(nsISupports* aServMgr, const char* aPath)
{
nsresult rv;
NS_WITH_SERVICE1(nsIComponentManager, compMgr,
aServMgr, kComponentManagerCID, &rv);
if (NS_FAILED(rv)) return rv;
rv = compMgr->UnregisterComponent(kChromeRegistryCID, aPath);
return rv;
}