pjs/xpcom/tests/TestFactory.cpp

144 строки
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* 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 <iostream.h>
#include "TestFactory.h"
#include "nsISupports.h"
#include "nsIComponentManager.h"
NS_DEFINE_IID(kFactoryIID, NS_IFACTORY_IID);
NS_DEFINE_CID(kTestFactoryCID, NS_TESTFACTORY_CID);
NS_DEFINE_CID(kTestLoadedFactoryCID, NS_TESTLOADEDFACTORY_CID);
NS_DEFINE_IID(kTestClassIID, NS_ITESTCLASS_IID);
int main(int argc, char **argv) {
RegisterTestFactories();
ITestClass *t = NULL;
nsComponentManager::CreateInstance(kTestFactoryCID,
NULL,
kTestClassIID,
(void **) &t);
if (t != NULL) {
t->Test();
t->Release();
} else {
cout << "CreateInstance failed\n";
}
t = NULL;
nsComponentManager::CreateInstance(kTestLoadedFactoryCID,
NULL,
kTestClassIID,
(void **) &t);
if (t != NULL) {
t->Test();
t->Release();
} else {
cout << "Dynamic CreateInstance failed\n";
}
nsComponentManager::FreeLibraries();
return 0;
}
/**
* ITestClass implementation
*/
class TestClassImpl: public ITestClass {
NS_DECL_ISUPPORTS
public:
TestClassImpl() {
NS_INIT_REFCNT();
}
void Test();
};
NS_IMPL_ISUPPORTS(TestClassImpl, kTestClassIID);
void TestClassImpl::Test() {
cout << "hello, world!\n";
}
/**
* TestFactory implementation
*/
class TestFactory: public nsIFactory {
NS_DECL_ISUPPORTS
public:
TestFactory() {
NS_INIT_REFCNT();
}
NS_IMETHOD CreateInstance(nsISupports *aDelegate,
const nsIID &aIID,
void **aResult);
NS_IMETHOD LockFactory(PRBool aLock) { return NS_OK; }
};
NS_IMPL_ISUPPORTS(TestFactory, kFactoryIID);
nsresult TestFactory::CreateInstance(nsISupports *aDelegate,
const nsIID &aIID,
void **aResult) {
if (aDelegate != NULL) {
return NS_ERROR_NO_AGGREGATION;
}
TestClassImpl *t = new TestClassImpl();
if (t == NULL) {
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult res = t->QueryInterface(aIID, aResult);
if (NS_FAILED(res)) {
*aResult = NULL;
delete t;
}
return res;
}
/**
* TestFactory registration function
*/
extern "C" void RegisterTestFactories() {
nsComponentManager::RegisterFactory(kTestFactoryCID, 0, 0,
new TestFactory(), PR_FALSE);
// Windows can use persistant registry
#ifndef USE_NSREG
nsComponentManager::RegisterComponent(kTestLoadedFactoryCID, NULL, NULL,
"libtestdynamic.so",
PR_FALSE,
PR_TRUE);
#endif
}