зеркало из https://github.com/mozilla/gecko-dev.git
140 строки
3.5 KiB
C++
140 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include <iostream.h>
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#include "pratom.h"
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#include "TestFactory.h"
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#include "nsCom.h"
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#include "nsISupports.h"
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#include "nsRepository.h"
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NS_DEFINE_IID(kFactoryIID, NS_IFACTORY_IID);
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NS_DEFINE_CID(kTestLoadedFactoryCID, NS_TESTLOADEDFACTORY_CID);
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NS_DEFINE_IID(kTestClassIID, NS_ITESTCLASS_IID);
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/**
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* ITestClass implementation
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*/
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class TestDynamicClassImpl: public ITestClass {
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NS_DECL_ISUPPORTS
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TestDynamicClassImpl() {
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NS_INIT_REFCNT();
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}
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void Test();
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};
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NS_IMPL_ISUPPORTS(TestDynamicClassImpl, kTestClassIID);
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void TestDynamicClassImpl::Test() {
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cout << "hello, dynamic world!\n";
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}
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/**
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* TestFactory implementation
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*/
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static PRInt32 g_FactoryCount = 0;
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static PRInt32 g_LockCount = 0;
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class TestDynamicFactory: public nsIFactory {
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NS_DECL_ISUPPORTS
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TestDynamicFactory() {
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NS_INIT_REFCNT();
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PR_AtomicIncrement(&g_FactoryCount);
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}
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~TestDynamicFactory() {
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PR_AtomicDecrement(&g_FactoryCount);
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}
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NS_IMETHOD CreateInstance(nsISupports *aDelegate,
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const nsIID &aIID,
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void **aResult);
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NS_IMETHOD LockFactory(PRBool aLock) {
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if (aLock) {
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PR_AtomicIncrement(&g_LockCount);
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} else {
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PR_AtomicDecrement(&g_LockCount);
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}
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return NS_OK;
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};
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};
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NS_IMPL_ISUPPORTS(TestDynamicFactory, kFactoryIID);
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nsresult TestDynamicFactory::CreateInstance(nsISupports *aDelegate,
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const nsIID &aIID,
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void **aResult)
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{
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if (aDelegate != NULL) {
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return NS_ERROR_NO_AGGREGATION;
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}
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TestDynamicClassImpl *t = new TestDynamicClassImpl();
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if (t == NULL) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsresult res = t->QueryInterface(aIID, aResult);
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if (NS_FAILED(res)) {
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*aResult = NULL;
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delete t;
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}
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return res;
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}
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extern "C" NS_EXPORT nsresult NSGetFactory(const nsCID &aCID,
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nsISupports* serviceMgr,
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nsIFactory **aFactory) {
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if (aFactory == NULL) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aCID.Equals(kTestLoadedFactoryCID)) {
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TestDynamicFactory *factory = new TestDynamicFactory();
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nsresult res = factory->QueryInterface(kFactoryIID, (void **) aFactory);
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if (NS_FAILED(res)) {
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*aFactory = NULL;
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delete factory;
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}
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return res;
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}
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return NS_NOINTERFACE;
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}
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extern "C" NS_EXPORT PRBool NSCanUnload() {
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return PRBool(g_FactoryCount == 0 && g_LockCount == 0);
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}
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extern "C" NS_EXPORT nsresult NSRegisterSelf(const char *path)
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{
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return nsRepository::RegisterFactory(kTestLoadedFactoryCID, path,
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PR_TRUE, PR_TRUE);
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}
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extern "C" NS_EXPORT nsresult NSUnregisterSelf(const char *path)
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{
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return nsRepository::UnregisterFactory(kTestLoadedFactoryCID, path);
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}
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