mirror of
https://github.com/mozilla/gecko-dev.git
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266 lines
9.8 KiB
C++
266 lines
9.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 "nsIRegistry.h"
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#include "nscore.h"
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#include "nsCOMPtr.h"
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#include "nsObserverService.h"
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#include "nsObserver.h"
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#include "nsProperties.h"
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#include "nsAllocator.h"
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#include "nsArena.h"
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#include "nsBuffer.h"
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#include "nsByteBuffer.h"
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#include "nsPageMgr.h"
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#include "nsSupportsArray.h"
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#include "nsUnicharBuffer.h"
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#include "nsComponentManager.h"
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#include "nsIServiceManager.h"
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#include "nsGenericFactory.h"
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#include "nsEventQueueService.h"
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#include "nsEventQueue.h"
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#include "nsProxyObjectManager.h"
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#include "nsProxyEventPrivate.h" // access to the impl of nsProxyObjectManager for the generic factory registration.
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#include "nsFileSpecImpl.h"
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// base
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static NS_DEFINE_CID(kAllocatorCID, NS_ALLOCATOR_CID);
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// ds
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static NS_DEFINE_CID(kArenaCID, NS_ARENA_CID);
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static NS_DEFINE_CID(kBufferCID, NS_BUFFER_CID);
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static NS_DEFINE_CID(kByteBufferCID, NS_BYTEBUFFER_CID);
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static NS_DEFINE_CID(kPageManagerCID, NS_PAGEMANAGER_CID);
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static NS_DEFINE_CID(kPropertiesCID, NS_PROPERTIES_CID);
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static NS_DEFINE_CID(kSupportsArrayCID, NS_SUPPORTSARRAY_CID);
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static NS_DEFINE_CID(kUnicharBufferCID, NS_UNICHARBUFFER_CID);
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// io
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static NS_DEFINE_CID(kFileSpecCID, NS_FILESPEC_CID);
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static NS_DEFINE_CID(kDirectoryIteratorCID, NS_DIRECTORYITERATOR_CID);
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// components
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kGenericFactoryCID, NS_GENERICFACTORY_CID);
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// threads
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_CID(kEventQueueCID, NS_EVENTQUEUE_CID);
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// proxy
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static NS_DEFINE_CID(kProxyObjectManagerCID, NS_PROXYEVENT_MANAGER_CID);
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////////////////////////////////////////////////////////////////////////////////
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// XPCOM initialization
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//
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// To Control the order of initialization of these key components I am putting
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// this function.
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//
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// - nsServiceManager
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// - nsComponentManager
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// - nsRegistry
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//
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// Here are key points to remember:
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// - A global of all these need to exist. nsServiceManager is an independent object.
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// nsComponentManager uses both the globalServiceManager and its own registry.
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//
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// - A static object of both the nsComponentManager and nsServiceManager
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// are in use. Hence InitXPCOM() gets triggered from both
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// NS_GetGlobale{Service/Component}Manager() calls.
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//
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// - There exists no global Registry. Registry can be created from the component manager.
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//
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static nsresult
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RegisterGenericFactory(nsIComponentManager* compMgr, const nsCID& cid, const char* className,
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const char *progid, nsIGenericFactory::ConstructorProcPtr constr)
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{
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nsresult rv;
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nsIGenericFactory* fact;
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rv = NS_NewGenericFactory(&fact, constr);
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if (NS_FAILED(rv)) return rv;
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rv = compMgr->RegisterFactory(cid, className, progid, fact, PR_TRUE);
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NS_RELEASE(fact);
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return rv;
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}
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nsIServiceManager* nsServiceManager::mGlobalServiceManager = NULL;
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nsComponentManagerImpl* nsComponentManagerImpl::gComponentManager = NULL;
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nsresult NS_InitXPCOM(nsIServiceManager* *result)
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{
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nsresult rv = NS_OK;
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// 1. Create the Global Service Manager
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nsIServiceManager* servMgr = NULL;
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if (nsServiceManager::mGlobalServiceManager == NULL)
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{
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rv = NS_NewServiceManager(&servMgr);
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if (NS_FAILED(rv)) return rv;
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nsServiceManager::mGlobalServiceManager = servMgr;
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if (result)
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{
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NS_ADDREF(servMgr);
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*result = servMgr;
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}
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}
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// 2. Create the Component Manager and register with global service manager
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// It is understood that the component manager can use the global service manager.
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nsComponentManagerImpl *compMgr = NULL;
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if (nsComponentManagerImpl::gComponentManager == NULL)
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{
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compMgr = new nsComponentManagerImpl();
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if (compMgr == NULL)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(compMgr);
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rv = compMgr->Init();
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if (NS_FAILED(rv))
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{
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NS_RELEASE(compMgr);
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return rv;
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}
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nsComponentManagerImpl::gComponentManager = compMgr;
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}
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rv = servMgr->RegisterService(kComponentManagerCID, compMgr);
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if (NS_FAILED(rv)) return rv;
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// 3. Register the global services with the component manager so that
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// clients can create new objects.
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// Registry
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nsIFactory *registryFactory = NULL;
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rv = NS_RegistryGetFactory(®istryFactory);
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if (NS_FAILED(rv)) return rv;
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NS_DEFINE_CID(kRegistryCID, NS_REGISTRY_CID);
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rv = compMgr->RegisterFactory(kRegistryCID,
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NS_REGISTRY_CLASSNAME,
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NS_REGISTRY_PROGID,
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registryFactory, PR_TRUE);
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NS_RELEASE(registryFactory);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kAllocatorCID,
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NS_ALLOCATOR_CLASSNAME,
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NS_ALLOCATOR_PROGID,
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nsAllocatorImpl::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kArenaCID,
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NS_ARENA_CLASSNAME,
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NS_ARENA_PROGID,
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ArenaImpl::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kBufferCID,
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NS_BUFFER_CLASSNAME,
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NS_BUFFER_PROGID,
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nsBuffer::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kByteBufferCID,
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NS_BYTEBUFFER_CLASSNAME,
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NS_BYTEBUFFER_PROGID,
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ByteBufferImpl::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kFileSpecCID,
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NS_FILESPEC_CLASSNAME,
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NS_FILESPEC_PROGID,
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nsFileSpecImpl::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kDirectoryIteratorCID,
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NS_DIRECTORYITERATOR_CLASSNAME,
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NS_DIRECTORYITERATOR_PROGID,
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nsDirectoryIteratorImpl::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kPageManagerCID,
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NS_PAGEMANAGER_CLASSNAME,
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NS_PAGEMANAGER_PROGID,
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nsPageMgr::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kPropertiesCID,
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NS_PROPERTIES_CLASSNAME,
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NS_PROPERTIES_PROGID,
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nsProperties::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kPersistentPropertiesCID,
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NS_PERSISTENTPROPERTIES_CLASSNAME,
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NS_PERSISTENTPROPERTIES_PROGID,
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nsPersistentProperties::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kSupportsArrayCID,
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NS_SUPPORTSARRAY_CLASSNAME,
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NS_SUPPORTSARRAY_PROGID,
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nsSupportsArray::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, nsObserver::GetCID(),
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NS_OBSERVER_CLASSNAME,
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NS_OBSERVER_PROGID,
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nsObserver::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, nsObserverService::GetCID(),
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NS_OBSERVERSERVICE_CLASSNAME,
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NS_OBSERVERSERVICE_PROGID,
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nsObserverService::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kGenericFactoryCID,
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NS_GENERICFACTORY_CLASSNAME,
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NS_GENERICFACTORY_PROGID,
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nsGenericFactory::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kEventQueueServiceCID,
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NS_EVENTQUEUESERVICE_CLASSNAME,
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NS_EVENTQUEUESERVICE_PROGID,
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nsEventQueueServiceImpl::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr, kEventQueueCID,
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NS_EVENTQUEUE_CLASSNAME,
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NS_EVENTQUEUE_PROGID,
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nsEventQueueImpl::Create);
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if (NS_FAILED(rv)) return rv;
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rv = RegisterGenericFactory(compMgr,
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kProxyObjectManagerCID,
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NS_XPCOMPROXY_CLASSNAME,
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NS_XPCOMPROXY_PROGID,
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nsProxyObjectManager::Create);
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#if 0 // Calling it only after we finalyze performance fixes
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// Prepopulate registry for performance
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nsComponentManagerImpl::gComponentManager->PlatformPrePopulateRegistry();
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#endif
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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