/* -*- Mode: C++; tab-width: 2; 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 "msgCore.h" #include "nsIFactory.h" #include "nsISupports.h" #include "pratom.h" #include "nsMsgCompCID.h" /* Include all of the interfaces our factory can generate components for */ #include "nsISmtpService.h" #include "nsSmtpService.h" #include "nsMsgComposeService.h" #include "nsMsgCompose.h" #include "nsMsgComposeFact.h" #include "nsMsgCompFieldsFact.h" #include "nsMsgSendFact.h" #include "nsMsgSendLaterFact.h" #include "nsIServiceManager.h" #include "nsCOMPtr.h" static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID); static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID); static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID); static NS_DEFINE_CID(kCMsgComposeCID, NS_MSGCOMPOSE_CID); static NS_DEFINE_CID(kCMsgCompFieldsCID, NS_MSGCOMPFIELDS_CID); static NS_DEFINE_CID(kCMsgSendCID, NS_MSGSEND_CID); static NS_DEFINE_CID(kCMsgSendLaterCID, NS_MSGSENDLATER_CID); static NS_DEFINE_CID(kCSmtpServiceCID, NS_SMTPSERVICE_CID); static NS_DEFINE_CID(kCMsgComposeServiceCID, NS_MSGCOMPOSESERVICE_CID); //////////////////////////////////////////////////////////// // //////////////////////////////////////////////////////////// static PRInt32 g_InstanceCount = 0; static PRInt32 g_LockCount = 0; class nsMsgComposeFactory : public nsIFactory { public: // nsISupports methods NS_DECL_ISUPPORTS nsMsgComposeFactory(const nsCID &aClass, const char* aClassName, const char* aProgID, nsISupports*); // nsIFactory methods NS_IMETHOD CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult); NS_IMETHOD LockFactory(PRBool aLock); protected: virtual ~nsMsgComposeFactory(); private: nsCID mClassID; char* mClassName; char* mProgID; nsIServiceManager* mServiceManager; }; nsMsgComposeFactory::nsMsgComposeFactory(const nsCID &aClass, const char* aClassName, const char* aProgID, nsISupports *compMgrSupports) : mClassID(aClass), mClassName(nsCRT::strdup(aClassName)), mProgID(nsCRT::strdup(aProgID)) { NS_INIT_REFCNT(); // store a copy of the compMgrSupports->QueryInterface(nsIServiceManager::GetIID(), (void **)&mServiceManager); } nsMsgComposeFactory::~nsMsgComposeFactory() { NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction"); NS_IF_RELEASE(mServiceManager); PL_strfree(mClassName); PL_strfree(mProgID); } nsresult nsMsgComposeFactory::QueryInterface(const nsIID &aIID, void **aResult) { if (aResult == NULL) return NS_ERROR_NULL_POINTER; // Always NULL result, in case of failure *aResult = NULL; // we support two interfaces....nsISupports and nsFactory..... if (aIID.Equals(::nsISupports::GetIID())) *aResult = (void *)(nsISupports*)this; else if (aIID.Equals(nsIFactory::GetIID())) *aResult = (void *)(nsIFactory*)this; if (*aResult == NULL) return NS_NOINTERFACE; AddRef(); // Increase reference count for caller return NS_OK; } NS_IMPL_ADDREF(nsMsgComposeFactory) NS_IMPL_RELEASE(nsMsgComposeFactory) nsresult nsMsgComposeFactory::CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult) { if (aResult == NULL) return NS_ERROR_NULL_POINTER; *aResult = NULL; // ClassID check happens here // Whenever you add a new class that supports an interface, plug it in here!!! // mscott --> I've noticed that all of the "convience" functions (NS_*) used to // create components are adding a ref count to the returned component...then at the end of // CreateInstance we ref count again when we query interface for the desired interface. // That's why we need to be careful and make sure we release the first ref count before returning... // So, if you add a component here and it doesn't ref count when you create it then you might // have a problem.... if (mClassID.Equals(kCSmtpServiceCID)) { nsSmtpService * smtpService = new nsSmtpService(); // okay now turn around and give inst a handle on it.... return smtpService->QueryInterface(kISupportsIID, aResult); } // do they want a Message Compose interface ? else if (mClassID.Equals(kCMsgComposeCID)) { nsMsgCompose * msgCompose = new nsMsgCompose(); // okay now turn around and give inst a handle on it.... return msgCompose->QueryInterface(kISupportsIID, aResult); } // do they want a Message Compose Fields interface ? else if (mClassID.Equals(kCMsgCompFieldsCID)) { return NS_NewMsgCompFields(aIID, aResult); } // do they want a Message Send interface ? else if (mClassID.Equals(kCMsgSendCID)) { return NS_NewMsgSend(aIID, aResult); } // do they want a Message Send Later interface ? else if (mClassID.Equals(kCMsgSendLaterCID)) { return NS_NewMsgSendLater(aIID, aResult); } else if (mClassID.Equals(kCMsgComposeServiceCID)) { nsMsgComposeService * aMsgCompService = new nsMsgComposeService(); // okay now turn around and give inst a handle on it.... return aMsgCompService->QueryInterface(kISupportsIID, aResult); } return NS_NOINTERFACE; } nsresult nsMsgComposeFactory::LockFactory(PRBool aLock) { if (aLock) PR_AtomicIncrement(&g_LockCount); else PR_AtomicDecrement(&g_LockCount); return NS_OK; } // return the proper factory to the caller. extern "C" NS_EXPORT nsresult NSGetFactory(nsISupports* aServMgr, const nsCID &aClass, const char *aClassName, const char *aProgID, nsIFactory **aFactory) { if (nsnull == aFactory) return NS_ERROR_NULL_POINTER; *aFactory = new nsMsgComposeFactory(aClass, aClassName, aProgID, aServMgr); if (aFactory) return (*aFactory)->QueryInterface(nsIFactory::GetIID(), (void**)aFactory); else return NS_ERROR_OUT_OF_MEMORY; } extern "C" NS_EXPORT PRBool NSCanUnload(nsISupports* aServMgr) { return PRBool(g_InstanceCount == 0 && g_LockCount == 0); } extern "C" NS_EXPORT nsresult NSRegisterSelf(nsISupports* aServMgr, const char* path) { nsresult rv = NS_OK; nsresult finalResult = NS_OK; nsCOMPtr servMgr(do_QueryInterface(aServMgr, &rv)); if (NS_FAILED(rv)) return rv; NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServMgr, kComponentManagerCID, &rv); if (NS_FAILED(rv)) return rv; // register the message compose factory rv = compMgr->RegisterComponent(kCSmtpServiceCID, "SMTP Service", nsnull, path, PR_TRUE, PR_TRUE); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->RegisterComponent(kCMsgComposeServiceCID, "Message Compose Service", "component://netscape/messengercompose", path, PR_TRUE, PR_TRUE); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->RegisterComponent(kCMsgComposeCID, "Message Compose", "component://netscape/messengercompose/compose", path, PR_TRUE, PR_TRUE); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->RegisterComponent(kCMsgCompFieldsCID, "Message Compose Fields", "component://netscape/messengercompose/composefields", path, PR_TRUE, PR_TRUE); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->RegisterComponent(kCMsgSendCID, "Message Compose Send", "component://netscape/messengercompose/send", path, PR_TRUE, PR_TRUE); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->RegisterComponent(kCMsgSendLaterCID, "Message Compose Send Later", "Xcomponent://netscape/messengercompose/sendlater", path, PR_TRUE, PR_TRUE); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->RegisterComponent(kCSmtpServiceCID, "Message Compose SMTP Service", "Xcomponent://netscape/messengercompose/smtp", path, PR_TRUE, PR_TRUE); if (NS_FAILED(rv)) finalResult = rv; #ifdef NS_DEBUG printf("composer registering from %s\n",path); #endif return finalResult; } extern "C" NS_EXPORT nsresult NSUnregisterSelf(nsISupports* aServMgr, const char* path) { nsresult finalResult = NS_OK; nsresult rv = NS_OK; NS_WITH_SERVICE1(nsIComponentManager, compMgr, aServMgr, kComponentManagerCID, &rv); if (NS_FAILED(rv)) return rv; rv = compMgr->UnregisterComponent(kCMsgComposeServiceCID, path); if (NS_FAILED(rv))finalResult = rv; rv = compMgr->UnregisterComponent(kCMsgComposeCID, path); if (NS_FAILED(rv))finalResult = rv; rv = compMgr->UnregisterComponent(kCMsgCompFieldsCID, path); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->UnregisterComponent(kCMsgSendCID, path); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->UnregisterComponent(kCMsgSendLaterCID, path); if (NS_FAILED(rv)) finalResult = rv; rv = compMgr->UnregisterComponent(kCSmtpServiceCID, path); if (NS_FAILED(rv)) finalResult = rv; return finalResult; }