Not part of the build yet. a=chofmann. Initial check in of imap framework.

Imap factory is used to build the imap dll component.
This commit is contained in:
mscott%netscape.com 1999-03-18 01:09:50 +00:00
parent 8256161ceb
commit 6ad016b233
2 changed files with 283 additions and 0 deletions

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#!gmake
#
# 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.
DEPTH=..\..\..
MODULE=mailnews
MAKE_OBJ_TYPE=DLL
DLLNAME=msgimap
DLL=.\$(OBJDIR)\$(DLLNAME).dll
EXPORTS= \
$(NULL)
CPPSRCS= \
nsImapFactory.cpp \
CPP_OBJS=\
.\$(OBJDIR)\nsImapFactory.obj \
$(NULL)
# XXX linking in raptor is a heinous crime that will go away once we
# have a more DOM-based mechanism for constructing elements and
# hooking in to their changes.
LLIBS=\
$(DIST)\lib\xpcom32.lib \
$(DIST)\lib\xplib.lib \
$(DIST)\lib\msgcore.lib \
$(DIST)\lib\imap.lib \
$(LIBNSPR) \
$(DIST)\lib\plc3.lib \
$(DIST)\lib\raptorbase.lib \
$(NULL)
MISCDEP=$(LLIBS)
# XXX Note dependencies on implementation dirs for factory methods.
LINCS= \
-I$(PUBLIC)\xpcom \
-I$(PUBLIC)\mailnews \
-I$(PUBLIC)\raptor \
-I$(PUBLIC)\netlib \
$(NULL)
include <$(DEPTH)\config\rules.mak>
install:: $(DLL)
$(MAKE_INSTALL) .\$(OBJDIR)\$(DLLNAME).dll $(DIST)\bin\components
clobber::
rm -f $(DIST)\bin\$(DLLNAME)

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/* -*- 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" // for pre-compiled headers...
#include "nsIServiceManager.h"
#include "nsIFactory.h"
#include "nsISupports.h"
#include "nsMsgLocalCID.h"
#include "pratom.h"
#include "nsCOMPtr.h"
// include files for components this factory creates...
#include "nsImapUrl.h"
#include "nsImapProtocol.h"
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kCImapUrl, NS_IMAPURL_CID);
static NS_DEFINE_CID(kCImapProtocol, NS_IMAPPROTOCOL_CID);
////////////////////////////////////////////////////////////
//
////////////////////////////////////////////////////////////
static PRInt32 g_InstanceCount = 0;
static PRInt32 g_LockCount = 0;
class nsImapFactory : public nsIFactory
{
public:
// nsISupports methods
NS_DECL_ISUPPORTS
nsImapFactory(const nsCID &aClass, const char* aClassName, const char* aProgID);
// nsIFactory methods
NS_IMETHOD CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
protected:
virtual ~nsImapFactory();
nsCID mClassID;
char* mClassName;
char* mProgID;
};
nsImapFactory::nsImapFactory(const nsCID &aClass, const char* aClassName, const char* aProgID)
: mClassID(aClass), mClassName(nsCRT::strdup(aClassName)), mProgID(nsCRT::strdup(aProgID))
{
NS_INIT_REFCNT();
}
nsImapFactory::~nsImapFactory()
{
NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
delete[] mClassName;
delete[] mProgID;
}
nsresult nsImapFactory::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(nsImapFactory)
NS_IMPL_RELEASE(nsImapFactory)
nsresult nsImapFactory::CreateInstance(nsISupports *aOuter, const nsIID &aIID, void **aResult)
{
nsresult rv = NS_OK;
if (aResult == NULL)
return NS_ERROR_NULL_POINTER;
*aResult = NULL;
nsISupports *inst = nsnull;
// ClassID check happens here
// Whenever you add a new class that supports an interface, plug it in here!!!
// do they want a local datasource ?
if (mClassID.Equals(kCImapUrl))
{
inst = NS_STATIC_CAST(nsIImapUrl*, new nsImapUrl());
}
if (mClassID.Equals(kCImapProtocol))
{
inst = NS_STATIC_CAST(nsIImapProtocol *, new nsImapProtocol());
}
if (inst == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
rv = inst->QueryInterface(aIID, aResult);
if (NS_FAILED(rv))
delete inst;
return rv;
}
nsresult nsImapFactory::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 nsImapFactory(aClass, aClassName, aProgID);
if (aFactory)
return (*aFactory)->QueryInterface(nsIFactory::GetIID(), (void**)aFactory); // they want a Factory Interface so give it to them
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;
nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
if (NS_FAILED(rv)) return rv;
nsIComponentManager* compMgr;
rv = servMgr->GetService(kComponentManagerCID,
nsIComponentManager::GetIID(),
(nsISupports**)&compMgr);
if (NS_FAILED(rv)) return rv;
rv = compMgr->RegisterComponent(kCImapUrl, nsnull, nsnull,
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) goto done;
rv = compMgr->RegisterComponent(kCImapProtocol, nsnull, nsnull,
path, PR_TRUE, PR_TRUE);
if (NS_FAILED(rv)) goto done;
done:
(void)servMgr->ReleaseService(kComponentManagerCID, compMgr);
return rv;
}
extern "C" NS_EXPORT nsresult
NSUnregisterSelf(nsISupports* aServMgr, const char* path)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
if (NS_FAILED(rv)) return rv;
nsIComponentManager* compMgr;
rv = servMgr->GetService(kComponentManagerCID,
nsIComponentManager::GetIID(),
(nsISupports**)&compMgr);
if (NS_FAILED(rv)) return rv;
rv = compMgr->UnregisterFactory(kCImapUrl, path);
if (NS_FAILED(rv)) goto done;
rv = compMgr->UnregisterFactory(kCImapProtocol, path);
if (NS_FAILED(rv)) goto done;
done:
(void)servMgr->ReleaseService(kComponentManagerCID, compMgr);
return rv;
}