pjs/xpcom/public/nsRepository.h

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3.6 KiB
C
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/* -*- 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.
*/
#ifndef __nsRespository_h
#define __nsRespository_h
#include "prtypes.h"
#include "prlog.h"
#include "prmon.h"
#include "nsCom.h"
#include "nsID.h"
#include "nsError.h"
#include "nsISupports.h"
#include "nsIFactory.h"
#include "nsHashtable.h"
/*
* Prototypes for dynamic library export functions
*/
extern "C" NS_EXPORT nsresult NSGetFactory(const nsCID &aClass,
nsIFactory **aFactory);
extern "C" NS_EXPORT PRBool NSCanUnload(void);
extern "C" NS_EXPORT nsresult NSRegisterSelf(const char *path);
extern "C" NS_EXPORT nsresult NSUnregisterSelf(const char *path);
/*
* Dynamic library export function types
*/
typedef nsresult (*nsFactoryProc)(const nsCID &aCLass,
nsIFactory **aFactory);
typedef PRBool (*nsCanUnloadProc)(void);
typedef nsresult (*nsRegisterProc)(const char *path);
typedef nsresult (*nsUnregisterProc)(const char *path);
/*
* Support types
*/
class FactoryEntry;
/*
* nsRepository class
*/
class NS_COM nsRepository {
private:
static nsHashtable *factories;
static PRMonitor *monitor;
static nsresult checkInitialized(void);
static nsresult loadFactory(FactoryEntry *aEntry, nsIFactory **aFactory);
public:
static nsresult Initialize(void);
// Finds a factory for a specific class ID
static nsresult FindFactory(const nsCID &aClass,
nsIFactory **aFactory);
// Creates a class instance for a specific class ID
static nsresult CreateInstance(const nsCID &aClass,
nsISupports *aDelegate,
const nsIID &aIID,
void **aResult);
// Creates a class instance for a specific class ID
static nsresult CreateInstance2(const nsCID &aClass,
nsISupports *aDelegate,
const nsIID &aIID,
void *aSignature,
void **aResult);
// Manually registry a factory for a class
static nsresult RegisterFactory(const nsCID &aClass,
nsIFactory *aFactory,
PRBool aReplace);
// Manually registry a dynamically loaded factory for a class
static nsresult RegisterFactory(const nsCID &aClass,
const char *aLibrary,
PRBool aReplace,
PRBool aPersist);
// Manually unregister a factory for a class
static nsresult UnregisterFactory(const nsCID &aClass,
nsIFactory *aFactory);
// Manually unregister a dynamically loaded factory for a class
static nsresult UnregisterFactory(const nsCID &aClass,
const char *aLibrary);
// Unload dynamically loaded factories that are not in use
static nsresult FreeLibraries(void);
};
#endif