pjs/xpcom/components/nsIComponentManager.h

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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 nsIComponentManager_h__
#define nsIComponentManager_h__
#include "prtypes.h"
#include "nsCom.h"
#include "nsID.h"
#include "nsError.h"
#include "nsISupports.h"
#include "nsIFactory.h"
/*
* Prototypes for dynamic library export functions. Your DLL/DSO needs to export
* these methods to play in the component world.
*/
extern "C" NS_EXPORT nsresult NSGetFactory(nsISupports* aServMgr,
const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory **aFactory);
extern "C" NS_EXPORT PRBool NSCanUnload(nsISupports* aServMgr);
extern "C" NS_EXPORT nsresult NSRegisterSelf(nsISupports* aServMgr, const char *fullpath);
extern "C" NS_EXPORT nsresult NSUnregisterSelf(nsISupports* aServMgr, const char *fullpath);
typedef nsresult (*nsFactoryProc)(nsISupports* aServMgr,
const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory **aFactory);
typedef PRBool (*nsCanUnloadProc)(nsISupports* aServMgr);
typedef nsresult (*nsRegisterProc)(nsISupports* aServMgr, const char *path);
typedef nsresult (*nsUnregisterProc)(nsISupports* aServMgr, const char *path);
#define NS_ICOMPONENTMANAGER_IID \
{ /* 8458a740-d5dc-11d2-92fb-00e09805570f */ \
0x8458a740, \
0xd5dc, \
0x11d2, \
{0x92, 0xfb, 0x00, 0xe0, 0x98, 0x05, 0x57, 0x0f} \
}
#define NS_COMPONENTMANAGER_CID \
{ /* 91775d60-d5dc-11d2-92fb-00e09805570f */ \
0x91775d60, \
0xd5dc, \
0x11d2, \
{0x92, 0xfb, 0x00, 0xe0, 0x98, 0x05, 0x57, 0x0f} \
}
/*
* nsIComponentManager interface
*/
class nsIComponentManager : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOMPONENTMANAGER_IID)
NS_IMETHOD FindFactory(const nsCID &aClass,
nsIFactory **aFactory) = 0;
// Finds a class ID for a specific Program ID
NS_IMETHOD ProgIDToCLSID(const char *aProgID,
nsCID *aClass) = 0;
// Finds a Program ID for a specific class ID
// caller frees the result with delete[]
NS_IMETHOD CLSIDToProgID(nsCID *aClass,
char* *aClassName,
char* *aProgID) = 0;
// Creates a class instance for a specific class ID
NS_IMETHOD CreateInstance(const nsCID &aClass,
nsISupports *aDelegate,
const nsIID &aIID,
void **aResult) = 0;
// Convenience routine, creates a class instance for a specific ProgID
NS_IMETHOD CreateInstance(const char *aProgID,
nsISupports *aDelegate,
const nsIID &aIID,
void **aResult) = 0;
// Manually registry a factory for a class
NS_IMETHOD RegisterFactory(const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory *aFactory,
PRBool aReplace) = 0;
// Manually register a dynamically loaded component.
NS_IMETHOD RegisterComponent(const nsCID &aClass,
const char *aClassName,
const char *aProgID,
const char *aLibrary,
PRBool aReplace,
PRBool aPersist) = 0;
// Manually unregister a factory for a class
NS_IMETHOD UnregisterFactory(const nsCID &aClass,
nsIFactory *aFactory) = 0;
// Manually unregister a dynamically loaded component
NS_IMETHOD UnregisterComponent(const nsCID &aClass,
const char *aLibrary) = 0;
// Unload dynamically loaded factories that are not in use
NS_IMETHOD FreeLibraries(void) = 0;
//////////////////////////////////////////////////////////////////////////////
// DLL registration support
// Autoregistration will try only files with these extensions.
// All extensions are case insensitive.
// ".dll", // Windows
// ".dso", // Unix
// ".so", // Unix
// ".sl", // Unix: HP
// ".shlb", // Mac
// ".dlm", // new for all platforms
//
// Directory and fullname are what NSPR will accept. For eg.
// MAC /Hard drive/mozilla/dist/bin
// WIN y:\Hard drive\mozilla\dist\bin (or) y:/Hard drive/mozilla/dist/bin
// UNIX /Hard drive/mozilla/dist/bin
//
enum RegistrationTime {
NS_Startup = 0,
NS_Script = 1,
NS_Timer = 2
};
NS_IMETHOD AutoRegister(RegistrationTime when, const char* directory) = 0;
NS_IMETHOD AutoRegisterComponent(RegistrationTime when, const char *fullname) = 0;
};
////////////////////////////////////////////////////////////////////////////////
extern NS_COM nsresult
NS_GetGlobalComponentManager(nsIComponentManager* *result);
////////////////////////////////////////////////////////////////////////////////
// Global Static Component Manager Methods
// (for when you need to link with xpcom)
class NS_COM nsComponentManager {
public:
static nsresult Initialize(void);
// Finds a factory for a specific class ID
static nsresult FindFactory(const nsCID &aClass,
nsIFactory **aFactory);
// Finds a class ID for a specific Program ID
static nsresult ProgIDToCLSID(const char *aProgID,
nsCID *aClass);
// Finds a Program ID for a specific class ID
// caller frees the result with delete[]
static nsresult CLSIDToProgID(nsCID *aClass,
char* *aClassName,
char* *aProgID);
// Creates a class instance for a specific class ID
static nsresult CreateInstance(const nsCID &aClass,
nsISupports *aDelegate,
const nsIID &aIID,
void **aResult);
// Convenience routine, creates a class instance for a specific ProgID
static nsresult CreateInstance(const char *aProgID,
nsISupports *aDelegate,
const nsIID &aIID,
void **aResult);
// Manually registry a factory for a class
static nsresult RegisterFactory(const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory *aFactory,
PRBool aReplace);
// Manually register a dynamically loaded component.
static nsresult RegisterComponent(const nsCID &aClass,
const char *aClassName,
const char *aProgID,
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 component
static nsresult UnregisterComponent(const nsCID &aClass,
const char *aLibrary);
// Unload dynamically loaded factories that are not in use
static nsresult FreeLibraries(void);
//////////////////////////////////////////////////////////////////////////////
// DLL registration support
static nsresult AutoRegister(nsIComponentManager::RegistrationTime when,
const char* directory);
static nsresult AutoRegisterComponent(nsIComponentManager::RegistrationTime when,
const char *fullname);
};
////////////////////////////////////////////////////////////////////////////////
#endif