зеркало из https://github.com/mozilla/gecko-dev.git
233 строки
8.2 KiB
C++
233 строки
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#ifndef nsComponentManager_h__
|
|
#define nsComponentManager_h__
|
|
|
|
#include "nsIComponentLoader.h"
|
|
#include "nsNativeComponentLoader.h"
|
|
#include "nsIComponentManager.h"
|
|
#include "nsIFactory.h"
|
|
#include "nsRegistry.h"
|
|
#include "nsIInterfaceRequestor.h"
|
|
#include "nsHashtable.h"
|
|
#include "prtime.h"
|
|
#include "prmon.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsWeakReference.h"
|
|
#include "nsXPIDLString.h"
|
|
#include "nsIFile.h"
|
|
|
|
class nsFactoryEntry;
|
|
class nsDll;
|
|
class nsIServiceManager;
|
|
|
|
// Registry Factory creation function defined in nsRegistry.cpp
|
|
// We hook into this function locally to create and register the registry
|
|
// Since noone outside xpcom needs to know about this and nsRegistry.cpp
|
|
// does not have a local include file, we are putting this definition
|
|
// here rather than in nsIRegistry.h
|
|
extern "C" NS_EXPORT nsresult NS_RegistryGetFactory(nsIFactory** aFactory);
|
|
|
|
extern const char XPCOM_LIB_PREFIX[];
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class nsComponentManagerImpl
|
|
: public nsIComponentManager, public nsSupportsWeakReference,
|
|
public nsIInterfaceRequestor {
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSICOMPONENTMANAGER
|
|
NS_DECL_NSIINTERFACEREQUESTOR
|
|
|
|
// nsComponentManagerImpl methods:
|
|
nsComponentManagerImpl();
|
|
virtual ~nsComponentManagerImpl();
|
|
|
|
static nsComponentManagerImpl* gComponentManager;
|
|
nsresult Init(void);
|
|
nsresult PlatformPrePopulateRegistry();
|
|
nsresult Shutdown(void);
|
|
|
|
friend class nsFactoryEntry;
|
|
protected:
|
|
nsresult RegistryNameForLib(const char *aLibName, char **aRegistryName);
|
|
nsresult RegisterComponentCommon(const nsCID &aClass,
|
|
const char *aClassName,
|
|
const char *aContractID,
|
|
const char *aRegistryName,
|
|
PRBool aReplace, PRBool aPersist,
|
|
const char *aType);
|
|
nsresult AddComponentToRegistry(const nsCID &aCID, const char *aClassName,
|
|
const char *aContractID,
|
|
const char *aRegistryName,
|
|
const char *aType);
|
|
nsresult GetLoaderForType(const char *aType,
|
|
nsIComponentLoader **aLoader);
|
|
|
|
nsresult LoadFactory(nsFactoryEntry *aEntry, nsIFactory **aFactory);
|
|
nsFactoryEntry *GetFactoryEntry(const nsCID &aClass, PRBool checkRegistry);
|
|
|
|
nsresult SyncComponentsInDir(PRInt32 when, nsIFile *dirSpec);
|
|
nsresult SelfRegisterDll(nsDll *dll);
|
|
nsresult SelfUnregisterDll(nsDll *dll);
|
|
nsresult HashContractID(const char *acontractID, const nsCID &aClass);
|
|
nsresult UnloadLibraries(nsIServiceManager *servmgr, PRInt32 when);
|
|
|
|
// The following functions are the only ones that operate on the persistent
|
|
// registry
|
|
nsresult PlatformInit(void);
|
|
nsresult PlatformVersionCheck(nsRegistryKey *aXPCOMRootKey);
|
|
nsresult PlatformRegister(const char *cidString, const char *className, const char *contractID, nsDll *dll);
|
|
nsresult PlatformUnregister(const char *cidString, const char *aLibrary);
|
|
nsresult PlatformFind(const nsCID &aCID, nsFactoryEntry* *result);
|
|
nsresult PlatformContractIDToCLSID(const char *aContractID, nsCID *aClass);
|
|
nsresult PlatformCLSIDToContractID(const nsCID *aClass, char* *aClassName, char* *aContractID);
|
|
|
|
private:
|
|
nsresult AutoRegisterImpl(PRInt32 when, nsIFile *inDirSpec);
|
|
|
|
protected:
|
|
nsObjectHashtable* mFactories;
|
|
nsObjectHashtable* mContractIDs;
|
|
nsSupportsHashtable* mLoaders;
|
|
PRMonitor* mMon;
|
|
nsRegistry* mRegistry;
|
|
nsRegistryKey mXPCOMKey;
|
|
nsRegistryKey mClassesKey;
|
|
nsRegistryKey mCLSIDKey;
|
|
PRBool mPrePopulationDone;
|
|
nsRegistryKey mLoadersKey;
|
|
nsNativeComponentLoader *mNativeComponentLoader;
|
|
nsCOMPtr<nsIFile> mComponentsDir;
|
|
PRInt32 mComponentsOffset;
|
|
|
|
// Shutdown
|
|
#define NS_SHUTDOWN_NEVERHAPPENED 0
|
|
#define NS_SHUTDOWN_INPROGRESS 1
|
|
#define NS_SHUTDOWN_COMPLETE 2
|
|
PRUint32 mShuttingDown;
|
|
};
|
|
|
|
#define NS_MAX_FILENAME_LEN 1024
|
|
|
|
#define NS_ERROR_IS_DIR NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 24)
|
|
|
|
#ifdef XP_UNIX
|
|
/* The default registry on the unix system is $HOME/.mozilla/registry per
|
|
* vr_findGlobalRegName(). vr_findRegFile() will create the registry file
|
|
* if it doesn't exist. But it wont create directories.
|
|
*
|
|
* Hence we need to create the directory if it doesn't exist already.
|
|
*
|
|
* Why create it here as opposed to the app ?
|
|
* ------------------------------------------
|
|
* The app cannot create the directory in main() as most of the registry
|
|
* and initialization happens due to use of static variables.
|
|
* And we dont want to be dependent on the order in which
|
|
* these static stuff happen.
|
|
*
|
|
* Permission for the $HOME/.mozilla will be Read,Write,Execute
|
|
* for user only. Nothing to group and others.
|
|
*/
|
|
#define NS_MOZILLA_DIR_NAME ".mozilla"
|
|
#define NS_MOZILLA_DIR_PERMISSION 00700
|
|
#endif /* XP_UNIX */
|
|
|
|
#ifdef XP_BEOS
|
|
#define NS_MOZILLA_DIR_NAME "mozilla"
|
|
#define NS_MOZILLA_DIR_PERMISSION 00700
|
|
#endif /* XP_BEOS */
|
|
|
|
/**
|
|
* When using the registry we put a version number in it.
|
|
* If the version number that is in the registry doesn't match
|
|
* the following, we ignore the registry. This lets news versions
|
|
* of the software deal with old formats of registry and not
|
|
*
|
|
* alpha0.20 : First time we did versioning
|
|
* alpha0.30 : Changing autoreg to begin registration from ./components on unix
|
|
* alpha0.40 : repository -> component manager
|
|
* alpha0.50 : using nsIRegistry
|
|
* alpha0.60 : xpcom 2.0 landing
|
|
* alpha0.70 : using nsIFileSpec. PRTime -> PRUint32
|
|
* alpha0.90 : using nsIComponentLoader, abs:/rel:/lib:, shaver-cleanup
|
|
* alpha0.92 : restructured registry keys
|
|
* alpha0.93 : changed component names to native strings instead of UTF8
|
|
*/
|
|
#define NS_XPCOM_COMPONENT_MANAGER_VERSION_STRING "alpha0.93"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/**
|
|
* Class: nsFactoryEntry()
|
|
*
|
|
* There are two types of FactoryEntries.
|
|
*
|
|
* 1. {CID, dll} mapping.
|
|
* Factory is a consequence of the dll. These can be either session
|
|
* specific or persistent based on whether we write this
|
|
* to the registry or not.
|
|
*
|
|
* 2. {CID, factory} mapping
|
|
* These are strictly session specific and in memory only.
|
|
*/
|
|
|
|
class nsFactoryEntry {
|
|
public:
|
|
nsFactoryEntry(const nsCID &aClass, const char *location,
|
|
const char *aType, nsIComponentLoader *aLoader);
|
|
nsFactoryEntry(const nsCID &aClass, nsIFactory *aFactory);
|
|
~nsFactoryEntry();
|
|
|
|
nsresult GetFactory(nsIFactory **aFactory,
|
|
nsComponentManagerImpl * mgr) {
|
|
if (factory) {
|
|
*aFactory = factory.get();
|
|
NS_ADDREF(*aFactory);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult rv;
|
|
if (!loader.get()) {
|
|
rv = mgr->GetLoaderForType(type, getter_AddRefs(loader));
|
|
if(NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
rv = loader->GetFactory(cid, location, type, aFactory);
|
|
if (NS_SUCCEEDED(rv))
|
|
factory = do_QueryInterface(*aFactory);
|
|
return rv;
|
|
}
|
|
|
|
nsCID cid;
|
|
nsXPIDLCString location;
|
|
nsCOMPtr<nsIFactory> factory;
|
|
nsXPIDLCString type;
|
|
nsCOMPtr<nsIComponentLoader> loader;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#endif // nsComponentManager_h__
|