mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 00:01:50 +00:00
148 lines
4.6 KiB
C++
148 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla 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/MPL/
|
|
*
|
|
* 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 Firefox.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* the Mozilla Foundation <http://www.mozilla.org>.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef mozilla_Module_h
|
|
#define mozilla_Module_h
|
|
|
|
#include "nscore.h"
|
|
#include "nsID.h"
|
|
#include "nsIFactory.h"
|
|
#include "nsCOMPtr.h" // for already_AddRefed
|
|
|
|
namespace mozilla {
|
|
|
|
/**
|
|
* A module implements one or more XPCOM components. This structure is used
|
|
* for both binary and script modules, but the registration members
|
|
* (cids/contractids/categoryentries) are unused for modules which are loaded
|
|
* via a module loader.
|
|
*/
|
|
struct Module
|
|
{
|
|
static const unsigned int kVersion = 14;
|
|
|
|
struct CIDEntry;
|
|
|
|
typedef already_AddRefed<nsIFactory> (*GetFactoryProcPtr)
|
|
(const Module& module, const CIDEntry& entry);
|
|
|
|
typedef nsresult (*ConstructorProcPtr)(nsISupports* aOuter,
|
|
const nsIID& aIID,
|
|
void** aResult);
|
|
|
|
typedef nsresult (*LoadFuncPtr)();
|
|
typedef void (*UnloadFuncPtr)();
|
|
|
|
/**
|
|
* The constructor callback is an implementation detail of the default binary
|
|
* loader and may be null.
|
|
*/
|
|
struct CIDEntry
|
|
{
|
|
const nsCID* cid;
|
|
bool service;
|
|
GetFactoryProcPtr getFactoryProc;
|
|
ConstructorProcPtr constructorProc;
|
|
};
|
|
|
|
struct ContractIDEntry
|
|
{
|
|
const char* contractid;
|
|
nsID const * cid;
|
|
};
|
|
|
|
struct CategoryEntry
|
|
{
|
|
const char* category;
|
|
const char* entry;
|
|
const char* value;
|
|
};
|
|
|
|
/**
|
|
* Binary compatibility check, should be kModuleVersion.
|
|
*/
|
|
unsigned int mVersion;
|
|
|
|
/**
|
|
* An array of CIDs (class IDs) implemented by this module. The final entry
|
|
* should be { NULL }.
|
|
*/
|
|
const CIDEntry* mCIDs;
|
|
|
|
/**
|
|
* An array of mappings from contractid to CID. The final entry should
|
|
* be { NULL }.
|
|
*/
|
|
const ContractIDEntry* mContractIDs;
|
|
|
|
/**
|
|
* An array of category manager entries. The final entry should be
|
|
* { NULL }.
|
|
*/
|
|
const CategoryEntry* mCategoryEntries;
|
|
|
|
/**
|
|
* When the component manager tries to get the factory for a CID, it first
|
|
* checks for this module-level getfactory callback. If this function is
|
|
* not implemented, it checks the CIDEntry getfactory callback. If that is
|
|
* also NULL, a generic factory is generated using the CIDEntry constructor
|
|
* callback which must be non-NULL.
|
|
*/
|
|
GetFactoryProcPtr getFactoryProc;
|
|
|
|
/**
|
|
* Optional Function which are called when this module is loaded and
|
|
* at shutdown. These are not C++ constructor/destructors to avoid
|
|
* calling them too early in startup or too late in shutdown.
|
|
*/
|
|
LoadFuncPtr loadProc;
|
|
UnloadFuncPtr unloadProc;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
#if defined(XPCOM_TRANSLATE_NSGM_ENTRY_POINT)
|
|
# define NSMODULE_NAME(_name) _name##_NSModule
|
|
# define NSMODULE_DECL(_name) extern mozilla::Module const *const NSMODULE_NAME(_name)
|
|
# define NSMODULE_DEFN(_name) NSMODULE_DECL(_name)
|
|
#else
|
|
# define NSMODULE_NAME(_name) NSModule
|
|
# define NSMODULE_DEFN(_name) extern "C" NS_EXPORT mozilla::Module const *const NSModule
|
|
#endif
|
|
|
|
#endif // mozilla_Module_h
|