ccarlen%netscape.com 5f866fa0f5 Bug 77231 - find plugins using directory service. r=av/sr=waterson
git-svn-id: svn://10.0.0.236/trunk@108378 18797224-902f-48f8-a5cc-f745e15eee43
2001-11-17 15:26:02 +00:00

184 lines
5.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998
* 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 NPL, 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 NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef ns4xPlugin_h__
#define ns4xPlugin_h__
#include "nsplugin.h"
#include "prlink.h" // for PRLibrary
#include "npupp.h"
#include "nsPluginHostImpl.h"
////////////////////////////////////////////////////////////////////////
/*
* Use this macro before each exported function
* (between the return address and the function
* itself), to ensure that the function has the
* right calling conventions on Win16.
*/
#ifdef XP_OS2
#define NP_EXPORT _System
#else
#define NP_EXPORT
#endif
#if defined(XP_WIN)
#define NS_4XPLUGIN_CALLBACK(_type, _name) _type (__stdcall * _name)
#elif defined(XP_OS2)
#define NS_4XPLUGIN_CALLBACK(_type, _name) _type (_System * _name)
#else
#define NS_4XPLUGIN_CALLBACK(_type, _name) _type (* _name)
#endif
////////////////////////////////////////////////////////////////////////
// XXX These are defined in platform specific FE directories right now :-/
#if defined(XP_WIN) || defined(XP_UNIX) || defined(XP_BEOS) || defined(XP_OS2)
typedef NS_4XPLUGIN_CALLBACK(NPError, NP_GETENTRYPOINTS) (NPPluginFuncs* pCallbacks);
typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGININIT) (const NPNetscapeFuncs* pCallbacks);
typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGINUNIXINIT) (const NPNetscapeFuncs* pCallbacks,NPPluginFuncs* fCallbacks);
typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGINSHUTDOWN) (void);
#endif
#ifdef XP_MAC
typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGINSHUTDOWN) (void);
typedef NS_4XPLUGIN_CALLBACK(NPError, NP_MAIN) (NPNetscapeFuncs* nCallbacks, NPPluginFuncs* pCallbacks, NPP_ShutdownUPP* unloadUpp);
#endif
class nsIServiceManagerObsolete;
class nsIMemory;
////////////////////////////////////////////////////////////////////////
/**
* A 5.0 wrapper for a 4.x style plugin.
*/
class ns4xPlugin : public nsIPlugin
{
public:
ns4xPlugin(NPPluginFuncs* callbacks, PRLibrary* aLibrary, NP_PLUGINSHUTDOWN aShutdown, nsIServiceManagerObsolete* serviceMgr);
virtual ~ns4xPlugin(void);
static void ReleaseStatics();
NS_DECL_ISUPPORTS
//nsIFactory interface
NS_IMETHOD CreateInstance(nsISupports *aOuter,
REFNSIID aIID,
void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
//nsIPlugin interface
/**
* Creates a new plugin instance, based on a MIME type. This
* allows different impelementations to be created depending on
* the specified MIME type.
*/
NS_IMETHOD CreatePluginInstance(nsISupports *aOuter, REFNSIID aIID,
const char* aPluginMIMEType,
void **aResult);
NS_IMETHOD
Initialize(void);
NS_IMETHOD
Shutdown(void);
NS_IMETHOD
GetMIMEDescription(const char* *resultingDesc);
NS_IMETHOD
GetValue(nsPluginVariable variable, void *value);
////////////////////////////////////////////////////////////////////
// ns4xPlugin-specific methods
/**
* A static factory method for constructing 4.x plugins. Constructs
* and initializes an ns4xPlugin object, and returns it in
* <b>result</b>.
*/
static nsresult
CreatePlugin(nsIServiceManagerObsolete* aServiceMgr,
const char* aFileName,
const char* aFullPath,
PRLibrary* aLibrary,
nsIPlugin** aResult);
#ifdef XP_MAC
void
SetPluginRefNum(short aRefNum);
#endif
protected:
/**
* Ensures that the static CALLBACKS is properly initialized
*/
static void CheckClassInitialized(void);
#ifdef XP_MAC
short fPluginRefNum;
#endif
/**
* The plugin-side callbacks that the browser calls. One set of
* plugin callbacks for each plugin.
*/
NPPluginFuncs fCallbacks;
PRLibrary* fLibrary;
NP_PLUGINSHUTDOWN fShutdownEntry;
/**
* The browser-side callbacks that a 4.x-style plugin calls.
*/
static NPNetscapeFuncs CALLBACKS;
};
#endif // ns4xPlugin_h__