184 lines
5.5 KiB
C++
184 lines
5.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef ns4xPlugin_h__
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#define ns4xPlugin_h__
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#include "nsplugin.h"
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#include "prlink.h" // for PRLibrary
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#include "npupp.h"
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#include "nsPluginHostImpl.h"
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////////////////////////////////////////////////////////////////////////
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/*
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* Use this macro before each exported function
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* (between the return address and the function
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* itself), to ensure that the function has the
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* right calling conventions on Win16.
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*/
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#ifdef XP_OS2
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#define NP_EXPORT _System
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#else
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#define NP_EXPORT
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#endif
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#if defined(XP_WIN)
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#define NS_4XPLUGIN_CALLBACK(_type, _name) _type (__stdcall * _name)
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#elif defined(XP_OS2)
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#define NS_4XPLUGIN_CALLBACK(_type, _name) _type (_System * _name)
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#else
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#define NS_4XPLUGIN_CALLBACK(_type, _name) _type (* _name)
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#endif
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////////////////////////////////////////////////////////////////////////
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// XXX These are defined in platform specific FE directories right now :-/
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#if defined(XP_WIN) || defined(XP_UNIX) || defined(XP_BEOS) || defined(XP_OS2)
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typedef NS_4XPLUGIN_CALLBACK(NPError, NP_GETENTRYPOINTS) (NPPluginFuncs* pCallbacks);
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typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGININIT) (const NPNetscapeFuncs* pCallbacks);
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typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGINUNIXINIT) (const NPNetscapeFuncs* pCallbacks,NPPluginFuncs* fCallbacks);
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typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGINSHUTDOWN) (void);
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#endif
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#ifdef XP_MAC
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typedef NS_4XPLUGIN_CALLBACK(NPError, NP_PLUGINSHUTDOWN) (void);
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typedef NS_4XPLUGIN_CALLBACK(NPError, NP_MAIN) (NPNetscapeFuncs* nCallbacks, NPPluginFuncs* pCallbacks, NPP_ShutdownUPP* unloadUpp);
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#endif
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class nsIServiceManagerObsolete;
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class nsIMemory;
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////////////////////////////////////////////////////////////////////////
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/**
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* A 5.0 wrapper for a 4.x style plugin.
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*/
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class ns4xPlugin : public nsIPlugin
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{
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public:
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ns4xPlugin(NPPluginFuncs* callbacks, PRLibrary* aLibrary, NP_PLUGINSHUTDOWN aShutdown, nsIServiceManagerObsolete* serviceMgr);
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virtual ~ns4xPlugin(void);
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static void ReleaseStatics();
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NS_DECL_ISUPPORTS
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//nsIFactory interface
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NS_IMETHOD CreateInstance(nsISupports *aOuter,
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REFNSIID aIID,
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void **aResult);
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NS_IMETHOD LockFactory(PRBool aLock);
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//nsIPlugin interface
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/**
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* Creates a new plugin instance, based on a MIME type. This
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* allows different impelementations to be created depending on
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* the specified MIME type.
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*/
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NS_IMETHOD CreatePluginInstance(nsISupports *aOuter, REFNSIID aIID,
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const char* aPluginMIMEType,
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void **aResult);
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NS_IMETHOD
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Initialize(void);
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NS_IMETHOD
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Shutdown(void);
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NS_IMETHOD
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GetMIMEDescription(const char* *resultingDesc);
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NS_IMETHOD
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GetValue(nsPluginVariable variable, void *value);
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////////////////////////////////////////////////////////////////////
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// ns4xPlugin-specific methods
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/**
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* A static factory method for constructing 4.x plugins. Constructs
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* and initializes an ns4xPlugin object, and returns it in
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* <b>result</b>.
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*/
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static nsresult
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CreatePlugin(nsIServiceManagerObsolete* aServiceMgr,
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const char* aFileName,
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const char* aFullPath,
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PRLibrary* aLibrary,
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nsIPlugin** aResult);
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#ifdef XP_MAC
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void
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SetPluginRefNum(short aRefNum);
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#endif
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protected:
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/**
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* Ensures that the static CALLBACKS is properly initialized
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*/
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static void CheckClassInitialized(void);
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#ifdef XP_MAC
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short fPluginRefNum;
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#endif
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/**
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* The plugin-side callbacks that the browser calls. One set of
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* plugin callbacks for each plugin.
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*/
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NPPluginFuncs fCallbacks;
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PRLibrary* fLibrary;
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NP_PLUGINSHUTDOWN fShutdownEntry;
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/**
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* The browser-side callbacks that a 4.x-style plugin calls.
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*/
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static NPNetscapeFuncs CALLBACKS;
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};
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#endif // ns4xPlugin_h__
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