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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 __PLUGININSTANCEBASE_H__
#define __PLUGININSTANCEBASE_H__
#include "npplat.h"
struct nsPluginCreateData
{
NPP instance;
NPMIMEType type;
uint16 mode;
int16 argc;
char** argn;
char** argv;
NPSavedData* saved;
};
class nsPluginInstanceBase
{
public:
// these three methods must be implemented in the derived
// class platform specific way
virtual NPBool init(NPWindow* aWindow) = 0;
virtual void shut() = 0;
virtual NPBool isInitialized() = 0;
// implement all or part of those methods in the derived
// class as needed
virtual NPError SetWindow(NPWindow* pNPWindow) { return NPERR_NO_ERROR; }
virtual NPError NewStream(NPMIMEType type, NPStream* stream,
NPBool seekable, uint16* stype) { return NPERR_NO_ERROR; }
virtual NPError DestroyStream(NPStream *stream, NPError reason) { return NPERR_NO_ERROR; }
virtual void StreamAsFile(NPStream* stream, const char* fname) { return; }
virtual int32 WriteReady(NPStream *stream) { return 0x0fffffff; }
virtual int32 Write(NPStream *stream, int32 offset,
int32 len, void *buffer) { return len; }
virtual void Print(NPPrint* printInfo) { return; }
virtual uint16 HandleEvent(void* event) { return 0; }
virtual void URLNotify(const char* url, NPReason reason,
void* notifyData) { return; }
virtual NPError GetValue(NPPVariable variable, void *value) { return NPERR_NO_ERROR; }
virtual NPError SetValue(NPNVariable variable, void *value) { return NPERR_NO_ERROR; }
};
// functions that should be implemented for each specific plugin
// creation and destruction of the object of the derived class
nsPluginInstanceBase * NS_NewPluginInstance(nsPluginCreateData * aCreateDataStruct);
void NS_DestroyPluginInstance(nsPluginInstanceBase * aPlugin);
// global plugin initialization and shutdown
NPError NS_PluginInitialize();
void NS_PluginShutdown();
#ifdef XP_UNIX
// global to get plugins name & description
NPError NS_PluginGetValue(NPPVariable aVariable, void *aValue);
#endif
#endif // __PLUGININSTANCEBASE_H__
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