pluginbase.h
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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__