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97 lines
3.9 KiB
C++
97 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 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 Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef pluginbase_h_
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#define pluginbase_h_
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#include "npplat.h"
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struct nsPluginCreateData
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{
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NPP instance;
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NPMIMEType type;
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uint16 mode;
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int16 argc;
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char** argn;
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char** argv;
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NPSavedData* saved;
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};
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class nsPluginInstanceBase
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{
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public:
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// these three methods must be implemented in the derived
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// class platform specific way
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virtual NPBool init(NPWindow* aWindow) = 0;
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virtual void shut() = 0;
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virtual NPBool isInitialized() = 0;
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// implement all or part of those methods in the derived
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// class as needed
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virtual NPError SetWindow(NPWindow* pNPWindow) { return NPERR_NO_ERROR; }
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virtual NPError NewStream(NPMIMEType type, NPStream* stream,
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NPBool seekable, uint16* stype) { return NPERR_NO_ERROR; }
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virtual NPError DestroyStream(NPStream *stream, NPError reason) { return NPERR_NO_ERROR; }
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virtual void StreamAsFile(NPStream* stream, const char* fname) { return; }
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virtual int32 WriteReady(NPStream *stream) { return 0x0fffffff; }
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virtual int32 Write(NPStream *stream, int32 offset,
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int32 len, void *buffer) { return len; }
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virtual void Print(NPPrint* printInfo) { return; }
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virtual uint16 HandleEvent(void* event) { return 0; }
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virtual void URLNotify(const char* url, NPReason reason,
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void* notifyData) { return; }
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virtual NPError GetValue(NPPVariable variable, void *value) { return NPERR_NO_ERROR; }
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virtual NPError SetValue(NPNVariable variable, void *value) { return NPERR_NO_ERROR; }
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};
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// functions that should be implemented for each specific plugin
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// creation and destruction of the object of the derived class
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nsPluginInstanceBase * NS_NewPluginInstance(nsPluginCreateData * aCreateDataStruct);
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void NS_DestroyPluginInstance(nsPluginInstanceBase * aPlugin);
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// global plugin initialization and shutdown
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NPError NS_PluginInitialize();
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void NS_PluginShutdown();
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#ifdef XP_UNIX
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// global to get plugins name & description
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NPError NS_PluginGetValue(NPPVariable aVariable, void *aValue);
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#endif
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#endif // pluginbase_h_
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