109 lines
4.3 KiB
C++
109 lines
4.3 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 __INSTANCEBASE_H__
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#define __INSTANCEBASE_H__
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#include "nsplugin.h"
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/*******************************************************************
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*
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* CPluginInstance class is the class for all our plugins our plugin
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* instances. This is abstract class, platform specific method are
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* to be implemented in derived class for a specific platform.
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*
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********************************************************************/
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class CPluginInstance : public nsIPluginInstance
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{
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public:
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NS_DECL_ISUPPORTS
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// (Corresponds to NPP_HandleEvent.)
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// Note that for Unix and Mac the nsPluginEvent structure is different
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// from the old NPEvent structure -- it's no longer the native event
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// record, but is instead a struct. This was done for future extensibility,
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// and so that the Mac could receive the window argument too. For Windows
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// and OS2, it's always been a struct, so there's no change for them.
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NS_IMETHOD HandleEvent(nsPluginEvent* event, PRBool* handled);
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NS_IMETHOD Initialize(nsIPluginInstancePeer* peer);
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NS_IMETHOD GetPeer(nsIPluginInstancePeer* *result);
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// This method is called when the plugin instance is to be started.
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// This happens in two circumstances: (1) after the plugin instance
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// is first initialized, and (2) after a plugin instance is returned to
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// (e.g. by going back in the window history) after previously being stopped
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// by the Stop method.
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NS_IMETHOD Start();
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// This method is called when the plugin instance is to be stopped (e.g. by
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// displaying another plugin manager window, causing the page containing
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// the plugin to become removed from the display).
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NS_IMETHOD Stop();
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// This is called once, before the plugin instance peer is to be
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// destroyed. This method is used to destroy the plugin instance.
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NS_IMETHOD Destroy();
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// (Corresponds to NPP_SetWindow.)
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NS_IMETHOD SetWindow(nsPluginWindow* window);
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NS_IMETHOD NewStream(nsIPluginStreamListener** result);
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NS_IMETHOD Print(nsPluginPrint* platformPrint);
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NS_IMETHOD GetValue(nsPluginInstanceVariable variable, void *value);
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CPluginInstance();
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virtual ~CPluginInstance();
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// Platrorm specific methods, which need to be implemented in the derived class
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virtual nsresult PlatformNew() = 0;
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virtual nsresult PlatformDestroy() = 0;
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virtual nsresult PlatformSetWindow(nsPluginWindow* window) = 0;
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virtual PRInt16 PlatformHandleEvent(nsPluginEvent* event) = 0;
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protected:
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nsIPluginInstancePeer* fPeer;
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nsPluginWindow* fWindow;
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nsPluginMode fMode;
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};
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CPluginInstance * Platform_CreatePluginInstance(nsISupports *aOuter, REFNSIID aIID, const char* aPluginMIMEType);
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#endif
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