forked from mirrors/gecko-dev
132 lines
3.8 KiB
C++
132 lines
3.8 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: 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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// ==============================
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// ! Scriptability related code !
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// ==============================
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/////////////////////////////////////////////////////
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//
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// This file implements the nsScriptablePeer object
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// The native methods of this class are supposed to
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// be callable from JavaScript
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//
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#include "plugin.h"
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static NS_DEFINE_IID(kIScriptableIID, NS_ISCRIPTABLEPLUGINSAMPLE_IID);
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static NS_DEFINE_IID(kIClassInfoIID, NS_ICLASSINFO_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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nsScriptablePeer::nsScriptablePeer(nsPluginInstance* aPlugin)
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{
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mPlugin = aPlugin;
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mRefCnt = 0;
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}
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nsScriptablePeer::~nsScriptablePeer()
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{
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}
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// AddRef, Release and QueryInterface are common methods and must
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// be implemented for any interface
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NS_IMETHODIMP_(nsrefcnt) nsScriptablePeer::AddRef()
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{
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++mRefCnt;
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return mRefCnt;
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}
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NS_IMETHODIMP_(nsrefcnt) nsScriptablePeer::Release()
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{
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--mRefCnt;
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if (mRefCnt == 0) {
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delete this;
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return 0;
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}
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return mRefCnt;
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}
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// here nsScriptablePeer should return three interfaces it can be asked for by their iid's
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// static casts are necessary to ensure that correct pointer is returned
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NS_IMETHODIMP nsScriptablePeer::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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if(!aInstancePtr)
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return NS_ERROR_NULL_POINTER;
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if(aIID.Equals(kIScriptableIID)) {
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*aInstancePtr = static_cast<nsIScriptablePluginSample*>(this);
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AddRef();
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return NS_OK;
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}
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if(aIID.Equals(kIClassInfoIID)) {
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*aInstancePtr = static_cast<nsIClassInfo*>(this);
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AddRef();
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return NS_OK;
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}
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if(aIID.Equals(kISupportsIID)) {
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*aInstancePtr = static_cast<nsISupports*>(static_cast<nsIScriptablePluginSample*>(this));
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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void nsScriptablePeer::SetInstance(nsPluginInstance* plugin)
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{
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mPlugin = plugin;
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}
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//
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// the following methods will be callable from JavaScript
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//
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NS_IMETHODIMP nsScriptablePeer::ShowVersion()
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{
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if (mPlugin)
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mPlugin->showVersion();
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return NS_OK;
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}
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NS_IMETHODIMP nsScriptablePeer::Clear()
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{
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if (mPlugin)
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mPlugin->clear();
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return NS_OK;
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}
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