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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
// ==============================
// ! Scriptability related code !
// ==============================
//
/////////////////////////////////////////////////////
//
// This file implements the nsScriptablePeer object
// The native methods of this class are supposed to
// be callable from JavaScript
//
#include "plugin.h"
#include "acmeIScriptObject.h"
#include "npapi.h"
static NS_DEFINE_IID(kI4xScriptablePluginIID, NS_I4XSCRIPTABLEPLUGIN_IID);
static NS_DEFINE_IID(kIClassInfoIID, NS_ICLASSINFO_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
nsScriptablePeer::nsScriptablePeer(CPlugin* aPlugin)
{
mRefCnt = 0;
mPlugin = aPlugin;
mWindow = nsnull;
}
nsScriptablePeer::~nsScriptablePeer()
{
}
// AddRef, Release and QueryInterface are common methods and must
// be implemented for any interface
NS_IMETHODIMP_(nsrefcnt) nsScriptablePeer::AddRef()
{
++mRefCnt;
return mRefCnt;
}
NS_IMETHODIMP_(nsrefcnt) nsScriptablePeer::Release()
{
--mRefCnt;
if (mRefCnt == 0) {
delete this;
return 0;
}
return mRefCnt;
}
// here nsScriptablePeer should return three interfaces it can be asked for by their iid's
// static casts are necessary to ensure that correct pointer is returned
NS_IMETHODIMP nsScriptablePeer::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
if(!aInstancePtr)
return NS_ERROR_NULL_POINTER;
if(aIID.Equals(kI4xScriptablePluginIID)) {
*aInstancePtr = static_cast<nsI4xScriptablePlugin*>(this);
AddRef();
return NS_OK;
}
if(aIID.Equals(kIClassInfoIID)) {
*aInstancePtr = static_cast<nsIClassInfo*>(this);
AddRef();
return NS_OK;
}
if(aIID.Equals(kISupportsIID)) {
*aInstancePtr = static_cast<nsISupports*>(static_cast<nsI4xScriptablePlugin*>(this));
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
//
// the following two methods will be callable from JavaScript
//
NS_IMETHODIMP nsScriptablePeer::ShowVersion()
{
if (mPlugin)
mPlugin->showVersion();
return NS_OK;
}
NS_IMETHODIMP nsScriptablePeer::Clear()
{
if (mPlugin)
mPlugin->clear();
return NS_OK;
}
NS_IMETHODIMP nsScriptablePeer::GetVersion(char * *aVersion)
{
if (mPlugin)
mPlugin->getVersion(aVersion);
return NS_OK;
}
NS_IMETHODIMP nsScriptablePeer::SetWindow(acmeIScriptObject *window)
{
NS_IF_ADDREF(window);
NS_IF_RELEASE(mWindow);
mWindow = window;
// evaluate a JavaScript expression.
acmeIScriptObject* result;
nsresult rv = window->Evaluate("Math.PI", &result);
if (NS_SUCCEEDED(rv) && result) {
double value;
result->ToNumber(&value);
NS_RELEASE(result);
}
// read the current window's location.
acmeIScriptObject* location = nsnull;
rv = window->GetProperty("location", &location);
if (NS_SUCCEEDED(rv) && location) {
char* locationStr = NULL;
rv = location->ToString(&locationStr);
if (NS_SUCCEEDED(rv) && locationStr) {
NPN_MemFree(locationStr);
}
NS_RELEASE(location);
}
return NS_OK;
}
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