gecko-dev/dom/public/nsIScriptContext.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsIScriptContext_h__
#define nsIScriptContext_h__
#include "nscore.h"
#include "nsISupports.h"
#include "jsapi.h"
class nsIWebWidget;
#define NS_ISCRIPTCONTEXT_IID \
{ /* 8f6bca7d-ce42-11d1-b724-00600891d8c9 */ \
0x8f6bca7d, 0xce42, 0x11d1, \
{0xb7, 0x24, 0x00, 0x60, 0x08, 0x91, 0xd8, 0xc9} }
/**
* It is used by the application to initialize a runtime and run scripts.
* A script runtime would implement this interface.
* <P><I>It does have a bit too much java script information now, that
* should be removed in a short time. Ideally this interface will be
* language neutral</I>
*/
class nsIScriptContext : public nsISupports {
public:
/**
* Execute a script.
*
* @param aScript a string representing the script to be executed
* @param aScriptSize the length of aScript
* @param aRetValue return value
*
* @return true if the script was valid and got executed
*
**/
virtual PRBool EvaluateString(const char *aScript,
PRUint32 aScriptSize,
jsval *aRetValue) = 0;
/**
* Return the global object.
*
**/
virtual JSObject* GetGlobalObject() = 0;
/**
* Return the JSContext
*
**/
virtual JSContext* GetContext() = 0;
/**
* Init all DOM classes.
*
**/
virtual nsresult InitAllClasses() = 0;
/**
* Init this context.
* <P>
* <I> The dependency with nsIWebWidget will disappear soon. A more general "global object"
* interface should be defined. nsIWebWidget is too specific.</I>
*
* @param aGlobalObject the gobal object
*
* @return NS_OK if context initialization was successful
*
**/
virtual nsresult InitContext(nsIWebWidget *aGlobalObject) = 0;
};
/**
* Return a new Context
*
*/
extern "C" NS_DOM NS_CreateContext(nsIWebWidget *aGlobal, nsIScriptContext **aContext);
#endif // nsIScriptContext_h__