gecko-dev/dom/public/nsIScriptObjectOwner.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 nsIScriptObjectOwner_h__
#define nsIScriptObjectOwner_h__
#include "nscore.h"
#include "nsISupports.h"
#include "nsIScriptContext.h"
class nsIScriptContext;
#define NS_ISCRIPTOBJECTOWNER_IID \
{ /* 8f6bca7e-ce42-11d1-b724-00600891d8c9 */ \
0x8f6bca7e, 0xce42, 0x11d1, \
{0xb7, 0x24, 0x00, 0x60, 0x08, 0x91, 0xd8, 0xc9} } \
/**
* Creates a link between the script object and its native implementation
*<P>
* Every object that wants to be exposed in a script environment should
* implement this interface. This interface should guarantee that the same
* script object is returned in the context of the same script.
* <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 nsIScriptObjectOwner : public nsISupports {
public:
static const nsIID& GetIID() { static nsIID iid = NS_ISCRIPTOBJECTOWNER_IID; return iid; }
/**
* Return the script object associated with this object.
* Create a script object if not present.
*
* @param aContext the context the script object has to be created in
* @param aScriptObject on return will contain the script object
*
* @return nsresult NS_OK if the script object is successfully returned
*
**/
NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject) = 0;
/**
* Set the script object associated with this object.
* Often used to either reset the object to null or initially
* set it in cases where the object comes before the owner.
*
* @param aScriptObject the script object to set
*
* @return nsresult NS_OK if the script object is successfully set
*
**/
NS_IMETHOD SetScriptObject(void* aScriptObject) = 0;
};
#endif // nsIScriptObjectOwner_h__