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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** 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 of 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 ***** */
-
- #ifndef nsIScriptObjectOwner_h__
- #define nsIScriptObjectOwner_h__
-
- #include "nsISupports.h"
- #include "nsIScriptContext.h"
- #include "nsAString.h"
-
- #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:
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCRIPTOBJECTOWNER_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;
- };
-
- class nsIAtom;
-
- #define NS_ISCRIPTEVENTHANDLEROWNER_IID \
- { /* 2ad54ae0-a839-11d3-ba97-00104ba02d3d */ \
- 0x2ad54ae0, 0xa839, 0x11d3, \
- {0xba, 0x97, 0x00, 0x10, 0x4b, 0xa0, 0x2d, 0x3d} }
-
- /**
- * Associate a compiled event handler with its target object, which owns it
- * This is an adjunct to nsIScriptObjectOwner that nsIEventListenerManager's
- * implementation queries for, in order to avoid recompiling a recurrent or
- * prototype-inherited event handler.
- */
- class nsIScriptEventHandlerOwner : public nsISupports
- {
- public:
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCRIPTEVENTHANDLEROWNER_IID)
-
- /**
- * Compile the specified event handler, and bind it to aTarget using
- * aContext.
- *
- * @param aContext the context to use when creating event handler
- * @param aTarget the object to which to bind the event handler
- * @param aName the name of the handler
- * @param aBody the handler script body
- * @param aURL the URL or filename for error messages
- * @param aLineNo the starting line number of the script for error messages
- * @param aHandler the compiled, bound handler object
- */
- virtual nsresult CompileEventHandler(nsIScriptContext* aContext,
- void* aTarget,
- nsIAtom *aName,
- const nsAString& aBody,
- const char* aURL,
- PRUint32 aLineNo,
- void** aHandler) = 0;
-
- /**
- * Retrieve an already-compiled event handler that can be bound to a
- * target object using a script context.
- *
- * @param aName the name of the event handler to retrieve
- * @param aHandler the compiled event handler
- */
- virtual nsresult GetCompiledEventHandler(nsIAtom *aName,
- void** aHandler) = 0;
- };
-
- #endif // nsIScriptObjectOwner_h__
-