mirror of
https://github.com/rn10950/RetroZilla.git
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138 lines
5.3 KiB
C++
138 lines
5.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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#ifndef nsIScriptObjectOwner_h__
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#define nsIScriptObjectOwner_h__
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#include "nsISupports.h"
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#include "nsIScriptContext.h"
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#include "nsAString.h"
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#define NS_ISCRIPTOBJECTOWNER_IID \
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{ /* 8f6bca7e-ce42-11d1-b724-00600891d8c9 */ \
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0x8f6bca7e, 0xce42, 0x11d1, \
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{0xb7, 0x24, 0x00, 0x60, 0x08, 0x91, 0xd8, 0xc9} } \
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/**
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* Creates a link between the script object and its native implementation
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*<P>
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* Every object that wants to be exposed in a script environment should
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* implement this interface. This interface should guarantee that the same
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* script object is returned in the context of the same script.
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* <P><I>It does have a bit too much java script information now, that
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* should be removed in a short time. Ideally this interface will be
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* language neutral</I>
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*/
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class nsIScriptObjectOwner : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCRIPTOBJECTOWNER_IID)
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/**
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* Return the script object associated with this object.
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* Create a script object if not present.
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*
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* @param aContext the context the script object has to be created in
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* @param aScriptObject on return will contain the script object
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*
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* @return nsresult NS_OK if the script object is successfully returned
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*
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**/
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NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject) = 0;
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/**
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* Set the script object associated with this object.
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* Often used to either reset the object to null or initially
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* set it in cases where the object comes before the owner.
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*
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* @param aScriptObject the script object to set
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*
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* @return nsresult NS_OK if the script object is successfully set
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*
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**/
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NS_IMETHOD SetScriptObject(void* aScriptObject) = 0;
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};
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class nsIAtom;
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#define NS_ISCRIPTEVENTHANDLEROWNER_IID \
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{ /* 2ad54ae0-a839-11d3-ba97-00104ba02d3d */ \
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0x2ad54ae0, 0xa839, 0x11d3, \
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{0xba, 0x97, 0x00, 0x10, 0x4b, 0xa0, 0x2d, 0x3d} }
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/**
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* Associate a compiled event handler with its target object, which owns it
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* This is an adjunct to nsIScriptObjectOwner that nsIEventListenerManager's
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* implementation queries for, in order to avoid recompiling a recurrent or
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* prototype-inherited event handler.
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*/
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class nsIScriptEventHandlerOwner : public nsISupports
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{
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCRIPTEVENTHANDLEROWNER_IID)
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/**
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* Compile the specified event handler, and bind it to aTarget using
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* aContext.
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*
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* @param aContext the context to use when creating event handler
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* @param aTarget the object to which to bind the event handler
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* @param aName the name of the handler
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* @param aBody the handler script body
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* @param aURL the URL or filename for error messages
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* @param aLineNo the starting line number of the script for error messages
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* @param aHandler the compiled, bound handler object
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*/
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virtual nsresult CompileEventHandler(nsIScriptContext* aContext,
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void* aTarget,
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nsIAtom *aName,
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const nsAString& aBody,
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const char* aURL,
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PRUint32 aLineNo,
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void** aHandler) = 0;
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/**
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* Retrieve an already-compiled event handler that can be bound to a
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* target object using a script context.
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*
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* @param aName the name of the event handler to retrieve
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* @param aHandler the compiled event handler
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*/
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virtual nsresult GetCompiledEventHandler(nsIAtom *aName,
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void** aHandler) = 0;
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};
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#endif // nsIScriptObjectOwner_h__
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