gecko-dev/dom/base/nsIJSEventListener.h

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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
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*
* 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/
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*
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* License.
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*
* 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.
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*
* Contributor(s):
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* 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
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIJSEventListener_h__
#define nsIJSEventListener_h__
#include "nsIScriptContext.h"
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class nsIScriptObjectOwner;
class nsIDOMEventListener;
class nsIAtom;
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#define NS_IJSEVENTLISTENER_IID \
{ 0xa6cf9118, 0x15b3, 0x11d2, \
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{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
// Implemented by script event listeners. Used to retrieve the
// script object corresponding to the event target.
// (Note this interface is now used to store script objects for all
// script languages, so is no longer JS specific)
class nsIJSEventListener : public nsISupports
{
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public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IJSEVENTLISTENER_IID)
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nsIJSEventListener(nsIScriptContext *aContext, void *aScopeObject,
nsISupports *aTarget)
: mContext(aContext), mScopeObject(aScopeObject),
mTarget(do_QueryInterface(aTarget))
{
}
nsIScriptContext *GetEventContext()
{
return mContext;
}
nsISupports *GetEventTarget()
{
return mTarget;
}
void *GetEventScope()
{
return mScopeObject;
}
virtual void SetEventName(nsIAtom* aName) = 0;
protected:
virtual ~nsIJSEventListener()
{
}
nsCOMPtr<nsIScriptContext> mContext;
void *mScopeObject;
nsCOMPtr<nsISupports> mTarget;
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};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIJSEventListener, NS_IJSEVENTLISTENER_IID)
/* factory function */
nsresult NS_NewJSEventListener(nsIScriptContext *aContext,
void *aScopeObject, nsISupports *aObject,
nsIDOMEventListener **aReturn);
#endif // nsIJSEventListener_h__