gecko/widget/public/nsIRollupListener.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * 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
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 * The Original Code is the Mozilla browser.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Rod Spears <rods@netscape.com>
 *   Stuart Parmenter <pavlov@netscape.com>
 *   Dean Tessman <dean_tessman@hotmail.com>
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#ifndef __nsIRollupListener_h__
#define __nsIRollupListener_h__

class nsIContent;

class nsIRollupListener {
 public: 

  /**
   * Notifies the object to rollup, optionally returning the node that
   * was just rolled up.
   *
   * aCount is the number of popups in a chain to close. If this is
   * PR_UINT32_MAX, then all popups are closed.
   */
  NS_IMETHOD Rollup(PRUint32 aCount, nsIContent **aContent) = 0;

  /**
   * Asks the RollupListener if it should rollup on mousevents
   */
  NS_IMETHOD ShouldRollupOnMouseWheelEvent(PRBool *aShould) = 0;

  /**
   * Asks the RollupListener if it should rollup on mouse activate, eg. X-Mouse
   */
  NS_IMETHOD ShouldRollupOnMouseActivate(PRBool *aShould) = 0;

};

#endif /* __nsIRollupListener_h__ */