/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 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 NPL, 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 NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

//
// nsSplitterFrame
//

#ifndef nsSplitterFrame_h__
#define nsSplitterFrame_h__


#include "nsBoxFrame.h"

class nsISupportsArray;
class nsSplitterFrameInner;

nsresult NS_NewSplitterFrame(nsIPresShell* aPresShell, nsIFrame** aResult) ;

class nsSplitterFrame : public nsBoxFrame
{
public:
  nsSplitterFrame(nsIPresShell* aPresShell);
  virtual ~nsSplitterFrame();

#ifdef DEBUG
  NS_IMETHOD GetFrameName(nsAString& aResult) const {
    return MakeFrameName(NS_LITERAL_STRING("SplitterFrame"), aResult);
  }
#endif


  // nsIFrame overrides
  NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
                              nsIContent* aChild,
                              PRInt32 aNameSpaceID,
                              nsIAtom* aAttribute,
                              PRInt32 aModType, 
                              PRInt32 aHint);

  NS_IMETHOD Init(nsIPresContext*  aPresContext,
                  nsIContent*      aContent,
                  nsIFrame*        aParent,
                  nsIStyleContext* aContext,
                  nsIFrame*        aPrevInFlow);

  NS_IMETHOD GetCursor(nsIPresContext* aPresContext,
                       nsPoint&        aPoint,
                       PRInt32&        aCursor);

  NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState);

  NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr); 
  NS_IMETHOD_(nsrefcnt) AddRef(void) { return NS_OK; }
  NS_IMETHOD_(nsrefcnt) Release(void) { return NS_OK; }

  NS_IMETHOD HandlePress(nsIPresContext* aPresContext,
                         nsGUIEvent *    aEvent,
                         nsEventStatus*  aEventStatus);

  NS_IMETHOD HandleMultiplePress(nsIPresContext* aPresContext,
                         nsGUIEvent *    aEvent,
                         nsEventStatus*  aEventStatus);

  NS_IMETHOD HandleDrag(nsIPresContext* aPresContext,
                        nsGUIEvent *    aEvent,
                        nsEventStatus*  aEventStatus);

  NS_IMETHOD HandleRelease(nsIPresContext* aPresContext,
                           nsGUIEvent *    aEvent,
                           nsEventStatus*  aEventStatus);

  NS_IMETHOD HandleEvent(nsIPresContext* aPresContext, 
                         nsGUIEvent* aEvent,
                         nsEventStatus* aEventStatus);

  NS_IMETHOD GetFrameForPoint(nsIPresContext* aPresContext,
                              const nsPoint& aPoint,
                              nsFramePaintLayer aWhichLayer,    
                              nsIFrame**     aFrame);

  virtual void GetInitialOrientation(PRBool& aIsHorizontal); 

private:

  friend class nsSplitterFrameInner;
  nsSplitterFrameInner* mInner;
  // XXX Hack
  nsIPresContext* mPresContext;  // weak reference

}; // class nsSplitterFrame

#endif