/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#ifndef nsButtonControlFrame_h___
#define nsButtonControlFrame_h___

#include "nsFormControlFrame.h"
#include "nsHTMLImage.h"
class nsFileControlFrame;

class nsButtonControlFrame : public nsFormControlFrame {
public:
  nsButtonControlFrame(nsIContent* aContent, nsIFrame* aParentFrame);

  NS_IMETHOD Paint(nsIPresContext& aPresContext,
                  nsIRenderingContext& aRenderingContext,
                  const nsRect& aDirtyRect);

  NS_IMETHOD Reflow(nsIPresContext&          aPresContext,
                    nsHTMLReflowMetrics&     aDesiredSize,
                    const nsHTMLReflowState& aReflowState,
                    nsReflowStatus&          aStatus);

  virtual void PostCreateWidget(nsIPresContext* aPresContext,
                                nscoord& aWidth,
                                nscoord& aHeight);

  virtual void MouseClicked(nsIPresContext* aPresContext);

  virtual const nsIID& GetCID();

  virtual const nsIID& GetIID();

  virtual nscoord GetVerticalBorderWidth(float aPixToTwip) const;
  virtual nscoord GetHorizontalBorderWidth(float aPixToTwip) const;
  virtual nscoord GetVerticalInsidePadding(float aPixToTwip,
                                           nscoord aInnerHeight) const;
  virtual nscoord GetHorizontalInsidePadding(nsIPresContext& aPresContext,
                                             float aPixToTwip, 
                                             nscoord aInnerWidth,
                                             nscoord aCharWidth) const;
  nsFileControlFrame* GetFileControlFrame() { return mFileControlFrame; }
  void SetFileControlFrame(nsFileControlFrame* aFrame) { mFileControlFrame = aFrame; }
  void GetDefaultLabel(nsString& aLabel);

  PRBool IsSuccessful(nsIFormControlFrame* aSubmitter);
  virtual PRInt32 GetMaxNumValues();

  virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
                                nsString* aValues, nsString* aNames);

protected:
  virtual  ~nsButtonControlFrame();

  virtual void GetDesiredSize(nsIPresContext* aPresContext,
                              const nsHTMLReflowState& aReflowState,
                              nsHTMLReflowMetrics& aDesiredLayoutSize,
                              nsSize& aDesiredWidgetSize);

  nsHTMLImageLoader   mImageLoader;
  nsFileControlFrame* mFileControlFrame; // for browse buttons only
};


#endif