author Timothy Nikkel <>
Sat, 10 Apr 2010 13:03:40 -0500
changeset 40649 02e8391669c3975821e20d9a5485eaa27cf0a39d
parent 38357 704b52b7a02c5322b8e78201b1bc4484b3829a41
child 46338 c39ab74a7da1ee3fed89fd41477df084682e4f26
permissions -rw-r--r--
Bug 505835. nsTreeBodyFrame::ReflowFinished should null check return value of GetBaseElement. r=neil

/* -*- 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
 * 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
 * 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 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 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
 * of those above. If you wish to allow use of your version of this file only
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#ifndef nsGfxButtonControlFrame_h___
#define nsGfxButtonControlFrame_h___

#include "nsFormControlFrame.h"
#include "nsHTMLButtonControlFrame.h"
#include "nsCOMPtr.h"
#include "nsIAnonymousContentCreator.h"

class nsIAccessible;

// Class which implements the input[type=button, reset, submit] and
// browse button for input[type=file].
// The label for button is specified through generated content
// in the ua.css file.

class nsGfxButtonControlFrame : public nsHTMLButtonControlFrame,
                                public nsIAnonymousContentCreator

  nsGfxButtonControlFrame(nsStyleContext* aContext);

  virtual void DestroyFrom(nsIFrame* aDestructRoot);

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

  NS_IMETHOD GetAccessible(nsIAccessible** aAccessible);

  virtual nsIAtom* GetType() const;

#ifdef DEBUG
  NS_IMETHOD GetFrameName(nsAString& aResult) const;


  // nsIAnonymousContentCreator
  virtual nsresult CreateAnonymousContent(nsTArray<nsIContent*>& aElements);
  virtual void AppendAnonymousContentTo(nsBaseContentList& aElements);
  virtual nsIFrame* CreateFrameFor(nsIContent* aContent);

  // nsIFormControlFrame
  virtual nsresult GetFormProperty(nsIAtom* aName, nsAString& aValue) const; 

  NS_IMETHOD AttributeChanged(PRInt32         aNameSpaceID,
                              nsIAtom*        aAttribute,
                              PRInt32         aModType);

  virtual PRBool IsLeaf() const;

  virtual nsIFrame* GetContentInsertionFrame();

  nsresult GetDefaultLabel(nsXPIDLString& aLabel);

  nsresult GetLabel(nsXPIDLString& aLabel);

  PRBool IsFileBrowseButton(PRInt32 type); // Browse button of file input

  virtual PRBool IsInput() { return PR_TRUE; }
  nsSize mSuggestedSize;
  nsCOMPtr<nsIContent> mTextContent;