layout/forms/nsGfxButtonControlFrame.h
author Alexander Surkov <surkov.alexander@gmail.com>
Sat, 16 Oct 2010 00:34:35 +0900
changeset 55877 16ef018faad175c87a1557fbc4779f87d66a1dba
parent 46338 c39ab74a7da1ee3fed89fd41477df084682e4f26
child 69323 c13b634ef7aa26f9ce530b9e46d7f96ba3de050a
permissions -rw-r--r--
Bug 604386 - Prune placeholder from text children, r=davidb, sr=bz, a=blocking

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#ifndef nsGfxButtonControlFrame_h___
#define nsGfxButtonControlFrame_h___

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

#ifdef ACCESSIBILITY
class nsIAccessible;
#endif

// 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
{
public:
  NS_DECL_FRAMEARENA_HELPERS

  nsGfxButtonControlFrame(nsStyleContext* aContext);

  virtual void DestroyFrom(nsIFrame* aDestructRoot);

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

  virtual nsIAtom* GetType() const;

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

  NS_DECL_QUERYFRAME

  // nsIAnonymousContentCreator
  virtual nsresult CreateAnonymousContent(nsTArray<nsIContent*>& aElements);
  virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
                                        PRUint32 aFilter);
  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();

protected:
  nsresult GetDefaultLabel(nsXPIDLString& aLabel);

  nsresult GetLabel(nsXPIDLString& aLabel);

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

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


#endif