accessible/src/html/nsHTMLImageMapAccessible.h
author David Anderson <danderson@mozilla.com>
Fri, 13 Aug 2010 17:43:50 -0700
changeset 53425 1adc07855872c54c586a2389993f9f0e5bb20c9a
parent 43504 117fe7a234ccc906a47189687c8da54d3bd9a071
child 50861 3900417b95945382294de605301371837f58ae28
permissions -rw-r--r--
[JAEGER] Fixed assert-botch from bug 586886.

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * Contributor(s):
 *   Aaron Leventhal <aaronl@netscape.com> (original author)
 *   Alexander Surkov <surkov.alexander@gmail.com>
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#ifndef _nsHTMLAreaAccessible_H_
#define _nsHTMLAreaAccessible_H_

#include "nsHTMLLinkAccessible.h"
#include "nsHTMLImageAccessibleWrap.h"

#include "nsIDOMHTMLMapElement.h"

/**
 * Used for HTML image maps.
 */
class nsHTMLImageMapAccessible : public nsHTMLImageAccessibleWrap
{
public:
  nsHTMLImageMapAccessible(nsIContent *aContent, nsIWeakReference *aShell,
                           nsIDOMHTMLMapElement *aMapElm);

  // nsISupports and cycle collector
  NS_DECL_ISUPPORTS_INHERITED

  // nsIAccessibleHyperLink
  NS_IMETHOD GetAnchorCount(PRInt32 *aAnchorCount);
  NS_IMETHOD GetURI(PRInt32 aIndex, nsIURI **aURI);
  NS_IMETHOD GetAnchor(PRInt32 aIndex, nsIAccessible **aAccessible);

  // nsAccessible
  virtual nsresult GetRoleInternal(PRUint32 *aRole);

protected:

  // nsAccessible
  virtual void CacheChildren();

private:
  // Reference on linked map element if any.
  nsCOMPtr<nsIDOMHTMLMapElement> mMapElement;
};


/**
 * Accessible for image map areas - must be child of image.
 */
class nsHTMLAreaAccessible : public nsHTMLLinkAccessible
{

public:
  nsHTMLAreaAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  // nsIAccessible
  NS_IMETHOD GetDescription(nsAString& aDescription);

  NS_IMETHOD GetBounds(PRInt32 *x, PRInt32 *y, PRInt32 *width, PRInt32 *height);

  // nsAccessible
  virtual nsresult GetNameInternal(nsAString& aName);
  virtual nsresult GetStateInternal(PRUint32 *aState, PRUint32 *aExtraState);
  virtual nsresult GetChildAtPoint(PRInt32 aX, PRInt32 aY,
                                   PRBool aDeepestChild,
                                   nsIAccessible **aChild);

protected:

  // nsAccessible
  virtual void CacheChildren();
};

#endif