gecko-dev/accessible/src/html/nsHTMLTableAccessible.cpp

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 * Contributor(s):
 *   Author: Aaron Leventhal (aaronl@netscape.com)
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#include "nsHTMLTableAccessible.h"
#include "nsIDOMElement.h"

NS_IMPL_ISUPPORTS_INHERITED0(nsHTMLTableCellAccessible, nsBlockAccessible)

nsHTMLTableCellAccessible::nsHTMLTableCellAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsBlockAccessible(aDomNode, aShell)
{ 
}

/* unsigned long getRole (); */
NS_IMETHODIMP nsHTMLTableCellAccessible::GetRole(PRUint32 *aResult)
{
  *aResult = ROLE_CELL;
  return NS_OK;
}

NS_IMETHODIMP nsHTMLTableCellAccessible::GetState(PRUint32 *aResult)
{
  nsAccessible::GetState(aResult);
  *aResult &= ~STATE_FOCUSABLE;   // Inherit all states except focusable state since table cells cannot be focused
  return NS_OK;
}

nsHTMLTableCaptionAccessible::nsHTMLTableCaptionAccessible
(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsAccessibleWrap(aDomNode, aShell)
{
  Init(); // Make sure this generated accessible of the table is cached
}

NS_IMETHODIMP
nsHTMLTableCaptionAccessible::GetState(PRUint32 *aResult)
{
  nsAccessible::GetState(aResult);
  *aResult &= ~STATE_FOCUSABLE;
  return NS_OK;
}

NS_IMETHODIMP
nsHTMLTableCaptionAccessible::GetValue(nsAString& aResult)
{
  aResult.Assign(NS_LITERAL_STRING(""));  // Default name is blank

  nsCOMPtr<nsIContent> captionContent(do_QueryInterface(mDOMNode));
  AppendFlatStringFromSubtree(captionContent, &aResult);

  return NS_OK;
}

NS_IMPL_ISUPPORTS_INHERITED0(nsHTMLTableAccessible, nsBlockAccessible)

nsHTMLTableAccessible::nsHTMLTableAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsBlockAccessible(aDomNode, aShell)
{ 
}

/* unsigned long getRole (); */
NS_IMETHODIMP nsHTMLTableAccessible::GetRole(PRUint32 *aResult)
{
  *aResult = ROLE_TABLE;
  return NS_OK;
}

NS_IMETHODIMP nsHTMLTableAccessible::GetState(PRUint32 *aResult)
{
  nsAccessible::GetState(aResult);
  *aResult &= ~STATE_FOCUSABLE;   // Inherit all states except focusable state since tables cannot be focused
  return NS_OK;
}

NS_IMETHODIMP nsHTMLTableAccessible::GetName(nsAString& aResult)
{
  aResult.Assign(NS_LITERAL_STRING(""));  // Default name is blank

  nsCOMPtr<nsIDOMElement> element(do_QueryInterface(mDOMNode));
  if (element) {
    nsCOMPtr<nsIDOMNodeList> captions;
    element->GetElementsByTagName(NS_LITERAL_STRING("caption"), getter_AddRefs(captions));
    if (captions) {
      nsCOMPtr<nsIDOMNode> captionNode;
      captions->Item(0, getter_AddRefs(captionNode));
      if (captionNode) {
        nsCOMPtr<nsIContent> captionContent(do_QueryInterface(captionNode));
        AppendFlatStringFromSubtree(captionContent, &aResult);
      }
    }
  }
  return NS_OK;
}