accessible/src/xforms/nsXFormsWidgetsAccessible.cpp
author Michael Wu <mwu@mozilla.com>
Wed, 28 Sep 2011 23:19:26 -0700
changeset 79445 e7854b4d29ba905ae3994f821b160c989bac4260
parent 74781 be4b064f11599a88f6c7a6ccaaa14abfe32eea5f
child 87094 0ef29ddd07e54d636e64586bc09130e1f315a3e9
child 112094 cad26d2fb5af799dfe030fd2a8948d617eac2f52
permissions -rw-r--r--
Bug 675553 - Switch from PRBool to bool on a CLOSED TREE , r=bsmedberg,khuey,bz,cjones

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 *   Alexander Surkov <surkov.alexander@gmail.com> (original author)
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#include "nsXFormsWidgetsAccessible.h"

#include "States.h"

using namespace mozilla::a11y;

////////////////////////////////////////////////////////////////////////////////
// nsXFormsDropmarkerWidgetAccessible
////////////////////////////////////////////////////////////////////////////////

nsXFormsDropmarkerWidgetAccessible::
  nsXFormsDropmarkerWidgetAccessible(nsIContent *aContent,
                                     nsIWeakReference *aShell) :
  nsLeafAccessible(aContent, aShell)
{
}

PRUint32
nsXFormsDropmarkerWidgetAccessible::NativeRole()
{
  return nsIAccessibleRole::ROLE_PUSHBUTTON;
}

PRUint64
nsXFormsDropmarkerWidgetAccessible::NativeState()
{
  bool isOpen = false;
  nsCOMPtr<nsIDOMNode> DOMNode(do_QueryInterface(mContent));
  nsresult rv = sXFormsService->IsDropmarkerOpen(DOMNode, &isOpen);
  NS_ENSURE_SUCCESS(rv, 0);

  return isOpen ? states::PRESSED: 0;
}

PRUint8
nsXFormsDropmarkerWidgetAccessible::ActionCount()
{
  return 1;
}

NS_IMETHODIMP
nsXFormsDropmarkerWidgetAccessible::GetActionName(PRUint8 aIndex,
                                                  nsAString& aName)
{
  if (aIndex != eAction_Click)
    return NS_ERROR_INVALID_ARG;

  bool isOpen = false;
  nsCOMPtr<nsIDOMNode> DOMNode(do_QueryInterface(mContent));
  nsresult rv = sXFormsService->IsDropmarkerOpen(DOMNode, &isOpen);
  NS_ENSURE_SUCCESS(rv, rv);

  if (isOpen)
    aName.AssignLiteral("close");
  else
    aName.AssignLiteral("open");

  return NS_OK;
}

NS_IMETHODIMP
nsXFormsDropmarkerWidgetAccessible::DoAction(PRUint8 aIndex)
{
  if (aIndex != eAction_Click)
    return NS_ERROR_INVALID_ARG;

  nsCOMPtr<nsIDOMNode> DOMNode(do_QueryInterface(mContent));
  return sXFormsService->ToggleDropmarkerState(DOMNode);
}


////////////////////////////////////////////////////////////////////////////////
// nsXFormsCalendarWidgetAccessible
////////////////////////////////////////////////////////////////////////////////

nsXFormsCalendarWidgetAccessible::
nsXFormsCalendarWidgetAccessible(nsIContent *aContent, nsIWeakReference *aShell) :
  nsAccessibleWrap(aContent, aShell)
{
}

PRUint32
nsXFormsCalendarWidgetAccessible::NativeRole()
{
  return nsIAccessibleRole::ROLE_CALENDAR;
}


////////////////////////////////////////////////////////////////////////////////
// nsXFormsComboboxPopupWidgetAccessible
////////////////////////////////////////////////////////////////////////////////

nsXFormsComboboxPopupWidgetAccessible::
  nsXFormsComboboxPopupWidgetAccessible(nsIContent *aContent,
                                        nsIWeakReference *aShell) :
  nsXFormsAccessible(aContent, aShell)
{
}

PRUint32
nsXFormsComboboxPopupWidgetAccessible::NativeRole()
{
  return nsIAccessibleRole::ROLE_LIST;
}

PRUint64
nsXFormsComboboxPopupWidgetAccessible::NativeState()
{
  PRUint64 state = nsXFormsAccessible::NativeState();

  bool isOpen = false;
  nsCOMPtr<nsIDOMNode> DOMNode(do_QueryInterface(mContent));
  nsresult rv = sXFormsService->IsDropmarkerOpen(DOMNode, &isOpen);
  NS_ENSURE_SUCCESS(rv, state);

  state |= states::FOCUSABLE;

  if (isOpen)
    state = states::FLOATING;
  else
    state = states::INVISIBLE;

  return state;
}

NS_IMETHODIMP
nsXFormsComboboxPopupWidgetAccessible::GetValue(nsAString& aValue)
{
  aValue.Truncate();
  return NS_OK;
}

nsresult
nsXFormsComboboxPopupWidgetAccessible::GetNameInternal(nsAString& aName)
{
  // Override nsXFormsAccessible::GetName() to prevent name calculation by
  // XForms rules.
  return NS_OK;
}

void
nsXFormsComboboxPopupWidgetAccessible::Description(nsString& aDescription)
{
  aDescription.Truncate();
}

void
nsXFormsComboboxPopupWidgetAccessible::CacheChildren()
{
  nsCOMPtr<nsIDOMNode> parent = do_QueryInterface(mContent->GetNodeParent());
  // Parent node must be an xforms:select1 element.
  CacheSelectChildren(parent);
}