154 lines
4.4 KiB
C++
154 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Author: Aaron Leventhal (aaronl@netscape.com)
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* Contributor(s):
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*/
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#include "nsGenericAccessible.h"
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#include "nsHTMLAreaAccessible.h"
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#include "nsReadableUtils.h"
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#include "nsString.h"
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#include "nsAccessible.h"
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#include "nsIAccessibilityService.h"
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#include "nsIServiceManager.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMHTMLAreaElement.h"
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// --- area -----
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nsHTMLAreaAccessible::nsHTMLAreaAccessible(nsIDOMNode *aDomNode, nsIAccessible *aAccParent, nsIWeakReference* aShell):
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nsLinkableAccessible(aDomNode, aShell), mAccParent(aAccParent)
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{
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}
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/* wstring getAccName (); */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccName(nsAWritableString & _retval)
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{
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nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(mDOMNode));
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if (elt) {
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nsAutoString hrefString;
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elt->GetAttribute(NS_LITERAL_STRING("title"), _retval);
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}
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return NS_OK;
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}
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/* unsigned long getAccRole (); */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccRole(PRUint32 *_retval)
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{
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*_retval = ROLE_LINK;
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return NS_OK;
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}
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/* wstring getAccValue (); */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccValue(nsAWritableString& _retval)
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{
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nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(mDOMNode));
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if (elt)
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elt->GetAttribute(NS_LITERAL_STRING("href"), _retval);
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return NS_OK;
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}
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/* wstring getAccDescription (); */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccDescription(nsAWritableString& _retval)
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{
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// Still to do - follow IE's standard here
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nsCOMPtr<nsIDOMHTMLAreaElement> area(do_QueryInterface(mDOMNode));
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if (area)
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area->GetShape(_retval);
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return NS_OK;
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}
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/* nsIAccessible getAccFirstChild (); */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccFirstChild(nsIAccessible **_retval)
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{
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*_retval = nsnull;
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return NS_OK;
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}
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/* nsIAccessible getAccLastChild (); */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccLastChild(nsIAccessible **_retval)
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{
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*_retval = nsnull;
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return NS_OK;
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}
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/* long getAccChildCount (); */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccChildCount(PRInt32 *_retval)
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{
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*_retval = 0;
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return NS_OK;
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}
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccParent(nsIAccessible * *aAccParent)
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{
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*aAccParent = mAccParent;
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NS_IF_ADDREF(*aAccParent);
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return NS_OK;
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}
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nsIAccessible *nsHTMLAreaAccessible::CreateAreaAccessible(nsIDOMNode *aDOMNode)
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{
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nsCOMPtr<nsIAccessibilityService> accService(do_GetService("@mozilla.org/accessibilityService;1"));
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if (accService) {
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nsIAccessible* acc = nsnull;
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accService->CreateHTMLAreaAccessible(mPresShell, aDOMNode, mAccParent, &acc);
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return acc;
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}
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return nsnull;
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}
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccNextSibling(nsIAccessible * *aAccNextSibling)
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{
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*aAccNextSibling = nsnull;
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nsCOMPtr<nsIDOMNode> nextNode;
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mDOMNode->GetNextSibling(getter_AddRefs(nextNode));
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if (nextNode)
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*aAccNextSibling = CreateAreaAccessible(nextNode);
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return NS_OK;
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}
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/* readonly attribute nsIAccessible accPreviousSibling; */
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NS_IMETHODIMP nsHTMLAreaAccessible::GetAccPreviousSibling(nsIAccessible * *aAccPrevSibling)
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{
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*aAccPrevSibling = nsnull;
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nsCOMPtr<nsIDOMNode> prevNode;
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mDOMNode->GetPreviousSibling(getter_AddRefs(prevNode));
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if (prevNode)
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*aAccPrevSibling = CreateAreaAccessible(prevNode);
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return NS_OK;
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}
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/* void accGetBounds (out long x, out long y, out long width, out long height); */
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NS_IMETHODIMP nsHTMLAreaAccessible::AccGetBounds(PRInt32 *x, PRInt32 *y, PRInt32 *width, PRInt32 *height)
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{
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//nsIFrame *frame;
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// Do a better job on this later - need to use GetRect on mAreas of nsImageMap from nsImageFrame
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//return mAccParent->nsAccessible::AccGetBounds(x,y,width,height);
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*x = *y = *width = *height = 0;
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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