RetroZilla/accessible/src/atk/nsRootAccessibleWrap.cpp
2015-10-20 23:03:22 -04:00

116 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Sun Microsystems, Inc.
* Portions created by Sun Microsystems are Copyright (C) 2002 Sun
* Microsystems, Inc. All Rights Reserved.
*
* Original Author: Bolian Yin (bolian.yin@sun.com)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#include "nsMai.h"
#include "nsRootAccessibleWrap.h"
#include "nsAppRootAccessible.h"
#include "nsIDOMWindow.h"
#include "nsPIDOMWindow.h"
#include "nsIFocusController.h"
nsRootAccessibleWrap::nsRootAccessibleWrap(nsIDOMNode *aDOMNode,
nsIWeakReference* aShell):
nsRootAccessible(aDOMNode, aShell)
{
MAI_LOG_DEBUG(("New Root Acc=%p\n", (void*)this));
}
NS_IMETHODIMP nsRootAccessibleWrap::Init()
{
nsresult rv = nsRootAccessible::Init();
nsAppRootAccessible *root = nsAppRootAccessible::Create();
if (root) {
root->AddRootAccessible(this);
}
return rv;
}
nsRootAccessibleWrap::~nsRootAccessibleWrap()
{
MAI_LOG_DEBUG(("Delete Root Acc=%p\n", (void*)this));
}
NS_IMETHODIMP nsRootAccessibleWrap::Shutdown()
{
nsAppRootAccessible *root = nsAppRootAccessible::Create();
if (root) {
root->RemoveRootAccessible(this);
}
return nsRootAccessible::Shutdown();
}
NS_IMETHODIMP nsRootAccessibleWrap::GetParent(nsIAccessible ** aParent)
{
nsAppRootAccessible *root = nsAppRootAccessible::Create();
nsresult rv = NS_OK;
if (root) {
NS_IF_ADDREF(*aParent = root);
}
else {
*aParent = nsnull;
rv = NS_ERROR_FAILURE;
}
return rv;
}
NS_IMETHODIMP nsRootAccessibleWrap::GetRole(PRUint32 *_retval)
{
*_retval = ROLE_FRAME;
return NS_OK;
}
NS_IMETHODIMP nsRootAccessibleWrap::GetExtState(PRUint32 *aState)
{
nsAccessibleWrap::GetExtState(aState);
nsCOMPtr<nsIDOMWindow> domWin;
GetWindow(getter_AddRefs(domWin));
nsCOMPtr<nsPIDOMWindow> privateDOMWindow(do_QueryInterface(domWin));
if (privateDOMWindow) {
nsIFocusController *focusController =
privateDOMWindow->GetRootFocusController();
PRBool isActive = PR_FALSE;
focusController->GetActive(&isActive);
if (isActive) {
*aState |= EXT_STATE_ACTIVE;
}
}
return NS_OK;
}