Files
Mozilla/mozilla/accessible/src/html/nsHTMLIFrameRootAccessible.cpp
dbaron%fas.harvard.edu 0d165e9f97 Convert users of nsAReadable[C]String and nsAWritable[C]String typedefs to [const] nsA[C]String. b=131899 r=scc sr=jag a=asa
git-svn-id: svn://10.0.0.236/trunk@117342 18797224-902f-48f8-a5cc-f745e15eee43
2002-03-23 21:52:27 +00:00

206 lines
6.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
*
* 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
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsHTMLIFrameRootAccessible.h"
#include "nsCOMPtr.h"
#include "nsIDocument.h"
#include "nsIPresShell.h"
#include "nsIContent.h"
#include "nsIFrame.h"
#include "nsIDOMDocument.h"
#include "nsReadableUtils.h"
NS_INTERFACE_MAP_BEGIN(nsHTMLIFrameRootAccessible)
NS_INTERFACE_MAP_END_INHERITING(nsRootAccessible)
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameRootAccessible, nsRootAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameRootAccessible, nsRootAccessible);
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameAccessible, nsBlockAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameAccessible, nsBlockAccessible);
NS_IMETHODIMP
nsHTMLIFrameAccessible::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
NS_ASSERTION(aInstancePtr, "QueryInterface requires a non-NULL destination!");
if ( !aInstancePtr )
return NS_ERROR_NULL_POINTER;
if (aIID.Equals(NS_GET_IID(nsIAccessibleDocument))) {
*aInstancePtr = (void*)(nsIAccessibleDocument*) this;
NS_IF_ADDREF(this);
return NS_OK;
}
return nsBlockAccessible::QueryInterface(aIID, aInstancePtr);
}
nsHTMLIFrameAccessible::nsHTMLIFrameAccessible(nsIDOMNode* aNode, nsIAccessible* aRoot, nsIWeakReference* aShell, nsIDocument *aDoc):
nsBlockAccessible(aNode, aShell), mRootAccessible(aRoot), nsDocAccessibleMixin(aDoc)
{
}
/* attribute wstring accName; */
NS_IMETHODIMP nsHTMLIFrameAccessible::GetAccName(nsAString& aAccName)
{
return GetTitle(aAccName);
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetAccValue(nsAString& aAccValue)
{
return GetURL(aAccValue);
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsHTMLIFrameAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
return mRootAccessible->GetAccFirstChild(_retval);
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsHTMLIFrameAccessible::GetAccLastChild(nsIAccessible **_retval)
{
return mRootAccessible->GetAccLastChild(_retval);
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsHTMLIFrameAccessible::GetAccChildCount(PRInt32 *_retval)
{
return mRootAccessible->GetAccChildCount(_retval);
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsHTMLIFrameAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_PANE;
return NS_OK;
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetAccState(PRUint32 *aAccState)
{
return nsAccessible::GetAccState(aAccState);
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetURL(nsAString& aURL)
{
return nsDocAccessibleMixin::GetURL(aURL);
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetTitle(nsAString& aTitle)
{
return nsDocAccessibleMixin::GetTitle(aTitle);
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetMimeType(nsAString& aMimeType)
{
return nsDocAccessibleMixin::GetMimeType(aMimeType);
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetDocType(nsAString& aDocType)
{
return nsDocAccessibleMixin::GetDocType(aDocType);
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetNameSpaceURIForID(PRInt16 aNameSpaceID, nsAString& aNameSpaceURI)
{
return nsDocAccessibleMixin::GetNameSpaceURIForID(aNameSpaceID, aNameSpaceURI);
}
NS_IMETHODIMP nsHTMLIFrameAccessible::GetDocument(nsIDocument **doc)
{
return nsDocAccessibleMixin::GetDocument(doc);
}
//=============================//
// nsHTMLIFrameRootAccessible //
//=============================//
//-----------------------------------------------------
// construction
//-----------------------------------------------------
nsHTMLIFrameRootAccessible::nsHTMLIFrameRootAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
mOuterNode(aNode), nsRootAccessible(aShell)
{
}
//-----------------------------------------------------
// destruction
//-----------------------------------------------------
nsHTMLIFrameRootAccessible::~nsHTMLIFrameRootAccessible()
{
}
void nsHTMLIFrameRootAccessible::Init()
{
if (!mOuterAccessible) {
nsCOMPtr<nsIDOMDocument> domDoc;
mOuterNode->GetOwnerDocument(getter_AddRefs(domDoc));
nsCOMPtr<nsIDocument> doc(do_QueryInterface(domDoc));
if (doc) {
nsCOMPtr<nsIPresShell> parentShell;
doc->GetShellAt(0, getter_AddRefs(parentShell));
if (parentShell) {
nsCOMPtr<nsIContent> content(do_QueryInterface(mOuterNode));
nsIFrame* frame = nsnull;
parentShell->GetPrimaryFrameFor(content, &frame);
NS_ASSERTION(frame, "No outer frame.");
frame->GetAccessible(getter_AddRefs(mOuterAccessible));
NS_ASSERTION(mOuterAccessible, "Something's wrong - there's no accessible for the outer parent of this frame.");
}
}
}
}
/* readonly attribute nsIAccessible accParent; */
NS_IMETHODIMP nsHTMLIFrameRootAccessible::GetAccParent(nsIAccessible * *_retval)
{
Init();
return mOuterAccessible->GetAccParent(_retval);
}
/* nsIAccessible getAccNextSibling (); */
NS_IMETHODIMP nsHTMLIFrameRootAccessible::GetAccNextSibling(nsIAccessible **_retval)
{
Init();
return mOuterAccessible->GetAccNextSibling(_retval);
}
NS_IMETHODIMP nsHTMLIFrameRootAccessible::GetAccPreviousSibling(nsIAccessible **_retval)
{
Init();
return mOuterAccessible->GetAccPreviousSibling(_retval);
}