Bommels05/Mozilla
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
3cf425b45dec02459ae281733aa02a5367e7c26e
Mozilla/mozilla/accessible/src/base/nsAccessibilityService.cpp
evaughan%netscape.com a4d0ce6ac8 Fix for bug #80902 
-r jeff@tcbnetworks.com -sr waterson

Fix for bug #80505

-r aaronl, jgaunt -sr brendan


git-svn-id: svn://10.0.0.236/trunk@95337 18797224-902f-48f8-a5cc-f745e15eee43
2001-05-17 23:52:32 +00:00

394 lines
12 KiB
C++
Raw Blame History

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Original Author: David W. Hyatt (hyatt@netscape.com)
*
* Contributor(s):
*/
#include "nsIAccessibilityService.h"
#include "nsAccessibilityService.h"
#include "nsAccessible.h"
#include "nsCOMPtr.h"
#include "nsIDocument.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsIContent.h"
#include "nsIFrame.h"
#include "nsRootAccessible.h"
#include "nsINameSpaceManager.h"
#include "nsHTMLFormControlAccessible.h"
#include "nsLayoutAtoms.h"
#include "nsSelectAccessible.h"
#include "nsHTMLTextAccessible.h"
#include "nsHTMLTableAccessible.h"
#include "nsHTMLImageAccessible.h"
#include "nsHTMLAreaAccessible.h"
#include "nsHTMLLinkAccessible.h"
// IFrame
#include "nsIDocShell.h"
#include "nsHTMLIFrameRootAccessible.h"
//--------------------
nsAccessibilityService::nsAccessibilityService()
{
NS_INIT_REFCNT();
//printf("################################## nsAccessibilityService\n");
}
nsAccessibilityService::~nsAccessibilityService()
{
}
NS_IMPL_THREADSAFE_ISUPPORTS1(nsAccessibilityService, nsIAccessibilityService);
////////////////////////////////////////////////////////////////////////////////
// nsIAccessibilityService methods:
NS_IMETHODIMP
nsAccessibilityService::CreateRootAccessible(nsISupports* aPresContext, nsISupports* aFrame, nsIAccessible **_retval)
{
nsIFrame* f = NS_STATIC_CAST(nsIFrame*, aFrame);
nsCOMPtr<nsIPresContext> c(do_QueryInterface(aPresContext));
NS_ASSERTION(c,"Error non prescontext passed to accessible factory!!!");
nsCOMPtr<nsIPresShell> s;
c->GetShell(getter_AddRefs(s));
NS_ASSERTION(s,"Error not presshell!!");
nsCOMPtr<nsIWeakReference> wr (getter_AddRefs(NS_GetWeakReference(s)));
//printf("################################## CreateRootAccessible\n");
*_retval = new nsRootAccessible(wr);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP
nsAccessibilityService::CreateHTMLSelectAccessible(nsIAtom* aPopupAtom, nsIDOMNode* node, nsISupports* aPresContext, nsIAccessible **_retval)
{
/*
nsCOMPtr<nsIContent> n(do_QueryInterface(node));
NS_ASSERTION(n,"Error non nsIContent passed to accessible factory!!!");
nsCOMPtr<nsIPresContext> c(do_QueryInterface(aPresContext));
NS_ASSERTION(c,"Error non prescontext passed to accessible factory!!!");
nsCOMPtr<nsIPresShell> s;
c->GetShell(getter_AddRefs(s));
nsCOMPtr<nsIWeakReference> wr = getter_AddRefs(NS_GetWeakReference(s));
*_retval = new nsSelectAccessible(aPopupAtom, nsnull, node, wr);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
*/
return NS_ERROR_FAILURE;
}
/* nsIAccessible createHTMLCheckboxAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLCheckboxAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
*_retval = new nsHTMLCheckboxAccessible(shell,node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMRadioButtonAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLRadioButtonAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
*_retval = new nsHTMLRadioButtonAccessible(shell,node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMLButtonAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLButtonAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
*_retval = new nsHTMLButtonAccessible(shell,node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTML4ButtonAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTML4ButtonAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
*_retval = new nsHTML4ButtonAccessible(shell,node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMLTextAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLTextAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
//printf("################################## CreateHTMLTextAccessible\n");
*_retval = new nsHTMLTextAccessible(shell, node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMLTableAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLTableAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
*_retval = new nsHTMLTableAccessible(shell, node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMLTableCellAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLTableCellAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
*_retval = new nsHTMLTableCellAccessible(shell, node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMLImageAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLImageAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIImageFrame> imageFrame(do_QueryInterface(aFrame));
if (!imageFrame)
return NS_ERROR_FAILURE;
*_retval = new nsHTMLImageAccessible(shell, node, imageFrame);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMLAreaAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLAreaAccessible(nsISupports *aShell, nsIDOMNode *aDOMNode, nsIAccessible *aAccParent,
nsIAccessible **_retval)
{
nsCOMPtr<nsIPresShell> shell(do_QueryInterface(aShell));
*_retval = new nsHTMLAreaAccessible(shell, aDOMNode, aAccParent);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
/* nsIAccessible createHTMLTextFieldAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
NS_IMETHODIMP nsAccessibilityService::CreateHTMLTextFieldAccessible(nsISupports *aFrame, nsIAccessible **_retval)
{
nsIFrame* frame;
nsCOMPtr<nsIDOMNode> node;
nsCOMPtr<nsIPresShell> shell;
nsresult rv = GetInfo(aFrame, &frame, getter_AddRefs(shell), getter_AddRefs(node));
if (NS_FAILED(rv))
return rv;
*_retval = new nsHTMLTextFieldAccessible(shell, node);
if (*_retval) {
NS_ADDREF(*_retval);
return NS_OK;
} else
return NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP nsAccessibilityService::GetInfo(nsISupports* aFrame, nsIFrame** aRealFrame, nsIPresShell** aShell, nsIDOMNode** aNode)
{
*aRealFrame = NS_STATIC_CAST(nsIFrame*, aFrame);
nsCOMPtr<nsIContent> content;
(*aRealFrame)->GetContent(getter_AddRefs(content));
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(content));
*aNode = node;
NS_ADDREF(*aNode);
nsCOMPtr<nsIDocument> document;
content->GetDocument(*getter_AddRefs(document));
if (!document)
return NS_ERROR_FAILURE;
if (!document)
return NS_ERROR_FAILURE;
#ifdef DEBUG
PRInt32 shells = document->GetNumberOfShells();
NS_ASSERTION(shells > 0,"Error no shells!");
#endif
*aShell = document->GetShellAt(0);
NS_IF_ADDREF(*aShell);
return NS_OK;
}
NS_IMETHODIMP
nsAccessibilityService::CreateHTMLIFrameAccessible(nsIDOMNode* node, nsISupports* aPresContext, nsIAccessible **_retval)
{
*_retval = nsnull;
nsCOMPtr<nsIContent> content(do_QueryInterface(node));
NS_ASSERTION(content,"Error non nsIContent passed to accessible factory!!!");
nsCOMPtr<nsIPresContext> presContext(do_QueryInterface(aPresContext));
NS_ASSERTION(presContext,"Error non prescontext passed to accessible factory!!!");
nsCOMPtr<nsIPresShell> presShell;
presContext->GetShell(getter_AddRefs(presShell));
NS_ASSERTION(presShell,"Error non PresShell passed to accessible factory!!!");
nsCOMPtr<nsIWeakReference> weakRef (getter_AddRefs(NS_GetWeakReference(presShell)));
nsCOMPtr<nsIDocument> doc;
if (NS_SUCCEEDED(content->GetDocument(*getter_AddRefs(doc))) && doc) {
nsCOMPtr<nsIPresShell> presShell = getter_AddRefs(doc->GetShellAt(0));
if (presShell) {
nsCOMPtr<nsISupports> supps;
presShell->GetSubShellFor(content, getter_AddRefs(supps));
if (supps) {
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(supps));
if (docShell) {
nsCOMPtr<nsIPresShell> ps;
docShell->GetPresShell(getter_AddRefs(ps));
if (ps) {
nsCOMPtr<nsIWeakReference> wr (getter_AddRefs(NS_GetWeakReference(ps)));
//printf("################################## CreateHTMLIFrameAccessible\n");
nsCOMPtr<nsIAccessible> root = new nsHTMLIFrameRootAccessible(wr,node);
*_retval = new nsHTMLIFrameAccessible(presShell, node, root);
NS_ADDREF(*_retval);
return NS_OK;
}
}
}
}
}
return NS_ERROR_FAILURE;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
nsresult
NS_NewAccessibilityService(nsIAccessibilityService** aResult)
{
NS_PRECONDITION(aResult != nsnull, "null ptr");
if (! aResult)
return NS_ERROR_NULL_POINTER;
nsAccessibilityService* a = new nsAccessibilityService();
if (a == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(a);
*aResult = a;
return NS_OK;
}
Reference in New Issue View Git Blame Copy Permalink