mozilla
/
pjs
зеркало из https://github.com/mozilla/pjs.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

bug 102777 -- factoring of a8e code into XUL and HTML specific files and new impl for GetAccName for XUL a11y widgets 

r=aaronl
sr=hyatt
This commit is contained in:
jgaunt%netscape.com 2001-10-09 21:52:36 +00:00
Родитель 8a3f2761d0
Коммит c6e9b2d1cb
45 изменённых файлов: 2062 добавлений и 1388 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

8
accessible/public/nsIAccessibilityService.idl
Просмотреть файл

@ -38,14 +38,10 @@ interface nsIAccessibilityService : nsISupports
nsIAccessible createHTMLListboxAccessible(in nsIDOMNode aNode, in nsISupports aPresShell);
nsIAccessible createHTMLSelectOptionAccessible(in nsIDOMNode aNode, in nsIAccessible aAccParent, in nsISupports aPresShell);
nsIAccessible createHTMLCheckboxAccessible(in nsISupports aFrame);
nsIAccessible createXULCheckboxAccessible(in nsIDOMNode aNode);
nsIAccessible createHTMLRadioButtonAccessible(in nsISupports aFrame);
nsIAccessible createHTMLButtonAccessible(in nsISupports aFrame);
nsIAccessible createHTML4ButtonAccessible(in nsISupports aFrame);
nsIAccessible createXULButtonAccessible(in nsIDOMNode aNode);
nsIAccessible createHTMLTextAccessible(in nsISupports aFrame);
nsIAccessible createXULTextAccessible(in nsIDOMNode aNode);
nsIAccessible createXULImageAccessible(in nsIDOMNode aNode);
nsIAccessible createHTMLImageAccessible(in nsISupports aFrame);
nsIAccessible createHTMLAreaAccessible(in nsIWeakReference aPresShell, in nsIDOMNode aDOMNode, in nsIAccessible aAccParent);
nsIAccessible createHTMLTableAccessible(in nsISupports aFrame);
@ -53,6 +49,10 @@ interface nsIAccessibilityService : nsISupports
nsIAccessible createHTMLTextFieldAccessible(in nsISupports aFrame);
nsIAccessible createHTMLIFrameAccessible(in nsIDOMNode aNode, in nsISupports aPresContext);
nsIAccessible createHTMLBlockAccessible(in nsIDOMNode aNode, in nsISupports aDocument);
nsIAccessible createXULButtonAccessible(in nsIDOMNode aNode);
nsIAccessible createXULCheckboxAccessible(in nsIDOMNode aNode);
nsIAccessible createXULImageAccessible(in nsIDOMNode aNode);
nsIAccessible createXULTextAccessible(in nsIDOMNode aNode);
nsIAccessible createAccessible(in nsIDOMNode aNode, in nsISupports aDocument);
nsIAccessible getAccessibleFor(in nsIDOMNode aNode);
};

3
accessible/src/Makefile.in
Просмотреть файл

@ -64,6 +64,9 @@ CPPSRCS = \
nsHTMLComboboxAccessible.cpp \
nsHTMLListboxAccessible.cpp \
nsGenericAccessible.cpp \
nsXULFormControlAccessible.cpp \
nsXULTextAccessible.cpp \
nsBaseWidgetAccessible.obj \
$(NULL)
EXPORTS = \

28
accessible/src/base/nsAccessibilityService.cpp
Просмотреть файл

@ -66,6 +66,8 @@
#include "nsIDOMDocument.h"
#include "nsIDOMHTMLOptionElement.h"
#include "nsIDOMXULCheckboxElement.h"
#include "nsXULFormControlAccessible.h"
#include "nsXULTextAccessible.h"
// IFrame
#include "nsIDocShell.h"
@ -199,7 +201,7 @@ NS_IMETHODIMP nsAccessibilityService::CreateXULCheckboxAccessible(nsIDOMNode *aN
GetShellFromNode(aNode, getter_AddRefs(weakShell));
// reusing the HTML accessible widget and enhancing for XUL
*_retval = new nsHTMLCheckboxAccessible(aNode, weakShell);
*_retval = new nsXULCheckboxAccessible(aNode, weakShell);
if (! *_retval)
return NS_ERROR_OUT_OF_MEMORY;
@ -267,7 +269,7 @@ NS_IMETHODIMP nsAccessibilityService::CreateXULButtonAccessible(nsIDOMNode *aNod
GetShellFromNode(aNode, getter_AddRefs(weakShell));
// reusing the HTML accessible widget and enhancing for XUL
*_retval = new nsHTML4ButtonAccessible(aNode, weakShell);
*_retval = new nsXULButtonAccessible(aNode, weakShell);
if (! *_retval)
return NS_ERROR_OUT_OF_MEMORY;
@ -299,7 +301,7 @@ NS_IMETHODIMP nsAccessibilityService::CreateXULTextAccessible(nsIDOMNode *aNode,
GetShellFromNode(aNode, getter_AddRefs(weakShell));
// reusing the HTML accessible widget and enhancing for XUL
*_retval = new nsHTMLTextAccessible(aNode, weakShell);
*_retval = new nsXULTextAccessible(aNode, weakShell);
if (! *_retval)
return NS_ERROR_OUT_OF_MEMORY;
@ -661,6 +663,18 @@ NS_IMETHODIMP nsAccessibilityService::GetAccessibleFor(nsIDOMNode *aNode,
if (!aNode)
return NS_ERROR_NULL_POINTER;
// ---- Is it a XUL element? -- they impl nsIAccessibleProvider via XBL
nsCOMPtr<nsIAccessible> newAcc;
nsCOMPtr<nsIAccessibleProvider> accProv(do_QueryInterface(aNode));
if (accProv) {
accProv->GetAccessible(getter_AddRefs(newAcc));
if (newAcc) {
*_retval = newAcc;
NS_ADDREF(*_retval);
return NS_OK;
}
}
// ---- Get the document for this node ----
nsCOMPtr<nsIDocument> doc;
nsCOMPtr<nsIDocument> nodeIsDoc(do_QueryInterface(aNode));
@ -710,16 +724,8 @@ NS_IMETHODIMP nsAccessibilityService::GetAccessibleFor(nsIDOMNode *aNode,
if (!frame)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIAccessible> newAcc;
frame->GetAccessible(getter_AddRefs(newAcc));
// ---- Is it a XUL element? -- they impl nsIAccessibleProvider via XBL
if (!newAcc) {
nsCOMPtr<nsIAccessibleProvider> accProv(do_QueryInterface(aNode));
if (accProv)
accProv->GetAccessible(getter_AddRefs(newAcc));
}
// ---- If link, create link accessible ----
if (!newAcc) {
// is it a link?

245
accessible/src/base/nsAccessible.cpp
Просмотреть файл

@ -20,6 +20,7 @@
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Gaunt (jgaunt@netscape.com)
*
*
* Alternatively, the contents of this file may be used under the terms of
@ -48,7 +49,6 @@
#include "nsIViewManager.h"
#include "nsIWidget.h"
#include "nsRootAccessible.h"
#include "nsIScriptGlobalObject.h"
#include "nsPIDOMWindow.h"
#include "nsIDOMElement.h"
#include "nsIEventStateManager.h"
@ -79,8 +79,6 @@
#include "nsStyleConsts.h"
#include "nsReadableUtils.h"
// IFrame Helpers
#include "nsIDocShell.h"
#include "nsIWebShell.h"
@ -1463,244 +1461,3 @@ NS_IMETHODIMP nsAccessible::AppendFlatStringFromSubtree(nsIContent *aContent, ns
}
return NS_OK;
}
// ------- nsHTMLBlockAccessible ------
nsHTMLBlockAccessible::nsHTMLBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):nsAccessible(aNode, aShell)
{
}
/* nsIAccessible accGetAt (in long x, in long y); */
NS_IMETHODIMP nsHTMLBlockAccessible::AccGetAt(PRInt32 tx, PRInt32 ty, nsIAccessible **_retval)
{
// We're going to find the child that contains coordinates (tx,ty)
PRInt32 x,y,w,h;
AccGetBounds(&x,&y,&w,&h); // Get bounds for this accessible
if (tx > x && tx < x + w && ty > y && ty < y + h)
{
// It's within this nsIAccessible, let's drill down
nsCOMPtr<nsIAccessible> child;
nsCOMPtr<nsIAccessible> smallestChild;
PRInt32 smallestArea = -1;
nsCOMPtr<nsIAccessible> next;
GetAccFirstChild(getter_AddRefs(child));
PRInt32 cx,cy,cw,ch; // Child bounds
while(child) {
child->AccGetBounds(&cx,&cy,&cw,&ch);
// ok if there are multiple frames the contain the point
// and they overlap then pick the smallest. We need to do this
// for text frames.
// For example, A point that's in block #2 is also in block #1, but we want to return #2:
//
// [[block #1 is long wrapped text that continues to
// another line]] [[here is a shorter block #2]]
if (tx > cx && tx < cx + cw && ty > cy && ty < cy + ch)
{
if (smallestArea == -1 || cw*ch < smallestArea) {
smallestArea = cw*ch;
smallestChild = child;
}
}
child->GetAccNextSibling(getter_AddRefs(next));
child = next;
}
if (smallestChild != nsnull)
{
*_retval = smallestChild;
NS_ADDREF(*_retval);
return NS_OK;
}
*_retval = this;
NS_ADDREF(this);
return NS_OK;
}
*_retval = nsnull;
return NS_OK;
}
//-------------
// nsLeafFrameAccessible
//-------------
nsLeafAccessible::nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell)
{
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsLeafAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
}
//----------------
// nsLinkableAccessible
//----------------
nsLinkableAccessible::nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell), mIsALinkCached(PR_FALSE), mLinkContent(nsnull), mIsLinkVisited(PR_FALSE)
{
}
/* long GetAccState (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccState(PRUint32 *_retval)
{
nsAccessible::GetAccState(_retval);
*_retval |= STATE_READONLY | STATE_SELECTABLE;
if (IsALink()) {
*_retval |= STATE_LINKED;
if (mIsLinkVisited)
*_retval |= STATE_TRAVERSED;
}
// Get current selection and find out if current node is in it
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> context;
shell->GetPresContext(getter_AddRefs(context));
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
nsIFrame *frame;
if (content && NS_SUCCEEDED(shell->GetPrimaryFrameFor(content, &frame))) {
nsCOMPtr<nsISelectionController> selCon;
frame->GetSelectionController(context,getter_AddRefs(selCon));
if (selCon) {
nsCOMPtr<nsISelection> domSel;
selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel));
if (domSel) {
PRBool isSelected = PR_FALSE, isCollapsed = PR_TRUE;
domSel->ContainsNode(mDOMNode, PR_TRUE, &isSelected);
domSel->GetIsCollapsed(&isCollapsed);
if (isSelected && !isCollapsed)
*_retval |=STATE_SELECTED;
}
}
}
// Focused? Do we implement that here or up the chain?
return NS_OK;
}
NS_IMETHODIMP nsLinkableAccessible::GetAccValue(nsAWritableString& _retval)
{
if (IsALink()) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(mLinkContent));
if (elt)
return elt->GetAttribute(NS_LITERAL_STRING("href"), _retval);
}
return NS_ERROR_FAILURE;
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
_retval = NS_LITERAL_STRING("jump");
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::AccDoAction(PRUint8 index)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> presContext;
shell->GetPresContext(getter_AddRefs(presContext));
if (presContext) {
nsMouseEvent linkClickEvent;
linkClickEvent.eventStructType = NS_EVENT;
linkClickEvent.message = NS_MOUSE_LEFT_CLICK;
linkClickEvent.isShift = PR_FALSE;
linkClickEvent.isControl = PR_FALSE;
linkClickEvent.isAlt = PR_FALSE;
linkClickEvent.isMeta = PR_FALSE;
linkClickEvent.clickCount = 0;
linkClickEvent.widget = nsnull;
nsEventStatus eventStatus = nsEventStatus_eIgnore;
mLinkContent->HandleDOMEvent(presContext,
&linkClickEvent,
nsnull,
NS_EVENT_FLAG_INIT,
&eventStatus);
return NS_OK;
}
}
}
return NS_ERROR_FAILURE;
}
PRBool nsLinkableAccessible::IsALink()
{
if (mIsALinkCached) // Cached answer?
return mLinkContent? PR_TRUE: PR_FALSE;
nsCOMPtr<nsIContent> walkUpContent(do_QueryInterface(mDOMNode));
if (walkUpContent) {
nsCOMPtr<nsIContent> tempContent = walkUpContent;
while (walkUpContent) {
nsCOMPtr<nsILink> link(do_QueryInterface(walkUpContent));
if (link) {
mLinkContent = tempContent;
mIsALinkCached = PR_TRUE;
nsLinkState linkState;
link->GetLinkState(linkState);
if (linkState == eLinkState_Visited)
mIsLinkVisited = PR_TRUE;
return PR_TRUE;
}
walkUpContent->GetParent(*getter_AddRefs(tempContent));
walkUpContent = tempContent;
}
}
mIsALinkCached = PR_TRUE; // Cached that there is no link
return PR_FALSE;
}

61
accessible/src/base/nsAccessible.h
Просмотреть файл

@ -20,6 +20,7 @@
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Gaunt (jgaunt@netscape.com)
*
*
* Alternatively, the contents of this file may be used under the terms of
@ -39,25 +40,23 @@
#ifndef _nsAccessible_H_
#define _nsAccessible_H_
#include "nsISupports.h"
#include "nsGenericAccessible.h"
#include "nsCOMPtr.h"
#include "nsIContent.h"
#include "nsGenericAccessible.h"
#include "nsIAccessible.h"
#include "nsIDOMNode.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsWeakReference.h"
#include "nsIFocusController.h"
#include "nsIViewManager.h"
#include "nsRect.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsPoint.h"
#include "nsRect.h"
#include "nsWeakReference.h"
#define ACCESSIBLE_BUNDLE_URL "chrome://global/locale/accessible.properties"
class nsIFrame;
class nsIDocShell;
class nsIWebShell;
class nsIContent;
class nsIDocShell;
class nsIFrame;
class nsIWebShell;
class nsAccessible : public nsGenericAccessible
{
@ -130,44 +129,4 @@ protected:
nsCOMPtr<nsIFocusController> mFocusController;
};
/* Special Accessible that knows how to handle hit detection for flowing text */
class nsHTMLBlockAccessible : public nsAccessible
{
public:
nsHTMLBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD AccGetAt(PRInt32 x, PRInt32 y, nsIAccessible **_retval);
};
/* Leaf version of DOM Accessible
* has no children
*/
class nsLeafAccessible : public nsAccessible
{
public:
nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
class nsLinkableAccessible : public nsAccessible
{
public:
nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
NS_IMETHOD GetAccState(PRUint32 *_retval);
NS_IMETHOD GetAccValue(nsAWritableString& _retval);
protected:
PRBool IsALink();
PRBool mIsALinkCached; // -1 = unknown, 0 = not a link, 1 = is a link
nsCOMPtr<nsIContent> mLinkContent;
PRBool mIsLinkVisited;
};
#endif

330
accessible/src/base/nsBaseWidgetAccessible.cpp Normal file
Просмотреть файл

@ -0,0 +1,330 @@
/* -*- 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):
* John Gaunt (jgaunt@netscape.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
* 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 "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
#include "nsCOMPtr.h"
#include "nsGUIEvent.h"
#include "nsIContent.h"
#include "nsIDOMElement.h"
#include "nsIFrame.h"
#include "nsILink.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsISelection.h"
#include "nsISelectionController.h"
// ------------
// nsBlockAccessible
// ------------
nsBlockAccessible::nsBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):nsAccessible(aNode, aShell)
{
}
/* nsIAccessible accGetAt (in long x, in long y); */
NS_IMETHODIMP nsBlockAccessible::AccGetAt(PRInt32 tx, PRInt32 ty, nsIAccessible **_retval)
{
// We're going to find the child that contains coordinates (tx,ty)
PRInt32 x,y,w,h;
AccGetBounds(&x,&y,&w,&h); // Get bounds for this accessible
if (tx > x && tx < x + w && ty > y && ty < y + h)
{
// It's within this nsIAccessible, let's drill down
nsCOMPtr<nsIAccessible> child;
nsCOMPtr<nsIAccessible> smallestChild;
PRInt32 smallestArea = -1;
nsCOMPtr<nsIAccessible> next;
GetAccFirstChild(getter_AddRefs(child));
PRInt32 cx,cy,cw,ch; // Child bounds
while(child) {
child->AccGetBounds(&cx,&cy,&cw,&ch);
// ok if there are multiple frames the contain the point
// and they overlap then pick the smallest. We need to do this
// for text frames.
// For example, A point that's in block #2 is also in block #1, but we want to return #2:
//
// [[block #1 is long wrapped text that continues to
// another line]] [[here is a shorter block #2]]
if (tx > cx && tx < cx + cw && ty > cy && ty < cy + ch)
{
if (smallestArea == -1 || cw*ch < smallestArea) {
smallestArea = cw*ch;
smallestChild = child;
}
}
child->GetAccNextSibling(getter_AddRefs(next));
child = next;
}
if (smallestChild != nsnull)
{
*_retval = smallestChild;
NS_ADDREF(*_retval);
return NS_OK;
}
*_retval = this;
NS_ADDREF(this);
return NS_OK;
}
*_retval = nsnull;
return NS_OK;
}
//-------------
// nsLeafFrameAccessible
//-------------
nsLeafAccessible::nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell)
{
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsLeafAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
}
//----------------
// nsLinkableAccessible
//----------------
nsLinkableAccessible::nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell), mIsALinkCached(PR_FALSE), mLinkContent(nsnull), mIsLinkVisited(PR_FALSE)
{
}
/* long GetAccState (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccState(PRUint32 *_retval)
{
nsAccessible::GetAccState(_retval);
*_retval |= STATE_READONLY | STATE_SELECTABLE;
if (IsALink()) {
*_retval |= STATE_LINKED;
if (mIsLinkVisited)
*_retval |= STATE_TRAVERSED;
}
// Get current selection and find out if current node is in it
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> context;
shell->GetPresContext(getter_AddRefs(context));
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
nsIFrame *frame;
if (content && NS_SUCCEEDED(shell->GetPrimaryFrameFor(content, &frame))) {
nsCOMPtr<nsISelectionController> selCon;
frame->GetSelectionController(context,getter_AddRefs(selCon));
if (selCon) {
nsCOMPtr<nsISelection> domSel;
selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel));
if (domSel) {
PRBool isSelected = PR_FALSE, isCollapsed = PR_TRUE;
domSel->ContainsNode(mDOMNode, PR_TRUE, &isSelected);
domSel->GetIsCollapsed(&isCollapsed);
if (isSelected && !isCollapsed)
*_retval |=STATE_SELECTED;
}
}
}
// Focused? Do we implement that here or up the chain?
return NS_OK;
}
NS_IMETHODIMP nsLinkableAccessible::GetAccValue(nsAWritableString& _retval)
{
if (IsALink()) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(mLinkContent));
if (elt)
return elt->GetAttribute(NS_LITERAL_STRING("href"), _retval);
}
return NS_ERROR_FAILURE;
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
_retval = NS_LITERAL_STRING("jump");
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::AccDoAction(PRUint8 index)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> presContext;
shell->GetPresContext(getter_AddRefs(presContext));
if (presContext) {
nsMouseEvent linkClickEvent;
linkClickEvent.eventStructType = NS_EVENT;
linkClickEvent.message = NS_MOUSE_LEFT_CLICK;
linkClickEvent.isShift = PR_FALSE;
linkClickEvent.isControl = PR_FALSE;
linkClickEvent.isAlt = PR_FALSE;
linkClickEvent.isMeta = PR_FALSE;
linkClickEvent.clickCount = 0;
linkClickEvent.widget = nsnull;
nsEventStatus eventStatus = nsEventStatus_eIgnore;
mLinkContent->HandleDOMEvent(presContext,
&linkClickEvent,
nsnull,
NS_EVENT_FLAG_INIT,
&eventStatus);
return NS_OK;
}
}
}
return NS_ERROR_FAILURE;
}
PRBool nsLinkableAccessible::IsALink()
{
if (mIsALinkCached) // Cached answer?
return mLinkContent? PR_TRUE: PR_FALSE;
nsCOMPtr<nsIContent> walkUpContent(do_QueryInterface(mDOMNode));
if (walkUpContent) {
nsCOMPtr<nsIContent> tempContent = walkUpContent;
while (walkUpContent) {
nsCOMPtr<nsILink> link(do_QueryInterface(walkUpContent));
if (link) {
mLinkContent = tempContent;
mIsALinkCached = PR_TRUE;
nsLinkState linkState;
link->GetLinkState(linkState);
if (linkState == eLinkState_Visited)
mIsLinkVisited = PR_TRUE;
return PR_TRUE;
}
walkUpContent->GetParent(*getter_AddRefs(tempContent));
walkUpContent = tempContent;
}
}
mIsALinkCached = PR_TRUE; // Cached that there is no link
return PR_FALSE;
}
// ------------
// Text Accessibles
// ------------
nsTextAccessible::nsTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsLinkableAccessible(aDomNode, aShell)
{
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsTextAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_TEXT;
return NS_OK;
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsTextAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsTextAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsTextAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
}

116
accessible/src/base/nsBaseWidgetAccessible.h Normal file
Просмотреть файл

@ -0,0 +1,116 @@
/* -*- 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):
* John Gaunt (jgaunt@netscape.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
* 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 ***** */
#ifndef _nsBaseWidgetAccessible_H_
#define _nsBaseWidgetAccessible_H_
#include "nsAccessible.h"
#include "nsIDOMNode.h"
#include "nsCOMPtr.h"
#include "nsIContent.h"
/**
* This file contains a number of classes that are used as base
* classes for the different accessibility implementations of
* the HTML and XUL widget sets. --jgaunt
*/
/**
* Special Accessible that knows how to handle hit detection for flowing text
*/
class nsBlockAccessible : public nsAccessible
{
public:
nsBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD AccGetAt(PRInt32 x, PRInt32 y, nsIAccessible **_retval);
};
/**
* Leaf version of DOM Accessible -- has no children
*/
class nsLeafAccessible : public nsAccessible
{
public:
nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
/**
* A type of accessible for DOM nodes containing an href="" attribute.
* It knows how to report the state of the link ( traveled or not )
* and can activate ( click ) the link programmatically.
*/
class nsLinkableAccessible : public nsAccessible
{
public:
nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
NS_IMETHOD GetAccState(PRUint32 *_retval);
NS_IMETHOD GetAccValue(nsAWritableString& _retval);
protected:
PRBool IsALink();
PRBool mIsALinkCached; // -1 = unknown, 0 = not a link, 1 = is a link
nsCOMPtr<nsIContent> mLinkContent;
PRBool mIsLinkVisited;
};
/**
* Text nodes have no children, but since double inheritance
* no-worky we have to re-impl the LeafAccessiblity blocks
* this way.
*/
class nsTextAccessible : public nsLinkableAccessible
{
public:
nsTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
#endif

2
accessible/src/html/nsHTMLAreaAccessible.h
Просмотреть файл

@ -40,7 +40,7 @@
#ifndef _nsHTMLAreaAccessible_H_
#define _nsHTMLAreaAccessible_H_
#include "nsGenericAccessible.h"
#include "nsBaseWidgetAccessible.h"
#include "nsAccessible.h"
/* Accessible for image map areas - must be child of image

36
accessible/src/html/nsHTMLFormControlAccessible.cpp
Просмотреть файл

@ -146,11 +146,6 @@ NS_IMETHODIMP nsHTMLFormControlAccessible::GetAccState(PRUint32 *_retval)
htmlFormElement->GetType(typeString);
if (typeString.EqualsIgnoreCase("password"))
*_retval |= STATE_PROTECTED;
}
else {
nsCOMPtr<nsIDOMXULControlElement> xulFormElement(do_QueryInterface(mDOMNode));
if (xulFormElement)
xulFormElement->GetDisabled(&disabled);
}
if (disabled)
@ -209,15 +204,9 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::AccDoAction(PRUint8 index)
if (htmlCheckboxElement) {
htmlCheckboxElement->GetChecked(&checked);
htmlCheckboxElement->SetChecked(!checked);
return NS_OK;
}
else {
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement) {
xulCheckboxElement->GetChecked(&checked);
xulCheckboxElement->SetChecked(!checked);
}
}
return NS_OK;
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
}
@ -230,11 +219,6 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccState(PRUint32 *_retval)
nsCOMPtr<nsIDOMHTMLInputElement> htmlCheckboxElement(do_QueryInterface(mDOMNode));
if (htmlCheckboxElement)
htmlCheckboxElement->GetChecked(&checked);
else {
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement)
xulCheckboxElement->GetChecked(&checked);
}
if (checked)
*_retval |= STATE_CHECKED;
@ -370,7 +354,7 @@ NS_IMETHODIMP nsHTMLButtonAccessible::GetAccName(nsAWritableString& _retval)
// ----- HTML 4 Button: can contain arbitrary HTML content -----
nsHTML4ButtonAccessible::nsHTML4ButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsHTMLBlockAccessible(aNode, aShell)
nsBlockAccessible(aNode, aShell)
{
}
@ -401,15 +385,6 @@ NS_IMETHODIMP nsHTML4ButtonAccessible::AccDoAction(PRUint8 index)
inputElement->Click();
return NS_OK;
}
else
{
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement )
{
buttonElement->DoCommand();
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
@ -434,11 +409,6 @@ NS_IMETHODIMP nsHTML4ButtonAccessible::GetAccState(PRUint32 *_retval)
/* wstring getAccName (); */
NS_IMETHODIMP nsHTML4ButtonAccessible::GetAccName(nsAWritableString& _retval)
{
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement ) {
return buttonElement->GetLabel(_retval);
}
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));

3
accessible/src/html/nsHTMLFormControlAccessible.h
Просмотреть файл

@ -41,6 +41,7 @@
#define _nsHTMLFormControlAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsICheckboxControlFrame;
@ -97,7 +98,7 @@ public:
NS_IMETHOD AccDoAction(PRUint8 index);
};
class nsHTML4ButtonAccessible : public nsHTMLBlockAccessible
class nsHTML4ButtonAccessible : public nsBlockAccessible
{
public:

8
accessible/src/html/nsHTMLIFrameRootAccessible.cpp
Просмотреть файл

@ -58,8 +58,8 @@ NS_INTERFACE_MAP_END_INHERITING(nsRootAccessible)
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameRootAccessible, nsRootAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameRootAccessible, nsRootAccessible);
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameAccessible, nsHTMLBlockAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameAccessible, nsHTMLBlockAccessible);
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameAccessible, nsBlockAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameAccessible, nsBlockAccessible);
NS_IMETHODIMP
@ -73,12 +73,12 @@ nsHTMLIFrameAccessible::QueryInterface(const nsIID& aIID, void** aInstancePtr)
NS_IF_ADDREF(this);
return NS_OK;
}
return nsHTMLBlockAccessible::QueryInterface(aIID, aInstancePtr);
return nsBlockAccessible::QueryInterface(aIID, aInstancePtr);
}
nsHTMLIFrameAccessible::nsHTMLIFrameAccessible(nsIDOMNode* aNode, nsIAccessible* aRoot, nsIWeakReference* aShell, nsIDocument *aDoc):
nsHTMLBlockAccessible(aNode, aShell), mRootAccessible(aRoot), nsDocAccessibleMixin(aDoc)
nsBlockAccessible(aNode, aShell), mRootAccessible(aRoot), nsDocAccessibleMixin(aDoc)
{
}

3
accessible/src/html/nsHTMLIFrameRootAccessible.h
Просмотреть файл

@ -39,6 +39,7 @@
#ifndef _nsIFrameRootAccessible_H_
#define _nsIFrameRootAccessible_H_
#include "nsBaseWidgetAccessible.h"
#include "nsRootAccessible.h"
#include "nsAccessible.h"
#include "nsIAccessibleDocument.h"
@ -46,7 +47,7 @@
class nsIWebShell;
class nsIWeakReference;
class nsHTMLIFrameAccessible : public nsHTMLBlockAccessible,
class nsHTMLIFrameAccessible : public nsBlockAccessible,
public nsIAccessibleDocument,
public nsDocAccessibleMixin
{

1
accessible/src/html/nsHTMLImageAccessible.h
Просмотреть файл

@ -41,6 +41,7 @@
#define _nsHTMLImageAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
#include "nsIFrame.h"
#include "nsIImageFrame.h"
#include "nsIDOMHTMLMapElement.h"

1
accessible/src/html/nsHTMLLinkAccessible.h
Просмотреть файл

@ -41,6 +41,7 @@
#define _nsHTMLLinkAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsHTMLLinkAccessible : public nsLinkableAccessible
{

4
accessible/src/html/nsHTMLTableAccessible.cpp
Просмотреть файл

@ -42,7 +42,7 @@
#include "nsReadableUtils.h"
nsHTMLTableCellAccessible::nsHTMLTableCellAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsHTMLBlockAccessible(aDomNode, aShell)
nsBlockAccessible(aDomNode, aShell)
{
}
@ -54,7 +54,7 @@ NS_IMETHODIMP nsHTMLTableCellAccessible::GetAccRole(PRUint32 *_retval)
}
nsHTMLTableAccessible::nsHTMLTableAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsHTMLBlockAccessible(aDomNode, aShell)
nsBlockAccessible(aDomNode, aShell)
{
}

5
accessible/src/html/nsHTMLTableAccessible.h
Просмотреть файл

@ -41,8 +41,9 @@
#define _nsHTMLTableAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsHTMLTableCellAccessible : public nsHTMLBlockAccessible
class nsHTMLTableCellAccessible : public nsBlockAccessible
{
public:
nsHTMLTableCellAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
@ -50,7 +51,7 @@ public:
};
class nsHTMLTableAccessible : public nsHTMLBlockAccessible
class nsHTMLTableAccessible : public nsBlockAccessible
{
public:
nsHTMLTableAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);

43
accessible/src/html/nsHTMLTextAccessible.cpp
Просмотреть файл

@ -50,51 +50,12 @@
#include "nsIDOMXULLabelElement.h"
nsHTMLTextAccessible::nsHTMLTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsLinkableAccessible(aDomNode, aShell)
nsTextAccessible(aDomNode, aShell)
{
}
/* wstring getAccName (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccName(nsAWritableString& _retval)
{
// handles descriptions and label XUL elements
nsCOMPtr<nsIDOMXULDescriptionElement> descriptionElement(do_QueryInterface(mDOMNode));
if (descriptionElement) {
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
return AppendFlatStringFromSubtree(content, &_retval);
}
// HTML elements
else {
return mDOMNode->GetNodeValue(_retval);
}
return NS_ERROR_FAILURE;
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_TEXT;
return NS_OK;
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
return mDOMNode->GetNodeValue(_retval);
}

8
accessible/src/html/nsHTMLTextAccessible.h
Просмотреть файл

@ -40,20 +40,16 @@
#define _nsHTMLTextAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsIWeakReference;
class nsITextControlFrame;
class nsHTMLTextAccessible : public nsLinkableAccessible
class nsHTMLTextAccessible : public nsTextAccessible
{
public:
nsHTMLTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
#endif

3
accessible/src/makefile.win
Просмотреть файл

@ -59,6 +59,9 @@ CPP_OBJS=\
.\$(OBJDIR)\nsHTMLLinkAccessible.obj \
.\$(OBJDIR)\nsHTMLComboboxAccessible.obj \
.\$(OBJDIR)\nsHTMLListboxAccessible.obj \
.\$(OBJDIR)\nsXULFormControlAccessible.obj \
.\$(OBJDIR)\nsXULTextAccessible.obj \
.\$(OBJDIR)\nsBaseWidgetAccessible.obj \
$(NULL)
EXPORTS = \

28
accessible/src/nsAccessibilityService.cpp
Просмотреть файл

@ -66,6 +66,8 @@
#include "nsIDOMDocument.h"
#include "nsIDOMHTMLOptionElement.h"
#include "nsIDOMXULCheckboxElement.h"
#include "nsXULFormControlAccessible.h"
#include "nsXULTextAccessible.h"
// IFrame
#include "nsIDocShell.h"
@ -199,7 +201,7 @@ NS_IMETHODIMP nsAccessibilityService::CreateXULCheckboxAccessible(nsIDOMNode *aN
GetShellFromNode(aNode, getter_AddRefs(weakShell));
// reusing the HTML accessible widget and enhancing for XUL
*_retval = new nsHTMLCheckboxAccessible(aNode, weakShell);
*_retval = new nsXULCheckboxAccessible(aNode, weakShell);
if (! *_retval)
return NS_ERROR_OUT_OF_MEMORY;
@ -267,7 +269,7 @@ NS_IMETHODIMP nsAccessibilityService::CreateXULButtonAccessible(nsIDOMNode *aNod
GetShellFromNode(aNode, getter_AddRefs(weakShell));
// reusing the HTML accessible widget and enhancing for XUL
*_retval = new nsHTML4ButtonAccessible(aNode, weakShell);
*_retval = new nsXULButtonAccessible(aNode, weakShell);
if (! *_retval)
return NS_ERROR_OUT_OF_MEMORY;
@ -299,7 +301,7 @@ NS_IMETHODIMP nsAccessibilityService::CreateXULTextAccessible(nsIDOMNode *aNode,
GetShellFromNode(aNode, getter_AddRefs(weakShell));
// reusing the HTML accessible widget and enhancing for XUL
*_retval = new nsHTMLTextAccessible(aNode, weakShell);
*_retval = new nsXULTextAccessible(aNode, weakShell);
if (! *_retval)
return NS_ERROR_OUT_OF_MEMORY;
@ -661,6 +663,18 @@ NS_IMETHODIMP nsAccessibilityService::GetAccessibleFor(nsIDOMNode *aNode,
if (!aNode)
return NS_ERROR_NULL_POINTER;
// ---- Is it a XUL element? -- they impl nsIAccessibleProvider via XBL
nsCOMPtr<nsIAccessible> newAcc;
nsCOMPtr<nsIAccessibleProvider> accProv(do_QueryInterface(aNode));
if (accProv) {
accProv->GetAccessible(getter_AddRefs(newAcc));
if (newAcc) {
*_retval = newAcc;
NS_ADDREF(*_retval);
return NS_OK;
}
}
// ---- Get the document for this node ----
nsCOMPtr<nsIDocument> doc;
nsCOMPtr<nsIDocument> nodeIsDoc(do_QueryInterface(aNode));
@ -710,16 +724,8 @@ NS_IMETHODIMP nsAccessibilityService::GetAccessibleFor(nsIDOMNode *aNode,
if (!frame)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIAccessible> newAcc;
frame->GetAccessible(getter_AddRefs(newAcc));
// ---- Is it a XUL element? -- they impl nsIAccessibleProvider via XBL
if (!newAcc) {
nsCOMPtr<nsIAccessibleProvider> accProv(do_QueryInterface(aNode));
if (accProv)
accProv->GetAccessible(getter_AddRefs(newAcc));
}
// ---- If link, create link accessible ----
if (!newAcc) {
// is it a link?

245
accessible/src/nsAccessible.cpp
Просмотреть файл

@ -20,6 +20,7 @@
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Gaunt (jgaunt@netscape.com)
*
*
* Alternatively, the contents of this file may be used under the terms of
@ -48,7 +49,6 @@
#include "nsIViewManager.h"
#include "nsIWidget.h"
#include "nsRootAccessible.h"
#include "nsIScriptGlobalObject.h"
#include "nsPIDOMWindow.h"
#include "nsIDOMElement.h"
#include "nsIEventStateManager.h"
@ -79,8 +79,6 @@
#include "nsStyleConsts.h"
#include "nsReadableUtils.h"
// IFrame Helpers
#include "nsIDocShell.h"
#include "nsIWebShell.h"
@ -1463,244 +1461,3 @@ NS_IMETHODIMP nsAccessible::AppendFlatStringFromSubtree(nsIContent *aContent, ns
}
return NS_OK;
}
// ------- nsHTMLBlockAccessible ------
nsHTMLBlockAccessible::nsHTMLBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):nsAccessible(aNode, aShell)
{
}
/* nsIAccessible accGetAt (in long x, in long y); */
NS_IMETHODIMP nsHTMLBlockAccessible::AccGetAt(PRInt32 tx, PRInt32 ty, nsIAccessible **_retval)
{
// We're going to find the child that contains coordinates (tx,ty)
PRInt32 x,y,w,h;
AccGetBounds(&x,&y,&w,&h); // Get bounds for this accessible
if (tx > x && tx < x + w && ty > y && ty < y + h)
{
// It's within this nsIAccessible, let's drill down
nsCOMPtr<nsIAccessible> child;
nsCOMPtr<nsIAccessible> smallestChild;
PRInt32 smallestArea = -1;
nsCOMPtr<nsIAccessible> next;
GetAccFirstChild(getter_AddRefs(child));
PRInt32 cx,cy,cw,ch; // Child bounds
while(child) {
child->AccGetBounds(&cx,&cy,&cw,&ch);
// ok if there are multiple frames the contain the point
// and they overlap then pick the smallest. We need to do this
// for text frames.
// For example, A point that's in block #2 is also in block #1, but we want to return #2:
//
// [[block #1 is long wrapped text that continues to
// another line]] [[here is a shorter block #2]]
if (tx > cx && tx < cx + cw && ty > cy && ty < cy + ch)
{
if (smallestArea == -1 || cw*ch < smallestArea) {
smallestArea = cw*ch;
smallestChild = child;
}
}
child->GetAccNextSibling(getter_AddRefs(next));
child = next;
}
if (smallestChild != nsnull)
{
*_retval = smallestChild;
NS_ADDREF(*_retval);
return NS_OK;
}
*_retval = this;
NS_ADDREF(this);
return NS_OK;
}
*_retval = nsnull;
return NS_OK;
}
//-------------
// nsLeafFrameAccessible
//-------------
nsLeafAccessible::nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell)
{
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsLeafAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
}
//----------------
// nsLinkableAccessible
//----------------
nsLinkableAccessible::nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell), mIsALinkCached(PR_FALSE), mLinkContent(nsnull), mIsLinkVisited(PR_FALSE)
{
}
/* long GetAccState (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccState(PRUint32 *_retval)
{
nsAccessible::GetAccState(_retval);
*_retval |= STATE_READONLY | STATE_SELECTABLE;
if (IsALink()) {
*_retval |= STATE_LINKED;
if (mIsLinkVisited)
*_retval |= STATE_TRAVERSED;
}
// Get current selection and find out if current node is in it
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> context;
shell->GetPresContext(getter_AddRefs(context));
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
nsIFrame *frame;
if (content && NS_SUCCEEDED(shell->GetPrimaryFrameFor(content, &frame))) {
nsCOMPtr<nsISelectionController> selCon;
frame->GetSelectionController(context,getter_AddRefs(selCon));
if (selCon) {
nsCOMPtr<nsISelection> domSel;
selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel));
if (domSel) {
PRBool isSelected = PR_FALSE, isCollapsed = PR_TRUE;
domSel->ContainsNode(mDOMNode, PR_TRUE, &isSelected);
domSel->GetIsCollapsed(&isCollapsed);
if (isSelected && !isCollapsed)
*_retval |=STATE_SELECTED;
}
}
}
// Focused? Do we implement that here or up the chain?
return NS_OK;
}
NS_IMETHODIMP nsLinkableAccessible::GetAccValue(nsAWritableString& _retval)
{
if (IsALink()) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(mLinkContent));
if (elt)
return elt->GetAttribute(NS_LITERAL_STRING("href"), _retval);
}
return NS_ERROR_FAILURE;
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
_retval = NS_LITERAL_STRING("jump");
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::AccDoAction(PRUint8 index)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> presContext;
shell->GetPresContext(getter_AddRefs(presContext));
if (presContext) {
nsMouseEvent linkClickEvent;
linkClickEvent.eventStructType = NS_EVENT;
linkClickEvent.message = NS_MOUSE_LEFT_CLICK;
linkClickEvent.isShift = PR_FALSE;
linkClickEvent.isControl = PR_FALSE;
linkClickEvent.isAlt = PR_FALSE;
linkClickEvent.isMeta = PR_FALSE;
linkClickEvent.clickCount = 0;
linkClickEvent.widget = nsnull;
nsEventStatus eventStatus = nsEventStatus_eIgnore;
mLinkContent->HandleDOMEvent(presContext,
&linkClickEvent,
nsnull,
NS_EVENT_FLAG_INIT,
&eventStatus);
return NS_OK;
}
}
}
return NS_ERROR_FAILURE;
}
PRBool nsLinkableAccessible::IsALink()
{
if (mIsALinkCached) // Cached answer?
return mLinkContent? PR_TRUE: PR_FALSE;
nsCOMPtr<nsIContent> walkUpContent(do_QueryInterface(mDOMNode));
if (walkUpContent) {
nsCOMPtr<nsIContent> tempContent = walkUpContent;
while (walkUpContent) {
nsCOMPtr<nsILink> link(do_QueryInterface(walkUpContent));
if (link) {
mLinkContent = tempContent;
mIsALinkCached = PR_TRUE;
nsLinkState linkState;
link->GetLinkState(linkState);
if (linkState == eLinkState_Visited)
mIsLinkVisited = PR_TRUE;
return PR_TRUE;
}
walkUpContent->GetParent(*getter_AddRefs(tempContent));
walkUpContent = tempContent;
}
}
mIsALinkCached = PR_TRUE; // Cached that there is no link
return PR_FALSE;
}

61
accessible/src/nsAccessible.h
Просмотреть файл

@ -20,6 +20,7 @@
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* John Gaunt (jgaunt@netscape.com)
*
*
* Alternatively, the contents of this file may be used under the terms of
@ -39,25 +40,23 @@
#ifndef _nsAccessible_H_
#define _nsAccessible_H_
#include "nsISupports.h"
#include "nsGenericAccessible.h"
#include "nsCOMPtr.h"
#include "nsIContent.h"
#include "nsGenericAccessible.h"
#include "nsIAccessible.h"
#include "nsIDOMNode.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsWeakReference.h"
#include "nsIFocusController.h"
#include "nsIViewManager.h"
#include "nsRect.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsPoint.h"
#include "nsRect.h"
#include "nsWeakReference.h"
#define ACCESSIBLE_BUNDLE_URL "chrome://global/locale/accessible.properties"
class nsIFrame;
class nsIDocShell;
class nsIWebShell;
class nsIContent;
class nsIDocShell;
class nsIFrame;
class nsIWebShell;
class nsAccessible : public nsGenericAccessible
{
@ -130,44 +129,4 @@ protected:
nsCOMPtr<nsIFocusController> mFocusController;
};
/* Special Accessible that knows how to handle hit detection for flowing text */
class nsHTMLBlockAccessible : public nsAccessible
{
public:
nsHTMLBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD AccGetAt(PRInt32 x, PRInt32 y, nsIAccessible **_retval);
};
/* Leaf version of DOM Accessible
* has no children
*/
class nsLeafAccessible : public nsAccessible
{
public:
nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
class nsLinkableAccessible : public nsAccessible
{
public:
nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
NS_IMETHOD GetAccState(PRUint32 *_retval);
NS_IMETHOD GetAccValue(nsAWritableString& _retval);
protected:
PRBool IsALink();
PRBool mIsALinkCached; // -1 = unknown, 0 = not a link, 1 = is a link
nsCOMPtr<nsIContent> mLinkContent;
PRBool mIsLinkVisited;
};
#endif

330
accessible/src/nsBaseWidgetAccessible.cpp Normal file
Просмотреть файл

@ -0,0 +1,330 @@
/* -*- 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):
* John Gaunt (jgaunt@netscape.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
* 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 "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
#include "nsCOMPtr.h"
#include "nsGUIEvent.h"
#include "nsIContent.h"
#include "nsIDOMElement.h"
#include "nsIFrame.h"
#include "nsILink.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsISelection.h"
#include "nsISelectionController.h"
// ------------
// nsBlockAccessible
// ------------
nsBlockAccessible::nsBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):nsAccessible(aNode, aShell)
{
}
/* nsIAccessible accGetAt (in long x, in long y); */
NS_IMETHODIMP nsBlockAccessible::AccGetAt(PRInt32 tx, PRInt32 ty, nsIAccessible **_retval)
{
// We're going to find the child that contains coordinates (tx,ty)
PRInt32 x,y,w,h;
AccGetBounds(&x,&y,&w,&h); // Get bounds for this accessible
if (tx > x && tx < x + w && ty > y && ty < y + h)
{
// It's within this nsIAccessible, let's drill down
nsCOMPtr<nsIAccessible> child;
nsCOMPtr<nsIAccessible> smallestChild;
PRInt32 smallestArea = -1;
nsCOMPtr<nsIAccessible> next;
GetAccFirstChild(getter_AddRefs(child));
PRInt32 cx,cy,cw,ch; // Child bounds
while(child) {
child->AccGetBounds(&cx,&cy,&cw,&ch);
// ok if there are multiple frames the contain the point
// and they overlap then pick the smallest. We need to do this
// for text frames.
// For example, A point that's in block #2 is also in block #1, but we want to return #2:
//
// [[block #1 is long wrapped text that continues to
// another line]] [[here is a shorter block #2]]
if (tx > cx && tx < cx + cw && ty > cy && ty < cy + ch)
{
if (smallestArea == -1 || cw*ch < smallestArea) {
smallestArea = cw*ch;
smallestChild = child;
}
}
child->GetAccNextSibling(getter_AddRefs(next));
child = next;
}
if (smallestChild != nsnull)
{
*_retval = smallestChild;
NS_ADDREF(*_retval);
return NS_OK;
}
*_retval = this;
NS_ADDREF(this);
return NS_OK;
}
*_retval = nsnull;
return NS_OK;
}
//-------------
// nsLeafFrameAccessible
//-------------
nsLeafAccessible::nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell)
{
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsLeafAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsLeafAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
}
//----------------
// nsLinkableAccessible
//----------------
nsLinkableAccessible::nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsAccessible(aNode, aShell), mIsALinkCached(PR_FALSE), mLinkContent(nsnull), mIsLinkVisited(PR_FALSE)
{
}
/* long GetAccState (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccState(PRUint32 *_retval)
{
nsAccessible::GetAccState(_retval);
*_retval |= STATE_READONLY | STATE_SELECTABLE;
if (IsALink()) {
*_retval |= STATE_LINKED;
if (mIsLinkVisited)
*_retval |= STATE_TRAVERSED;
}
// Get current selection and find out if current node is in it
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> context;
shell->GetPresContext(getter_AddRefs(context));
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
nsIFrame *frame;
if (content && NS_SUCCEEDED(shell->GetPrimaryFrameFor(content, &frame))) {
nsCOMPtr<nsISelectionController> selCon;
frame->GetSelectionController(context,getter_AddRefs(selCon));
if (selCon) {
nsCOMPtr<nsISelection> domSel;
selCon->GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel));
if (domSel) {
PRBool isSelected = PR_FALSE, isCollapsed = PR_TRUE;
domSel->ContainsNode(mDOMNode, PR_TRUE, &isSelected);
domSel->GetIsCollapsed(&isCollapsed);
if (isSelected && !isCollapsed)
*_retval |=STATE_SELECTED;
}
}
}
// Focused? Do we implement that here or up the chain?
return NS_OK;
}
NS_IMETHODIMP nsLinkableAccessible::GetAccValue(nsAWritableString& _retval)
{
if (IsALink()) {
nsCOMPtr<nsIDOMElement> elt(do_QueryInterface(mLinkContent));
if (elt)
return elt->GetAttribute(NS_LITERAL_STRING("href"), _retval);
}
return NS_ERROR_FAILURE;
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsLinkableAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
_retval = NS_LITERAL_STRING("jump");
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsLinkableAccessible::AccDoAction(PRUint8 index)
{
// Action 0 (default action): Jump to link
if (index == 0) {
if (IsALink()) {
nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
if (!shell) {
return NS_ERROR_FAILURE;
}
nsCOMPtr<nsIPresContext> presContext;
shell->GetPresContext(getter_AddRefs(presContext));
if (presContext) {
nsMouseEvent linkClickEvent;
linkClickEvent.eventStructType = NS_EVENT;
linkClickEvent.message = NS_MOUSE_LEFT_CLICK;
linkClickEvent.isShift = PR_FALSE;
linkClickEvent.isControl = PR_FALSE;
linkClickEvent.isAlt = PR_FALSE;
linkClickEvent.isMeta = PR_FALSE;
linkClickEvent.clickCount = 0;
linkClickEvent.widget = nsnull;
nsEventStatus eventStatus = nsEventStatus_eIgnore;
mLinkContent->HandleDOMEvent(presContext,
&linkClickEvent,
nsnull,
NS_EVENT_FLAG_INIT,
&eventStatus);
return NS_OK;
}
}
}
return NS_ERROR_FAILURE;
}
PRBool nsLinkableAccessible::IsALink()
{
if (mIsALinkCached) // Cached answer?
return mLinkContent? PR_TRUE: PR_FALSE;
nsCOMPtr<nsIContent> walkUpContent(do_QueryInterface(mDOMNode));
if (walkUpContent) {
nsCOMPtr<nsIContent> tempContent = walkUpContent;
while (walkUpContent) {
nsCOMPtr<nsILink> link(do_QueryInterface(walkUpContent));
if (link) {
mLinkContent = tempContent;
mIsALinkCached = PR_TRUE;
nsLinkState linkState;
link->GetLinkState(linkState);
if (linkState == eLinkState_Visited)
mIsLinkVisited = PR_TRUE;
return PR_TRUE;
}
walkUpContent->GetParent(*getter_AddRefs(tempContent));
walkUpContent = tempContent;
}
}
mIsALinkCached = PR_TRUE; // Cached that there is no link
return PR_FALSE;
}
// ------------
// Text Accessibles
// ------------
nsTextAccessible::nsTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsLinkableAccessible(aDomNode, aShell)
{
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsTextAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_TEXT;
return NS_OK;
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsTextAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsTextAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsTextAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
}

116
accessible/src/nsBaseWidgetAccessible.h Normal file
Просмотреть файл

@ -0,0 +1,116 @@
/* -*- 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):
* John Gaunt (jgaunt@netscape.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
* 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 ***** */
#ifndef _nsBaseWidgetAccessible_H_
#define _nsBaseWidgetAccessible_H_
#include "nsAccessible.h"
#include "nsIDOMNode.h"
#include "nsCOMPtr.h"
#include "nsIContent.h"
/**
* This file contains a number of classes that are used as base
* classes for the different accessibility implementations of
* the HTML and XUL widget sets. --jgaunt
*/
/**
* Special Accessible that knows how to handle hit detection for flowing text
*/
class nsBlockAccessible : public nsAccessible
{
public:
nsBlockAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD AccGetAt(PRInt32 x, PRInt32 y, nsIAccessible **_retval);
};
/**
* Leaf version of DOM Accessible -- has no children
*/
class nsLeafAccessible : public nsAccessible
{
public:
nsLeafAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
/**
* A type of accessible for DOM nodes containing an href="" attribute.
* It knows how to report the state of the link ( traveled or not )
* and can activate ( click ) the link programmatically.
*/
class nsLinkableAccessible : public nsAccessible
{
public:
nsLinkableAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
NS_IMETHOD GetAccState(PRUint32 *_retval);
NS_IMETHOD GetAccValue(nsAWritableString& _retval);
protected:
PRBool IsALink();
PRBool mIsALinkCached; // -1 = unknown, 0 = not a link, 1 = is a link
nsCOMPtr<nsIContent> mLinkContent;
PRBool mIsLinkVisited;
};
/**
* Text nodes have no children, but since double inheritance
* no-worky we have to re-impl the LeafAccessiblity blocks
* this way.
*/
class nsTextAccessible : public nsLinkableAccessible
{
public:
nsTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
#endif

71
accessible/src/nsHTMLAreaAccessible.h
Просмотреть файл

@ -1,71 +0,0 @@
/* -*- 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):
* Author: Aaron Leventhal (aaronl@netscape.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
* 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 ***** */
#ifndef _nsHTMLAreaAccessible_H_
#define _nsHTMLAreaAccessible_H_
#include "nsGenericAccessible.h"
#include "nsAccessible.h"
/* Accessible for image map areas - must be child of image
*/
class nsHTMLAreaAccessible : public nsLinkableAccessible
{
public:
nsHTMLAreaAccessible(nsIDOMNode *domNode, nsIAccessible *accParent, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString & _retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccValue(nsAWritableString& _retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
NS_IMETHOD GetAccParent(nsIAccessible * *aAccParent);
NS_IMETHOD GetAccNextSibling(nsIAccessible * *aAccNextSibling);
NS_IMETHOD GetAccPreviousSibling(nsIAccessible * *aAccPreviousSibling);
NS_IMETHOD GetAccDescription(nsAWritableString& _retval);
NS_IMETHOD AccGetBounds(PRInt32 *x, PRInt32 *y, PRInt32 *width, PRInt32 *height);
protected:
nsIAccessible *CreateAreaAccessible(nsIDOMNode *aDOMNode);
nsCOMPtr<nsIAccessible> mAccParent;
};
#endif

179
accessible/src/nsHTMLComboboxAccessible.h
Просмотреть файл

@ -1,179 +0,0 @@
/* -*- Mode: C++; tab-width: 4; 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):
* Original Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
#ifndef __nsHTMLComboboxAccessible_h__
#define __nsHTMLComboboxAccessible_h__
#include "nsAccessible.h"
#include "nsIAccessibleSelectable.h"
#include "nsCOMPtr.h"
#include "nsHTMLSelectListAccessible.h"
#include "nsIDOMXULListener.h"
/*
* A class the represents the HTML Combobox widget.
*/
class nsHTMLComboboxAccessible : public nsAccessible,
public nsIAccessibleSelectable,
public nsIDOMXULListener
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIACCESSIBLESELECTABLE
nsHTMLComboboxAccessible(nsIDOMNode* aDOMNode, nsIWeakReference* aShell);
virtual ~nsHTMLComboboxAccessible();
/* ----- nsIAccessible ----- */
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
NS_IMETHOD GetAccValue(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
// popup listener
NS_IMETHOD PopupShowing(nsIDOMEvent* aEvent);
NS_IMETHOD PopupShown(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD PopupHiding(nsIDOMEvent* aEvent);
NS_IMETHOD PopupHidden(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD Close(nsIDOMEvent* aEvent);
NS_IMETHOD Command(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD Broadcast(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD CommandUpdate(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
virtual void SetupMenuListener();
protected:
PRBool mRegistered;
PRBool mOpen;
};
/*
* A class the represents the text field in the Select to the left
* of the drop down button
*/
class nsHTMLComboboxTextFieldAccessible : public nsLeafAccessible
{
public:
nsHTMLComboboxTextFieldAccessible(nsIAccessible* aParent, nsIDOMNode* aDOMNode, nsIWeakReference* aShell);
/* ----- nsIAccessible ----- */
NS_IMETHOD GetAccNextSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccPreviousSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccParent(nsIAccessible **_retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccValue(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
virtual void GetBounds(nsRect& aBounds, nsIFrame** aBoundingFrame);
protected:
nsCOMPtr<nsIAccessible> mParent;
};
/**
* A class that represents the button inside the Select to the
* right of the text field
*/
class nsHTMLComboboxButtonAccessible : public nsAccessible
{
public:
enum { eAction_Click=0 };
nsHTMLComboboxButtonAccessible(nsIAccessible* aParent, nsIDOMNode* aDOMNode, nsIWeakReference* aShell);
/* ----- nsIAccessible ----- */
NS_IMETHOD GetAccNextSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccPreviousSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccParent(nsIAccessible **_retval);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
NS_IMETHOD GetAccState(PRUint32 *_retval);
virtual void GetBounds(nsRect& aBounds, nsIFrame** aBoundingFrame);
protected:
nsCOMPtr<nsIAccessible> mParent;
};
/*
* A class that represents the window that lives to the right
* of the drop down button inside the Select. This is the window
* that is made visible when the button is pressed.
*/
class nsHTMLComboboxWindowAccessible : public nsAccessible
{
public:
nsHTMLComboboxWindowAccessible(nsIAccessible* aParent, nsIDOMNode* aDOMNode, nsIWeakReference* aShell);
/* ----- nsIAccessible ----- */
NS_IMETHOD GetAccParent(nsIAccessible **_retval);
NS_IMETHOD GetAccNextSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccPreviousSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
virtual void GetBounds(nsRect& aBounds, nsIFrame** aBoundingFrame);
protected:
nsCOMPtr<nsIAccessible> mParent;
};
#endif

36
accessible/src/nsHTMLFormControlAccessible.cpp
Просмотреть файл

@ -146,11 +146,6 @@ NS_IMETHODIMP nsHTMLFormControlAccessible::GetAccState(PRUint32 *_retval)
htmlFormElement->GetType(typeString);
if (typeString.EqualsIgnoreCase("password"))
*_retval |= STATE_PROTECTED;
}
else {
nsCOMPtr<nsIDOMXULControlElement> xulFormElement(do_QueryInterface(mDOMNode));
if (xulFormElement)
xulFormElement->GetDisabled(&disabled);
}
if (disabled)
@ -209,15 +204,9 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::AccDoAction(PRUint8 index)
if (htmlCheckboxElement) {
htmlCheckboxElement->GetChecked(&checked);
htmlCheckboxElement->SetChecked(!checked);
return NS_OK;
}
else {
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement) {
xulCheckboxElement->GetChecked(&checked);
xulCheckboxElement->SetChecked(!checked);
}
}
return NS_OK;
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
}
@ -230,11 +219,6 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccState(PRUint32 *_retval)
nsCOMPtr<nsIDOMHTMLInputElement> htmlCheckboxElement(do_QueryInterface(mDOMNode));
if (htmlCheckboxElement)
htmlCheckboxElement->GetChecked(&checked);
else {
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement)
xulCheckboxElement->GetChecked(&checked);
}
if (checked)
*_retval |= STATE_CHECKED;
@ -370,7 +354,7 @@ NS_IMETHODIMP nsHTMLButtonAccessible::GetAccName(nsAWritableString& _retval)
// ----- HTML 4 Button: can contain arbitrary HTML content -----
nsHTML4ButtonAccessible::nsHTML4ButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsHTMLBlockAccessible(aNode, aShell)
nsBlockAccessible(aNode, aShell)
{
}
@ -401,15 +385,6 @@ NS_IMETHODIMP nsHTML4ButtonAccessible::AccDoAction(PRUint8 index)
inputElement->Click();
return NS_OK;
}
else
{
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement )
{
buttonElement->DoCommand();
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
@ -434,11 +409,6 @@ NS_IMETHODIMP nsHTML4ButtonAccessible::GetAccState(PRUint32 *_retval)
/* wstring getAccName (); */
NS_IMETHODIMP nsHTML4ButtonAccessible::GetAccName(nsAWritableString& _retval)
{
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement ) {
return buttonElement->GetLabel(_retval);
}
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));

3
accessible/src/nsHTMLFormControlAccessible.h
Просмотреть файл

@ -41,6 +41,7 @@
#define _nsHTMLFormControlAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsICheckboxControlFrame;
@ -97,7 +98,7 @@ public:
NS_IMETHOD AccDoAction(PRUint8 index);
};
class nsHTML4ButtonAccessible : public nsHTMLBlockAccessible
class nsHTML4ButtonAccessible : public nsBlockAccessible
{
public:

8
accessible/src/nsHTMLIFrameRootAccessible.cpp
Просмотреть файл

@ -58,8 +58,8 @@ NS_INTERFACE_MAP_END_INHERITING(nsRootAccessible)
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameRootAccessible, nsRootAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameRootAccessible, nsRootAccessible);
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameAccessible, nsHTMLBlockAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameAccessible, nsHTMLBlockAccessible);
NS_IMPL_ADDREF_INHERITED(nsHTMLIFrameAccessible, nsBlockAccessible);
NS_IMPL_RELEASE_INHERITED(nsHTMLIFrameAccessible, nsBlockAccessible);
NS_IMETHODIMP
@ -73,12 +73,12 @@ nsHTMLIFrameAccessible::QueryInterface(const nsIID& aIID, void** aInstancePtr)
NS_IF_ADDREF(this);
return NS_OK;
}
return nsHTMLBlockAccessible::QueryInterface(aIID, aInstancePtr);
return nsBlockAccessible::QueryInterface(aIID, aInstancePtr);
}
nsHTMLIFrameAccessible::nsHTMLIFrameAccessible(nsIDOMNode* aNode, nsIAccessible* aRoot, nsIWeakReference* aShell, nsIDocument *aDoc):
nsHTMLBlockAccessible(aNode, aShell), mRootAccessible(aRoot), nsDocAccessibleMixin(aDoc)
nsBlockAccessible(aNode, aShell), mRootAccessible(aRoot), nsDocAccessibleMixin(aDoc)
{
}

3
accessible/src/nsHTMLIFrameRootAccessible.h
Просмотреть файл

@ -39,6 +39,7 @@
#ifndef _nsIFrameRootAccessible_H_
#define _nsIFrameRootAccessible_H_
#include "nsBaseWidgetAccessible.h"
#include "nsRootAccessible.h"
#include "nsAccessible.h"
#include "nsIAccessibleDocument.h"
@ -46,7 +47,7 @@
class nsIWebShell;
class nsIWeakReference;
class nsHTMLIFrameAccessible : public nsHTMLBlockAccessible,
class nsHTMLIFrameAccessible : public nsBlockAccessible,
public nsIAccessibleDocument,
public nsDocAccessibleMixin
{

70
accessible/src/nsHTMLImageAccessible.h
Просмотреть файл

@ -1,70 +0,0 @@
/* -*- 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):
* Author: Aaron Leventhal (aaronl@netscape.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
* 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 ***** */
#ifndef _nsHTMLImageAccessible_H_
#define _nsHTMLImageAccessible_H_
#include "nsAccessible.h"
#include "nsIFrame.h"
#include "nsIImageFrame.h"
#include "nsIDOMHTMLMapElement.h"
/* Accessible for supporting images
* supports:
* - gets name, role
* - support basic state
*/
class nsHTMLImageAccessible : public nsLinkableAccessible
{
public:
nsHTMLImageAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
protected:
nsIAccessible *CreateAreaAccessible(PRUint32 areaNum);
nsCOMPtr<nsIDOMHTMLMapElement> mMapElement;
};
#endif

54
accessible/src/nsHTMLLinkAccessible.h
Просмотреть файл

@ -1,54 +0,0 @@
/* -*- 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):
* Author: Aaron Leventhal (aaronl@netscape.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
* 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 ***** */
#ifndef _nsHTMLLinkAccessible_H_
#define _nsHTMLLinkAccessible_H_
#include "nsAccessible.h"
class nsHTMLLinkAccessible : public nsLinkableAccessible
{
public:
nsHTMLLinkAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
};
#endif

94
accessible/src/nsHTMLSelectListAccessible.h
Просмотреть файл

@ -1,94 +0,0 @@
/* -*- Mode: C++; tab-width: 4; 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):
* Original Author: Eric Vaughan (evaughan@netscape.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
* 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 ***** */
#ifndef __nsHTMLSelectListAccessible_h__
#define __nsHTMLSelectListAccessible_h__
#include "nsAccessible.h"
#include "nsCOMPtr.h"
/*
* The list that contains all the options in the select.
*/
class nsHTMLSelectListAccessible : public nsAccessible
{
public:
nsHTMLSelectListAccessible(nsIAccessible* aParent, nsIDOMNode* aDOMNode, nsIWeakReference* aShell);
virtual ~nsHTMLSelectListAccessible() {}
/* ----- nsIAccessible ----- */
NS_IMETHOD GetAccParent(nsIAccessible **_retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccNextSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccPreviousSibling(nsIAccessible **_retval);
NS_IMETHOD AccGetBounds(PRInt32 *x, PRInt32 *y, PRInt32 *width, PRInt32 *height);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
protected:
nsCOMPtr<nsIAccessible> mParent;
};
/*
* Options inside the select, contained within the list
*/
class nsHTMLSelectOptionAccessible : public nsLeafAccessible
{
public:
nsHTMLSelectOptionAccessible(nsIAccessible* aParent, nsIDOMNode* aDOMNode, nsIWeakReference* aShell);
/* ----- nsIAccessible ----- */
NS_IMETHOD GetAccParent(nsIAccessible **_retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccNextSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccPreviousSibling(nsIAccessible **_retval);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
static nsresult GetFocusedOptionNode(nsIWeakReference *aPresShell, nsIDOMNode *aListNode, nsCOMPtr<nsIDOMNode>& aFocusedOptionNode);
protected:
nsCOMPtr<nsIAccessible> mParent;
};
#endif

67
accessible/src/nsHTMLTableAccessible.cpp
Просмотреть файл

@ -1,67 +0,0 @@
/* -*- 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):
* Author: Aaron Leventhal (aaronl@netscape.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
* 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 "nsHTMLTableAccessible.h"
#include "nsWeakReference.h"
#include "nsReadableUtils.h"
nsHTMLTableCellAccessible::nsHTMLTableCellAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsHTMLBlockAccessible(aDomNode, aShell)
{
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsHTMLTableCellAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_CELL;
return NS_OK;
}
nsHTMLTableAccessible::nsHTMLTableAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsHTMLBlockAccessible(aDomNode, aShell)
{
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsHTMLTableAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_TABLE;
return NS_OK;
}

60
accessible/src/nsHTMLTableAccessible.h
Просмотреть файл

@ -1,60 +0,0 @@
/* -*- 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):
* Author: Aaron Leventhal (aaronl@netscape.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
* 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 ***** */
#ifndef _nsHTMLTableAccessible_H_
#define _nsHTMLTableAccessible_H_
#include "nsAccessible.h"
class nsHTMLTableCellAccessible : public nsHTMLBlockAccessible
{
public:
nsHTMLTableCellAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
};
class nsHTMLTableAccessible : public nsHTMLBlockAccessible
{
public:
nsHTMLTableAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
};
#endif

43
accessible/src/nsHTMLTextAccessible.cpp
Просмотреть файл

@ -50,51 +50,12 @@
#include "nsIDOMXULLabelElement.h"
nsHTMLTextAccessible::nsHTMLTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsLinkableAccessible(aDomNode, aShell)
nsTextAccessible(aDomNode, aShell)
{
}
/* wstring getAccName (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccName(nsAWritableString& _retval)
{
// handles descriptions and label XUL elements
nsCOMPtr<nsIDOMXULDescriptionElement> descriptionElement(do_QueryInterface(mDOMNode));
if (descriptionElement) {
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
return AppendFlatStringFromSubtree(content, &_retval);
}
// HTML elements
else {
return mDOMNode->GetNodeValue(_retval);
}
return NS_ERROR_FAILURE;
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_TEXT;
return NS_OK;
}
/* nsIAccessible getAccFirstChild (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccFirstChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* nsIAccessible getAccLastChild (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccLastChild(nsIAccessible **_retval)
{
*_retval = nsnull;
return NS_OK;
}
/* long getAccChildCount (); */
NS_IMETHODIMP nsHTMLTextAccessible::GetAccChildCount(PRInt32 *_retval)
{
*_retval = 0;
return NS_OK;
return mDOMNode->GetNodeValue(_retval);
}

8
accessible/src/nsHTMLTextAccessible.h
Просмотреть файл

@ -40,20 +40,16 @@
#define _nsHTMLTextAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsIWeakReference;
class nsITextControlFrame;
class nsHTMLTextAccessible : public nsLinkableAccessible
class nsHTMLTextAccessible : public nsTextAccessible
{
public:
nsHTMLTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccFirstChild(nsIAccessible **_retval);
NS_IMETHOD GetAccLastChild(nsIAccessible **_retval);
NS_IMETHOD GetAccChildCount(PRInt32 *_retval);
};
#endif

326
accessible/src/nsXULFormControlAccessible.cpp Normal file
Просмотреть файл

@ -0,0 +1,326 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
// NOTE: alphabetically ordered
#include "nsIDocument.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMXULButtonElement.h"
#include "nsIDOMXULCheckboxElement.h"
#include "nsIDOMXULDocument.h"
#include "nsReadableUtils.h"
#include "nsString.h"
#include "nsXULFormControlAccessible.h"
// ----- XUL Form Control accessible --------
nsXULFormControlAccessible::nsXULFormControlAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsLeafAccessible(aNode, aShell)
{
}
/**
* Checks the label's value first then makes a call to get the
* text from the children if the value is not set.
*/
NS_IMETHODIMP nsXULFormControlAccessible::AppendLabelText(nsIDOMNode *aLabelNode, nsAWritableString& _retval)
{
NS_ASSERTION(aLabelNode, "Label Node passed in is null");
nsCOMPtr<nsIDOMXULLabelElement> labelNode(do_QueryInterface(aLabelNode));
// label's value="foo" is set
if ( labelNode && NS_SUCCEEDED(labelNode->GetValue(_retval))) {
if (_retval.IsEmpty()) {
// label contains children who define it's text -- possibly HTML
nsCOMPtr<nsIContent> content(do_QueryInterface(labelNode));
if (content)
return AppendFlatStringFromSubtree(content, &_retval);
}
return NS_OK;
}
return NS_ERROR_FAILURE;
}
/**
* 3 main cases for Xul Controls to be labeled
* 1 - control contains label="foo"
* 2 - control has, as a child, a label element
* - label has either value="foo" or children
* 3 - non-child label contains control="controlID"
* - label has either value="foo" or children
* Once a label is found, the search is discontinued, so a control
* that has a label child as well as having a label external to
* the control that uses the control="controlID" syntax will use
* the child label for its Name.
*/
/* wstring getAccName (); */
NS_IMETHODIMP nsXULFormControlAccessible::GetAccName(nsAWritableString& _retval)
{
nsresult rv;
nsAutoString label;
// CASE #1 -- great majority of the cases
nsCOMPtr<nsIDOMElement> domElement(do_QueryInterface(mDOMNode));
NS_ASSERTION(domElement, "No domElement for accessible DOM node!");
rv = domElement->GetAttribute(NS_LITERAL_STRING("label"), label) ;
if (NS_FAILED(rv) || label.IsEmpty() ) {
// CASE #2 ------ label as a child
nsCOMPtr<nsIDOMNodeList>labelChildren;
NS_ASSERTION(domElement, "No domElement for accessible DOM node!");
if (NS_SUCCEEDED(rv = domElement->GetElementsByTagName(NS_LITERAL_STRING("label"), getter_AddRefs(labelChildren)))) {
PRUint32 length = 0;
if (NS_SUCCEEDED(rv = labelChildren->GetLength(&length)) && length > 0) {
for (PRUint32 i = 0; i < length; ++i) {
nsCOMPtr<nsIDOMNode> child;
if (NS_SUCCEEDED(rv = labelChildren->Item(i, getter_AddRefs(child) ))) {
rv = AppendLabelText(child, label);
}
}
}
}
if (NS_FAILED(rv) || label.IsEmpty()) {
// CASE #3 ----- non-child label pointing to control
// XXX jgaunt
// decided to search the parent's children for labels linked to
// this control via the control="controlID" syntax, instead of searching
// the entire document with:
//
// nsCOMPtr<nsIDocument> doc;
// nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
// content->GetDocument(*getter_AddRefs(doc));
// nsCOMPtr<nsIDOMXULDocument> xulDoc(do_QueryInterface(doc));
// if (xulDoc) {
// nsCOMPtr<nsIDOMNodeList>labelList;
// if (NS_SUCCEEDED(rv = xulDoc->GetElementsByAttribute(NS_LITERAL_STRING("control"), controlID, getter_AddRefs(labelList))))
//
// This should keep search times down and still get the relevant
// labels.
nsCOMPtr<nsIDOMNode> parent;
if (NS_SUCCEEDED(rv = mDOMNode->GetParentNode(getter_AddRefs(parent)))) {
nsCOMPtr<nsIDOMXULElement> xulElement(do_QueryInterface(parent));
NS_ASSERTION(xulElement, "No xulElement for parent DOM Node!");
if (xulElement) {
nsAutoString controlID;
nsCOMPtr<nsIDOMNodeList>labelList;
if (NS_SUCCEEDED(rv = xulElement->GetElementsByAttribute(NS_LITERAL_STRING("control"), controlID, getter_AddRefs(labelList))))
{
PRUint32 length = 0;
if (NS_SUCCEEDED(rv = labelList->GetLength(&length)) && length > 0) {
for (PRUint32 i = 0; i < length; ++i) {
nsCOMPtr<nsIDOMNode> child;
if (NS_SUCCEEDED(rv = labelList->Item(i, getter_AddRefs(child) ))) {
rv = AppendLabelText(child, label);
}
}
}
}
}
} // End of CASE #3
} // END of CASE #2
} // END of CASE #1
label.CompressWhitespace();
if (label.IsEmpty())
return nsAccessible::GetAccName(_retval);
_retval.Assign(label);
return NS_OK;
}
/**
* XUL Form controls can be focusable, focused, unavailable, ?protected?
**/
NS_IMETHODIMP nsXULFormControlAccessible::GetAccState(PRUint32 *_retval)
{
// Get the focused state from the nsAccessible
nsAccessible::GetAccState(_retval);
PRBool disabled = PR_FALSE;
nsCOMPtr<nsIDOMXULControlElement> xulFormElement(do_QueryInterface(mDOMNode));
if (xulFormElement)
xulFormElement->GetDisabled(&disabled);
if (disabled)
*_retval |= STATE_UNAVAILABLE;
else
*_retval |= STATE_FOCUSABLE;
return NS_OK;
}
// ----- XUL Button: can contain arbitrary HTML content -----
nsXULButtonAccessible::nsXULButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsBlockAccessible(aNode, aShell)
{
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
if (index == 0) {
_retval = NS_LITERAL_STRING("press");
return NS_OK;
}
return NS_ERROR_INVALID_ARG;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsXULButtonAccessible::AccDoAction(PRUint8 index)
{
if (index == 0) {
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement )
{
buttonElement->DoCommand();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_PUSHBUTTON;
return NS_OK;
}
/* long getAccState (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccState(PRUint32 *_retval)
{
nsAccessible::GetAccState(_retval);
*_retval |= STATE_FOCUSABLE;
return NS_OK;
}
/* wstring getAccName (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccName(nsAWritableString& _retval)
{
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement ) {
return buttonElement->GetLabel(_retval);
}
return NS_ERROR_FAILURE;
}
// --- XUL checkbox -----
nsXULCheckboxAccessible::nsXULCheckboxAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsXULFormControlAccessible(aNode, aShell)
{
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_CHECKBUTTON;
return NS_OK;
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
if (index == 0) { // 0 is the magic value for default action
// check or uncheck
PRUint32 state;
GetAccState(&state);
if (state & STATE_CHECKED)
_retval = NS_LITERAL_STRING("uncheck");
else
_retval = NS_LITERAL_STRING("check");
return NS_OK;
}
return NS_ERROR_INVALID_ARG;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsXULCheckboxAccessible::AccDoAction(PRUint8 index)
{
if (index == 0) { // 0 is the magic value for default action
PRBool checked = PR_FALSE;
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement) {
xulCheckboxElement->GetChecked(&checked);
xulCheckboxElement->SetChecked(!checked);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
}
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccState(PRUint32 *_retval)
{
// Get focus state from parent
nsXULFormControlAccessible::GetAccState(_retval);
// Determine Checked state
PRBool checked = PR_FALSE;
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement)
xulCheckboxElement->GetChecked(&checked);
if (checked)
*_retval |= STATE_CHECKED;
return NS_OK;
}

88
accessible/src/nsXULFormControlAccessible.h Normal file
Просмотреть файл

@ -0,0 +1,88 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
#ifndef _nsXULFormControlAccessible_H_
#define _nsXULFormControlAccessible_H_
// NOTE: alphabetically ordered
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
#include "nsHTMLFormControlAccessible.h"
#include "nsIDOMXULLabelElement.h"
/* Accessible for supporting for controls
* supports:
* - walking up to get name from label
* - support basic state
*/
class nsXULFormControlAccessible : public nsLeafAccessible
{
public:
nsXULFormControlAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
protected:
NS_IMETHODIMP AppendLabelText(nsIDOMNode *aLabelNode, nsAWritableString& _retval);
};
class nsXULButtonAccessible : public nsBlockAccessible
{
public:
nsXULButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
};
class nsXULCheckboxAccessible : public nsXULFormControlAccessible
{
public:
nsXULCheckboxAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
NS_IMETHOD GetAccState(PRUint32 *_retval);
};
#endif

63
accessible/src/nsXULTextAccessible.cpp Normal file
Просмотреть файл

@ -0,0 +1,63 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
// NOTE: alphabetically ordered
#include "nsIDOMXULDescriptionElement.h"
#include "nsIDOMXULLabelElement.h"
#include "nsWeakReference.h"
#include "nsXULTextAccessible.h"
/**
* For XUL descriptions and labels
*/
nsXULTextAccessible::nsXULTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsTextAccessible(aDomNode, aShell)
{
}
/* wstring getAccName (); */
NS_IMETHODIMP nsXULTextAccessible::GetAccName(nsAWritableString& _retval)
{
nsCOMPtr<nsIDOMXULDescriptionElement> descriptionElement(do_QueryInterface(mDOMNode));
if (descriptionElement) {
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
return AppendFlatStringFromSubtree(content, &_retval);
}
return NS_ERROR_FAILURE;
}

56
accessible/src/nsXULTextAccessible.h Normal file
Просмотреть файл

@ -0,0 +1,56 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
#ifndef _nsXULTextAccessible_H_
#define _nsXULTextAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsIWeakReference;
class nsXULTextAccessible : public nsTextAccessible
{
public:
nsXULTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
};
#endif

326
accessible/src/xul/nsXULFormControlAccessible.cpp Normal file
Просмотреть файл

@ -0,0 +1,326 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
// NOTE: alphabetically ordered
#include "nsIDocument.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMXULButtonElement.h"
#include "nsIDOMXULCheckboxElement.h"
#include "nsIDOMXULDocument.h"
#include "nsReadableUtils.h"
#include "nsString.h"
#include "nsXULFormControlAccessible.h"
// ----- XUL Form Control accessible --------
nsXULFormControlAccessible::nsXULFormControlAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsLeafAccessible(aNode, aShell)
{
}
/**
* Checks the label's value first then makes a call to get the
* text from the children if the value is not set.
*/
NS_IMETHODIMP nsXULFormControlAccessible::AppendLabelText(nsIDOMNode *aLabelNode, nsAWritableString& _retval)
{
NS_ASSERTION(aLabelNode, "Label Node passed in is null");
nsCOMPtr<nsIDOMXULLabelElement> labelNode(do_QueryInterface(aLabelNode));
// label's value="foo" is set
if ( labelNode && NS_SUCCEEDED(labelNode->GetValue(_retval))) {
if (_retval.IsEmpty()) {
// label contains children who define it's text -- possibly HTML
nsCOMPtr<nsIContent> content(do_QueryInterface(labelNode));
if (content)
return AppendFlatStringFromSubtree(content, &_retval);
}
return NS_OK;
}
return NS_ERROR_FAILURE;
}
/**
* 3 main cases for Xul Controls to be labeled
* 1 - control contains label="foo"
* 2 - control has, as a child, a label element
* - label has either value="foo" or children
* 3 - non-child label contains control="controlID"
* - label has either value="foo" or children
* Once a label is found, the search is discontinued, so a control
* that has a label child as well as having a label external to
* the control that uses the control="controlID" syntax will use
* the child label for its Name.
*/
/* wstring getAccName (); */
NS_IMETHODIMP nsXULFormControlAccessible::GetAccName(nsAWritableString& _retval)
{
nsresult rv;
nsAutoString label;
// CASE #1 -- great majority of the cases
nsCOMPtr<nsIDOMElement> domElement(do_QueryInterface(mDOMNode));
NS_ASSERTION(domElement, "No domElement for accessible DOM node!");
rv = domElement->GetAttribute(NS_LITERAL_STRING("label"), label) ;
if (NS_FAILED(rv) || label.IsEmpty() ) {
// CASE #2 ------ label as a child
nsCOMPtr<nsIDOMNodeList>labelChildren;
NS_ASSERTION(domElement, "No domElement for accessible DOM node!");
if (NS_SUCCEEDED(rv = domElement->GetElementsByTagName(NS_LITERAL_STRING("label"), getter_AddRefs(labelChildren)))) {
PRUint32 length = 0;
if (NS_SUCCEEDED(rv = labelChildren->GetLength(&length)) && length > 0) {
for (PRUint32 i = 0; i < length; ++i) {
nsCOMPtr<nsIDOMNode> child;
if (NS_SUCCEEDED(rv = labelChildren->Item(i, getter_AddRefs(child) ))) {
rv = AppendLabelText(child, label);
}
}
}
}
if (NS_FAILED(rv) || label.IsEmpty()) {
// CASE #3 ----- non-child label pointing to control
// XXX jgaunt
// decided to search the parent's children for labels linked to
// this control via the control="controlID" syntax, instead of searching
// the entire document with:
//
// nsCOMPtr<nsIDocument> doc;
// nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
// content->GetDocument(*getter_AddRefs(doc));
// nsCOMPtr<nsIDOMXULDocument> xulDoc(do_QueryInterface(doc));
// if (xulDoc) {
// nsCOMPtr<nsIDOMNodeList>labelList;
// if (NS_SUCCEEDED(rv = xulDoc->GetElementsByAttribute(NS_LITERAL_STRING("control"), controlID, getter_AddRefs(labelList))))
//
// This should keep search times down and still get the relevant
// labels.
nsCOMPtr<nsIDOMNode> parent;
if (NS_SUCCEEDED(rv = mDOMNode->GetParentNode(getter_AddRefs(parent)))) {
nsCOMPtr<nsIDOMXULElement> xulElement(do_QueryInterface(parent));
NS_ASSERTION(xulElement, "No xulElement for parent DOM Node!");
if (xulElement) {
nsAutoString controlID;
nsCOMPtr<nsIDOMNodeList>labelList;
if (NS_SUCCEEDED(rv = xulElement->GetElementsByAttribute(NS_LITERAL_STRING("control"), controlID, getter_AddRefs(labelList))))
{
PRUint32 length = 0;
if (NS_SUCCEEDED(rv = labelList->GetLength(&length)) && length > 0) {
for (PRUint32 i = 0; i < length; ++i) {
nsCOMPtr<nsIDOMNode> child;
if (NS_SUCCEEDED(rv = labelList->Item(i, getter_AddRefs(child) ))) {
rv = AppendLabelText(child, label);
}
}
}
}
}
} // End of CASE #3
} // END of CASE #2
} // END of CASE #1
label.CompressWhitespace();
if (label.IsEmpty())
return nsAccessible::GetAccName(_retval);
_retval.Assign(label);
return NS_OK;
}
/**
* XUL Form controls can be focusable, focused, unavailable, ?protected?
**/
NS_IMETHODIMP nsXULFormControlAccessible::GetAccState(PRUint32 *_retval)
{
// Get the focused state from the nsAccessible
nsAccessible::GetAccState(_retval);
PRBool disabled = PR_FALSE;
nsCOMPtr<nsIDOMXULControlElement> xulFormElement(do_QueryInterface(mDOMNode));
if (xulFormElement)
xulFormElement->GetDisabled(&disabled);
if (disabled)
*_retval |= STATE_UNAVAILABLE;
else
*_retval |= STATE_FOCUSABLE;
return NS_OK;
}
// ----- XUL Button: can contain arbitrary HTML content -----
nsXULButtonAccessible::nsXULButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsBlockAccessible(aNode, aShell)
{
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
if (index == 0) {
_retval = NS_LITERAL_STRING("press");
return NS_OK;
}
return NS_ERROR_INVALID_ARG;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsXULButtonAccessible::AccDoAction(PRUint8 index)
{
if (index == 0) {
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement )
{
buttonElement->DoCommand();
return NS_OK;
}
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_PUSHBUTTON;
return NS_OK;
}
/* long getAccState (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccState(PRUint32 *_retval)
{
nsAccessible::GetAccState(_retval);
*_retval |= STATE_FOCUSABLE;
return NS_OK;
}
/* wstring getAccName (); */
NS_IMETHODIMP nsXULButtonAccessible::GetAccName(nsAWritableString& _retval)
{
nsCOMPtr<nsIDOMXULButtonElement> buttonElement(do_QueryInterface(mDOMNode));
if ( buttonElement ) {
return buttonElement->GetLabel(_retval);
}
return NS_ERROR_FAILURE;
}
// --- XUL checkbox -----
nsXULCheckboxAccessible::nsXULCheckboxAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
nsXULFormControlAccessible(aNode, aShell)
{
}
/* unsigned long getAccRole (); */
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccRole(PRUint32 *_retval)
{
*_retval = ROLE_CHECKBUTTON;
return NS_OK;
}
/* PRUint8 getAccNumActions (); */
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccNumActions(PRUint8 *_retval)
{
*_retval = 1;
return NS_OK;
}
/* wstring getAccActionName (in PRUint8 index); */
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
{
if (index == 0) { // 0 is the magic value for default action
// check or uncheck
PRUint32 state;
GetAccState(&state);
if (state & STATE_CHECKED)
_retval = NS_LITERAL_STRING("uncheck");
else
_retval = NS_LITERAL_STRING("check");
return NS_OK;
}
return NS_ERROR_INVALID_ARG;
}
/* void accDoAction (in PRUint8 index); */
NS_IMETHODIMP nsXULCheckboxAccessible::AccDoAction(PRUint8 index)
{
if (index == 0) { // 0 is the magic value for default action
PRBool checked = PR_FALSE;
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement) {
xulCheckboxElement->GetChecked(&checked);
xulCheckboxElement->SetChecked(!checked);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
return NS_ERROR_INVALID_ARG;
}
NS_IMETHODIMP nsXULCheckboxAccessible::GetAccState(PRUint32 *_retval)
{
// Get focus state from parent
nsXULFormControlAccessible::GetAccState(_retval);
// Determine Checked state
PRBool checked = PR_FALSE;
nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
if (xulCheckboxElement)
xulCheckboxElement->GetChecked(&checked);
if (checked)
*_retval |= STATE_CHECKED;
return NS_OK;
}

88
accessible/src/xul/nsXULFormControlAccessible.h Normal file
Просмотреть файл

@ -0,0 +1,88 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
#ifndef _nsXULFormControlAccessible_H_
#define _nsXULFormControlAccessible_H_
// NOTE: alphabetically ordered
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
#include "nsHTMLFormControlAccessible.h"
#include "nsIDOMXULLabelElement.h"
/* Accessible for supporting for controls
* supports:
* - walking up to get name from label
* - support basic state
*/
class nsXULFormControlAccessible : public nsLeafAccessible
{
public:
nsXULFormControlAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
protected:
NS_IMETHODIMP AppendLabelText(nsIDOMNode *aLabelNode, nsAWritableString& _retval);
};
class nsXULButtonAccessible : public nsBlockAccessible
{
public:
nsXULButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
NS_IMETHOD GetAccState(PRUint32 *_retval);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
};
class nsXULCheckboxAccessible : public nsXULFormControlAccessible
{
public:
nsXULCheckboxAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccRole(PRUint32 *_retval);
NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
NS_IMETHOD AccDoAction(PRUint8 index);
NS_IMETHOD GetAccState(PRUint32 *_retval);
};
#endif

63
accessible/src/xul/nsXULTextAccessible.cpp Normal file
Просмотреть файл

@ -0,0 +1,63 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
// NOTE: alphabetically ordered
#include "nsIDOMXULDescriptionElement.h"
#include "nsIDOMXULLabelElement.h"
#include "nsWeakReference.h"
#include "nsXULTextAccessible.h"
/**
* For XUL descriptions and labels
*/
nsXULTextAccessible::nsXULTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell):
nsTextAccessible(aDomNode, aShell)
{
}
/* wstring getAccName (); */
NS_IMETHODIMP nsXULTextAccessible::GetAccName(nsAWritableString& _retval)
{
nsCOMPtr<nsIDOMXULDescriptionElement> descriptionElement(do_QueryInterface(mDOMNode));
if (descriptionElement) {
nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
return AppendFlatStringFromSubtree(content, &_retval);
}
return NS_ERROR_FAILURE;
}

56
accessible/src/xul/nsXULTextAccessible.h Normal file
Просмотреть файл

@ -0,0 +1,56 @@
/* -*- 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):
* Author: John Gaunt (jgaunt@netscape.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
* 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 ***** */
#ifndef _nsXULTextAccessible_H_
#define _nsXULTextAccessible_H_
#include "nsAccessible.h"
#include "nsBaseWidgetAccessible.h"
class nsIWeakReference;
class nsXULTextAccessible : public nsTextAccessible
{
public:
nsXULTextAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);
NS_IMETHOD GetAccName(nsAWritableString& _retval);
};
#endif