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Bug 752609 - [AccessFu] Shortening a11y event and role constant prefixes. r=eeejay

Browse Source 
---
 accessible/src/jsat/EventManager.jsm    |   33 ++++--
 accessible/src/jsat/OutputGenerator.jsm |   12 ++-
 accessible/src/jsat/TraversalRules.jsm  |  161 ++++++++++++++++++-------------
 accessible/src/jsat/Utils.jsm           |   21 +++--
 accessible/src/jsat/content-script.js   |    4 +-
 5 files changed, 141 insertions(+), 90 deletions(-)
This commit is contained in:
Yura Zenevich 2013-07-01 23:50:39 -04:00
parent 6f99bbbdaa
commit 3915b525a7
5 changed files with 141 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
accessible/src/jsat/EventManager.jsm
View File

@ -7,6 +7,18 @@
const Ci = Components.interfaces;
const Cu = Components.utils;
const EVENT_VIRTUALCURSOR_CHANGED = Ci.nsIAccessibleEvent.EVENT_VIRTUALCURSOR_CHANGED;
const EVENT_STATE_CHANGE = Ci.nsIAccessibleEvent.EVENT_STATE_CHANGE;
const EVENT_SCROLLING_START = Ci.nsIAccessibleEvent.EVENT_SCROLLING_START;
const EVENT_TEXT_CARET_MOVED = Ci.nsIAccessibleEvent.EVENT_TEXT_CARET_MOVED;
const EVENT_TEXT_INSERTED = Ci.nsIAccessibleEvent.EVENT_TEXT_INSERTED;
const EVENT_TEXT_REMOVED = Ci.nsIAccessibleEvent.EVENT_TEXT_REMOVED;
const EVENT_FOCUS = Ci.nsIAccessibleEvent.EVENT_FOCUS;
const ROLE_INTERNAL_FRAME = Ci.nsIAccessibleRole.ROLE_INTERNAL_FRAME;
const ROLE_DOCUMENT = Ci.nsIAccessibleRole.ROLE_DOCUMENT;
const ROLE_CHROME_WINDOW = Ci.nsIAccessibleRole.ROLE_CHROME_WINDOW;
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
XPCOMUtils.defineLazyModuleGetter(this, 'Services',
'resource://gre/modules/Services.jsm');
@ -127,18 +139,18 @@ this.EventManager.prototype = {
// Don't bother with non-content events in firefox.
if (Utils.MozBuildApp == 'browser' &&
aEvent.eventType != Ci.nsIAccessibleEvent.EVENT_VIRTUALCURSOR_CHANGED &&
aEvent.eventType != EVENT_VIRTUALCURSOR_CHANGED &&
aEvent.accessibleDocument != Utils.CurrentContentDoc) {
return;
}
switch (aEvent.eventType) {
case Ci.nsIAccessibleEvent.EVENT_VIRTUALCURSOR_CHANGED:
case EVENT_VIRTUALCURSOR_CHANGED:
{
let pivot = aEvent.accessible.
QueryInterface(Ci.nsIAccessibleDocument).virtualCursor;
let position = pivot.position;
if (position && position.role == Ci.nsIAccessibleRole.ROLE_INTERNAL_FRAME)
if (position && position.role == ROLE_INTERNAL_FRAME)
break;
let event = aEvent.
QueryInterface(Ci.nsIAccessibleVirtualCursorChangeEvent);
@ -152,7 +164,7 @@ this.EventManager.prototype = {
break;
}
case Ci.nsIAccessibleEvent.EVENT_STATE_CHANGE:
case EVENT_STATE_CHANGE:
{
let event = aEvent.QueryInterface(Ci.nsIAccessibleStateChangeEvent);
if (event.state == Ci.nsIAccessibleStates.STATE_CHECKED &&
@ -164,13 +176,13 @@ this.EventManager.prototype = {
}
break;
}
case Ci.nsIAccessibleEvent.EVENT_SCROLLING_START:
case EVENT_SCROLLING_START:
{
let vc = Utils.getVirtualCursor(aEvent.accessibleDocument);
vc.moveNext(TraversalRules.Simple, aEvent.accessible, true);
break;
}
case Ci.nsIAccessibleEvent.EVENT_TEXT_CARET_MOVED:
case EVENT_TEXT_CARET_MOVED:
{
let acc = aEvent.accessible;
let characterCount = acc.
@ -203,8 +215,8 @@ this.EventManager.prototype = {
this.editState = editState;
break;
}
case Ci.nsIAccessibleEvent.EVENT_TEXT_INSERTED:
case Ci.nsIAccessibleEvent.EVENT_TEXT_REMOVED:
case EVENT_TEXT_INSERTED:
case EVENT_TEXT_REMOVED:
{
if (aEvent.isFromUserInput) {
// XXX support live regions as well.
@ -228,13 +240,12 @@ this.EventManager.prototype = {
}
break;
}
case Ci.nsIAccessibleEvent.EVENT_FOCUS:
case EVENT_FOCUS:
{
// Put vc where the focus is at
let acc = aEvent.accessible;
let doc = aEvent.accessibleDocument;
if (acc.role != Ci.nsIAccessibleRole.ROLE_DOCUMENT &&
doc.role != Ci.nsIAccessibleRole.ROLE_CHROME_WINDOW) {
if (acc.role != ROLE_DOCUMENT && doc.role != ROLE_CHROME_WINDOW) {
let vc = Utils.getVirtualCursor(doc);
vc.moveNext(TraversalRules.Simple, acc, true);
}

12
accessible/src/jsat/OutputGenerator.jsm
View File

@ -17,6 +17,10 @@ const NAME_FROM_SUBTREE_RULE = 0x08;
const OUTPUT_DESC_FIRST = 0;
const OUTPUT_DESC_LAST = 1;
const ROLE_LISTITEM = Ci.nsIAccessibleRole.ROLE_LISTITEM;
const ROLE_STATICTEXT = Ci.nsIAccessibleRole.ROLE_STATICTEXT;
const ROLE_LINK = Ci.nsIAccessibleRole.ROLE_LINK;
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
XPCOMUtils.defineLazyModuleGetter(this, 'Utils',
'resource://gre/modules/accessibility/Utils.jsm');
@ -566,8 +570,8 @@ this.BrailleGenerator = {
let braille = this.objectOutputFunctions._generateBaseOutput.apply(this, arguments);
if (aAccessible.indexInParent === 1 &&
aAccessible.parent.role == Ci.nsIAccessibleRole.ROLE_LISTITEM &&
aAccessible.previousSibling.role == Ci.nsIAccessibleRole.ROLE_STATICTEXT) {
aAccessible.parent.role == ROLE_LISTITEM &&
aAccessible.previousSibling.role == ROLE_STATICTEXT) {
if (aAccessible.parent.parent && aAccessible.parent.parent.DOMNode &&
aAccessible.parent.parent.DOMNode.nodeName == 'UL') {
braille.unshift('*');
@ -622,7 +626,7 @@ this.BrailleGenerator = {
statictext: function statictext(aAccessible, aRoleStr, aStates, aFlags) {
// Since we customize the list bullet's output, we add the static
// text from the first node in each listitem, so skip it here.
if (aAccessible.parent.role == Ci.nsIAccessibleRole.ROLE_LISTITEM) {
if (aAccessible.parent.role == ROLE_LISTITEM) {
return [];
}
@ -654,7 +658,7 @@ this.BrailleGenerator = {
},
_getContextStart: function _getContextStart(aContext) {
if (aContext.accessible.parent.role == Ci.nsIAccessibleRole.ROLE_LINK) {
if (aContext.accessible.parent.role == ROLE_LINK) {
return [aContext.accessible.parent];
}

161
accessible/src/jsat/TraversalRules.jsm
View File

@ -13,6 +13,37 @@ const FILTER_IGNORE = Ci.nsIAccessibleTraversalRule.FILTER_IGNORE;
const FILTER_MATCH = Ci.nsIAccessibleTraversalRule.FILTER_MATCH;
const FILTER_IGNORE_SUBTREE = Ci.nsIAccessibleTraversalRule.FILTER_IGNORE_SUBTREE;
const ROLE_MENUITEM = Ci.nsIAccessibleRole.ROLE_MENUITEM;
const ROLE_LINK = Ci.nsIAccessibleRole.ROLE_LINK;
const ROLE_PAGETAB = Ci.nsIAccessibleRole.ROLE_PAGETAB;
const ROLE_GRAPHIC = Ci.nsIAccessibleRole.ROLE_GRAPHIC;
const ROLE_STATICTEXT = Ci.nsIAccessibleRole.ROLE_STATICTEXT;
const ROLE_TEXT_LEAF = Ci.nsIAccessibleRole.ROLE_TEXT_LEAF;
const ROLE_PUSHBUTTON = Ci.nsIAccessibleRole.ROLE_PUSHBUTTON;
const ROLE_SPINBUTTON = Ci.nsIAccessibleRole.ROLE_SPINBUTTON;
const ROLE_CHECKBUTTON = Ci.nsIAccessibleRole.ROLE_CHECKBUTTON;
const ROLE_RADIOBUTTON = Ci.nsIAccessibleRole.ROLE_RADIOBUTTON;
const ROLE_COMBOBOX = Ci.nsIAccessibleRole.ROLE_COMBOBOX;
const ROLE_PROGRESSBAR = Ci.nsIAccessibleRole.ROLE_PROGRESSBAR;
const ROLE_BUTTONDROPDOWN = Ci.nsIAccessibleRole.ROLE_BUTTONDROPDOWN;
const ROLE_BUTTONMENU = Ci.nsIAccessibleRole.ROLE_BUTTONMENU;
const ROLE_CHECK_MENU_ITEM = Ci.nsIAccessibleRole.ROLE_CHECK_MENU_ITEM;
const ROLE_PASSWORD_TEXT = Ci.nsIAccessibleRole.ROLE_PASSWORD_TEXT;
const ROLE_RADIO_MENU_ITEM = Ci.nsIAccessibleRole.ROLE_RADIO_MENU_ITEM;
const ROLE_TOGGLE_BUTTON = Ci.nsIAccessibleRole.ROLE_TOGGLE_BUTTON;
const ROLE_ENTRY = Ci.nsIAccessibleRole.ROLE_ENTRY;
const ROLE_LIST = Ci.nsIAccessibleRole.ROLE_LIST;
const ROLE_DEFINITION_LIST = Ci.nsIAccessibleRole.ROLE_DEFINITION_LIST;
const ROLE_LISTITEM = Ci.nsIAccessibleRole.ROLE_LISTITEM;
const ROLE_BUTTONDROPDOWNGRID = Ci.nsIAccessibleRole.ROLE_BUTTONDROPDOWNGRID;
const ROLE_LISTBOX = Ci.nsIAccessibleRole.ROLE_LISTBOX;
const ROLE_SLIDER = Ci.nsIAccessibleRole.ROLE_SLIDER;
const ROLE_HEADING = Ci.nsIAccessibleRole.ROLE_HEADING;
const ROLE_TERM = Ci.nsIAccessibleRole.ROLE_TERM;
const ROLE_SEPARATOR = Ci.nsIAccessibleRole.ROLE_SEPARATOR;
const ROLE_TABLE = Ci.nsIAccessibleRole.ROLE_TABLE;
const ROLE_INTERNAL_FRAME = Ci.nsIAccessibleRole.ROLE_INTERNAL_FRAME;
this.EXPORTED_SYMBOLS = ['TraversalRules'];
Cu.import('resource://gre/modules/accessibility/Utils.jsm');
@ -37,7 +68,7 @@ BaseTraversalRule.prototype = {
match: function BaseTraversalRule_match(aAccessible)
{
if (aAccessible.role == Ci.nsIAccessibleRole.ROLE_INTERNAL_FRAME) {
if (aAccessible.role == ROLE_INTERNAL_FRAME) {
return (Utils.getMessageManager(aAccessible.DOMNode)) ?
FILTER_MATCH | FILTER_IGNORE_SUBTREE : FILTER_IGNORE;
}
@ -52,37 +83,37 @@ BaseTraversalRule.prototype = {
};
var gSimpleTraversalRoles =
[Ci.nsIAccessibleRole.ROLE_MENUITEM,
Ci.nsIAccessibleRole.ROLE_LINK,
Ci.nsIAccessibleRole.ROLE_PAGETAB,
Ci.nsIAccessibleRole.ROLE_GRAPHIC,
Ci.nsIAccessibleRole.ROLE_STATICTEXT,
Ci.nsIAccessibleRole.ROLE_TEXT_LEAF,
Ci.nsIAccessibleRole.ROLE_PUSHBUTTON,
Ci.nsIAccessibleRole.ROLE_CHECKBUTTON,
Ci.nsIAccessibleRole.ROLE_RADIOBUTTON,
Ci.nsIAccessibleRole.ROLE_COMBOBOX,
Ci.nsIAccessibleRole.ROLE_PROGRESSBAR,
Ci.nsIAccessibleRole.ROLE_BUTTONDROPDOWN,
Ci.nsIAccessibleRole.ROLE_BUTTONMENU,
Ci.nsIAccessibleRole.ROLE_CHECK_MENU_ITEM,
Ci.nsIAccessibleRole.ROLE_PASSWORD_TEXT,
Ci.nsIAccessibleRole.ROLE_RADIO_MENU_ITEM,
Ci.nsIAccessibleRole.ROLE_TOGGLE_BUTTON,
Ci.nsIAccessibleRole.ROLE_ENTRY,
[ROLE_MENUITEM,
ROLE_LINK,
ROLE_PAGETAB,
ROLE_GRAPHIC,
ROLE_STATICTEXT,
ROLE_TEXT_LEAF,
ROLE_PUSHBUTTON,
ROLE_CHECKBUTTON,
ROLE_RADIOBUTTON,
ROLE_COMBOBOX,
ROLE_PROGRESSBAR,
ROLE_BUTTONDROPDOWN,
ROLE_BUTTONMENU,
ROLE_CHECK_MENU_ITEM,
ROLE_PASSWORD_TEXT,
ROLE_RADIO_MENU_ITEM,
ROLE_TOGGLE_BUTTON,
ROLE_ENTRY,
// Used for traversing in to child OOP frames.
Ci.nsIAccessibleRole.ROLE_INTERNAL_FRAME];
ROLE_INTERNAL_FRAME];
this.TraversalRules = {
Simple: new BaseTraversalRule(
gSimpleTraversalRoles,
function Simple_match(aAccessible) {
switch (aAccessible.role) {
case Ci.nsIAccessibleRole.ROLE_COMBOBOX:
case ROLE_COMBOBOX:
// We don't want to ignore the subtree because this is often
// where the list box hangs out.
return FILTER_MATCH;
case Ci.nsIAccessibleRole.ROLE_TEXT_LEAF:
case ROLE_TEXT_LEAF:
{
// Nameless text leaves are boring, skip them.
let name = aAccessible.name;
@ -91,24 +122,24 @@ this.TraversalRules = {
else
return FILTER_IGNORE;
}
case Ci.nsIAccessibleRole.ROLE_LINK:
case ROLE_LINK:
// If the link has children we should land on them instead.
// Image map links don't have children so we need to match those.
if (aAccessible.childCount == 0)
return FILTER_MATCH;
else
return FILTER_IGNORE;
case Ci.nsIAccessibleRole.ROLE_STATICTEXT:
case ROLE_STATICTEXT:
{
let parent = aAccessible.parent;
// Ignore prefix static text in list items. They are typically bullets or numbers.
if (parent.childCount > 1 && aAccessible.indexInParent == 0 &&
parent.role == Ci.nsIAccessibleRole.ROLE_LISTITEM)
parent.role == ROLE_LISTITEM)
return FILTER_IGNORE;
return FILTER_MATCH;
}
case Ci.nsIAccessibleRole.ROLE_GRAPHIC:
case ROLE_GRAPHIC:
return TraversalRules._shouldSkipImage(aAccessible);
default:
// Ignore the subtree, if there is one. So that we don't land on
@ -128,7 +159,7 @@ this.TraversalRules = {
),
Anchor: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_LINK],
[ROLE_LINK],
function Anchor_match(aAccessible)
{
// We want to ignore links, only focus named anchors.
@ -143,52 +174,52 @@ this.TraversalRules = {
}),
Button: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_PUSHBUTTON,
Ci.nsIAccessibleRole.ROLE_SPINBUTTON,
Ci.nsIAccessibleRole.ROLE_TOGGLE_BUTTON,
Ci.nsIAccessibleRole.ROLE_BUTTONDROPDOWN,
Ci.nsIAccessibleRole.ROLE_BUTTONDROPDOWNGRID]),
[ROLE_PUSHBUTTON,
ROLE_SPINBUTTON,
ROLE_TOGGLE_BUTTON,
ROLE_BUTTONDROPDOWN,
ROLE_BUTTONDROPDOWNGRID]),
Combobox: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_COMBOBOX,
Ci.nsIAccessibleRole.ROLE_LISTBOX]),
[ROLE_COMBOBOX,
ROLE_LISTBOX]),
Entry: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_ENTRY,
Ci.nsIAccessibleRole.ROLE_PASSWORD_TEXT]),
[ROLE_ENTRY,
ROLE_PASSWORD_TEXT]),
FormElement: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_PUSHBUTTON,
Ci.nsIAccessibleRole.ROLE_SPINBUTTON,
Ci.nsIAccessibleRole.ROLE_TOGGLE_BUTTON,
Ci.nsIAccessibleRole.ROLE_BUTTONDROPDOWN,
Ci.nsIAccessibleRole.ROLE_BUTTONDROPDOWNGRID,
Ci.nsIAccessibleRole.ROLE_COMBOBOX,
Ci.nsIAccessibleRole.ROLE_LISTBOX,
Ci.nsIAccessibleRole.ROLE_ENTRY,
Ci.nsIAccessibleRole.ROLE_PASSWORD_TEXT,
Ci.nsIAccessibleRole.ROLE_PAGETAB,
Ci.nsIAccessibleRole.ROLE_RADIOBUTTON,
Ci.nsIAccessibleRole.ROLE_RADIO_MENU_ITEM,
Ci.nsIAccessibleRole.ROLE_SLIDER,
Ci.nsIAccessibleRole.ROLE_CHECKBUTTON,
Ci.nsIAccessibleRole.ROLE_CHECK_MENU_ITEM]),
[ROLE_PUSHBUTTON,
ROLE_SPINBUTTON,
ROLE_TOGGLE_BUTTON,
ROLE_BUTTONDROPDOWN,
ROLE_BUTTONDROPDOWNGRID,
ROLE_COMBOBOX,
ROLE_LISTBOX,
ROLE_ENTRY,
ROLE_PASSWORD_TEXT,
ROLE_PAGETAB,
ROLE_RADIOBUTTON,
ROLE_RADIO_MENU_ITEM,
ROLE_SLIDER,
ROLE_CHECKBUTTON,
ROLE_CHECK_MENU_ITEM]),
Graphic: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_GRAPHIC],
[ROLE_GRAPHIC],
function Graphic_match(aAccessible) {
return TraversalRules._shouldSkipImage(aAccessible);
}),
Heading: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_HEADING]),
[ROLE_HEADING]),
ListItem: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_LISTITEM,
Ci.nsIAccessibleRole.ROLE_TERM]),
[ROLE_LISTITEM,
ROLE_TERM]),
Link: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_LINK],
[ROLE_LINK],
function Link_match(aAccessible)
{
// We want to ignore anchors, only focus real links.
@ -203,25 +234,25 @@ this.TraversalRules = {
}),
List: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_LIST,
Ci.nsIAccessibleRole.ROLE_DEFINITION_LIST]),
[ROLE_LIST,
ROLE_DEFINITION_LIST]),
PageTab: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_PAGETAB]),
[ROLE_PAGETAB]),
RadioButton: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_RADIOBUTTON,
Ci.nsIAccessibleRole.ROLE_RADIO_MENU_ITEM]),
[ROLE_RADIOBUTTON,
ROLE_RADIO_MENU_ITEM]),
Separator: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_SEPARATOR]),
[ROLE_SEPARATOR]),
Table: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_TABLE]),
[ROLE_TABLE]),
Checkbox: new BaseTraversalRule(
[Ci.nsIAccessibleRole.ROLE_CHECKBUTTON,
Ci.nsIAccessibleRole.ROLE_CHECK_MENU_ITEM]),
[ROLE_CHECKBUTTON,
ROLE_CHECK_MENU_ITEM]),
_shouldSkipImage: function _shouldSkipImage(aAccessible) {
if (gSkipEmptyImages.value && aAccessible.name === '') {

21
accessible/src/jsat/Utils.jsm
View File

@ -8,6 +8,12 @@ const Cu = Components.utils;
const Cc = Components.classes;
const Ci = Components.interfaces;
const EVENT_STATE_CHANGE = Ci.nsIAccessibleEvent.EVENT_STATE_CHANGE;
const ROLE_CELL = Ci.nsIAccessibleRole.ROLE_CELL;
const ROLE_COLUMNHEADER = Ci.nsIAccessibleRole.ROLE_COLUMNHEADER;
const ROLE_ROWHEADER = Ci.nsIAccessibleRole.ROLE_ROWHEADER;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, 'Services',
'resource://gre/modules/Services.jsm');
@ -310,7 +316,7 @@ this.Logger = {
eventToString: function eventToString(aEvent) {
let str = Utils.AccRetrieval.getStringEventType(aEvent.eventType);
if (aEvent.eventType == Ci.nsIAccessibleEvent.EVENT_STATE_CHANGE) {
if (aEvent.eventType == EVENT_STATE_CHANGE) {
let event = aEvent.QueryInterface(Ci.nsIAccessibleStateChangeEvent);
let stateStrings = event.isExtraState ?
Utils.AccRetrieval.getStringStates(0, event.state) :
@ -476,11 +482,9 @@ PivotContext.prototype = {
if (!aAccessible) {
return null;
}
if ([Ci.nsIAccessibleRole.ROLE_CELL,
Ci.nsIAccessibleRole.ROLE_COLUMNHEADER,
Ci.nsIAccessibleRole.ROLE_ROWHEADER].indexOf(
aAccessible.role) < 0) {
return null;
if ([ROLE_CELL, ROLE_COLUMNHEADER, ROLE_ROWHEADER].indexOf(
aAccessible.role) < 0) {
return null;
}
try {
return aAccessible.QueryInterface(Ci.nsIAccessibleTableCell);
@ -539,13 +543,12 @@ PivotContext.prototype = {
cellInfo.columnHeaders = [];
if (cellInfo.columnChanged && cellInfo.current.role !==
Ci.nsIAccessibleRole.ROLE_COLUMNHEADER) {
ROLE_COLUMNHEADER) {
cellInfo.columnHeaders = [headers for (headers of getHeaders(
cellInfo.current.columnHeaderCells))];
}
cellInfo.rowHeaders = [];
if (cellInfo.rowChanged && cellInfo.current.role ===
Ci.nsIAccessibleRole.ROLE_CELL) {
if (cellInfo.rowChanged && cellInfo.current.role === ROLE_CELL) {
cellInfo.rowHeaders = [headers for (headers of getHeaders(
cellInfo.current.rowHeaderCells))];
}

4
accessible/src/jsat/content-script.js
View File

@ -5,6 +5,8 @@
let Ci = Components.interfaces;
let Cu = Components.utils;
const ROLE_INTERNAL_FRAME = Ci.nsIAccessibleRole.ROLE_INTERNAL_FRAME;
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
XPCOMUtils.defineLazyModuleGetter(this, 'Logger',
'resource://gre/modules/accessibility/Utils.jsm');
@ -100,7 +102,7 @@ function virtualCursorControl(aMessage) {
function forwardMessage(aVirtualCursor, aMessage) {
try {
let acc = aVirtualCursor.position;
if (acc && acc.role == Ci.nsIAccessibleRole.ROLE_INTERNAL_FRAME) {
if (acc && acc.role == ROLE_INTERNAL_FRAME) {
let mm = Utils.getMessageManager(acc.DOMNode);
mm.addMessageListener(aMessage.name, virtualCursorControl);
aMessage.json.origin = 'parent';