LCOV - code coverage report
Current view: directory - accessible/src/atk - nsAccessibleWrap.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 538 0 0.0 %
Date: 2012-06-02 Functions: 38 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim: set ts=2 et sw=2 tw=80: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is mozilla.org code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Sun Microsystems, Inc.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2002
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Bolian Yin (bolian.yin@sun.com)
      25                 :  *   John Sun (john.sun@sun.com)
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #include "mozilla/Util.h"
      42                 : 
      43                 : #include "nsAccessible.h"
      44                 : #include "nsAccessibleWrap.h"
      45                 : 
      46                 : #include "nsAccUtils.h"
      47                 : #include "nsApplicationAccessibleWrap.h"
      48                 : #include "nsIAccessibleRelation.h"
      49                 : #include "nsRootAccessible.h"
      50                 : #include "nsDocAccessibleWrap.h"
      51                 : #include "nsIAccessibleValue.h"
      52                 : #include "nsString.h"
      53                 : #include "nsAutoPtr.h"
      54                 : #include "prprf.h"
      55                 : #include "nsRoleMap.h"
      56                 : #include "nsStateMap.h"
      57                 : #include "Relation.h"
      58                 : #include "States.h"
      59                 : 
      60                 : #include "nsMaiInterfaceComponent.h"
      61                 : #include "nsMaiInterfaceAction.h"
      62                 : #include "nsMaiInterfaceText.h"
      63                 : #include "nsMaiInterfaceEditableText.h"
      64                 : #include "nsMaiInterfaceSelection.h"
      65                 : #include "nsMaiInterfaceValue.h"
      66                 : #include "nsMaiInterfaceHypertext.h"
      67                 : #include "nsMaiInterfaceHyperlinkImpl.h"
      68                 : #include "nsMaiInterfaceTable.h"
      69                 : #include "nsXPCOMStrings.h"
      70                 : #include "nsComponentManagerUtils.h"
      71                 : #include "nsMaiInterfaceDocument.h"
      72                 : #include "nsMaiInterfaceImage.h"
      73                 : 
      74                 : using namespace mozilla;
      75                 : using namespace mozilla::a11y;
      76                 : 
      77                 : nsAccessibleWrap::EAvailableAtkSignals nsAccessibleWrap::gAvailableAtkSignals =
      78                 :   eUnknown;
      79                 : 
      80                 : //defined in nsApplicationAccessibleWrap.cpp
      81                 : extern "C" GType g_atk_hyperlink_impl_type;
      82                 : 
      83                 : /* MaiAtkObject */
      84                 : 
      85                 : enum {
      86                 :   ACTIVATE,
      87                 :   CREATE,
      88                 :   DEACTIVATE,
      89                 :   DESTROY,
      90                 :   MAXIMIZE,
      91                 :   MINIMIZE,
      92                 :   RESIZE,
      93                 :   RESTORE,
      94                 :   LAST_SIGNAL
      95                 : };
      96                 : 
      97                 : enum MaiInterfaceType {
      98                 :     MAI_INTERFACE_COMPONENT, /* 0 */
      99                 :     MAI_INTERFACE_ACTION,
     100                 :     MAI_INTERFACE_VALUE,
     101                 :     MAI_INTERFACE_EDITABLE_TEXT,
     102                 :     MAI_INTERFACE_HYPERTEXT,
     103                 :     MAI_INTERFACE_HYPERLINK_IMPL,
     104                 :     MAI_INTERFACE_SELECTION,
     105                 :     MAI_INTERFACE_TABLE,
     106                 :     MAI_INTERFACE_TEXT,
     107                 :     MAI_INTERFACE_DOCUMENT, 
     108                 :     MAI_INTERFACE_IMAGE /* 10 */
     109                 : };
     110                 : 
     111               0 : static GType GetAtkTypeForMai(MaiInterfaceType type)
     112                 : {
     113               0 :   switch (type) {
     114                 :     case MAI_INTERFACE_COMPONENT:
     115               0 :       return ATK_TYPE_COMPONENT;
     116                 :     case MAI_INTERFACE_ACTION:
     117               0 :       return ATK_TYPE_ACTION;
     118                 :     case MAI_INTERFACE_VALUE:
     119               0 :       return ATK_TYPE_VALUE;
     120                 :     case MAI_INTERFACE_EDITABLE_TEXT:
     121               0 :       return ATK_TYPE_EDITABLE_TEXT;
     122                 :     case MAI_INTERFACE_HYPERTEXT:
     123               0 :       return ATK_TYPE_HYPERTEXT;
     124                 :     case MAI_INTERFACE_HYPERLINK_IMPL:
     125               0 :        return g_atk_hyperlink_impl_type;
     126                 :     case MAI_INTERFACE_SELECTION:
     127               0 :       return ATK_TYPE_SELECTION;
     128                 :     case MAI_INTERFACE_TABLE:
     129               0 :       return ATK_TYPE_TABLE;
     130                 :     case MAI_INTERFACE_TEXT:
     131               0 :       return ATK_TYPE_TEXT;
     132                 :     case MAI_INTERFACE_DOCUMENT:
     133               0 :       return ATK_TYPE_DOCUMENT;
     134                 :     case MAI_INTERFACE_IMAGE:
     135               0 :       return ATK_TYPE_IMAGE;
     136                 :   }
     137               0 :   return G_TYPE_INVALID;
     138                 : }
     139                 : 
     140                 : static const char* kNonUserInputEvent = ":system";
     141                 :     
     142                 : static const GInterfaceInfo atk_if_infos[] = {
     143                 :     {(GInterfaceInitFunc)componentInterfaceInitCB,
     144                 :      (GInterfaceFinalizeFunc) NULL, NULL}, 
     145                 :     {(GInterfaceInitFunc)actionInterfaceInitCB,
     146                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     147                 :     {(GInterfaceInitFunc)valueInterfaceInitCB,
     148                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     149                 :     {(GInterfaceInitFunc)editableTextInterfaceInitCB,
     150                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     151                 :     {(GInterfaceInitFunc)hypertextInterfaceInitCB,
     152                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     153                 :     {(GInterfaceInitFunc)hyperlinkImplInterfaceInitCB,
     154                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     155                 :     {(GInterfaceInitFunc)selectionInterfaceInitCB,
     156                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     157                 :     {(GInterfaceInitFunc)tableInterfaceInitCB,
     158                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     159                 :     {(GInterfaceInitFunc)textInterfaceInitCB,
     160                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     161                 :     {(GInterfaceInitFunc)documentInterfaceInitCB,
     162                 :      (GInterfaceFinalizeFunc) NULL, NULL},
     163                 :     {(GInterfaceInitFunc)imageInterfaceInitCB,
     164                 :      (GInterfaceFinalizeFunc) NULL, NULL}
     165                 : };
     166                 : 
     167                 : /**
     168                 :  * This MaiAtkObject is a thin wrapper, in the MAI namespace, for AtkObject
     169                 :  */
     170                 : struct MaiAtkObject
     171                 : {
     172                 :     AtkObject parent;
     173                 :     /*
     174                 :      * The nsAccessibleWrap whose properties and features are exported
     175                 :      * via this object instance.
     176                 :      */
     177                 :     nsAccessibleWrap *accWrap;
     178                 : };
     179                 : 
     180                 : struct MaiAtkObjectClass
     181                 : {
     182                 :     AtkObjectClass parent_class;
     183                 : };
     184                 : 
     185                 : static guint mai_atk_object_signals [LAST_SIGNAL] = { 0, };
     186                 : 
     187                 : #ifdef MAI_LOGGING
     188                 : PRInt32 sMaiAtkObjCreated = 0;
     189                 : PRInt32 sMaiAtkObjDeleted = 0;
     190                 : #endif
     191                 : 
     192                 : G_BEGIN_DECLS
     193                 : /* callbacks for MaiAtkObject */
     194                 : static void classInitCB(AtkObjectClass *aClass);
     195                 : static void initializeCB(AtkObject *aAtkObj, gpointer aData);
     196                 : static void finalizeCB(GObject *aObj);
     197                 : 
     198                 : /* callbacks for AtkObject virtual functions */
     199                 : static const gchar*        getNameCB (AtkObject *aAtkObj);
     200                 : /* getDescriptionCB is also used by image interface */
     201                 :        const gchar*        getDescriptionCB (AtkObject *aAtkObj);
     202                 : static AtkRole             getRoleCB(AtkObject *aAtkObj);
     203                 : static AtkAttributeSet*    getAttributesCB(AtkObject *aAtkObj);
     204                 : static AtkObject*          getParentCB(AtkObject *aAtkObj);
     205                 : static gint                getChildCountCB(AtkObject *aAtkObj);
     206                 : static AtkObject*          refChildCB(AtkObject *aAtkObj, gint aChildIndex);
     207                 : static gint                getIndexInParentCB(AtkObject *aAtkObj);
     208                 : static AtkStateSet*        refStateSetCB(AtkObject *aAtkObj);
     209                 : static AtkRelationSet*     refRelationSetCB(AtkObject *aAtkObj);
     210                 : 
     211                 : /* the missing atkobject virtual functions */
     212                 : /*
     213                 :   static AtkLayer            getLayerCB(AtkObject *aAtkObj);
     214                 :   static gint                getMdiZorderCB(AtkObject *aAtkObj);
     215                 :   static void                SetNameCB(AtkObject *aAtkObj,
     216                 :   const gchar *name);
     217                 :   static void                SetDescriptionCB(AtkObject *aAtkObj,
     218                 :   const gchar *description);
     219                 :   static void                SetParentCB(AtkObject *aAtkObj,
     220                 :   AtkObject *parent);
     221                 :   static void                SetRoleCB(AtkObject *aAtkObj,
     222                 :   AtkRole role);
     223                 :   static guint               ConnectPropertyChangeHandlerCB(
     224                 :   AtkObject  *aObj,
     225                 :   AtkPropertyChangeHandler *handler);
     226                 :   static void                RemovePropertyChangeHandlerCB(
     227                 :   AtkObject *aAtkObj,
     228                 :   guint handler_id);
     229                 :   static void                InitializeCB(AtkObject *aAtkObj,
     230                 :   gpointer data);
     231                 :   static void                ChildrenChangedCB(AtkObject *aAtkObj,
     232                 :   guint change_index,
     233                 :   gpointer changed_child);
     234                 :   static void                FocusEventCB(AtkObject *aAtkObj,
     235                 :   gboolean focus_in);
     236                 :   static void                PropertyChangeCB(AtkObject *aAtkObj,
     237                 :   AtkPropertyValues *values);
     238                 :   static void                StateChangeCB(AtkObject *aAtkObj,
     239                 :   const gchar *name,
     240                 :   gboolean state_set);
     241                 :   static void                VisibleDataChangedCB(AtkObject *aAtkObj);
     242                 : */
     243                 : G_END_DECLS
     244                 : 
     245                 : static GType GetMaiAtkType(PRUint16 interfacesBits);
     246                 : static const char * GetUniqueMaiAtkTypeName(PRUint16 interfacesBits);
     247                 : 
     248                 : static gpointer parent_class = NULL;
     249                 : 
     250                 : static GQuark quark_mai_hyperlink = 0;
     251                 : 
     252                 : GType
     253               0 : mai_atk_object_get_type(void)
     254                 : {
     255                 :     static GType type = 0;
     256                 : 
     257               0 :     if (!type) {
     258                 :         static const GTypeInfo tinfo = {
     259                 :             sizeof(MaiAtkObjectClass),
     260                 :             (GBaseInitFunc)NULL,
     261                 :             (GBaseFinalizeFunc)NULL,
     262                 :             (GClassInitFunc)classInitCB,
     263                 :             (GClassFinalizeFunc)NULL,
     264                 :             NULL, /* class data */
     265                 :             sizeof(MaiAtkObject), /* instance size */
     266                 :             0, /* nb preallocs */
     267                 :             (GInstanceInitFunc)NULL,
     268                 :             NULL /* value table */
     269                 :         };
     270                 : 
     271                 :         type = g_type_register_static(ATK_TYPE_OBJECT,
     272               0 :                                       "MaiAtkObject", &tinfo, GTypeFlags(0));
     273               0 :         quark_mai_hyperlink = g_quark_from_static_string("MaiHyperlink");
     274                 :     }
     275               0 :     return type;
     276                 : }
     277                 : 
     278                 : #ifdef MAI_LOGGING
     279                 : PRInt32 nsAccessibleWrap::mAccWrapCreated = 0;
     280                 : PRInt32 nsAccessibleWrap::mAccWrapDeleted = 0;
     281                 : #endif
     282                 : 
     283               0 : nsAccessibleWrap::
     284                 :   nsAccessibleWrap(nsIContent* aContent, nsDocAccessible* aDoc) :
     285               0 :   nsAccessible(aContent, aDoc), mAtkObject(nsnull)
     286                 : {
     287                 : #ifdef MAI_LOGGING
     288               0 :     ++mAccWrapCreated;
     289                 : #endif
     290               0 :     MAI_LOG_DEBUG(("==nsAccessibleWrap creating: this=%p,total=%d left=%d\n",
     291                 :                    (void*)this, mAccWrapCreated,
     292                 :                   (mAccWrapCreated-mAccWrapDeleted)));
     293               0 : }
     294                 : 
     295               0 : nsAccessibleWrap::~nsAccessibleWrap()
     296                 : {
     297               0 :     NS_ASSERTION(!mAtkObject, "ShutdownAtkObject() is not called");
     298                 : 
     299                 : #ifdef MAI_LOGGING
     300               0 :     ++mAccWrapDeleted;
     301                 : #endif
     302               0 :     MAI_LOG_DEBUG(("==nsAccessibleWrap deleting: this=%p,total=%d left=%d\n",
     303                 :                    (void*)this, mAccWrapDeleted,
     304                 :                    (mAccWrapCreated-mAccWrapDeleted)));
     305               0 : }
     306                 : 
     307               0 : void nsAccessibleWrap::ShutdownAtkObject()
     308                 : {
     309               0 :     if (mAtkObject) {
     310               0 :         if (IS_MAI_OBJECT(mAtkObject)) {
     311               0 :             MAI_ATK_OBJECT(mAtkObject)->accWrap = nsnull;
     312                 :         }
     313               0 :         SetMaiHyperlink(nsnull);
     314               0 :         g_object_unref(mAtkObject);
     315               0 :         mAtkObject = nsnull;
     316                 :     }
     317               0 : }
     318                 : 
     319                 : void
     320               0 : nsAccessibleWrap::Shutdown()
     321                 : {
     322               0 :     ShutdownAtkObject();
     323               0 :     nsAccessible::Shutdown();
     324               0 : }
     325                 : 
     326               0 : MaiHyperlink* nsAccessibleWrap::GetMaiHyperlink(bool aCreate /* = true */)
     327                 : {
     328                 :     // make sure mAtkObject is created
     329               0 :     GetAtkObject();
     330                 : 
     331               0 :     NS_ASSERTION(quark_mai_hyperlink, "quark_mai_hyperlink not initialized");
     332               0 :     NS_ASSERTION(IS_MAI_OBJECT(mAtkObject), "Invalid AtkObject");
     333               0 :     MaiHyperlink* maiHyperlink = nsnull;
     334               0 :     if (quark_mai_hyperlink && IS_MAI_OBJECT(mAtkObject)) {
     335               0 :         maiHyperlink = (MaiHyperlink*)g_object_get_qdata(G_OBJECT(mAtkObject),
     336               0 :                                                          quark_mai_hyperlink);
     337               0 :         if (!maiHyperlink && aCreate) {
     338               0 :             maiHyperlink = new MaiHyperlink(this);
     339               0 :             SetMaiHyperlink(maiHyperlink);
     340                 :         }
     341                 :     }
     342               0 :     return maiHyperlink;
     343                 : }
     344                 : 
     345               0 : void nsAccessibleWrap::SetMaiHyperlink(MaiHyperlink* aMaiHyperlink)
     346                 : {
     347               0 :     NS_ASSERTION(quark_mai_hyperlink, "quark_mai_hyperlink not initialized");
     348               0 :     NS_ASSERTION(IS_MAI_OBJECT(mAtkObject), "Invalid AtkObject");
     349               0 :     if (quark_mai_hyperlink && IS_MAI_OBJECT(mAtkObject)) {
     350               0 :         MaiHyperlink* maiHyperlink = GetMaiHyperlink(false);
     351               0 :         if (!maiHyperlink && !aMaiHyperlink) {
     352               0 :             return; // Never set and we're shutting down
     353                 :         }
     354               0 :         delete maiHyperlink;
     355               0 :         g_object_set_qdata(G_OBJECT(mAtkObject), quark_mai_hyperlink,
     356               0 :                            aMaiHyperlink);
     357                 :     }
     358                 : }
     359                 : 
     360               0 : NS_IMETHODIMP nsAccessibleWrap::GetNativeInterface(void **aOutAccessible)
     361                 : {
     362               0 :     *aOutAccessible = nsnull;
     363                 : 
     364               0 :     if (!mAtkObject) {
     365               0 :         if (IsDefunct() || !nsAccUtils::IsEmbeddedObject(this)) {
     366                 :             // We don't create ATK objects for node which has been shutdown, or
     367                 :             // nsIAccessible plain text leaves
     368               0 :             return NS_ERROR_FAILURE;
     369                 :         }
     370                 : 
     371               0 :         GType type = GetMaiAtkType(CreateMaiInterfaces());
     372               0 :         NS_ENSURE_TRUE(type, NS_ERROR_FAILURE);
     373                 :         mAtkObject =
     374                 :             reinterpret_cast<AtkObject *>
     375               0 :                             (g_object_new(type, NULL));
     376               0 :         NS_ENSURE_TRUE(mAtkObject, NS_ERROR_OUT_OF_MEMORY);
     377                 : 
     378               0 :         atk_object_initialize(mAtkObject, this);
     379               0 :         mAtkObject->role = ATK_ROLE_INVALID;
     380               0 :         mAtkObject->layer = ATK_LAYER_INVALID;
     381                 :     }
     382                 : 
     383               0 :     *aOutAccessible = mAtkObject;
     384               0 :     return NS_OK;
     385                 : }
     386                 : 
     387                 : AtkObject *
     388               0 : nsAccessibleWrap::GetAtkObject(void)
     389                 : {
     390               0 :     void *atkObj = nsnull;
     391               0 :     GetNativeInterface(&atkObj);
     392               0 :     return static_cast<AtkObject *>(atkObj);
     393                 : }
     394                 : 
     395                 : // Get AtkObject from nsIAccessible interface
     396                 : /* static */
     397                 : AtkObject *
     398               0 : nsAccessibleWrap::GetAtkObject(nsIAccessible * acc)
     399                 : {
     400               0 :     void *atkObjPtr = nsnull;
     401               0 :     acc->GetNativeInterface(&atkObjPtr);
     402               0 :     return atkObjPtr ? ATK_OBJECT(atkObjPtr) : nsnull;    
     403                 : }
     404                 : 
     405                 : /* private */
     406                 : PRUint16
     407               0 : nsAccessibleWrap::CreateMaiInterfaces(void)
     408                 : {
     409               0 :     PRUint16 interfacesBits = 0;
     410                 :     
     411                 :     // Add Interfaces for each nsIAccessible.ext interfaces
     412                 : 
     413                 :     // the Component interface are supported by all nsIAccessible
     414               0 :     interfacesBits |= 1 << MAI_INTERFACE_COMPONENT;
     415                 : 
     416                 :   // Add Action interface if the action count is more than zero.
     417               0 :   if (ActionCount() > 0)
     418               0 :     interfacesBits |= 1 << MAI_INTERFACE_ACTION;
     419                 : 
     420                 :     //nsIAccessibleText
     421               0 :     nsCOMPtr<nsIAccessibleText> accessInterfaceText;
     422                 :     QueryInterface(NS_GET_IID(nsIAccessibleText),
     423               0 :                    getter_AddRefs(accessInterfaceText));
     424               0 :     if (accessInterfaceText) {
     425               0 :         interfacesBits |= 1 << MAI_INTERFACE_TEXT;
     426                 :     }
     427                 : 
     428                 :     //nsIAccessibleEditableText
     429               0 :     nsCOMPtr<nsIAccessibleEditableText> accessInterfaceEditableText;
     430                 :     QueryInterface(NS_GET_IID(nsIAccessibleEditableText),
     431               0 :                    getter_AddRefs(accessInterfaceEditableText));
     432               0 :     if (accessInterfaceEditableText) {
     433               0 :         interfacesBits |= 1 << MAI_INTERFACE_EDITABLE_TEXT;
     434                 :     }
     435                 : 
     436                 :     //nsIAccessibleValue
     437               0 :     nsCOMPtr<nsIAccessibleValue> accessInterfaceValue;
     438                 :     QueryInterface(NS_GET_IID(nsIAccessibleValue),
     439               0 :                    getter_AddRefs(accessInterfaceValue));
     440               0 :     if (accessInterfaceValue) {
     441               0 :        interfacesBits |= 1 << MAI_INTERFACE_VALUE; 
     442                 :     }
     443                 : 
     444                 :     // document accessible
     445               0 :     if (IsDoc())
     446               0 :         interfacesBits |= 1 << MAI_INTERFACE_DOCUMENT;
     447                 : 
     448               0 :     if (IsImageAccessible())
     449               0 :         interfacesBits |= 1 << MAI_INTERFACE_IMAGE;
     450                 : 
     451                 :   // HyperLinkAccessible
     452               0 :   if (IsLink())
     453               0 :     interfacesBits |= 1 << MAI_INTERFACE_HYPERLINK_IMPL;
     454                 : 
     455               0 :     if (!nsAccUtils::MustPrune(this)) {  // These interfaces require children
     456                 :       //nsIAccessibleHypertext
     457               0 :       if (IsHyperText()) {
     458               0 :           interfacesBits |= 1 << MAI_INTERFACE_HYPERTEXT;
     459                 :       }
     460                 : 
     461                 :       //nsIAccessibleTable
     462               0 :       nsCOMPtr<nsIAccessibleTable> accessInterfaceTable;
     463                 :       QueryInterface(NS_GET_IID(nsIAccessibleTable),
     464               0 :                      getter_AddRefs(accessInterfaceTable));
     465               0 :       if (accessInterfaceTable) {
     466               0 :           interfacesBits |= 1 << MAI_INTERFACE_TABLE;
     467                 :       }
     468                 :       
     469                 :       //nsIAccessibleSelection
     470               0 :       if (IsSelect()) {
     471               0 :           interfacesBits |= 1 << MAI_INTERFACE_SELECTION;
     472                 :       }
     473                 :     }
     474                 : 
     475               0 :     return interfacesBits;
     476                 : }
     477                 : 
     478                 : static GType
     479               0 : GetMaiAtkType(PRUint16 interfacesBits)
     480                 : {
     481                 :     GType type;
     482                 :     static const GTypeInfo tinfo = {
     483                 :         sizeof(MaiAtkObjectClass),
     484                 :         (GBaseInitFunc) NULL,
     485                 :         (GBaseFinalizeFunc) NULL,
     486                 :         (GClassInitFunc) NULL,
     487                 :         (GClassFinalizeFunc) NULL,
     488                 :         NULL, /* class data */
     489                 :         sizeof(MaiAtkObject), /* instance size */
     490                 :         0, /* nb preallocs */
     491                 :         (GInstanceInitFunc) NULL,
     492                 :         NULL /* value table */
     493                 :     };
     494                 : 
     495                 :     /*
     496                 :      * The members we use to register GTypes are GetAtkTypeForMai
     497                 :      * and atk_if_infos, which are constant values to each MaiInterface
     498                 :      * So we can reuse the registered GType when having
     499                 :      * the same MaiInterface types.
     500                 :      */
     501               0 :     const char *atkTypeName = GetUniqueMaiAtkTypeName(interfacesBits);
     502               0 :     type = g_type_from_name(atkTypeName);
     503               0 :     if (type) {
     504               0 :         return type;
     505                 :     }
     506                 : 
     507                 :     /*
     508                 :      * gobject limits the number of types that can directly derive from any
     509                 :      * given object type to 4095.
     510                 :      */
     511                 :     static PRUint16 typeRegCount = 0;
     512               0 :     if (typeRegCount++ >= 4095) {
     513               0 :         return G_TYPE_INVALID;
     514                 :     }
     515                 :     type = g_type_register_static(MAI_TYPE_ATK_OBJECT,
     516                 :                                   atkTypeName,
     517               0 :                                   &tinfo, GTypeFlags(0));
     518                 : 
     519               0 :     for (PRUint32 index = 0; index < ArrayLength(atk_if_infos); index++) {
     520               0 :       if (interfacesBits & (1 << index)) {
     521                 :         g_type_add_interface_static(type,
     522                 :                                     GetAtkTypeForMai((MaiInterfaceType)index),
     523               0 :                                     &atk_if_infos[index]);
     524                 :       }
     525                 :     }
     526                 : 
     527               0 :     return type;
     528                 : }
     529                 : 
     530                 : static const char *
     531               0 : GetUniqueMaiAtkTypeName(PRUint16 interfacesBits)
     532                 : {
     533                 : #define MAI_ATK_TYPE_NAME_LEN (30)     /* 10+sizeof(PRUint16)*8/4+1 < 30 */
     534                 : 
     535                 :     static gchar namePrefix[] = "MaiAtkType";   /* size = 10 */
     536                 :     static gchar name[MAI_ATK_TYPE_NAME_LEN + 1];
     537                 : 
     538                 :     PR_snprintf(name, MAI_ATK_TYPE_NAME_LEN, "%s%x", namePrefix,
     539               0 :                 interfacesBits);
     540               0 :     name[MAI_ATK_TYPE_NAME_LEN] = '\0';
     541                 : 
     542               0 :     MAI_LOG_DEBUG(("MaiWidget::LastedTypeName=%s\n", name));
     543                 : 
     544               0 :     return name;
     545                 : }
     546                 : 
     547               0 : bool nsAccessibleWrap::IsValidObject()
     548                 : {
     549                 :     // to ensure we are not shut down
     550               0 :     return !IsDefunct();
     551                 : }
     552                 : 
     553                 : /* static functions for ATK callbacks */
     554                 : void
     555               0 : classInitCB(AtkObjectClass *aClass)
     556                 : {
     557               0 :     GObjectClass *gobject_class = G_OBJECT_CLASS(aClass);
     558                 : 
     559               0 :     parent_class = g_type_class_peek_parent(aClass);
     560                 : 
     561               0 :     aClass->get_name = getNameCB;
     562               0 :     aClass->get_description = getDescriptionCB;
     563               0 :     aClass->get_parent = getParentCB;
     564               0 :     aClass->get_n_children = getChildCountCB;
     565               0 :     aClass->ref_child = refChildCB;
     566               0 :     aClass->get_index_in_parent = getIndexInParentCB;
     567               0 :     aClass->get_role = getRoleCB;
     568               0 :     aClass->get_attributes = getAttributesCB;
     569               0 :     aClass->ref_state_set = refStateSetCB;
     570               0 :     aClass->ref_relation_set = refRelationSetCB;
     571                 : 
     572               0 :     aClass->initialize = initializeCB;
     573                 : 
     574               0 :     gobject_class->finalize = finalizeCB;
     575                 : 
     576                 :     mai_atk_object_signals [ACTIVATE] =
     577                 :     g_signal_new ("activate",
     578                 :                   MAI_TYPE_ATK_OBJECT,
     579                 :                   G_SIGNAL_RUN_LAST,
     580                 :                   0, /* default signal handler */
     581                 :                   NULL, NULL,
     582                 :                   g_cclosure_marshal_VOID__VOID,
     583               0 :                   G_TYPE_NONE, 0);
     584                 :     mai_atk_object_signals [CREATE] =
     585                 :     g_signal_new ("create",
     586                 :                   MAI_TYPE_ATK_OBJECT,
     587                 :                   G_SIGNAL_RUN_LAST,
     588                 :                   0, /* default signal handler */
     589                 :                   NULL, NULL,
     590                 :                   g_cclosure_marshal_VOID__VOID,
     591               0 :                   G_TYPE_NONE, 0);
     592                 :     mai_atk_object_signals [DEACTIVATE] =
     593                 :     g_signal_new ("deactivate",
     594                 :                   MAI_TYPE_ATK_OBJECT,
     595                 :                   G_SIGNAL_RUN_LAST,
     596                 :                   0, /* default signal handler */
     597                 :                   NULL, NULL,
     598                 :                   g_cclosure_marshal_VOID__VOID,
     599               0 :                   G_TYPE_NONE, 0);
     600                 :     mai_atk_object_signals [DESTROY] =
     601                 :     g_signal_new ("destroy",
     602                 :                   MAI_TYPE_ATK_OBJECT,
     603                 :                   G_SIGNAL_RUN_LAST,
     604                 :                   0, /* default signal handler */
     605                 :                   NULL, NULL,
     606                 :                   g_cclosure_marshal_VOID__VOID,
     607               0 :                   G_TYPE_NONE, 0);
     608                 :     mai_atk_object_signals [MAXIMIZE] =
     609                 :     g_signal_new ("maximize",
     610                 :                   MAI_TYPE_ATK_OBJECT,
     611                 :                   G_SIGNAL_RUN_LAST,
     612                 :                   0, /* default signal handler */
     613                 :                   NULL, NULL,
     614                 :                   g_cclosure_marshal_VOID__VOID,
     615               0 :                   G_TYPE_NONE, 0);
     616                 :     mai_atk_object_signals [MINIMIZE] =
     617                 :     g_signal_new ("minimize",
     618                 :                   MAI_TYPE_ATK_OBJECT,
     619                 :                   G_SIGNAL_RUN_LAST,
     620                 :                   0, /* default signal handler */
     621                 :                   NULL, NULL,
     622                 :                   g_cclosure_marshal_VOID__VOID,
     623               0 :                   G_TYPE_NONE, 0);
     624                 :     mai_atk_object_signals [RESIZE] =
     625                 :     g_signal_new ("resize",
     626                 :                   MAI_TYPE_ATK_OBJECT,
     627                 :                   G_SIGNAL_RUN_LAST,
     628                 :                   0, /* default signal handler */
     629                 :                   NULL, NULL,
     630                 :                   g_cclosure_marshal_VOID__VOID,
     631               0 :                   G_TYPE_NONE, 0);
     632                 :     mai_atk_object_signals [RESTORE] =
     633                 :     g_signal_new ("restore",
     634                 :                   MAI_TYPE_ATK_OBJECT,
     635                 :                   G_SIGNAL_RUN_LAST,
     636                 :                   0, /* default signal handler */
     637                 :                   NULL, NULL,
     638                 :                   g_cclosure_marshal_VOID__VOID,
     639               0 :                   G_TYPE_NONE, 0);
     640                 : 
     641               0 : }
     642                 : 
     643                 : void
     644               0 : initializeCB(AtkObject *aAtkObj, gpointer aData)
     645                 : {
     646               0 :     NS_ASSERTION((IS_MAI_OBJECT(aAtkObj)), "Invalid AtkObject");
     647               0 :     NS_ASSERTION(aData, "Invalid Data to init AtkObject");
     648               0 :     if (!aAtkObj || !aData)
     649               0 :         return;
     650                 : 
     651                 :     /* call parent init function */
     652                 :     /* AtkObjectClass has not a "initialize" function now,
     653                 :      * maybe it has later
     654                 :      */
     655                 : 
     656               0 :     if (ATK_OBJECT_CLASS(parent_class)->initialize)
     657               0 :         ATK_OBJECT_CLASS(parent_class)->initialize(aAtkObj, aData);
     658                 : 
     659                 :     /* initialize object */
     660               0 :     MAI_ATK_OBJECT(aAtkObj)->accWrap =
     661               0 :         static_cast<nsAccessibleWrap*>(aData);
     662                 : 
     663                 : #ifdef MAI_LOGGING
     664               0 :     ++sMaiAtkObjCreated;
     665                 : #endif
     666               0 :     MAI_LOG_DEBUG(("MaiAtkObj Create obj=%p for AccWrap=%p, all=%d, left=%d\n",
     667                 :                    (void*)aAtkObj, (void*)aData, sMaiAtkObjCreated,
     668                 :                    (sMaiAtkObjCreated-sMaiAtkObjDeleted)));
     669                 : }
     670                 : 
     671                 : void
     672               0 : finalizeCB(GObject *aObj)
     673                 : {
     674               0 :     if (!IS_MAI_OBJECT(aObj))
     675               0 :         return;
     676               0 :     NS_ASSERTION(MAI_ATK_OBJECT(aObj)->accWrap == nsnull, "AccWrap NOT null");
     677                 : 
     678                 : #ifdef MAI_LOGGING
     679               0 :     ++sMaiAtkObjDeleted;
     680                 : #endif
     681               0 :     MAI_LOG_DEBUG(("MaiAtkObj Delete obj=%p, all=%d, left=%d\n",
     682                 :                    (void*)aObj, sMaiAtkObjCreated,
     683                 :                    (sMaiAtkObjCreated-sMaiAtkObjDeleted)));
     684                 : 
     685                 :     // call parent finalize function
     686                 :     // finalize of GObjectClass will unref the accessible parent if has
     687               0 :     if (G_OBJECT_CLASS (parent_class)->finalize)
     688               0 :         G_OBJECT_CLASS (parent_class)->finalize(aObj);
     689                 : }
     690                 : 
     691                 : const gchar *
     692               0 : getNameCB(AtkObject *aAtkObj)
     693                 : {
     694               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     695               0 :     if (!accWrap) {
     696               0 :         return nsnull;
     697                 :     }
     698                 : 
     699                 :     /* nsIAccessible is responsible for the non-NULL name */
     700               0 :     nsAutoString uniName;
     701               0 :     nsresult rv = accWrap->GetName(uniName);
     702               0 :     NS_ENSURE_SUCCESS(rv, nsnull);
     703                 : 
     704               0 :     NS_ConvertUTF8toUTF16 objName(aAtkObj->name);
     705               0 :     if (!uniName.Equals(objName)) {
     706                 :         atk_object_set_name(aAtkObj,
     707               0 :                             NS_ConvertUTF16toUTF8(uniName).get());
     708                 :     }
     709               0 :     return aAtkObj->name;
     710                 : }
     711                 : 
     712                 : const gchar *
     713               0 : getDescriptionCB(AtkObject *aAtkObj)
     714                 : {
     715               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     716               0 :     if (!accWrap || accWrap->IsDefunct())
     717               0 :         return nsnull;
     718                 : 
     719                 :     /* nsIAccessible is responsible for the non-NULL description */
     720               0 :     nsAutoString uniDesc;
     721               0 :     accWrap->Description(uniDesc);
     722                 : 
     723               0 :     NS_ConvertUTF8toUTF16 objDesc(aAtkObj->description);
     724               0 :     if (!uniDesc.Equals(objDesc))
     725                 :         atk_object_set_description(aAtkObj,
     726               0 :                                    NS_ConvertUTF16toUTF8(uniDesc).get());
     727                 : 
     728               0 :     return aAtkObj->description;
     729                 : }
     730                 : 
     731                 : AtkRole
     732               0 : getRoleCB(AtkObject *aAtkObj)
     733                 : {
     734               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     735               0 :     if (!accWrap) {
     736               0 :         return ATK_ROLE_INVALID;
     737                 :     }
     738                 : 
     739                 : #ifdef DEBUG_A11Y
     740                 :     NS_ASSERTION(nsAccUtils::IsTextInterfaceSupportCorrect(accWrap),
     741                 :                  "Does not support nsIAccessibleText when it should");
     742                 : #endif
     743                 : 
     744               0 :     if (aAtkObj->role == ATK_ROLE_INVALID) {
     745                 :         // map to the actual value
     746               0 :         PRUint32 atkRole = atkRoleMap[accWrap->Role()];
     747               0 :         NS_ASSERTION(atkRoleMap[nsIAccessibleRole::ROLE_LAST_ENTRY] ==
     748                 :                      kROLE_ATK_LAST_ENTRY, "ATK role map skewed");
     749               0 :         aAtkObj->role = static_cast<AtkRole>(atkRole);
     750                 :     }
     751               0 :     return aAtkObj->role;
     752                 : }
     753                 : 
     754                 : AtkAttributeSet*
     755               0 : ConvertToAtkAttributeSet(nsIPersistentProperties* aAttributes)
     756                 : {
     757               0 :     if (!aAttributes)
     758               0 :         return nsnull;
     759                 : 
     760               0 :     AtkAttributeSet *objAttributeSet = nsnull;
     761               0 :     nsCOMPtr<nsISimpleEnumerator> propEnum;
     762               0 :     nsresult rv = aAttributes->Enumerate(getter_AddRefs(propEnum));
     763               0 :     NS_ENSURE_SUCCESS(rv, nsnull);
     764                 : 
     765                 :     bool hasMore;
     766               0 :     while (NS_SUCCEEDED(propEnum->HasMoreElements(&hasMore)) && hasMore) {
     767               0 :         nsCOMPtr<nsISupports> sup;
     768               0 :         rv = propEnum->GetNext(getter_AddRefs(sup));
     769               0 :         NS_ENSURE_SUCCESS(rv, objAttributeSet);
     770                 : 
     771               0 :         nsCOMPtr<nsIPropertyElement> propElem(do_QueryInterface(sup));
     772               0 :         NS_ENSURE_TRUE(propElem, objAttributeSet);
     773                 : 
     774               0 :         nsCAutoString name;
     775               0 :         rv = propElem->GetKey(name);
     776               0 :         NS_ENSURE_SUCCESS(rv, objAttributeSet);
     777                 : 
     778               0 :         nsAutoString value;
     779               0 :         rv = propElem->GetValue(value);
     780               0 :         NS_ENSURE_SUCCESS(rv, objAttributeSet);
     781                 : 
     782               0 :         AtkAttribute *objAttr = (AtkAttribute *)g_malloc(sizeof(AtkAttribute));
     783               0 :         objAttr->name = g_strdup(name.get());
     784               0 :         objAttr->value = g_strdup(NS_ConvertUTF16toUTF8(value).get());
     785               0 :         objAttributeSet = g_slist_prepend(objAttributeSet, objAttr);
     786                 :     }
     787                 : 
     788                 :     //libspi will free it
     789               0 :     return objAttributeSet;
     790                 : }
     791                 : 
     792                 : AtkAttributeSet*
     793               0 : GetAttributeSet(nsAccessible* aAccessible)
     794                 : {
     795               0 :     nsCOMPtr<nsIPersistentProperties> attributes;
     796               0 :     aAccessible->GetAttributes(getter_AddRefs(attributes));
     797                 : 
     798               0 :     if (attributes) {
     799                 :         // Deal with attributes that we only need to expose in ATK
     800               0 :         if (aAccessible->State() & states::HASPOPUP) {
     801                 :           // There is no ATK state for haspopup, must use object attribute to expose the same info
     802               0 :           nsAutoString oldValueUnused;
     803               0 :           attributes->SetStringProperty(NS_LITERAL_CSTRING("haspopup"), NS_LITERAL_STRING("true"),
     804               0 :                                         oldValueUnused);
     805                 :         }
     806                 : 
     807               0 :         return ConvertToAtkAttributeSet(attributes);
     808                 :     }
     809                 : 
     810               0 :     return nsnull;
     811                 : }
     812                 : 
     813                 : AtkAttributeSet *
     814               0 : getAttributesCB(AtkObject *aAtkObj)
     815                 : {
     816               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     817                 : 
     818               0 :     return accWrap ? GetAttributeSet(accWrap) : nsnull;
     819                 : }
     820                 : 
     821                 : AtkObject *
     822               0 : getParentCB(AtkObject *aAtkObj)
     823                 : {
     824               0 :   if (!aAtkObj->accessible_parent) {
     825               0 :     nsAccessibleWrap* accWrap = GetAccessibleWrap(aAtkObj);
     826               0 :     if (!accWrap)
     827               0 :       return nsnull;
     828                 : 
     829               0 :     nsAccessible* accParent = accWrap->Parent();
     830               0 :     if (!accParent)
     831               0 :       return nsnull;
     832                 : 
     833               0 :     AtkObject* parent = nsAccessibleWrap::GetAtkObject(accParent);
     834               0 :     if (parent)
     835               0 :       atk_object_set_parent(aAtkObj, parent);
     836                 :   }
     837               0 :   return aAtkObj->accessible_parent;
     838                 : }
     839                 : 
     840                 : gint
     841               0 : getChildCountCB(AtkObject *aAtkObj)
     842                 : {
     843               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     844               0 :     if (!accWrap || nsAccUtils::MustPrune(accWrap)) {
     845               0 :         return 0;
     846                 :     }
     847                 : 
     848               0 :     return accWrap->GetEmbeddedChildCount();
     849                 : }
     850                 : 
     851                 : AtkObject *
     852               0 : refChildCB(AtkObject *aAtkObj, gint aChildIndex)
     853                 : {
     854                 :     // aChildIndex should not be less than zero
     855               0 :     if (aChildIndex < 0) {
     856               0 :       return nsnull;
     857                 :     }
     858                 : 
     859               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     860               0 :     if (!accWrap || nsAccUtils::MustPrune(accWrap)) {
     861               0 :         return nsnull;
     862                 :     }
     863                 : 
     864               0 :     nsAccessible* accChild = accWrap->GetEmbeddedChildAt(aChildIndex);
     865               0 :     if (!accChild)
     866               0 :         return nsnull;
     867                 : 
     868               0 :     AtkObject* childAtkObj = nsAccessibleWrap::GetAtkObject(accChild);
     869                 : 
     870               0 :     NS_ASSERTION(childAtkObj, "Fail to get AtkObj");
     871               0 :     if (!childAtkObj)
     872               0 :         return nsnull;
     873               0 :     g_object_ref(childAtkObj);
     874                 : 
     875               0 :   if (aAtkObj != childAtkObj->accessible_parent)
     876               0 :     atk_object_set_parent(childAtkObj, aAtkObj);
     877                 : 
     878               0 :   return childAtkObj;
     879                 : }
     880                 : 
     881                 : gint
     882               0 : getIndexInParentCB(AtkObject *aAtkObj)
     883                 : {
     884                 :     // We don't use nsIAccessible::GetIndexInParent() because
     885                 :     // for ATK we don't want to include text leaf nodes as children
     886               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     887               0 :     if (!accWrap) {
     888               0 :         return -1;
     889                 :     }
     890                 : 
     891               0 :     nsAccessible* parent = accWrap->Parent();
     892               0 :     if (!parent)
     893               0 :         return -1; // No parent
     894                 : 
     895               0 :     return parent->GetIndexOfEmbeddedChild(accWrap);
     896                 : }
     897                 : 
     898                 : static void
     899               0 : TranslateStates(PRUint64 aState, AtkStateSet* aStateSet)
     900                 : {
     901                 : 
     902                 :   // Convert every state to an entry in AtkStateMap
     903               0 :   PRUint32 stateIndex = 0;
     904               0 :   PRUint64 bitMask = 1;
     905               0 :   while (gAtkStateMap[stateIndex].stateMapEntryType != kNoSuchState) {
     906               0 :     if (gAtkStateMap[stateIndex].atkState) { // There's potentially an ATK state for this
     907               0 :       bool isStateOn = (aState & bitMask) != 0;
     908               0 :       if (gAtkStateMap[stateIndex].stateMapEntryType == kMapOpposite) {
     909               0 :         isStateOn = !isStateOn;
     910                 :       }
     911               0 :       if (isStateOn) {
     912               0 :         atk_state_set_add_state(aStateSet, gAtkStateMap[stateIndex].atkState);
     913                 :       }
     914                 :     }
     915               0 :     bitMask <<= 1;
     916               0 :     ++ stateIndex;
     917                 :   }
     918               0 : }
     919                 : 
     920                 : AtkStateSet *
     921               0 : refStateSetCB(AtkObject *aAtkObj)
     922                 : {
     923               0 :     AtkStateSet *state_set = nsnull;
     924               0 :     state_set = ATK_OBJECT_CLASS(parent_class)->ref_state_set(aAtkObj);
     925                 : 
     926               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     927               0 :     if (!accWrap) {
     928               0 :         TranslateStates(states::DEFUNCT, state_set);
     929               0 :         return state_set;
     930                 :     }
     931                 : 
     932                 :     // Map states
     933               0 :     TranslateStates(accWrap->State(), state_set);
     934                 : 
     935               0 :     return state_set;
     936                 : }
     937                 : 
     938                 : AtkRelationSet *
     939               0 : refRelationSetCB(AtkObject *aAtkObj)
     940                 : {
     941                 :   AtkRelationSet* relation_set =
     942               0 :     ATK_OBJECT_CLASS(parent_class)->ref_relation_set(aAtkObj);
     943                 : 
     944               0 :   nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
     945               0 :   if (!accWrap)
     946               0 :     return relation_set;
     947                 : 
     948                 :   PRUint32 relationTypes[] = {
     949                 :     nsIAccessibleRelation::RELATION_LABELLED_BY,
     950                 :     nsIAccessibleRelation::RELATION_LABEL_FOR,
     951                 :     nsIAccessibleRelation::RELATION_NODE_CHILD_OF,
     952                 :     nsIAccessibleRelation::RELATION_CONTROLLED_BY,
     953                 :     nsIAccessibleRelation::RELATION_CONTROLLER_FOR,
     954                 :     nsIAccessibleRelation::RELATION_EMBEDS,
     955                 :     nsIAccessibleRelation::RELATION_FLOWS_TO,
     956                 :     nsIAccessibleRelation::RELATION_FLOWS_FROM,
     957                 :     nsIAccessibleRelation::RELATION_DESCRIBED_BY,
     958                 :     nsIAccessibleRelation::RELATION_DESCRIPTION_FOR,
     959               0 :   };
     960                 : 
     961               0 :   for (PRUint32 i = 0; i < ArrayLength(relationTypes); i++) {
     962               0 :     AtkRelationType atkType = static_cast<AtkRelationType>(relationTypes[i]);
     963                 :     AtkRelation* atkRelation =
     964               0 :       atk_relation_set_get_relation_by_type(relation_set, atkType);
     965               0 :     if (atkRelation)
     966               0 :       atk_relation_set_remove(relation_set, atkRelation);
     967                 : 
     968               0 :     Relation rel(accWrap->RelationByType(relationTypes[i]));
     969               0 :     nsTArray<AtkObject*> targets;
     970               0 :     nsAccessible* tempAcc = nsnull;
     971               0 :     while ((tempAcc = rel.Next()))
     972               0 :       targets.AppendElement(nsAccessibleWrap::GetAtkObject(tempAcc));
     973                 : 
     974               0 :     if (targets.Length()) {
     975               0 :       atkRelation = atk_relation_new(targets.Elements(), targets.Length(), atkType);
     976               0 :       atk_relation_set_add(relation_set, atkRelation);
     977               0 :       g_object_unref(atkRelation);
     978                 :     }
     979                 :   }
     980                 : 
     981               0 :   return relation_set;
     982                 : }
     983                 : 
     984                 : // Check if aAtkObj is a valid MaiAtkObject, and return the nsAccessibleWrap
     985                 : // for it.
     986               0 : nsAccessibleWrap *GetAccessibleWrap(AtkObject *aAtkObj)
     987                 : {
     988               0 :     NS_ENSURE_TRUE(IS_MAI_OBJECT(aAtkObj), nsnull);
     989               0 :     nsAccessibleWrap *tmpAccWrap = MAI_ATK_OBJECT(aAtkObj)->accWrap;
     990                 : 
     991                 :     // Check if AccessibleWrap was deconstructed
     992               0 :     if (tmpAccWrap == nsnull) {
     993               0 :         return nsnull;
     994                 :     }
     995                 : 
     996               0 :     NS_ENSURE_TRUE(tmpAccWrap->GetAtkObject() == aAtkObj, nsnull);
     997                 : 
     998                 :     nsApplicationAccessible *applicationAcc =
     999               0 :         nsAccessNode::GetApplicationAccessible();
    1000                 :     nsAccessibleWrap* tmpAppAccWrap =
    1001               0 :         static_cast<nsAccessibleWrap*>(applicationAcc);
    1002                 : 
    1003               0 :     if (tmpAppAccWrap != tmpAccWrap && !tmpAccWrap->IsValidObject())
    1004               0 :         return nsnull;
    1005                 : 
    1006               0 :     return tmpAccWrap;
    1007                 : }
    1008                 : 
    1009                 : nsresult
    1010               0 : nsAccessibleWrap::HandleAccEvent(AccEvent* aEvent)
    1011                 : {
    1012               0 :     nsresult rv = nsAccessible::HandleAccEvent(aEvent);
    1013               0 :     NS_ENSURE_SUCCESS(rv, rv);
    1014                 : 
    1015               0 :     return FirePlatformEvent(aEvent);
    1016                 : }
    1017                 : 
    1018                 : nsresult
    1019               0 : nsAccessibleWrap::FirePlatformEvent(AccEvent* aEvent)
    1020                 : {
    1021               0 :     nsAccessible *accessible = aEvent->GetAccessible();
    1022               0 :     NS_ENSURE_TRUE(accessible, NS_ERROR_FAILURE);
    1023                 : 
    1024               0 :     PRUint32 type = aEvent->GetEventType();
    1025                 : 
    1026               0 :     AtkObject *atkObj = nsAccessibleWrap::GetAtkObject(accessible);
    1027                 : 
    1028                 :     // We don't create ATK objects for nsIAccessible plain text leaves,
    1029                 :     // just return NS_OK in such case
    1030               0 :     if (!atkObj) {
    1031               0 :         NS_ASSERTION(type == nsIAccessibleEvent::EVENT_SHOW ||
    1032                 :                      type == nsIAccessibleEvent::EVENT_HIDE,
    1033                 :                      "Event other than SHOW and HIDE fired for plain text leaves");
    1034               0 :         return NS_OK;
    1035                 :     }
    1036                 : 
    1037               0 :     nsAccessibleWrap *accWrap = GetAccessibleWrap(atkObj);
    1038               0 :     if (!accWrap) {
    1039               0 :         return NS_OK; // Node is shut down
    1040                 :     }
    1041                 : 
    1042               0 :     switch (type) {
    1043                 :     case nsIAccessibleEvent::EVENT_STATE_CHANGE:
    1044               0 :         return FireAtkStateChangeEvent(aEvent, atkObj);
    1045                 : 
    1046                 :     case nsIAccessibleEvent::EVENT_TEXT_REMOVED:
    1047                 :     case nsIAccessibleEvent::EVENT_TEXT_INSERTED:
    1048               0 :         return FireAtkTextChangedEvent(aEvent, atkObj);
    1049                 : 
    1050                 :     case nsIAccessibleEvent::EVENT_FOCUS:
    1051                 :       {
    1052               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_FOCUS\n"));
    1053               0 :         nsRootAccessible* rootAccWrap = accWrap->RootAccessible();
    1054               0 :         if (rootAccWrap && rootAccWrap->mActivated) {
    1055               0 :             atk_focus_tracker_notify(atkObj);
    1056                 :             // Fire state change event for focus
    1057                 :             nsRefPtr<AccEvent> stateChangeEvent =
    1058               0 :               new AccStateChangeEvent(accessible, states::FOCUSED, true);
    1059               0 :             return FireAtkStateChangeEvent(stateChangeEvent, atkObj);
    1060                 :         }
    1061               0 :       } break;
    1062                 : 
    1063                 :     case nsIAccessibleEvent::EVENT_NAME_CHANGE:
    1064                 :       {
    1065               0 :         nsString newName;
    1066               0 :         accessible->GetName(newName);
    1067               0 :         NS_ConvertUTF16toUTF8 utf8Name(newName);
    1068               0 :         if (!atkObj->name || !utf8Name.Equals(atkObj->name))
    1069               0 :           atk_object_set_name(atkObj, utf8Name.get());
    1070                 : 
    1071                 :         break;
    1072                 :       }
    1073                 :     case nsIAccessibleEvent::EVENT_VALUE_CHANGE:
    1074                 :       {
    1075               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_VALUE_CHANGE\n"));
    1076               0 :         nsCOMPtr<nsIAccessibleValue> value(do_QueryObject(accessible));
    1077               0 :         if (value) {    // Make sure this is a numeric value
    1078                 :             // Don't fire for MSAA string value changes (e.g. text editing)
    1079                 :             // ATK values are always numeric
    1080               0 :             g_object_notify( (GObject*)atkObj, "accessible-value" );
    1081                 :         }
    1082               0 :       } break;
    1083                 : 
    1084                 :     case nsIAccessibleEvent::EVENT_SELECTION:
    1085                 :     case nsIAccessibleEvent::EVENT_SELECTION_ADD:
    1086                 :     case nsIAccessibleEvent::EVENT_SELECTION_REMOVE:
    1087                 :     {
    1088                 :       // XXX: dupe events may be fired
    1089               0 :       MAI_LOG_DEBUG(("\n\nReceived: EVENT_SELECTION_CHANGED\n"));
    1090               0 :       AccSelChangeEvent* selChangeEvent = downcast_accEvent(aEvent);
    1091               0 :       g_signal_emit_by_name(nsAccessibleWrap::GetAtkObject(selChangeEvent->Widget()),
    1092               0 :                             "selection_changed");
    1093               0 :       break;
    1094                 :     }
    1095                 : 
    1096                 :     case nsIAccessibleEvent::EVENT_SELECTION_WITHIN:
    1097                 :     {
    1098               0 :       MAI_LOG_DEBUG(("\n\nReceived: EVENT_SELECTION_CHANGED\n"));
    1099               0 :       g_signal_emit_by_name(atkObj, "selection_changed");
    1100               0 :       break;
    1101                 :     }
    1102                 : 
    1103                 :     case nsIAccessibleEvent::EVENT_TEXT_SELECTION_CHANGED:
    1104               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_SELECTION_CHANGED\n"));
    1105               0 :         g_signal_emit_by_name(atkObj, "text_selection_changed");
    1106               0 :         break;
    1107                 : 
    1108                 :     case nsIAccessibleEvent::EVENT_TEXT_CARET_MOVED:
    1109                 :       {
    1110               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_CARET_MOVED\n"));
    1111                 : 
    1112               0 :         AccCaretMoveEvent* caretMoveEvent = downcast_accEvent(aEvent);
    1113               0 :         NS_ASSERTION(caretMoveEvent, "Event needs event data");
    1114               0 :         if (!caretMoveEvent)
    1115               0 :             break;
    1116                 : 
    1117               0 :         PRInt32 caretOffset = caretMoveEvent->GetCaretOffset();
    1118                 : 
    1119               0 :         MAI_LOG_DEBUG(("\n\nCaret postion: %d", caretOffset));
    1120                 :         g_signal_emit_by_name(atkObj,
    1121                 :                               "text_caret_moved",
    1122                 :                               // Curent caret position
    1123               0 :                               caretOffset);
    1124               0 :       } break;
    1125                 : 
    1126                 :     case nsIAccessibleEvent::EVENT_TEXT_ATTRIBUTE_CHANGED:
    1127               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_ATTRIBUTE_CHANGED\n"));
    1128                 : 
    1129                 :         g_signal_emit_by_name(atkObj,
    1130               0 :                               "text-attributes-changed");
    1131               0 :         break;
    1132                 : 
    1133                 :     case nsIAccessibleEvent::EVENT_TABLE_MODEL_CHANGED:
    1134               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TABLE_MODEL_CHANGED\n"));
    1135               0 :         g_signal_emit_by_name(atkObj, "model_changed");
    1136               0 :         break;
    1137                 : 
    1138                 :     case nsIAccessibleEvent::EVENT_TABLE_ROW_INSERT:
    1139                 :       {
    1140               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TABLE_ROW_INSERT\n"));
    1141               0 :         AccTableChangeEvent* tableEvent = downcast_accEvent(aEvent);
    1142               0 :         NS_ENSURE_TRUE(tableEvent, NS_ERROR_FAILURE);
    1143                 : 
    1144               0 :         PRInt32 rowIndex = tableEvent->GetIndex();
    1145               0 :         PRInt32 numRows = tableEvent->GetCount();
    1146                 : 
    1147                 :         g_signal_emit_by_name(atkObj,
    1148                 :                               "row_inserted",
    1149                 :                               // After which the rows are inserted
    1150                 :                               rowIndex,
    1151                 :                               // The number of the inserted
    1152               0 :                               numRows);
    1153               0 :      } break;
    1154                 : 
    1155                 :    case nsIAccessibleEvent::EVENT_TABLE_ROW_DELETE:
    1156                 :      {
    1157               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TABLE_ROW_DELETE\n"));
    1158               0 :         AccTableChangeEvent* tableEvent = downcast_accEvent(aEvent);
    1159               0 :         NS_ENSURE_TRUE(tableEvent, NS_ERROR_FAILURE);
    1160                 : 
    1161               0 :         PRInt32 rowIndex = tableEvent->GetIndex();
    1162               0 :         PRInt32 numRows = tableEvent->GetCount();
    1163                 : 
    1164                 :         g_signal_emit_by_name(atkObj,
    1165                 :                               "row_deleted",
    1166                 :                               // After which the rows are deleted
    1167                 :                               rowIndex,
    1168                 :                               // The number of the deleted
    1169               0 :                               numRows);
    1170               0 :       } break;
    1171                 : 
    1172                 :     case nsIAccessibleEvent::EVENT_TABLE_ROW_REORDER:
    1173                 :       {
    1174               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TABLE_ROW_REORDER\n"));
    1175               0 :         g_signal_emit_by_name(atkObj, "row_reordered");
    1176               0 :         break;
    1177                 :       }
    1178                 : 
    1179                 :     case nsIAccessibleEvent::EVENT_TABLE_COLUMN_INSERT:
    1180                 :       {
    1181               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TABLE_COLUMN_INSERT\n"));
    1182               0 :         AccTableChangeEvent* tableEvent = downcast_accEvent(aEvent);
    1183               0 :         NS_ENSURE_TRUE(tableEvent, NS_ERROR_FAILURE);
    1184                 : 
    1185               0 :         PRInt32 colIndex = tableEvent->GetIndex();
    1186               0 :         PRInt32 numCols = tableEvent->GetCount();
    1187                 : 
    1188                 :         g_signal_emit_by_name(atkObj,
    1189                 :                               "column_inserted",
    1190                 :                               // After which the columns are inserted
    1191                 :                               colIndex,
    1192                 :                               // The number of the inserted
    1193               0 :                               numCols);
    1194               0 :       } break;
    1195                 : 
    1196                 :     case nsIAccessibleEvent::EVENT_TABLE_COLUMN_DELETE:
    1197                 :       {
    1198               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TABLE_COLUMN_DELETE\n"));
    1199               0 :         AccTableChangeEvent* tableEvent = downcast_accEvent(aEvent);
    1200               0 :         NS_ENSURE_TRUE(tableEvent, NS_ERROR_FAILURE);
    1201                 : 
    1202               0 :         PRInt32 colIndex = tableEvent->GetIndex();
    1203               0 :         PRInt32 numCols = tableEvent->GetCount();
    1204                 : 
    1205                 :         g_signal_emit_by_name(atkObj,
    1206                 :                               "column_deleted",
    1207                 :                               // After which the columns are deleted
    1208                 :                               colIndex,
    1209                 :                               // The number of the deleted
    1210               0 :                               numCols);
    1211               0 :       } break;
    1212                 : 
    1213                 :     case nsIAccessibleEvent::EVENT_TABLE_COLUMN_REORDER:
    1214               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_TABLE_COLUMN_REORDER\n"));
    1215               0 :         g_signal_emit_by_name(atkObj, "column_reordered");
    1216               0 :         break;
    1217                 : 
    1218                 :     case nsIAccessibleEvent::EVENT_SECTION_CHANGED:
    1219               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_SECTION_CHANGED\n"));
    1220               0 :         g_signal_emit_by_name(atkObj, "visible_data_changed");
    1221               0 :         break;
    1222                 : 
    1223                 :     case nsIAccessibleEvent::EVENT_SHOW:
    1224               0 :         return FireAtkShowHideEvent(aEvent, atkObj, true);
    1225                 : 
    1226                 :     case nsIAccessibleEvent::EVENT_HIDE:
    1227               0 :         return FireAtkShowHideEvent(aEvent, atkObj, false);
    1228                 : 
    1229                 :         /*
    1230                 :          * Because dealing with menu is very different between nsIAccessible
    1231                 :          * and ATK, and the menu activity is important, specially transfer the
    1232                 :          * following two event.
    1233                 :          * Need more verification by AT test.
    1234                 :          */
    1235                 :     case nsIAccessibleEvent::EVENT_MENU_START:
    1236               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_MENU_START\n"));
    1237               0 :         break;
    1238                 : 
    1239                 :     case nsIAccessibleEvent::EVENT_MENU_END:
    1240               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_MENU_END\n"));
    1241               0 :         break;
    1242                 : 
    1243                 :     case nsIAccessibleEvent::EVENT_WINDOW_ACTIVATE:
    1244                 :       {
    1245               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_WINDOW_ACTIVATED\n"));
    1246                 :         nsRootAccessible *rootAcc =
    1247               0 :           static_cast<nsRootAccessible *>(accessible);
    1248               0 :         rootAcc->mActivated = true;
    1249               0 :         guint id = g_signal_lookup ("activate", MAI_TYPE_ATK_OBJECT);
    1250               0 :         g_signal_emit(atkObj, id, 0);
    1251                 : 
    1252                 :         // Always fire a current focus event after activation.
    1253               0 :         FocusMgr()->ForceFocusEvent();
    1254               0 :       } break;
    1255                 : 
    1256                 :     case nsIAccessibleEvent::EVENT_WINDOW_DEACTIVATE:
    1257                 :       {
    1258               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_WINDOW_DEACTIVATED\n"));
    1259                 :         nsRootAccessible *rootAcc =
    1260               0 :           static_cast<nsRootAccessible *>(accessible);
    1261               0 :         rootAcc->mActivated = false;
    1262               0 :         guint id = g_signal_lookup ("deactivate", MAI_TYPE_ATK_OBJECT);
    1263               0 :         g_signal_emit(atkObj, id, 0);
    1264               0 :       } break;
    1265                 : 
    1266                 :     case nsIAccessibleEvent::EVENT_WINDOW_MAXIMIZE:
    1267                 :       {
    1268               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_WINDOW_MAXIMIZE\n"));
    1269               0 :         guint id = g_signal_lookup ("maximize", MAI_TYPE_ATK_OBJECT);
    1270               0 :         g_signal_emit(atkObj, id, 0);
    1271               0 :       } break;
    1272                 : 
    1273                 :     case nsIAccessibleEvent::EVENT_WINDOW_MINIMIZE:
    1274                 :       {
    1275               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_WINDOW_MINIMIZE\n"));
    1276               0 :         guint id = g_signal_lookup ("minimize", MAI_TYPE_ATK_OBJECT);
    1277               0 :         g_signal_emit(atkObj, id, 0);
    1278               0 :       } break;
    1279                 : 
    1280                 :     case nsIAccessibleEvent::EVENT_WINDOW_RESTORE:
    1281                 :       {
    1282               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_WINDOW_RESTORE\n"));
    1283               0 :         guint id = g_signal_lookup ("restore", MAI_TYPE_ATK_OBJECT);
    1284               0 :         g_signal_emit(atkObj, id, 0);
    1285               0 :       } break;
    1286                 : 
    1287                 :     case nsIAccessibleEvent::EVENT_DOCUMENT_LOAD_COMPLETE:
    1288                 :       {
    1289               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_DOCUMENT_LOAD_COMPLETE\n"));
    1290               0 :         g_signal_emit_by_name (atkObj, "load_complete");
    1291               0 :       } break;
    1292                 : 
    1293                 :     case nsIAccessibleEvent::EVENT_DOCUMENT_RELOAD:
    1294                 :       {
    1295               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_DOCUMENT_RELOAD\n"));
    1296               0 :         g_signal_emit_by_name (atkObj, "reload");
    1297               0 :       } break;
    1298                 : 
    1299                 :     case nsIAccessibleEvent::EVENT_DOCUMENT_LOAD_STOPPED:
    1300                 :       {
    1301               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_DOCUMENT_LOAD_STOPPED\n"));
    1302               0 :         g_signal_emit_by_name (atkObj, "load_stopped");
    1303               0 :       } break;
    1304                 : 
    1305                 :     case nsIAccessibleEvent::EVENT_MENUPOPUP_START:
    1306               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_MENUPOPUP_START\n"));
    1307               0 :         atk_focus_tracker_notify(atkObj); // fire extra focus event
    1308               0 :         atk_object_notify_state_change(atkObj, ATK_STATE_VISIBLE, true);
    1309               0 :         atk_object_notify_state_change(atkObj, ATK_STATE_SHOWING, true);
    1310               0 :         break;
    1311                 : 
    1312                 :     case nsIAccessibleEvent::EVENT_MENUPOPUP_END:
    1313               0 :         MAI_LOG_DEBUG(("\n\nReceived: EVENT_MENUPOPUP_END\n"));
    1314               0 :         atk_object_notify_state_change(atkObj, ATK_STATE_VISIBLE, false);
    1315               0 :         atk_object_notify_state_change(atkObj, ATK_STATE_SHOWING, false);
    1316               0 :         break;
    1317                 :     }
    1318                 : 
    1319               0 :     return NS_OK;
    1320                 : }
    1321                 : 
    1322                 : nsresult
    1323               0 : nsAccessibleWrap::FireAtkStateChangeEvent(AccEvent* aEvent,
    1324                 :                                           AtkObject *aObject)
    1325                 : {
    1326               0 :     MAI_LOG_DEBUG(("\n\nReceived: EVENT_STATE_CHANGE\n"));
    1327                 : 
    1328               0 :     AccStateChangeEvent* event = downcast_accEvent(aEvent);
    1329               0 :     NS_ENSURE_TRUE(event, NS_ERROR_FAILURE);
    1330                 : 
    1331               0 :     bool isEnabled = event->IsStateEnabled();
    1332               0 :     PRInt32 stateIndex = AtkStateMap::GetStateIndexFor(event->GetState());
    1333               0 :     if (stateIndex >= 0) {
    1334               0 :         NS_ASSERTION(gAtkStateMap[stateIndex].stateMapEntryType != kNoSuchState,
    1335                 :                      "No such state");
    1336                 : 
    1337               0 :         if (gAtkStateMap[stateIndex].atkState != kNone) {
    1338               0 :             NS_ASSERTION(gAtkStateMap[stateIndex].stateMapEntryType != kNoStateChange,
    1339                 :                          "State changes should not fired for this state");
    1340                 : 
    1341               0 :             if (gAtkStateMap[stateIndex].stateMapEntryType == kMapOpposite)
    1342               0 :                 isEnabled = !isEnabled;
    1343                 : 
    1344                 :             // Fire state change for first state if there is one to map
    1345                 :             atk_object_notify_state_change(aObject,
    1346                 :                                            gAtkStateMap[stateIndex].atkState,
    1347               0 :                                            isEnabled);
    1348                 :         }
    1349                 :     }
    1350                 : 
    1351               0 :     return NS_OK;
    1352                 : }
    1353                 : 
    1354                 : nsresult
    1355               0 : nsAccessibleWrap::FireAtkTextChangedEvent(AccEvent* aEvent,
    1356                 :                                           AtkObject *aObject)
    1357                 : {
    1358               0 :     MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_REMOVED/INSERTED\n"));
    1359                 : 
    1360               0 :     AccTextChangeEvent* event = downcast_accEvent(aEvent);
    1361               0 :     NS_ENSURE_TRUE(event, NS_ERROR_FAILURE);
    1362                 : 
    1363               0 :     PRInt32 start = event->GetStartOffset();
    1364               0 :     PRUint32 length = event->GetLength();
    1365               0 :     bool isInserted = event->IsTextInserted();
    1366               0 :     bool isFromUserInput = aEvent->IsFromUserInput();
    1367               0 :     char* signal_name = nsnull;
    1368                 : 
    1369               0 :   if (gAvailableAtkSignals == eUnknown)
    1370                 :     gAvailableAtkSignals =
    1371               0 :       g_signal_lookup("text-insert", G_OBJECT_TYPE(aObject)) ?
    1372               0 :         eHaveNewAtkTextSignals : eNoNewAtkSignals;
    1373                 : 
    1374               0 :   if (gAvailableAtkSignals == eNoNewAtkSignals) {
    1375                 :     // XXX remove this code and the gHaveNewTextSignals check when we can
    1376                 :     // stop supporting old atk since it doesn't really work anyway
    1377                 :     // see bug 619002
    1378                 :     signal_name = g_strconcat(isInserted ? "text_changed::insert" :
    1379                 :                               "text_changed::delete",
    1380               0 :                               isFromUserInput ? "" : kNonUserInputEvent, NULL);
    1381               0 :     g_signal_emit_by_name(aObject, signal_name, start, length);
    1382                 :   } else {
    1383               0 :     nsAutoString text;
    1384               0 :     event->GetModifiedText(text);
    1385                 :     signal_name = g_strconcat(isInserted ? "text-insert" : "text-remove",
    1386               0 :                               isFromUserInput ? "" : "::system", NULL);
    1387                 :     g_signal_emit_by_name(aObject, signal_name, start, length,
    1388               0 :                           NS_ConvertUTF16toUTF8(text).get());
    1389                 :   }
    1390                 : 
    1391               0 :   g_free(signal_name);
    1392               0 :   return NS_OK;
    1393                 : }
    1394                 : 
    1395                 : nsresult
    1396               0 : nsAccessibleWrap::FireAtkShowHideEvent(AccEvent* aEvent,
    1397                 :                                        AtkObject *aObject, bool aIsAdded)
    1398                 : {
    1399               0 :     if (aIsAdded)
    1400               0 :         MAI_LOG_DEBUG(("\n\nReceived: Show event\n"));
    1401                 :     else
    1402               0 :         MAI_LOG_DEBUG(("\n\nReceived: Hide event\n"));
    1403                 : 
    1404               0 :     PRInt32 indexInParent = getIndexInParentCB(aObject);
    1405               0 :     AtkObject *parentObject = getParentCB(aObject);
    1406               0 :     NS_ENSURE_STATE(parentObject);
    1407                 : 
    1408               0 :     bool isFromUserInput = aEvent->IsFromUserInput();
    1409                 :     char *signal_name = g_strconcat(aIsAdded ? "children_changed::add" :  "children_changed::remove",
    1410               0 :                                     isFromUserInput ? "" : kNonUserInputEvent, NULL);
    1411               0 :     g_signal_emit_by_name(parentObject, signal_name, indexInParent, aObject, NULL);
    1412               0 :     g_free(signal_name);
    1413                 : 
    1414               0 :     return NS_OK;
    1415                 : }
    1416                 : 

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