C++ (Cpp) GetAccessibleWrap Examples

Example #1

File: nsAccessibleWrap.cpp Project: jiaofeng/Icefox

AtkObject *
refChildCB(AtkObject *aAtkObj, gint aChildIndex)
{
    // aChildIndex should not be less than zero
    if (aChildIndex < 0) {
      return nsnull;
    }

    nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
    if (!accWrap || nsAccUtils::MustPrune(accWrap)) {
        return nsnull;
    }

    nsAccessible* accChild = accWrap->GetEmbeddedChildAt(aChildIndex);
    if (!accChild)
        return nsnull;

    AtkObject* childAtkObj = nsAccessibleWrap::GetAtkObject(accChild);

    NS_ASSERTION(childAtkObj, "Fail to get AtkObj");
    if (!childAtkObj)
        return nsnull;
    g_object_ref(childAtkObj);
    
    //this will addref parent
    atk_object_set_parent(childAtkObj, aAtkObj);
    return childAtkObj;
}

Example #2

File: nsMaiInterfaceDocument.cpp Project: jbalogh/mozilla-central

AtkAttributeSet *
getDocumentAttributesCB(AtkDocument *aDocument)
{
  nsAccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
  if (!accWrap || !accWrap->IsDoc())
    return nsnull;

  // according to atkobject.h, AtkAttributeSet is a GSList
  GSList* attributes = nsnull;
  nsDocAccessible* document = accWrap->AsDoc();
  nsAutoString aURL;
  nsresult rv = document->GetURL(aURL);
  if (NS_SUCCEEDED(rv))
    attributes = prependToList(attributes, kDocUrlName, aURL);

  nsAutoString aW3CDocType;
  rv = document->GetDocType(aW3CDocType);
  if (NS_SUCCEEDED(rv))
    attributes = prependToList(attributes, kDocTypeName, aW3CDocType);

  nsAutoString aMimeType;
  rv = document->GetMimeType(aMimeType);
  if (NS_SUCCEEDED(rv))
    attributes = prependToList(attributes, kMimeTypeName, aMimeType);

  return attributes;
}

Example #3

File: nsAccessibleWrap.cpp Project: amyvmiwei/firefox

AtkRole
getRoleCB(AtkObject *aAtkObj)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
    if (!accWrap) {
        return ATK_ROLE_INVALID;
    }

#ifdef DEBUG_A11Y
    NS_ASSERTION(nsAccUtils::IsTextInterfaceSupportCorrect(accWrap),
                 "Does not support nsIAccessibleText when it should");
#endif

    if (aAtkObj->role == ATK_ROLE_INVALID) {
        PRUint32 accRole, atkRole;
        nsresult rv = accWrap->GetRole(&accRole);
        NS_ENSURE_SUCCESS(rv, ATK_ROLE_INVALID);

        atkRole = atkRoleMap[accRole]; // map to the actual value
        NS_ASSERTION(atkRoleMap[nsIAccessibleRole::ROLE_LAST_ENTRY] ==
                     kROLE_ATK_LAST_ENTRY, "ATK role map skewed");
        aAtkObj->role = static_cast<AtkRole>(atkRole);
    }
    return aAtkObj->role;
}

Example #4

File: nsMaiInterfaceText.cpp Project: AntonSilviu/v8monkey

gunichar
getCharacterAtOffsetCB(AtkText *aText, gint aOffset)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
    if (!accWrap)
        return 0;

    nsCOMPtr<nsIAccessibleText> accText;
    accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
                            getter_AddRefs(accText));
    NS_ENSURE_TRUE(accText, 0);

    /* PRUnichar is unsigned short in Mozilla */
    /* gnuichar is guint32 in glib */
    PRUnichar uniChar;
    nsresult rv =
        accText->GetCharacterAtOffset(aOffset, &uniChar);

    // convert char to "*" when it's "password text" 
    PRUint32 atkRole = atkRoleMap[accWrap->NativeRole()];
    if (atkRole == ATK_ROLE_PASSWORD_TEXT)
        uniChar = '*';

    return (NS_FAILED(rv)) ? 0 : static_cast<gunichar>(uniChar);
}

Example #5

File: nsMaiInterfaceTable.cpp Project: pupadam/mozilla-central

static gint
getSelectedRowsCB(AtkTable *aTable, gint **aSelected)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aTable));
    if (!accWrap)
        return 0;

    nsCOMPtr<nsIAccessibleTable> accTable;
    accWrap->QueryInterface(NS_GET_IID(nsIAccessibleTable),
                            getter_AddRefs(accTable));
    NS_ENSURE_TRUE(accTable, 0);

    PRUint32 size = 0;
    PRInt32 *rows = NULL;
    nsresult rv = accTable->GetSelectedRowIndices(&size, &rows);
    if (NS_FAILED(rv) || (size == 0) || !rows) {
        *aSelected = nsnull;
        return 0;
    }

    gint *atkRows = g_new(gint, size);
    if (!atkRows) {
        NS_WARNING("OUT OF MEMORY");
        return nsnull;
    }

    //copy
    for (PRUint32 index = 0; index < size; ++index)
        atkRows[index] = static_cast<gint>(rows[index]);
    nsMemory::Free(rows);

    *aSelected = atkRows;
    return size;
}

Example #6

File: nsAccessibleWrap.cpp Project: amyvmiwei/firefox

AtkAttributeSet *
getAttributesCB(AtkObject *aAtkObj)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);

    return accWrap ? GetAttributeSet(accWrap) : nsnull;
}

Example #7

File: nsMaiInterfaceComponent.cpp Project: PinZhang/mozilla-central

static AtkObject*
refAccessibleAtPointCB(AtkComponent* aComponent, gint aAccX, gint aAccY,
                       AtkCoordType aCoordType)
{
  return refAccessibleAtPointHelper(GetAccessibleWrap(ATK_OBJECT(aComponent)),
                                    aAccX, aAccY, aCoordType);
}

Example #8

File: nsMaiInterfaceEditableText.cpp Project: Akin-Net/mozilla-central

void
insertTextCB(AtkEditableText *aText,
             const gchar *aString, gint aLength, gint *aPosition)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
    if (!accWrap)
        return;

    nsCOMPtr<nsIAccessibleEditableText> accText;
    accWrap->QueryInterface(NS_GET_IID(nsIAccessibleEditableText),
                            getter_AddRefs(accText));
    if (!accText)
        return;

    NS_ConvertUTF8toUTF16 strContent(aString);

    // interface changed in nsIAccessibleEditableText.idl ???
    //
    // PRInt32 pos = *aPosition;
    // nsresult rv = accText->InsertText(strContent, aLength, &pos);
    // *aPosition = pos;

    accText->InsertText(strContent, *aPosition);

    MAI_LOG_DEBUG(("EditableText: insert aString=%s, aLength=%d, aPosition=%d",
                   aString, aLength, *aPosition));
}

Example #9

File: nsMaiInterfaceComponent.cpp Project: PinZhang/mozilla-central

static void
getExtentsCB(AtkComponent* aComponent, gint* aX, gint* aY,
             gint* aWidth, gint* aHeight, AtkCoordType aCoordType)
{
  getExtentsHelper(GetAccessibleWrap(ATK_OBJECT(aComponent)),
                   aX, aY, aWidth, aHeight, aCoordType);
}

Example #10

File: nsMaiInterfaceDocument.cpp Project: Akin-Net/mozilla-central

const gchar *
getDocumentAttributeValueCB(AtkDocument *aDocument,
                            const gchar *aAttrName)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
    if (!accWrap)
        return nsnull;

    nsCOMPtr<nsIAccessibleDocument> accDocument;
    accWrap->QueryInterface(NS_GET_IID(nsIAccessibleDocument),
                            getter_AddRefs(accDocument));
    NS_ENSURE_TRUE(accDocument, nsnull);

    nsresult rv;
    nsAutoString attrValue;
    if (!g_ascii_strcasecmp(aAttrName, kDocTypeName)) {
        rv = accDocument->GetDocType(attrValue);
        NS_ENSURE_SUCCESS(rv, nsnull);
    }
    else if (!g_ascii_strcasecmp(aAttrName, kDocUrlName)) {
        rv = accDocument->GetURL(attrValue);
        NS_ENSURE_SUCCESS(rv, nsnull);
    }
    else if (!g_ascii_strcasecmp(aAttrName, kMimeTypeName)) {
        rv = accDocument->GetMimeType(attrValue);
        NS_ENSURE_SUCCESS(rv, nsnull);
    }
    else {
        return nsnull;
    }
    return nsAccessibleWrap::ReturnString(attrValue);
}

Example #11

File: nsMaiInterfaceDocument.cpp Project: Akin-Net/mozilla-central

AtkAttributeSet *
getDocumentAttributesCB(AtkDocument *aDocument)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
    if (!accWrap)
        return nsnull;

    nsCOMPtr<nsIAccessibleDocument> accDocument;
    accWrap->QueryInterface(NS_GET_IID(nsIAccessibleDocument),
                            getter_AddRefs(accDocument));
    NS_ENSURE_TRUE(accDocument, nsnull);

    // according to atkobject.h, AtkAttributeSet is a GSList
    GSList *attributes = nsnull;

    nsAutoString aURL;
    nsresult rv = accDocument->GetURL(aURL);
    if (NS_SUCCEEDED(rv)) {
        attributes = prependToList(attributes, kDocUrlName, aURL);
    }
    nsAutoString aW3CDocType;
    rv = accDocument->GetDocType(aW3CDocType);
    if (NS_SUCCEEDED(rv)) {
        attributes = prependToList(attributes, kDocTypeName, aW3CDocType);
    }
    nsAutoString aMimeType;
    rv = accDocument->GetMimeType(aMimeType);
    if (NS_SUCCEEDED(rv)) {
        attributes = prependToList(attributes, kMimeTypeName, aMimeType);
    }
    
    return attributes;
}

Example #12

File: nsMaiInterfaceText.cpp Project: AntonSilviu/v8monkey

AtkAttributeSet *
getRunAttributesCB(AtkText *aText, gint aOffset,
                   gint *aStartOffset,
                   gint *aEndOffset)
{
    *aStartOffset = -1;
    *aEndOffset = -1;

    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
    if (!accWrap)
        return nsnull;

    nsCOMPtr<nsIAccessibleText> accText;
    accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
                            getter_AddRefs(accText));
    NS_ENSURE_TRUE(accText, nsnull);

    nsCOMPtr<nsIPersistentProperties> attributes;
    PRInt32 startOffset = 0, endOffset = 0;
    nsresult rv = accText->GetTextAttributes(false, aOffset,
                                             &startOffset, &endOffset,
                                             getter_AddRefs(attributes));
    NS_ENSURE_SUCCESS(rv, nsnull);

    *aStartOffset = startOffset;
    *aEndOffset = endOffset;

    return ConvertToAtkAttributeSet(attributes);
}

Example #13

File: nsMaiInterfaceText.cpp Project: AntonSilviu/v8monkey

gchar *
getTextBeforeOffsetCB(AtkText *aText, gint aOffset,
                      AtkTextBoundary aBoundaryType,
                      gint *aStartOffset, gint *aEndOffset)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
    if (!accWrap)
        return nsnull;

    nsCOMPtr<nsIAccessibleText> accText;
    accWrap->QueryInterface(NS_GET_IID(nsIAccessibleText),
                            getter_AddRefs(accText));
    NS_ENSURE_TRUE(accText, nsnull);

    nsAutoString autoStr;
    PRInt32 startOffset = 0, endOffset = 0;
    nsresult rv =
        accText->GetTextBeforeOffset(aOffset, aBoundaryType,
                                     &startOffset, &endOffset, autoStr);
    *aStartOffset = startOffset;
    *aEndOffset = endOffset;

    NS_ENSURE_SUCCESS(rv, nsnull);

    ConvertTexttoAsterisks(accWrap, autoStr);
    NS_ConvertUTF16toUTF8 cautoStr(autoStr);
    return (cautoStr.get()) ? g_strdup(cautoStr.get()) : nsnull;
}

Example #14

File: nsAccessibleWrap.cpp Project: amyvmiwei/firefox

AtkRelationSet *
refRelationSetCB(AtkObject *aAtkObj)
{
    AtkRelationSet *relation_set = nsnull;
    relation_set = ATK_OBJECT_CLASS(parent_class)->ref_relation_set(aAtkObj);

    nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
    if (!accWrap) {
        return relation_set;
    }

    AtkRelation* relation;

    PRUint32 relationType[] = {nsIAccessibleRelation::RELATION_LABELLED_BY,
                               nsIAccessibleRelation::RELATION_LABEL_FOR,
                               nsIAccessibleRelation::RELATION_NODE_CHILD_OF,
                               nsIAccessibleRelation::RELATION_CONTROLLED_BY,
                               nsIAccessibleRelation::RELATION_CONTROLLER_FOR,
                               nsIAccessibleRelation::RELATION_EMBEDS,
                               nsIAccessibleRelation::RELATION_FLOWS_TO,
                               nsIAccessibleRelation::RELATION_FLOWS_FROM,
                               nsIAccessibleRelation::RELATION_DESCRIBED_BY,
                               nsIAccessibleRelation::RELATION_DESCRIPTION_FOR,
                              };

    for (PRUint32 i = 0; i < NS_ARRAY_LENGTH(relationType); i++) {
        relation = atk_relation_set_get_relation_by_type(relation_set, static_cast<AtkRelationType>(relationType[i]));
        if (relation) {
            atk_relation_set_remove(relation_set, relation);
        }

        nsCOMPtr<nsIAccessibleRelation> geckoRelation;
        nsresult rv = accWrap->GetRelationByType(relationType[i],
                      getter_AddRefs(geckoRelation));
        if (NS_SUCCEEDED(rv) && geckoRelation) {
            PRUint32 targetsCount = 0;
            geckoRelation->GetTargetsCount(&targetsCount);
            if (targetsCount) {
                AtkObject** accessible_array = new AtkObject*[targetsCount];
                for (PRUint32 index = 0; index < targetsCount; index++) {
                    nsCOMPtr<nsIAccessible> geckoTarget;
                    geckoRelation->GetTarget(index, getter_AddRefs(geckoTarget));
                    accessible_array[index] =
                        nsAccessibleWrap::GetAtkObject(geckoTarget);
                }

                relation = atk_relation_new(accessible_array, targetsCount,
                                            static_cast<AtkRelationType>(relationType[i]));
                atk_relation_set_add(relation_set, relation);
                g_object_unref(relation);

                delete [] accessible_array;
            }
        }
    }

    return relation_set;
}

Example #15

File: nsMaiInterfaceSelection.cpp Project: AshishNamdev/mozilla-central

static gboolean
addSelectionCB(AtkSelection *aSelection, gint i)
{
  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
  if (!accWrap || !accWrap->IsSelect())
    return FALSE;

  return accWrap->AddItemToSelection(i);
}

Example #16

File: nsMaiInterfaceSelection.cpp Project: AshishNamdev/mozilla-central

static gboolean
removeSelectionCB(AtkSelection *aSelection, gint i)
{
  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
  if (!accWrap || !accWrap->IsSelect())
    return FALSE;

  return accWrap->RemoveItemFromSelection(i);
}

Example #17

File: nsMaiInterfaceSelection.cpp Project: AshishNamdev/mozilla-central

static gint
getSelectionCountCB(AtkSelection *aSelection)
{
  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
  if (!accWrap || !accWrap->IsSelect())
    return -1;

  return accWrap->SelectedItemCount();
}

Example #18

File: nsMaiInterfaceSelection.cpp Project: AshishNamdev/mozilla-central

static gboolean
isChildSelectedCB(AtkSelection *aSelection, gint i)
{
  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
  if (!accWrap || !accWrap->IsSelect())
    return FALSE;

  return accWrap->IsItemSelected(i);
}

Example #19

File: nsMaiInterfaceSelection.cpp Project: AshishNamdev/mozilla-central

static gboolean
selectAllSelectionCB(AtkSelection *aSelection)
{
  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
  if (!accWrap || !accWrap->IsSelect())
    return FALSE;

  return accWrap->SelectAll();
}

Example #20

File: nsMaiInterfaceImage.cpp Project: jason188/mozilla-central

static void
getImageSizeCB(AtkImage* aImage, gint* aAccWidth, gint* aAccHeight)
{
  nsAccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImage));
  if (!accWrap || !accWrap->IsImage())
    return;

  accWrap->AsImage()->GetImageSize(aAccWidth, aAccHeight);
}

Example #21

File: nsMaiInterfaceAction.cpp Project: EdgarChen/mozilla-cvs-history

gboolean
doActionCB(AtkAction *aAction, gint aActionIndex)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
    if (!accWrap)
        return FALSE;
 
    nsresult rv = accWrap->DoAction(aActionIndex);
    return (NS_FAILED(rv)) ? FALSE : TRUE;
}

Example #22

File: nsAccessibleWrap.cpp Project: jiaofeng/Icefox

gint
getChildCountCB(AtkObject *aAtkObj)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(aAtkObj);
    if (!accWrap || nsAccUtils::MustPrune(accWrap)) {
        return 0;
    }

    return accWrap->GetEmbeddedChildCount();
}

Example #23

File: nsMaiInterfaceComponent.cpp Project: PinZhang/mozilla-central

static gboolean
grabFocusCB(AtkComponent* aComponent)
{
  nsAccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aComponent));
  if (!accWrap)
    return FALSE;

  nsresult rv = accWrap->TakeFocus();
  return (NS_FAILED(rv)) ? FALSE : TRUE;
}

Example #24

File: nsMaiInterfaceText.cpp Project: AntonSilviu/v8monkey

gint
getCharacterCountCB(AtkText *aText)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
    if (!accWrap)
        return 0;

    nsHyperTextAccessible* textAcc = accWrap->AsHyperText();
    return textAcc->IsDefunct() ?
        0 : static_cast<gint>(textAcc->CharacterCount());
}

Example #25

File: nsMaiInterfaceDocument.cpp Project: jbalogh/mozilla-central

const gchar *
getDocumentLocaleCB(AtkDocument *aDocument)
{
  nsAccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aDocument));
  if (!accWrap)
    return nsnull;

  nsAutoString locale;
  accWrap->GetLanguage(locale);
  return locale.IsEmpty() ? nsnull : nsAccessibleWrap::ReturnString(locale);
}

Example #26

File: nsMaiInterfaceAction.cpp Project: EdgarChen/mozilla-cvs-history

gint
getActionCountCB(AtkAction *aAction)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
    if (!accWrap)
        return 0;

    PRUint8 num = 0;
    nsresult rv = accWrap->GetNumActions(&num);
    return (NS_FAILED(rv)) ? 0 : static_cast<gint>(num);
}

Example #27

File: nsMaiInterfaceHypertext.cpp Project: LittleForker/mozilla-central

gint
getLinkCountCB(AtkHypertext *aText)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
    if (!accWrap)
        return -1;

    nsHyperTextAccessible* hyperText = accWrap->AsHyperText();
    NS_ENSURE_TRUE(hyperText, -1);

    return hyperText->GetLinkCount();
}

Example #28

File: nsMaiInterfaceAction.cpp Project: EdgarChen/mozilla-cvs-history

const gchar *
getActionNameCB(AtkAction *aAction, gint aActionIndex)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
    if (!accWrap)
        return nsnull;

    nsAutoString autoStr;
    nsresult rv = accWrap->GetActionName(aActionIndex, autoStr);
    NS_ENSURE_SUCCESS(rv, nsnull);
    return nsAccessibleWrap::ReturnString(autoStr);
}

Example #29

File: nsMaiInterfaceHyperlinkImpl.cpp Project: Akin-Net/mozilla-central

AtkHyperlink*
getHyperlinkCB(AtkHyperlinkImpl* aImpl)
{
  nsAccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImpl));
  if (!accWrap)
    return nsnull;

  NS_ENSURE_TRUE(accWrap->IsLink(), nsnull);

  MaiHyperlink* maiHyperlink = accWrap->GetMaiHyperlink();
  NS_ENSURE_TRUE(maiHyperlink, nsnull);
  return maiHyperlink->GetAtkHyperlink();
}

Example #30

File: nsMaiInterfaceHypertext.cpp Project: LittleForker/mozilla-central

AtkHyperlink *
getLinkCB(AtkHypertext *aText, gint aLinkIndex)
{
    nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
    if (!accWrap)
        return nsnull;

    nsHyperTextAccessible* hyperText = accWrap->AsHyperText();
    NS_ENSURE_TRUE(hyperText, nsnull);

    nsAccessible* hyperLink = hyperText->GetLinkAt(aLinkIndex);
    if (!hyperLink)
        return nsnull;

    AtkObject* hyperLinkAtkObj = nsAccessibleWrap::GetAtkObject(hyperLink);
    nsAccessibleWrap *accChild = GetAccessibleWrap(hyperLinkAtkObj);
    NS_ENSURE_TRUE(accChild, nsnull);

    MaiHyperlink *maiHyperlink = accChild->GetMaiHyperlink();
    NS_ENSURE_TRUE(maiHyperlink, nsnull);
    return maiHyperlink->GetAtkHyperlink();
}