void
TextAttrsMgr::GetRange(TextAttr* aAttrArray[], uint32_t aAttrArrayLen,
uint32_t* aStartOffset, uint32_t* aEndOffset)
{
// Navigate backward from anchor accessible to find start offset.
for (int32_t childIdx = mOffsetAccIdx - 1; childIdx >= 0; childIdx--) {
Accessible* currAcc = mHyperTextAcc->GetChildAt(childIdx);
// Stop on embedded accessible since embedded accessibles are combined into
// own range.
if (!currAcc->IsText())
break;
MOZ_ASSERT(nsCoreUtils::GetDOMElementFor(currAcc->GetContent()),
"Text accessible has to have an associated DOM element");
bool offsetFound = false;
for (uint32_t attrIdx = 0; attrIdx < aAttrArrayLen; attrIdx++) {
TextAttr* textAttr = aAttrArray[attrIdx];
if (!textAttr->Equal(currAcc)) {
offsetFound = true;
break;
}
}
if (offsetFound)
break;
*(aStartOffset) -= nsAccUtils::TextLength(currAcc);
}
// Navigate forward from anchor accessible to find end offset.
uint32_t childLen = mHyperTextAcc->ChildCount();
for (uint32_t childIdx = mOffsetAccIdx + 1; childIdx < childLen; childIdx++) {
Accessible* currAcc = mHyperTextAcc->GetChildAt(childIdx);
if (!currAcc->IsText())
break;
MOZ_ASSERT(nsCoreUtils::GetDOMElementFor(currAcc->GetContent()),
"Text accessible has to have an associated DOM element");
bool offsetFound = false;
for (uint32_t attrIdx = 0; attrIdx < aAttrArrayLen; attrIdx++) {
TextAttr* textAttr = aAttrArray[attrIdx];
// Alter the end offset when text attribute changes its value and stop
// the search.
if (!textAttr->Equal(currAcc)) {
offsetFound = true;
break;
}
}
if (offsetFound)
break;
(*aEndOffset) += nsAccUtils::TextLength(currAcc);
}
}
void
TextAttrsMgr::GetRange(TextAttr* aAttrArray[], PRUint32 aAttrArrayLen,
PRInt32* aStartHTOffset, PRInt32* aEndHTOffset)
{
// Navigate backward from anchor accessible to find start offset.
for (PRInt32 childIdx = mOffsetAccIdx - 1; childIdx >= 0; childIdx--) {
Accessible* currAcc = mHyperTextAcc->GetChildAt(childIdx);
// Stop on embedded accessible since embedded accessibles are combined into
// own range.
if (nsAccUtils::IsEmbeddedObject(currAcc))
break;
bool offsetFound = false;
for (PRUint32 attrIdx = 0; attrIdx < aAttrArrayLen; attrIdx++) {
TextAttr* textAttr = aAttrArray[attrIdx];
if (!textAttr->Equal(currAcc)) {
offsetFound = true;
break;
}
}
if (offsetFound)
break;
*(aStartHTOffset) -= nsAccUtils::TextLength(currAcc);
}
// Navigate forward from anchor accessible to find end offset.
PRUint32 childLen = mHyperTextAcc->ChildCount();
for (PRUint32 childIdx = mOffsetAccIdx + 1; childIdx < childLen; childIdx++) {
Accessible* currAcc = mHyperTextAcc->GetChildAt(childIdx);
if (nsAccUtils::IsEmbeddedObject(currAcc))
break;
bool offsetFound = false;
for (PRUint32 attrIdx = 0; attrIdx < aAttrArrayLen; attrIdx++) {
TextAttr* textAttr = aAttrArray[attrIdx];
// Alter the end offset when text attribute changes its value and stop
// the search.
if (!textAttr->Equal(currAcc)) {
offsetFound = true;
break;
}
}
if (offsetFound)
break;
(*aEndHTOffset) += nsAccUtils::TextLength(currAcc);
}
}