bool
nsLineBox::RFindLineContaining(nsIFrame* aFrame,
const nsLineList::iterator& aBegin,
nsLineList::iterator& aEnd,
nsIFrame* aLastFrameBeforeEnd,
PRInt32* aFrameIndexInLine)
{
NS_PRECONDITION(aFrame, "null ptr");
nsIFrame* curFrame = aLastFrameBeforeEnd;
while (aBegin != aEnd) {
--aEnd;
NS_ASSERTION(aEnd->LastChild() == curFrame, "Unexpected curFrame");
if (NS_UNLIKELY(aEnd->mFlags.mHasHashedFrames) &&
!aEnd->Contains(aFrame)) {
if (aEnd->mFirstChild) {
curFrame = aEnd->mFirstChild->GetPrevSibling();
}
continue;
}
// i is the index of curFrame in aEnd
PRInt32 i = aEnd->GetChildCount() - 1;
while (i >= 0) {
if (curFrame == aFrame) {
*aFrameIndexInLine = i;
return true;
}
--i;
curFrame = curFrame->GetPrevSibling();
}
MOZ_ASSERT(!aEnd->mFlags.mHasHashedFrames, "Contains lied to us!");
}
*aFrameIndexInLine = -1;
return false;
}
PRBool
nsLineBox::RFindLineContaining(nsIFrame* aFrame,
const nsLineList::iterator& aBegin,
nsLineList::iterator& aEnd,
nsIFrame* aLastFrameBeforeEnd,
PRInt32* aFrameIndexInLine)
{
NS_PRECONDITION(aFrame, "null ptr");
nsIFrame* curFrame = aLastFrameBeforeEnd;
while (aBegin != aEnd) {
--aEnd;
NS_ASSERTION(aEnd->IsLastChild(curFrame), "Unexpected curFrame");
// i is the index of curFrame in aEnd
PRInt32 i = aEnd->GetChildCount() - 1;
while (i >= 0) {
if (curFrame == aFrame) {
*aFrameIndexInLine = i;
return PR_TRUE;
}
--i;
curFrame = curFrame->GetPrevSibling();
}
}
*aFrameIndexInLine = -1;
return PR_FALSE;
}