bool LayoutListItem::updateMarkerLocation()
{
ASSERT(m_marker);
LayoutObject* markerParent = m_marker->parent();
LayoutObject* lineBoxParent = getParentOfFirstLineBox(this, m_marker);
if (!lineBoxParent) {
// If the marker is currently contained inside an anonymous box, then we
// are the only item in that anonymous box (since no line box parent was
// found). It's ok to just leave the marker where it is in this case.
if (markerParent && markerParent->isAnonymousBlock())
lineBoxParent = markerParent;
else
lineBoxParent = this;
}
if (markerParent != lineBoxParent) {
m_marker->remove();
lineBoxParent->addChild(m_marker, firstNonMarkerChild(lineBoxParent));
m_marker->updateMarginsAndContent();
// If markerParent is an anonymous block with no children, destroy it.
if (markerParent && markerParent->isAnonymousBlock() && !toLayoutBlock(markerParent)->firstChild() && !toLayoutBlock(markerParent)->continuation())
markerParent->destroy();
return true;
}
return false;
}
void LayoutRubyBase::moveBlockChildren(LayoutRubyBase* toBase, LayoutObject* beforeChild)
{
ASSERT(!childrenInline());
ASSERT_ARG(toBase, toBase);
if (!firstChild())
return;
if (toBase->childrenInline())
toBase->makeChildrenNonInline();
// If an anonymous block would be put next to another such block, then merge those.
LayoutObject* firstChildHere = firstChild();
LayoutObject* lastChildThere = toBase->lastChild();
if (firstChildHere->isAnonymousBlock() && firstChildHere->childrenInline()
&& lastChildThere && lastChildThere->isAnonymousBlock() && lastChildThere->childrenInline()) {
LayoutBlock* anonBlockHere = toLayoutBlock(firstChildHere);
LayoutBlock* anonBlockThere = toLayoutBlock(lastChildThere);
anonBlockHere->moveAllChildrenTo(anonBlockThere, anonBlockThere->children());
anonBlockHere->deleteLineBoxTree();
anonBlockHere->destroy();
}
// Move all remaining children normally.
moveChildrenTo(toBase, firstChild(), beforeChild);
}
void LayoutRubyBase::moveInlineChildren(LayoutRubyBase* toBase, LayoutObject* beforeChild)
{
ASSERT(childrenInline());
ASSERT_ARG(toBase, toBase);
if (!firstChild())
return;
LayoutBlock* toBlock;
if (toBase->childrenInline()) {
// The standard and easy case: move the children into the target base
toBlock = toBase;
} else {
// We need to wrap the inline objects into an anonymous block.
// If toBase has a suitable block, we re-use it, otherwise create a new one.
LayoutObject* lastChild = toBase->lastChild();
if (lastChild && lastChild->isAnonymousBlock() && lastChild->childrenInline()) {
toBlock = toLayoutBlock(lastChild);
} else {
toBlock = toBase->createAnonymousBlock();
toBase->children()->appendChildNode(toBase, toBlock);
}
}
// Move our inline children into the target block we determined above.
moveChildrenTo(toBlock, firstChild(), beforeChild);
}
bool LayoutListItem::updateMarkerLocation() {
ASSERT(m_marker);
LayoutObject* markerParent = m_marker->parent();
// list-style-position:inside makes the ::marker pseudo an ordinary
// position:static element that should be attached to LayoutListItem block.
LayoutObject* lineBoxParent =
m_marker->isInside() ? this : getParentOfFirstLineBox(this, m_marker);
if (!lineBoxParent) {
// If the marker is currently contained inside an anonymous box, then we
// are the only item in that anonymous box (since no line box parent was
// found). It's ok to just leave the marker where it is in this case.
if (markerParent && markerParent->isAnonymousBlock())
lineBoxParent = markerParent;
else
lineBoxParent = this;
}
if (markerParent != lineBoxParent) {
m_marker->remove();
lineBoxParent->addChild(m_marker, firstNonMarkerChild(lineBoxParent));
// TODO(rhogan): lineBoxParent and markerParent may be deleted by addChild,
// so they are not safe to reference here.
// Once we have a safe way of referencing them delete markerParent if it is
// an empty anonymous block.
m_marker->updateMarginsAndContent();
return true;
}
return false;
}
