void RenderRubyBase::moveBlockChildren(RenderRubyBase* toBase, RenderObject* 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.
RenderObject* firstChildHere = firstChild();
RenderObject* lastChildThere = toBase->lastChild();
if (firstChildHere->isAnonymousBlock() && firstChildHere->childrenInline()
&& lastChildThere && lastChildThere->isAnonymousBlock() && lastChildThere->childrenInline()) {
RenderBlock* anonBlockHere = toRenderBlock(firstChildHere);
RenderBlock* anonBlockThere = toRenderBlock(lastChildThere);
anonBlockHere->moveAllChildrenTo(anonBlockThere, anonBlockThere->children());
anonBlockHere->deleteLineBoxTree();
anonBlockHere->destroy();
}
// Move all remaining children normally.
moveChildrenTo(toBase, firstChild(), beforeChild);
}
void RenderRubyBase::mergeBlockChildren(RenderRubyBase* toBase, RenderObject* fromBeforeChild)
{
// This function removes all children that are before fromBeforeChild and appends them to toBase.
ASSERT(!childrenInline());
ASSERT(toBase);
ASSERT(!toBase->childrenInline());
// Quick check whether we have anything to do, to simplify the following code.
if (fromBeforeChild != firstChild())
return;
// If an anonymous block would be put next to another such block, then merge those.
RenderObject* firstChildHere = firstChild();
RenderObject* lastChildThere = toBase->lastChild();
if (firstChildHere && firstChildHere->isAnonymousBlock() && firstChildHere->childrenInline()
&& lastChildThere && lastChildThere->isAnonymousBlock() && lastChildThere->childrenInline()) {
RenderBlock* anonBlockHere = toRenderBlock(firstChildHere);
RenderBlock* anonBlockThere = toRenderBlock(lastChildThere);
anonBlockHere->moveAllChildrenTo(anonBlockThere, anonBlockThere->children());
anonBlockHere->deleteLineBoxTree();
anonBlockHere->destroy();
}
// Move all remaining children normally.
moveChildrenTo(toBase, firstChild(), fromBeforeChild);
}
void RenderRubyBase::moveInlineChildren(RenderRubyBase* toBase, RenderObject* fromBeforeChild)
{
RenderBlock* 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.
RenderObject* lastChild = toBase->lastChild();
if (lastChild && lastChild->isAnonymousBlock() && lastChild->childrenInline())
toBlock = toRenderBlock(lastChild);
else {
toBlock = toBase->createAnonymousBlock();
toBase->children()->appendChildNode(toBase, toBlock);
}
}
// Move our inline children into the target block we determined above.
for (RenderObject* child = firstChild(); child != fromBeforeChild; child = firstChild())
moveChildTo(toBlock, toBlock->children(), child);
}