RenderRubyRun* RenderRubyRun::staticCreateRubyRun(const RenderObject* parentRuby)
{
ASSERT(parentRuby && parentRuby->isRuby());
RenderRubyRun* rr = new (parentRuby->renderArena()) RenderRubyRun(parentRuby->document() /* anonymous */);
RefPtr<RenderStyle> newStyle = RenderStyle::createAnonymousStyleWithDisplay(parentRuby->style(), INLINE_BLOCK);
rr->setStyle(newStyle.release());
return rr;
}
void RenderRubyAsBlock::removeChild(RenderObject* child)
{
// If the child's parent is *this (a ruby run or :before or :after content),
// just use the normal remove method.
if (child->isRubyRun() || child->isBeforeContent() || child->isAfterContent()) {
RenderBlock::removeChild(child);
return;
}
// Otherwise find the containing run and remove it from there.
ASSERT(child->parent() != this);
RenderRubyRun* run = findRubyRunParent(child);
ASSERT(run);
run->removeChild(child);
}
void RenderRubyRun::addChild(RenderObject* child, RenderObject* beforeChild)
{
ASSERT(child);
if (child->isRubyText()) {
if (!beforeChild) {
// RenderRuby has already ascertained that we can add the child here.
ASSERT(!hasRubyText());
// prepend ruby texts as first child
RenderBlockFlow::addChild(child, firstChild());
} else if (beforeChild->isRubyText()) {
// New text is inserted just before another.
// In this case the new text takes the place of the old one, and
// the old text goes into a new run that is inserted as next sibling.
ASSERT(beforeChild->parent() == this);
RenderObject* ruby = parent();
ASSERT(ruby->isRuby());
RenderBlock* newRun = staticCreateRubyRun(ruby);
ruby->addChild(newRun, nextSibling());
// Add the new ruby text and move the old one to the new run
// Note: Doing it in this order and not using RenderRubyRun's methods,
// in order to avoid automatic removal of the ruby run in case there is no
// other child besides the old ruby text.
RenderBlockFlow::addChild(child, beforeChild);
RenderBlockFlow::removeChild(beforeChild);
newRun->addChild(beforeChild);
} else if (hasRubyBase()) {
// Insertion before a ruby base object.
// In this case we need insert a new run before the current one and split the base.
RenderObject* ruby = parent();
RenderRubyRun* newRun = staticCreateRubyRun(ruby);
ruby->addChild(newRun, this);
newRun->addChild(child);
rubyBaseSafe()->moveChildren(newRun->rubyBaseSafe(), beforeChild);
}
} else {
// child is not a text -> insert it into the base
// (append it instead if beforeChild is the ruby text)
RenderRubyBase* base = rubyBaseSafe();
if (beforeChild == base)
beforeChild = base->firstChild();
if (beforeChild && beforeChild->isRubyText())
beforeChild = 0;
ASSERT(!beforeChild || beforeChild->isDescendantOf(base));
base->addChild(child, beforeChild);
}
}
RenderObject* RenderRubyRun::removeChild(RenderObject& child)
{
// If the child is a ruby text, then merge the ruby base with the base of
// the right sibling run, if possible.
if (!beingDestroyed() && !documentBeingDestroyed() && child.isRubyText()) {
RenderRubyBase* base = rubyBase();
RenderObject* rightNeighbour = nextSibling();
if (base && rightNeighbour && rightNeighbour->isRubyRun()) {
// Ruby run without a base can happen only at the first run.
RenderRubyRun* rightRun = toRenderRubyRun(rightNeighbour);
if (rightRun->hasRubyBase()) {
RenderRubyBase* rightBase = rightRun->rubyBaseSafe();
// Collect all children in a single base, then swap the bases.
rightBase->mergeChildrenWithBase(base);
moveChildTo(rightRun, base);
rightRun->moveChildTo(this, rightBase);
// The now empty ruby base will be removed below.
ASSERT(!rubyBase()->firstChild());
}
}
}
RenderObject* next = RenderBlockFlow::removeChild(child);
if (!beingDestroyed() && !documentBeingDestroyed()) {
// Check if our base (if any) is now empty. If so, destroy it.
RenderBlock* base = rubyBase();
if (base && !base->firstChild()) {
next = RenderBlockFlow::removeChild(*base);
base->deleteLines();
base->destroy();
}
// If any of the above leaves the run empty, destroy it as well.
if (isEmpty()) {
parent()->removeChild(*this);
deleteLines();
destroy();
next = nullptr;
}
}
return next;
}
void RenderRubyRun::removeChild(RenderObject* child)
{
// If the child is a ruby text, then merge the ruby base with the base of
// the right sibling run, if possible.
if (!m_beingDestroyed && !documentBeingDestroyed() && child->isRubyText()) {
RenderRubyBase* base = rubyBase();
RenderObject* rightNeighbour = nextSibling();
if (base && rightNeighbour && rightNeighbour->isRubyRun()) {
// Ruby run without a base can happen only at the first run.
RenderRubyRun* rightRun = static_cast<RenderRubyRun*>(rightNeighbour);
if (rightRun->hasRubyBase()) {
RenderRubyBase* rightBase = rightRun->rubyBaseSafe();
// Collect all children in a single base, then swap the bases.
rightBase->moveChildren(base);
moveChildTo(rightRun, base);
rightRun->moveChildTo(this, rightBase);
// The now empty ruby base will be removed below.
}
}
}
RenderBlock::removeChild(child);
if (!m_beingDestroyed && !documentBeingDestroyed()) {
// Check if our base (if any) is now empty. If so, destroy it.
RenderBlock* base = rubyBase();
if (base && !base->firstChild()) {
RenderBlock::removeChild(base);
base->deleteLineBoxTree();
base->destroy();
}
// If any of the above leaves the run empty, destroy it as well.
if (isEmpty()) {
parent()->removeChild(this);
deleteLineBoxTree();
destroy();
}
}
}
void RenderRubyAsInline::addChild(RenderObject* child, RenderObject* beforeChild)
{
// Insert :before and :after content outside of ruby runs.
if (child->isBeforeContent() || child->isAfterContent()) {
RenderInline::addChild(child, beforeChild);
return;
}
// If the child is a ruby run, just add it normally.
if (child->isRubyRun()) {
RenderInline::addChild(child, beforeChild);
return;
}
if (beforeChild && !isAfterContent(beforeChild)) {
// insert child into run
ASSERT(!beforeChild->isRubyRun());
RenderObject* run = beforeChild;
while (run && !run->isRubyRun())
run = run->parent();
if (run) {
run->addChild(child, beforeChild);
return;
}
ASSERT_NOT_REACHED(); // beforeChild should always have a run as parent!
// Emergency fallback: fall through and just append.
}
// If the new child would be appended, try to add the child to the previous run
// if possible, or create a new run otherwise.
// (The RenderRubyRun object will handle the details)
RenderRubyRun* lastRun = lastRubyRun(this);
if (!lastRun || lastRun->hasRubyText()) {
lastRun = RenderRubyRun::staticCreateRubyRun(this);
RenderInline::addChild(lastRun);
}
lastRun->addChild(child);
}
void RenderRubyAsBlock::removeChild(RenderObject* child)
{
// If the child's parent is *this (must be a ruby run or generated content or anonymous block),
// just use the normal remove method.
if (child->parent() == this) {
ASSERT(child->isRubyRun() || child->isBeforeContent() || child->isAfterContent() || isAnonymousRubyInlineBlock(child));
RenderBlock::removeChild(child);
return;
}
// If the child's parent is an anoymous block (must be generated :before/:after content)
// just use the block's remove method.
if (isAnonymousRubyInlineBlock(child->parent())) {
ASSERT(child->isBeforeContent() || child->isAfterContent());
child->parent()->removeChild(child);
removeChild(child->parent());
return;
}
// Otherwise find the containing run and remove it from there.
RenderRubyRun* run = findRubyRunParent(child);
ASSERT(run);
run->removeChild(child);
}
void RenderRubyAsBlock::addChild(RenderObject* child, RenderObject* beforeChild)
{
// Insert :before and :after content before/after the RenderRubyRun(s)
if (child->isBeforeContent()) {
if (child->isInline()) {
// Add generated inline content normally
RenderBlock::addChild(child, firstChild());
} else {
// Wrap non-inline content with an anonymous inline-block.
RenderBlock* beforeBlock = rubyBeforeBlock(this);
if (!beforeBlock) {
beforeBlock = createAnonymousRubyInlineBlock(this);
RenderBlock::addChild(beforeBlock, firstChild());
}
beforeBlock->addChild(child);
}
return;
}
if (child->isAfterContent()) {
if (child->isInline()) {
// Add generated inline content normally
RenderBlock::addChild(child);
} else {
// Wrap non-inline content with an anonymous inline-block.
RenderBlock* afterBlock = rubyAfterBlock(this);
if (!afterBlock) {
afterBlock = createAnonymousRubyInlineBlock(this);
RenderBlock::addChild(afterBlock);
}
afterBlock->addChild(child);
}
return;
}
// If the child is a ruby run, just add it normally.
if (child->isRubyRun()) {
RenderBlock::addChild(child, beforeChild);
return;
}
if (beforeChild && !isAfterContent(beforeChild)) {
// insert child into run
ASSERT(!beforeChild->isRubyRun());
RenderObject* run = beforeChild;
while (run && !run->isRubyRun())
run = run->parent();
if (run) {
run->addChild(child, beforeChild);
return;
}
ASSERT_NOT_REACHED(); // beforeChild should always have a run as parent!
// Emergency fallback: fall through and just append.
}
// If the new child would be appended, try to add the child to the previous run
// if possible, or create a new run otherwise.
// (The RenderRubyRun object will handle the details)
RenderRubyRun* lastRun = lastRubyRun(this);
if (!lastRun || lastRun->hasRubyText()) {
lastRun = RenderRubyRun::staticCreateRubyRun(this);
RenderBlock::addChild(lastRun, beforeChild);
}
lastRun->addChild(child);
}
