void RenderInline::splitFlow(RenderObject* beforeChild, RenderBlock* newBlockBox,
RenderObject* newChild, RenderFlow* oldCont)
{
RenderBlock* pre = 0;
RenderBlock* block = containingBlock();
// Delete our line boxes before we do the inline split into continuations.
block->deleteLineBoxTree();
bool madeNewBeforeBlock = false;
if (block->isAnonymousBlock() && (!block->parent() || !block->parent()->createsAnonymousWrapper())) {
// We can reuse this block and make it the preBlock of the next continuation.
pre = block;
block = block->containingBlock();
} else {
// No anonymous block available for use. Make one.
pre = block->createAnonymousBlock();
madeNewBeforeBlock = true;
}
RenderBlock* post = block->createAnonymousBlock();
RenderObject* boxFirst = madeNewBeforeBlock ? block->firstChild() : pre->nextSibling();
if (madeNewBeforeBlock)
block->insertChildNode(pre, boxFirst);
block->insertChildNode(newBlockBox, boxFirst);
block->insertChildNode(post, boxFirst);
block->setChildrenInline(false);
if (madeNewBeforeBlock) {
RenderObject* o = boxFirst;
while (o) {
RenderObject* no = o;
o = no->nextSibling();
pre->appendChildNode(block->removeChildNode(no));
no->setNeedsLayoutAndPrefWidthsRecalc();
}
}
splitInlines(pre, post, newBlockBox, beforeChild, oldCont);
// We already know the newBlockBox isn't going to contain inline kids, so avoid wasting
// time in makeChildrenNonInline by just setting this explicitly up front.
newBlockBox->setChildrenInline(false);
// We don't just call addChild, since it would pass things off to the
// continuation, so we call addChildToFlow explicitly instead. We delayed
// adding the newChild until now so that the |newBlockBox| would be fully
// connected, thus allowing newChild access to a renderArena should it need
// to wrap itself in additional boxes (e.g., table construction).
newBlockBox->addChildToFlow(newChild, 0);
// Always just do a full layout in order to ensure that line boxes (especially wrappers for images)
// get deleted properly. Because objects moves from the pre block into the post block, we want to
// make new line boxes instead of leaving the old line boxes around.
pre->setNeedsLayoutAndPrefWidthsRecalc();
block->setNeedsLayoutAndPrefWidthsRecalc();
post->setNeedsLayoutAndPrefWidthsRecalc();
}
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 RenderInline::splitFlow(RenderObject *beforeChild, RenderBlock *newBlockBox, RenderObject *newChild, RenderFlow *oldCont)
{
RenderBlock *pre = 0;
RenderBlock *block = containingBlock();
bool madeNewBeforeBlock = false;
if(block->isAnonymousBlock())
{
// We can reuse this block and make it the preBlock of the next continuation.
pre = block;
block = block->containingBlock();
}
else
{
// No anonymous block available for use. Make one.
pre = block->createAnonymousBlock();
madeNewBeforeBlock = true;
}
RenderBlock *post = block->createAnonymousBlock();
RenderObject *boxFirst = madeNewBeforeBlock ? block->firstChild() : pre->nextSibling();
if(madeNewBeforeBlock)
block->insertChildNode(pre, boxFirst);
block->insertChildNode(newBlockBox, boxFirst);
block->insertChildNode(post, boxFirst);
block->setChildrenInline(false);
if(madeNewBeforeBlock)
{
RenderObject *o = boxFirst;
while(o)
{
RenderObject *no = o;
o = no->nextSibling();
pre->appendChildNode(block->removeChildNode(no));
no->setNeedsLayoutAndMinMaxRecalc();
}
}
splitInlines(pre, post, newBlockBox, beforeChild, oldCont);
// We already know the newBlockBox isn't going to contain inline kids, so avoid wasting
// time in makeChildrenNonInline by just setting this explicitly up front.
newBlockBox->setChildrenInline(false);
// We don't just call addChild, since it would pass things off to the
// continuation, so we call addChildToFlow explicitly instead. We delayed
// adding the newChild until now so that the |newBlockBox| would be fully
// connected, thus allowing newChild access to a renderArena should it need
// to wrap itself in additional boxes (e.g., table construction).
newBlockBox->addChildToFlow(newChild, 0);
// XXXdwh is any of this even necessary? I don't think it is.
pre->close();
pre->setPos(0, -500000);
pre->setNeedsLayout(true);
newBlockBox->close();
newBlockBox->setPos(0, -500000);
newBlockBox->setNeedsLayout(true);
post->close();
post->setPos(0, -500000);
post->setNeedsLayout(true);
updatePseudoChildren();
block->setNeedsLayoutAndMinMaxRecalc();
}