void RenderRubyBase::moveBlockChildren(RenderRubyBase* toBase, RenderObject* fromBeforeChild)
{
if (toBase->childrenInline()) {
// First check whether we move only wrapped inline objects.
if (hasOnlyWrappedInlineChildren(fromBeforeChild)) {
// The reason why the base is in block flow must be after beforeChild.
// We therefore can extract the inline objects and move them to toBase.
for (RenderObject* child = firstChild(); child != fromBeforeChild; child = firstChild()) {
if (child->isAnonymousBlock()) {
RenderBlock* anonBlock = toRenderBlock(child);
ASSERT(anonBlock->childrenInline());
ASSERT(!anonBlock->inlineElementContinuation());
anonBlock->moveAllChildrenTo(toBase, toBase->children());
anonBlock->deleteLineBoxTree();
anonBlock->destroy();
} else {
ASSERT(child->isFloatingOrPositioned());
moveChildTo(toBase, child);
}
}
} else {
// Moving block children -> have to set toBase as block flow
toBase->makeChildrenNonInline();
// Move children, potentially collapsing anonymous block wrappers.
mergeBlockChildren(toBase, fromBeforeChild);
// Now we need to check if the leftover children are all inline.
// If so, make this base inline again.
if (hasOnlyWrappedInlineChildren()) {
RenderObject* next = 0;
for (RenderObject* child = firstChild(); child; child = next) {
next = child->nextSibling();
if (child->isFloatingOrPositioned())
continue;
ASSERT(child->isAnonymousBlock());
RenderBlock* anonBlock = toRenderBlock(child);
ASSERT(anonBlock->childrenInline());
ASSERT(!anonBlock->inlineElementContinuation());
// Move inline children out of anonymous block.
anonBlock->moveAllChildrenTo(this, anonBlock);
anonBlock->deleteLineBoxTree();
anonBlock->destroy();
}
setChildrenInline(true);
}
}
} else
mergeBlockChildren(toBase, fromBeforeChild);
}
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, true);
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);
}
RenderObject* RenderFullScreen::wrapRenderer(RenderObject* object, RenderObject* parent, Document* document)
{
RenderFullScreen* fullscreenRenderer = RenderFullScreen::createAnonymous(document);
fullscreenRenderer->setStyle(createFullScreenStyle());
if (parent && !parent->isChildAllowed(fullscreenRenderer, fullscreenRenderer->style())) {
fullscreenRenderer->destroy();
return 0;
}
if (object) {
// |object->parent()| can be null if the object is not yet attached
// to |parent|.
if (RenderObject* parent = object->parent()) {
RenderBlock* containingBlock = object->containingBlock();
ASSERT(containingBlock);
// Since we are moving the |object| to a new parent |fullscreenRenderer|,
// the line box tree underneath our |containingBlock| is not longer valid.
containingBlock->deleteLineBoxTree();
parent->addChild(fullscreenRenderer, object);
object->remove();
// Always just do a full layout to ensure that line boxes get deleted properly.
// Because objects moved from |parent| to |fullscreenRenderer|, we want to
// make new line boxes instead of leaving the old ones around.
parent->setNeedsLayoutAndPrefWidthsRecalc();
containingBlock->setNeedsLayoutAndPrefWidthsRecalc();
}
fullscreenRenderer->addChild(object);
fullscreenRenderer->setNeedsLayoutAndPrefWidthsRecalc();
}
document->setFullScreenRenderer(fullscreenRenderer);
return fullscreenRenderer;
}
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();
}
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 (!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->moveChildren(base);
moveChildTo(rightRun, base);
rightRun->moveChildTo(this, rightBase);
// The now empty ruby base will be removed below.
ASSERT(!rubyBase()->firstChild());
}
}
}
RenderBlock::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()) {
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();
}
}
}