Exemplo n.º 1
0
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->deleteLines();
        anonBlockHere->destroy();
    }
    // Move all remaining children normally.
    moveChildrenTo(toBase, firstChild(), beforeChild);
}
Exemplo n.º 2
0
RenderFullScreen* RenderFullScreen::wrapRenderer(RenderObject* object, RenderElement* parent, Document& document)
{
    RenderFullScreen* fullscreenRenderer = new RenderFullScreen(document, createFullScreenStyle());
    fullscreenRenderer->initializeStyle();
    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 (RenderElement* 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->deleteLines();

            parent->addChild(fullscreenRenderer, object);
            object->removeFromParent();
            
            // 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;
}
Exemplo n.º 3
0
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;
}