void RenderListItem::insertOrMoveMarkerRendererIfNeeded()
{
// Sanity check the location of our marker.
if (!m_marker)
return;
RenderElement* currentParent = m_marker->parent();
RenderBlock* newParent = getParentOfFirstLineBox(this, m_marker);
if (!newParent) {
// If the marker is currently contained inside an anonymous box,
// then we are the only item in that anonymous box (since no line box
// parent was found). It's ok to just leave the marker where it is
// in this case.
if (currentParent && currentParent->isAnonymousBlock())
return;
newParent = this;
}
if (newParent != currentParent) {
// Removing and adding the marker can trigger repainting in
// containers other than ourselves, so we need to disable LayoutState.
LayoutStateDisabler layoutStateDisabler(&view());
m_marker->removeFromParent();
newParent->addChild(m_marker, firstNonMarkerChild(newParent));
m_marker->updateMarginsAndContent();
// If current parent is an anonymous block that has lost all its children, destroy it.
if (currentParent && currentParent->isAnonymousBlock() && !currentParent->firstChild() && !toRenderBlock(currentParent)->continuation())
currentParent->destroy();
}
}
void RenderTreeUpdater::createRenderer(Element& element, RenderStyle&& style)
{
auto computeInsertionPosition = [this, &element, &style] () {
#if ENABLE(CSS_REGIONS)
if (element.shouldMoveToFlowThread(style))
return RenderTreePosition::insertionPositionForFlowThread(renderTreePosition().parent().element(), element, style);
#endif
renderTreePosition().computeNextSibling(element);
return renderTreePosition();
};
if (!shouldCreateRenderer(element, renderTreePosition().parent()))
return;
#if ENABLE(CSS_REGIONS)
// Even display: none elements need to be registered in FlowThreadController.
registerElementForFlowThreadIfNeeded(element, style);
#endif
if (!element.rendererIsNeeded(style))
return;
RenderTreePosition insertionPosition = computeInsertionPosition();
RenderElement* newRenderer = element.createElementRenderer(WTFMove(style), insertionPosition).leakPtr();
if (!newRenderer)
return;
if (!insertionPosition.canInsert(*newRenderer)) {
newRenderer->destroy();
return;
}
// Make sure the RenderObject already knows it is going to be added to a RenderFlowThread before we set the style
// for the first time. Otherwise code using inRenderFlowThread() in the styleWillChange and styleDidChange will fail.
newRenderer->setFlowThreadState(insertionPosition.parent().flowThreadState());
element.setRenderer(newRenderer);
auto& initialStyle = newRenderer->style();
std::unique_ptr<RenderStyle> animatedStyle;
newRenderer->animation().updateAnimations(*newRenderer, initialStyle, animatedStyle);
if (animatedStyle)
newRenderer->setStyleInternal(WTFMove(*animatedStyle));
newRenderer->initializeStyle();
#if ENABLE(FULLSCREEN_API)
if (m_document.webkitIsFullScreen() && m_document.webkitCurrentFullScreenElement() == &element) {
newRenderer = RenderFullScreen::wrapRenderer(newRenderer, &insertionPosition.parent(), m_document);
if (!newRenderer)
return;
}
#endif
// Note: Adding newRenderer instead of renderer(). renderer() may be a child of newRenderer.
insertionPosition.insert(*newRenderer);
if (AXObjectCache* cache = m_document.axObjectCache())
cache->updateCacheAfterNodeIsAttached(&element);
}
void RenderListItem::insertOrMoveMarkerRendererIfNeeded()
{
// Sanity check the location of our marker.
if (!m_marker)
return;
// FIXME: Do not even try to reposition the marker when we are not in layout
// until after we fixed webkit.org/b/163789.
if (!view().frameView().isInRenderTreeLayout())
return;
RenderElement* currentParent = m_marker->parent();
RenderBlock* newParent = getParentOfFirstLineBox(*this, *m_marker);
if (!newParent) {
// If the marker is currently contained inside an anonymous box,
// then we are the only item in that anonymous box (since no line box
// parent was found). It's ok to just leave the marker where it is
// in this case.
if (currentParent && currentParent->isAnonymousBlock())
return;
if (multiColumnFlowThread())
newParent = multiColumnFlowThread();
else
newParent = this;
}
if (newParent != currentParent) {
// Removing and adding the marker can trigger repainting in
// containers other than ourselves, so we need to disable LayoutState.
LayoutStateDisabler layoutStateDisabler(view());
// Mark the parent dirty so that when the marker gets inserted into the tree
// and dirties ancestors, it stops at the parent.
newParent->setChildNeedsLayout(MarkOnlyThis);
m_marker->setNeedsLayout(MarkOnlyThis);
m_marker->removeFromParent();
newParent->addChild(m_marker, firstNonMarkerChild(*newParent));
m_marker->updateMarginsAndContent();
// If current parent is an anonymous block that has lost all its children, destroy it.
if (currentParent && currentParent->isAnonymousBlock() && !currentParent->firstChild() && !downcast<RenderBlock>(*currentParent).continuation())
currentParent->destroy();
}
}
