static void createRendererIfNeeded(Element& element, RenderStyle* resolvedStyle)
{
ASSERT(!element.renderer());
Document& document = element.document();
ContainerNode* renderingParentNode = NodeRenderingTraversal::parent(&element);
RefPtr<RenderStyle> style = resolvedStyle;
element.setIsInsideRegion(false);
if (!shouldCreateRenderer(element, renderingParentNode) && !elementInsideRegionNeedsRenderer(element, renderingParentNode, style))
return;
if (!style)
style = element.styleForRenderer();
RenderNamedFlowThread* parentFlowRenderer = 0;
#if ENABLE(CSS_REGIONS)
parentFlowRenderer = moveToFlowThreadIfNeeded(element, *style);
#endif
if (!element.rendererIsNeeded(*style))
return;
RenderObject* parentRenderer;
RenderObject* nextRenderer;
if (parentFlowRenderer) {
parentRenderer = parentFlowRenderer;
nextRenderer = parentFlowRenderer->nextRendererForNode(&element);
} else {
parentRenderer = renderingParentNode->renderer();
nextRenderer = nextSiblingRenderer(element, renderingParentNode);
}
RenderObject* newRenderer = element.createRenderer(document.renderArena(), style.get());
if (!newRenderer)
return;
if (!parentRenderer->isChildAllowed(newRenderer, style.get())) {
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(parentRenderer->flowThreadState());
element.setRenderer(newRenderer);
newRenderer->setAnimatableStyle(style.release()); // setAnimatableStyle() can depend on renderer() already being set.
#if ENABLE(FULLSCREEN_API)
if (document.webkitIsFullScreen() && document.webkitCurrentFullScreenElement() == &element) {
newRenderer = RenderFullScreen::wrapRenderer(newRenderer, parentRenderer, &document);
if (!newRenderer)
return;
}
#endif
// Note: Adding newRenderer instead of renderer(). renderer() may be a child of newRenderer.
parentRenderer->addChild(newRenderer, nextRenderer);
}
void NodeRenderingContext::createRendererForElementIfNeeded()
{
ASSERT(!m_node->renderer());
Element* element = toElement(m_node);
element->setIsInsideRegion(false);
if (!shouldCreateRenderer() && !elementInsideRegionNeedsRenderer())
return;
if (!m_style)
m_style = element->styleForRenderer();
ASSERT(m_style);
moveToFlowThreadIfNeeded();
if (!element->rendererIsNeeded(*this))
return;
RenderObject* newRenderer = element->createRenderer(m_style.get());
if (!newRenderer)
return;
RenderObject* parentRenderer = this->parentRenderer();
if (!parentRenderer->isChildAllowed(newRenderer, m_style.get())) {
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(parentRenderer->flowThreadState());
RenderObject* nextRenderer = this->nextRenderer();
element->setRenderer(newRenderer);
newRenderer->setAnimatableStyle(m_style.release()); // setAnimatableStyle() can depend on renderer() already being set.
if (FullscreenElementStack::isActiveFullScreenElement(element)) {
newRenderer = RenderFullScreen::wrapRenderer(newRenderer, parentRenderer, element->document());
if (!newRenderer)
return;
}
// Note: Adding newRenderer instead of renderer(). renderer() may be a child of newRenderer.
parentRenderer->addChild(newRenderer, nextRenderer);
}