C++ (Cpp) elementInsideRegionNeedsRenderer Examples

Example #1

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);
}

Example #2

File: NodeRenderingContext.cpp Project: IllusionRom-deprecated/android_platform_external_chromium_org_third_party_WebKit

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);
}