SVGUseElement::~SVGUseElement()
{
    setDocumentResource(0);
#if !ENABLE(OILPAN)
    clearResourceReferences();
#endif
}

void SVGMPathElement::buildPendingResource()
{
    clearResourceReferences();
    if (!inDocument())
        return;

    String id;
    Element* target = SVGURIReference::targetElementFromIRIString(href(), document(), &id);
    if (!target) {
        // Do not register as pending if we are already pending this resource.
        if (document().accessSVGExtensions()->isPendingResource(this, id))
            return;

        if (!id.isEmpty()) {
            document().accessSVGExtensions()->addPendingResource(id, this);
            ASSERT(hasPendingResources());
        }
    } else if (target->isSVGElement()) {
        // Register us with the target in the dependencies map. Any change of hrefElement
        // that leads to relayout/repainting now informs us, so we can react to it.
        document().accessSVGExtensions()->addElementReferencingTarget(this, toSVGElement(target));
    }

    targetPathChanged();
}

void SVGMPathElement::removedFrom(ContainerNode* rootParent)
{
    SVGElement::removedFrom(rootParent);
    notifyParentOfPathChange(rootParent);
    if (rootParent->inDocument())
        clearResourceReferences();
}

void SVGFEImageElement::buildPendingResource()
{
    clearResourceReferences();
    if (!inDocument())
        return;

    String id;
    Element* target = SVGURIReference::targetElementFromIRIString(href(), document(), &id);
    if (!target) {
        if (hasPendingResources())
            return;

        if (id.isEmpty())
            requestImageResource();
        else {
            document()->accessSVGExtensions()->addPendingResource(id, this);
            ASSERT(hasPendingResources());
        }
    } else if (target->isSVGElement()) {
        // Register us with the target in the dependencies map. Any change of hrefElement
        // that leads to relayout/repainting now informs us, so we can react to it.
        document()->accessSVGExtensions()->addElementReferencingTarget(this, static_cast<SVGElement*>(target));
    }

    invalidate();
}

void SVGSMILElement::removedFrom(ContainerNode& rootParent)
{
    if (rootParent.inDocument()) {
        clearResourceReferences();
        disconnectConditions();
        setTargetElement(0);
        setAttributeName(anyQName());
        animationAttributeChanged();
        m_timeContainer = 0;
    }

    SVGElement::removedFrom(rootParent);
}

void SVGFEImageElement::buildPendingResource()
{
    clearResourceReferences();
    if (!inDocument())
        return;

    String id;
    Element* target = SVGURIReference::targetElementFromIRIString(href(), document(), &id);
    if (!target) {
        if (hasPendingResources())
            return;

        if (id.isEmpty())
            requestImageResource();
        else {
            document()->accessSVGExtensions()->addPendingResource(id, this);
            ASSERT(hasPendingResources());
        }
    }

    invalidate();
}

void SVGFEImageElement::buildPendingResource()
{
    clearResourceReferences();
    if (!inDocument())
        return;

    AtomicString id;
    Element* target = SVGURIReference::targetElementFromIRIString(hrefString(), treeScope(), &id);
    if (!target) {
        if (id.isEmpty()) {
            fetchImageResource();
        } else {
            document().accessSVGExtensions().addPendingResource(id, this);
            ASSERT(hasPendingResources());
        }
    } else if (target->isSVGElement()) {
        // Register us with the target in the dependencies map. Any change of hrefElement
        // that leads to relayout/repainting now informs us, so we can react to it.
        addReferenceTo(toSVGElement(target));
    }

    invalidate();
}

void SVGTextPathElement::removedFrom(ContainerNode& rootParent)
{
    SVGTextContentElement::removedFrom(rootParent);
    if (rootParent.inDocument())
        clearResourceReferences();
}

SVGUseElement::~SVGUseElement()
{
    setDocumentResource(0);

    clearResourceReferences();
}