Esempio n. 1
0
void SVGSVGElement::setupInitialView(const String& fragmentIdentifier, Element* anchorNode)
{
    bool hadUseCurrentView = m_useCurrentView;
    if (fragmentIdentifier.startsWith("xpointer(")) {
        // FIXME: XPointer references are ignored (https://bugs.webkit.org/show_bug.cgi?id=17491)
        setUseCurrentView(false);
    } else if (fragmentIdentifier.startsWith("svgView(")) {
        if (currentView()->parseViewSpec(fragmentIdentifier))
            setUseCurrentView(true);
    } else if (anchorNode && anchorNode->hasTagName(SVGNames::viewTag)) {
        if (SVGViewElement* viewElement = anchorNode->hasTagName(SVGNames::viewTag) ? static_cast<SVGViewElement*>(anchorNode) : 0) {
            SVGElement* element = SVGLocatable::nearestViewportElement(viewElement);
            if (element->hasTagName(SVGNames::svgTag)) {
                SVGSVGElement* svg = static_cast<SVGSVGElement*>(element);
                svg->inheritViewAttributes(viewElement);
                setUseCurrentView(true);
            }
        }
    }

    if (!hadUseCurrentView) {
        if (!m_useCurrentView)
            return;
    } else if (!m_useCurrentView)
        currentView()->setTransform(emptyString());

    // Force a layout, otherwise RenderSVGRoots localToBorderBoxTransform won't be rebuild.
    if (RenderObject* object = renderer())
        RenderSVGResource::markForLayoutAndParentResourceInvalidation(object);

    // FIXME: We need to decide which <svg> to focus on, and zoom to it.
    // FIXME: We need to actually "highlight" the viewTarget(s).
}
Esempio n. 2
0
void SVGSVGElement::setupInitialView(const String& fragmentIdentifier, Element* anchorNode)
{
    RenderObject* renderer = this->renderer();
    SVGViewSpec* view = m_viewSpec.get();
    if (view)
        view->reset();

    bool hadUseCurrentView = m_useCurrentView;
    m_useCurrentView = false;

    if (fragmentIdentifier.startsWith("xpointer(")) {
        // FIXME: XPointer references are ignored (https://bugs.webkit.org/show_bug.cgi?id=17491)
        if (renderer && hadUseCurrentView)
            RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
        return;
    }

    if (fragmentIdentifier.startsWith("svgView(")) {
        if (!view)
            view = currentView(); // Create the SVGViewSpec.

        if (view->parseViewSpec(fragmentIdentifier))
            m_useCurrentView = true;
        else
            view->reset();

        if (renderer && (hadUseCurrentView || m_useCurrentView))
            RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
        return;
    }

    // Spec: If the SVG fragment identifier addresses a ‘view’ element within an SVG document (e.g., MyDrawing.svg#MyView
    // or MyDrawing.svg#xpointer(id('MyView'))) then the closest ancestor ‘svg’ element is displayed in the viewport.
    // Any view specification attributes included on the given ‘view’ element override the corresponding view specification
    // attributes on the closest ancestor ‘svg’ element.
    if (anchorNode && anchorNode->hasTagName(SVGNames::viewTag)) {
        if (SVGViewElement* viewElement = anchorNode->hasTagName(SVGNames::viewTag) ? static_cast<SVGViewElement*>(anchorNode) : 0) {
            SVGElement* element = SVGLocatable::nearestViewportElement(viewElement);
            if (element->hasTagName(SVGNames::svgTag)) {
                SVGSVGElement* svg = static_cast<SVGSVGElement*>(element);
                svg->inheritViewAttributes(viewElement);

                if (RenderObject* renderer = svg->renderer())
                    RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
            }
        }
        return;
    }

    // FIXME: We need to decide which <svg> to focus on, and zoom to it.
    // FIXME: We need to actually "highlight" the viewTarget(s).
}