void SVGSVGElement::setupInitialView(const String& fragmentIdentifier, Element* anchorNode)
{
LayoutObject* layoutObject = this->layoutObject();
SVGViewSpec* view = m_viewSpec.get();
if (view)
view->reset();
bool hadUseCurrentView = m_useCurrentView;
m_useCurrentView = false;
if (fragmentIdentifier.startsWith("svgView(")) {
if (!view)
view = currentView(); // Create the SVGViewSpec.
view->inheritViewAttributesFromElement(this);
if (view->parseViewSpec(fragmentIdentifier)) {
UseCounter::count(document(), UseCounter::SVGSVGElementFragmentSVGView);
m_useCurrentView = true;
} else {
view->reset();
}
if (layoutObject && (hadUseCurrentView || m_useCurrentView))
markForLayoutAndParentResourceInvalidation(layoutObject);
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.
// TODO(ed): The spec text above is a bit unclear.
// Should the transform from outermost svg to nested svg be applied to "display"
// the inner svg in the viewport, then let the view element override the inner
// svg's view specification attributes. Should it fill/override the outer viewport?
if (isSVGViewElement(anchorNode)) {
SVGViewElement& viewElement = toSVGViewElement(*anchorNode);
if (SVGSVGElement* svg = viewElement.ownerSVGElement()) {
svg->inheritViewAttributes(&viewElement);
if (LayoutObject* layoutObject = svg->layoutObject())
markForLayoutAndParentResourceInvalidation(layoutObject);
return;
}
}
// If we previously had a view and didn't get a new one, we need to
// layout again.
if (layoutObject && hadUseCurrentView)
markForLayoutAndParentResourceInvalidation(layoutObject);
// FIXME: We need to decide which <svg> to focus on, and zoom to it.
// FIXME: We need to actually "highlight" the viewTarget(s).
}
void SVGSVGElement::setupInitialView(const String& fragmentIdentifier, Element* anchorNode)
{
auto 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 && isSVGViewElement(anchorNode)) {
if (SVGViewElement* viewElement = toSVGViewElement(anchorNode)) {
SVGElement* element = SVGLocatable::nearestViewportElement(viewElement);
if (element->hasTagName(SVGNames::svgTag)) {
SVGSVGElement* svg = static_cast<SVGSVGElement*>(element);
svg->inheritViewAttributes(viewElement);
if (RenderElement* 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).
}
void SVGSVGElement::setupInitialView(const String& fragmentIdentifier,
Element* anchorNode) {
if (fragmentIdentifier.startsWith("svgView(")) {
SVGViewSpec* viewSpec = SVGViewSpec::createForElement(*this);
if (viewSpec->parseViewSpec(fragmentIdentifier)) {
UseCounter::count(document(), UseCounter::SVGSVGElementFragmentSVGView);
setViewSpec(viewSpec);
return;
}
}
setViewSpec(nullptr);
if (!isSVGViewElement(anchorNode))
return;
SVGViewElement& viewElement = toSVGViewElement(*anchorNode);
// Spec: If the SVG fragment identifier addresses a 'view' element
// within an SVG document (e.g., MyDrawing.svg#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.
// TODO(ed): The spec text above is a bit unclear.
// Should the transform from outermost svg to nested svg be applied to
// "display" the inner svg in the viewport, then let the view element
// override the inner svg's view specification attributes. Should it
// fill/override the outer viewport?
SVGSVGElement* svg = viewElement.ownerSVGElement();
if (!svg)
return;
SVGViewSpec* viewSpec = SVGViewSpec::createForElement(*svg);
viewSpec->inheritViewAttributesFromElement(viewElement);
UseCounter::count(svg->document(),
UseCounter::SVGSVGElementFragmentSVGViewElement);
svg->setViewSpec(viewSpec);
}
