bool SVGImage::hasRelativeHeight() const
{
if (!m_page)
return false;
Frame* frame = m_page->mainFrame();
SVGSVGElement* rootElement = toSVGDocument(frame->document())->rootElement();
if (!rootElement)
return false;
return rootElement->intrinsicHeight().isPercent();
}
RenderBox* SVGImage::embeddedContentBox() const
{
if (!m_page)
return 0;
Frame* frame = m_page->mainFrame();
SVGSVGElement* rootElement = toSVGDocument(frame->document())->rootElement();
if (!rootElement)
return 0;
return toRenderBox(rootElement->renderer());
}
// FIXME: support catchUpIfNecessary.
void SVGImage::startAnimation(CatchUpAnimation)
{
if (!m_page)
return;
SVGSVGElement* rootElement = toSVGDocument(m_page->mainFrame().document())->rootElement();
if (!rootElement)
return;
rootElement->unpauseAnimations();
rootElement->setCurrentTime(0);
}
void SVGImage::stopAnimation()
{
if (!m_page)
return;
Frame* frame = m_page->mainFrame();
SVGSVGElement* rootElement = toSVGDocument(frame->document())->rootElement();
if (!rootElement)
return;
rootElement->pauseAnimations();
}
bool SVGImage::hasAnimations() const
{
if (!m_page)
return false;
LocalFrame* frame = m_page->mainFrame();
SVGSVGElement* rootElement = toSVGDocument(frame->document())->rootElement();
if (!rootElement)
return false;
return rootElement->timeContainer()->hasAnimations() || frame->document()->timeline().hasPendingUpdates();
}
// FIXME: support catchUpIfNecessary.
void SVGImage::startAnimation(bool /* catchUpIfNecessary */)
{
if (!m_page)
return;
Frame* frame = m_page->mainFrame();
SVGSVGElement* rootElement = toSVGDocument(frame->document())->rootElement();
if (!rootElement)
return;
rootElement->unpauseAnimations();
rootElement->setCurrentTime(0);
}
v8::Handle<v8::Object> wrap(Document* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
ASSERT(impl);
if (impl->isHTMLDocument())
return wrap(toHTMLDocument(impl), creationContext, isolate);
if (impl->isSVGDocument())
return wrap(toSVGDocument(impl), creationContext, isolate);
v8::Handle<v8::Object> wrapper = V8Document::createWrapper(impl, creationContext, isolate);
if (wrapper.IsEmpty())
return wrapper;
if (!isolatedWorldForEnteredContext()) {
if (Frame* frame = impl->frame())
frame->script()->windowShell(mainThreadNormalWorld())->updateDocumentWrapper(wrapper);
}
return wrapper;
}
void SVGImage::setContainerSize(const FloatSize& size)
{
if (!m_page || !usesContainerSize())
return;
SVGSVGElement* rootElement = toSVGDocument(m_page->mainFrame().document())->rootElement();
if (!rootElement)
return;
RenderSVGRoot* renderer = toRenderSVGRoot(rootElement->renderer());
if (!renderer)
return;
FrameView* view = frameView();
view->resize(this->containerSize());
renderer->setContainerSize(IntSize(size));
}
bool SVGImage::hasSingleSecurityOrigin() const
{
if (!m_page)
return true;
SVGSVGElement* rootElement = toSVGDocument(m_page->mainFrame().document())->rootElement();
if (!rootElement)
return true;
// Don't allow foreignObject elements since they can leak information with arbitrary HTML (like spellcheck or control theme).
if (descendantsOfType<SVGForeignObjectElement>(*rootElement).first())
return false;
// Because SVG image rendering disallows external resources and links,
// these images effectively are restricted to a single security origin.
return true;
}
void SVGImage::computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
{
if (!m_page)
return;
SVGSVGElement* rootElement = toSVGDocument(m_page->mainFrame().document())->rootElement();
if (!rootElement)
return;
intrinsicWidth = rootElement->intrinsicWidth();
intrinsicHeight = rootElement->intrinsicHeight();
if (rootElement->preserveAspectRatio().align() == SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_NONE)
return;
intrinsicRatio = rootElement->viewBox().size();
if (intrinsicRatio.isEmpty() && intrinsicWidth.isFixed() && intrinsicHeight.isFixed())
intrinsicRatio = FloatSize(floatValueForLength(intrinsicWidth, 0), floatValueForLength(intrinsicHeight, 0));
}