void LayoutSVGForeignObject::layout() {
ASSERT(needsLayout());
SVGForeignObjectElement* foreign = toSVGForeignObjectElement(node());
bool updateCachedBoundariesInParents = false;
if (m_needsTransformUpdate) {
m_localTransform = foreign->calculateAnimatedLocalTransform();
m_needsTransformUpdate = false;
updateCachedBoundariesInParents = true;
}
FloatRect oldViewport = m_viewport;
// Cache viewport boundaries
SVGLengthContext lengthContext(foreign);
FloatPoint viewportLocation(
lengthContext.valueForLength(styleRef().svgStyle().x(), styleRef(),
SVGLengthMode::Width),
lengthContext.valueForLength(styleRef().svgStyle().y(), styleRef(),
SVGLengthMode::Height));
m_viewport = FloatRect(
viewportLocation,
FloatSize(lengthContext.valueForLength(styleRef().width(), styleRef(),
SVGLengthMode::Width),
lengthContext.valueForLength(styleRef().height(), styleRef(),
SVGLengthMode::Height)));
if (!updateCachedBoundariesInParents)
updateCachedBoundariesInParents = oldViewport != m_viewport;
// Set box origin to the foreignObject x/y translation, so positioned objects
// in XHTML content get correct positions. A regular LayoutBoxModelObject
// would pull this information from ComputedStyle - in SVG those properties
// are ignored for non <svg> elements, so we mimic what happens when
// specifying them through CSS.
// FIXME: Investigate in location rounding issues - only affects
// LayoutSVGForeignObject & LayoutSVGText
setLocation(roundedIntPoint(viewportLocation));
bool layoutChanged = everHadLayout() && selfNeedsLayout();
LayoutBlock::layout();
ASSERT(!needsLayout());
// If our bounds changed, notify the parents.
if (updateCachedBoundariesInParents)
LayoutSVGBlock::setNeedsBoundariesUpdate();
// Invalidate all resources of this client if our layout changed.
if (layoutChanged)
SVGResourcesCache::clientLayoutChanged(this);
}
void RenderSVGForeignObject::layout()
{
ASSERT(needsLayout());
ASSERT(!view()->layoutStateEnabled()); // RenderSVGRoot disables layoutState for the SVG rendering tree.
LayoutRectRecorder recorder(*this);
LayoutRepainter repainter(*this, SVGRenderSupport::checkForSVGRepaintDuringLayout(this));
SVGForeignObjectElement* foreign = toSVGForeignObjectElement(node());
bool updateCachedBoundariesInParents = false;
if (m_needsTransformUpdate) {
m_localTransform = foreign->animatedLocalTransform();
m_needsTransformUpdate = false;
updateCachedBoundariesInParents = true;
}
FloatRect oldViewport = m_viewport;
// Cache viewport boundaries
SVGLengthContext lengthContext(foreign);
FloatPoint viewportLocation(foreign->x()->currentValue()->value(lengthContext), foreign->y()->currentValue()->value(lengthContext));
m_viewport = FloatRect(viewportLocation, FloatSize(foreign->width()->currentValue()->value(lengthContext), foreign->height()->currentValue()->value(lengthContext)));
if (!updateCachedBoundariesInParents)
updateCachedBoundariesInParents = oldViewport != m_viewport;
// Set box origin to the foreignObject x/y translation, so positioned objects in XHTML content get correct
// positions. A regular RenderBoxModelObject would pull this information from RenderStyle - in SVG those
// properties are ignored for non <svg> elements, so we mimic what happens when specifying them through CSS.
// FIXME: Investigate in location rounding issues - only affects RenderSVGForeignObject & RenderSVGText
setLocation(roundedIntPoint(viewportLocation));
bool layoutChanged = everHadLayout() && selfNeedsLayout();
RenderBlock::layout();
ASSERT(!needsLayout());
// If our bounds changed, notify the parents.
if (updateCachedBoundariesInParents)
RenderSVGBlock::setNeedsBoundariesUpdate();
// Invalidate all resources of this client if our layout changed.
if (layoutChanged)
SVGResourcesCache::clientLayoutChanged(this);
repainter.repaintAfterLayout();
}
SVGForeignObjectElement& RenderSVGForeignObject::foreignObjectElement() const
{
return toSVGForeignObjectElement(RenderSVGBlock::graphicsElement());
}
