void
nsSVGOuterSVGFrame::Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow)
{
NS_ASSERTION(aContent->IsSVG(nsGkAtoms::svg),
"Content is not an SVG 'svg' element!");
AddStateBits(NS_STATE_IS_OUTER_SVG |
NS_FRAME_FONT_INFLATION_CONTAINER |
NS_FRAME_FONT_INFLATION_FLOW_ROOT);
// Check for conditional processing attributes here rather than in
// nsCSSFrameConstructor::FindSVGData because we want to avoid
// simply giving failing outer <svg> elements an nsSVGContainerFrame.
// We don't create other SVG frames if PassesConditionalProcessingTests
// returns false, but since we do create nsSVGOuterSVGFrame frames we
// prevent them from painting by [ab]use NS_FRAME_IS_NONDISPLAY. The
// frame will be recreated via an nsChangeHint_ReconstructFrame restyle if
// the value returned by PassesConditionalProcessingTests changes.
SVGSVGElement *svg = static_cast<SVGSVGElement*>(aContent);
if (!svg->PassesConditionalProcessingTests()) {
AddStateBits(NS_FRAME_IS_NONDISPLAY);
}
nsSVGOuterSVGFrameBase::Init(aContent, aParent, aPrevInFlow);
nsIDocument* doc = mContent->GetCurrentDoc();
if (doc) {
// we only care about our content's zoom and pan values if it's the root element
if (doc->GetRootElement() == mContent) {
mIsRootContent = true;
}
}
}
void
nsSVGOuterSVGFrame::Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow)
{
NS_ASSERTION(aContent->IsSVGElement(nsGkAtoms::svg),
"Content is not an SVG 'svg' element!");
AddStateBits(NS_STATE_IS_OUTER_SVG |
NS_FRAME_FONT_INFLATION_CONTAINER |
NS_FRAME_FONT_INFLATION_FLOW_ROOT);
// Check for conditional processing attributes here rather than in
// nsCSSFrameConstructor::FindSVGData because we want to avoid
// simply giving failing outer <svg> elements an nsSVGContainerFrame.
// We don't create other SVG frames if PassesConditionalProcessingTests
// returns false, but since we do create nsSVGOuterSVGFrame frames we
// prevent them from painting by [ab]use NS_FRAME_IS_NONDISPLAY. The
// frame will be recreated via an nsChangeHint_ReconstructFrame restyle if
// the value returned by PassesConditionalProcessingTests changes.
SVGSVGElement *svg = static_cast<SVGSVGElement*>(aContent);
if (!svg->PassesConditionalProcessingTests()) {
AddStateBits(NS_FRAME_IS_NONDISPLAY);
}
nsSVGOuterSVGFrameBase::Init(aContent, aParent, aPrevInFlow);
nsIDocument* doc = mContent->GetCurrentDoc();
if (doc) {
// we only care about our content's zoom and pan values if it's the root element
if (doc->GetRootElement() == mContent) {
mIsRootContent = true;
nsIFrame* embeddingFrame;
if (IsRootOfReplacedElementSubDoc(&embeddingFrame) && embeddingFrame) {
if (MOZ_UNLIKELY(!embeddingFrame->HasAllStateBits(NS_FRAME_IS_DIRTY)) &&
DependsOnIntrinsicSize(embeddingFrame)) {
// Looks like this document is loading after the embedding element
// has had its first reflow, and that its size depends on our
// intrinsic size. We need it to resize itself to use our (now
// available) intrinsic size:
embeddingFrame->PresContext()->PresShell()->
FrameNeedsReflow(embeddingFrame, nsIPresShell::eStyleChange, NS_FRAME_IS_DIRTY);
}
}
}
}
}