// Helper to regenerate our path representation & its list of vertices
void
SVGMotionSMILAnimationFunction::
RebuildPathAndVertices(const nsIContent* aTargetElement)
{
NS_ABORT_IF_FALSE(mIsPathStale, "rebuilding path when it isn't stale");
// Clear stale data
mPath = nullptr;
mPathVertices.Clear();
mPathSourceType = ePathSourceType_None;
// Do we have a mpath child? if so, it trumps everything. Otherwise, we look
// through our list of path-defining attributes, in order of priority.
SVGMPathElement* firstMpathChild = GetFirstMPathChild(mAnimationElement);
if (firstMpathChild) {
RebuildPathAndVerticesFromMpathElem(firstMpathChild);
mValueNeedsReparsingEverySample = false;
} else if (HasAttr(nsGkAtoms::path)) {
RebuildPathAndVerticesFromPathAttr();
mValueNeedsReparsingEverySample = false;
} else {
// Get path & vertices from basic SMIL attrs: from/by/to/values
RebuildPathAndVerticesFromBasicAttrs(aTargetElement);
mValueNeedsReparsingEverySample = true;
}
mIsPathStale = false;
}
bool SVGMotionSMILAnimationFunction::IsToAnimation() const {
// Rely on inherited method, but not if we have an <mpath> child or a |path|
// attribute, because they'll override any 'to' attr we might have.
// NOTE: We can't rely on mPathSourceType, because it might not have been
// set to a useful value yet (or it might be stale).
return !GetFirstMPathChild(mAnimationElement) && !HasAttr(nsGkAtoms::path) &&
SMILAnimationFunction::IsToAnimation();
}
