void
AppendToString(std::stringstream& aStream, const ScrollMetadata& m,
const char* pfx, const char* sfx)
{
aStream << pfx;
AppendToString(aStream, m.GetMetrics(), "{ [metrics=");
AppendToString(aStream, m.GetBackgroundColor(), "] [color=");
if (m.GetScrollParentId() != FrameMetrics::NULL_SCROLL_ID) {
AppendToString(aStream, m.GetScrollParentId(), "] [scrollParent=");
}
if (m.HasScrollClip()) {
AppendToString(aStream, m.ScrollClip().GetClipRect(), "] [clip=");
}
if (m.HasMaskLayer()) {
AppendToString(aStream, m.ScrollClip().GetMaskLayerIndex().value(), "] [mask=");
}
OverscrollBehavior overscrollX = m.GetOverscrollBehavior().mBehaviorX;
OverscrollBehavior overscrollY = m.GetOverscrollBehavior().mBehaviorY;
if (overscrollX == overscrollY && overscrollX != OverscrollBehavior::Auto) {
AppendToString(aStream, overscrollX, "] [overscroll=");
} else {
if (overscrollX != OverscrollBehavior::Auto) {
AppendToString(aStream, overscrollX, "] [overscroll-x=");
}
if (overscrollY != OverscrollBehavior::Auto) {
AppendToString(aStream, overscrollY, "] [overscroll-y=");
}
}
aStream << "] }" << sfx;
}
void
AppendToString(std::stringstream& aStream, const ScrollMetadata& m,
const char* pfx, const char* sfx)
{
aStream << pfx;
AppendToString(aStream, m.GetMetrics(), "{ [metrics=");
AppendToString(aStream, m.GetBackgroundColor(), "] [color=");
if (m.GetScrollParentId() != FrameMetrics::NULL_SCROLL_ID) {
AppendToString(aStream, m.GetScrollParentId(), "] [scrollParent=");
}
if (m.HasScrollClip()) {
AppendToString(aStream, m.ScrollClip().GetClipRect(), "] [clip=");
}
aStream << "] }" << sfx;
}