IntRect LayoutScrollbar::trackPieceRectWithMargins(ScrollbarPart partType, const IntRect& oldRect) const
{
LayoutScrollbarPart* partLayoutObject = m_parts.get(partType);
if (!partLayoutObject)
return oldRect;
partLayoutObject->layout();
IntRect rect = oldRect;
if (orientation() == HorizontalScrollbar) {
rect.setX(rect.x() + partLayoutObject->marginLeft());
rect.setWidth(rect.width() - partLayoutObject->marginWidth());
} else {
rect.setY(rect.y() + partLayoutObject->marginTop());
rect.setHeight(rect.height() - partLayoutObject->marginHeight());
}
return rect;
}
IntRect LayoutScrollbar::trackRect(int startLength, int endLength) const {
LayoutScrollbarPart* part = m_parts.get(TrackBGPart);
if (part)
part->layout();
if (orientation() == HorizontalScrollbar) {
int marginLeft = part ? part->marginLeft().toInt() : 0;
int marginRight = part ? part->marginRight().toInt() : 0;
startLength += marginLeft;
endLength += marginRight;
int totalLength = startLength + endLength;
return IntRect(x() + startLength, y(), width() - totalLength, height());
}
int marginTop = part ? part->marginTop().toInt() : 0;
int marginBottom = part ? part->marginBottom().toInt() : 0;
startLength += marginTop;
endLength += marginBottom;
int totalLength = startLength + endLength;
return IntRect(x(), y() + startLength, width(), height() - totalLength);
}