RenderSVGGradientStop.cpp [plain text]
#include "config.h"
#include "RenderSVGGradientStop.h"
#include "RenderSVGResourceContainer.h"
#include "SVGGradientElement.h"
#include "SVGNames.h"
#include "SVGResourcesCache.h"
#include "SVGStopElement.h"
#include <wtf/StackStats.h>
namespace WebCore {
using namespace SVGNames;
RenderSVGGradientStop::RenderSVGGradientStop(SVGStopElement& element, RenderStyle&& style)
: RenderElement(element, WTFMove(style), 0)
{
}
RenderSVGGradientStop::~RenderSVGGradientStop()
{
}
void RenderSVGGradientStop::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderElement::styleDidChange(diff, oldStyle);
if (diff == StyleDifferenceEqual)
return;
const auto* gradient = gradientElement();
if (!gradient)
return;
RenderElement* renderer = gradient->renderer();
if (!renderer)
return;
downcast<RenderSVGResourceContainer>(*renderer).removeAllClientsFromCache();
}
void RenderSVGGradientStop::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
clearNeedsLayout();
}
SVGGradientElement* RenderSVGGradientStop::gradientElement()
{
if (is<SVGGradientElement>(element().parentElement()))
return downcast<SVGGradientElement>(element().parentElement());
return nullptr;
}
}