void SVGResourcesCache::clientStyleChanged(RenderObject* renderer, StyleDifference diff, const RenderStyle* newStyle)
{
ASSERT(renderer);
if (diff == StyleDifferenceEqual || !renderer->parent())
return;
// In this case the proper SVGFE*Element will decide whether the modified CSS properties require a relayout or repaint.
if (renderer->isSVGResourceFilterPrimitive() && (diff == StyleDifferenceRepaint || diff == StyleDifferenceRepaintIfText))
return;
// Dynamic changes of CSS properties like 'clip-path' may require us to recompute the associated resources for a renderer.
// FIXME: Avoid passing in a useless StyleDifference, but instead compare oldStyle/newStyle to see which resources changed
// to be able to selectively rebuild individual resources, instead of all of them.
if (rendererCanHaveResources(renderer)) {
SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer);
cache->removeResourcesFromRenderObject(renderer);
cache->addResourcesFromRenderObject(renderer, newStyle);
}
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, false);
// FIXME: This doesn't look right, we often go through here in styleDidChange which means
// we're changing the needsStyleRecalc bits in the middle of recalcStyle on ourself which
// makes no sense. It's also not clear why we'd go through here for non-SVG elements.
if (renderer->node() && !renderer->node()->isSVGElement())
renderer->node()->setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRenderer);
}
void SVGResourcesCache::clientWillBeRemovedFromTree(RenderObject* renderer)
{
if (!renderer->node())
return;
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, false);
if (!rendererCanHaveResources(renderer))
return;
SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer);
cache->removeResourcesFromRenderObject(renderer);
}
void SVGResourcesCache::clientWasAddedToTree(RenderObject* renderer, const RenderStyle* newStyle)
{
if (!renderer->node())
return;
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, false);
if (!rendererCanHaveResources(renderer))
return;
SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer);
cache->addResourcesFromRenderObject(renderer, newStyle);
}
void SVGResourcesCache::clientWillBeRemovedFromTree(RenderObject& renderer)
{
if (renderer.isAnonymous())
return;
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, false);
if (!rendererCanHaveResources(renderer))
return;
RenderElement& elementRenderer = toRenderElement(renderer);
SVGResourcesCache* cache = resourcesCacheFromRenderObject(elementRenderer);
cache->removeResourcesFromRenderer(elementRenderer);
}
void SVGResourcesCache::clientStyleChanged(RenderElement& renderer, StyleDifference diff, const RenderStyle& newStyle)
{
if (diff == StyleDifferenceEqual || !renderer.parent())
return;
// In this case the proper SVGFE*Element will decide whether the modified CSS properties require a relayout or repaint.
if (renderer.isSVGResourceFilterPrimitive() && (diff == StyleDifferenceRepaint || diff == StyleDifferenceRepaintIfTextOrBorderOrOutline))
return;
// Dynamic changes of CSS properties like 'clip-path' may require us to recompute the associated resources for a renderer.
// FIXME: Avoid passing in a useless StyleDifference, but instead compare oldStyle/newStyle to see which resources changed
// to be able to selectively rebuild individual resources, instead of all of them.
if (rendererCanHaveResources(renderer)) {
SVGResourcesCache* cache = resourcesCacheFromRenderObject(renderer);
cache->removeResourcesFromRenderer(renderer);
cache->addResourcesFromRenderer(renderer, newStyle);
}
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer, false);
if (renderer.element() && !renderer.element()->isSVGElement())
renderer.element()->setNeedsStyleRecalc(SyntheticStyleChange);
}
