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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Keep in (case-insensitive) order:
#include "mozilla/dom/SVGFilters.h"
#include "mozilla/PresShell.h"
#include "mozilla/SVGObserverUtils.h"
#include "nsContainerFrame.h"
#include "nsIFrame.h"
#include "nsGkAtoms.h"
nsIFrame* NS_NewSVGFEUnstyledLeafFrame(mozilla::PresShell* aPresShell,
mozilla::ComputedStyle* aStyle);
namespace mozilla {
class SVGFEUnstyledLeafFrame final : public nsIFrame {
friend nsIFrame* ::NS_NewSVGFEUnstyledLeafFrame(
mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
protected:
explicit SVGFEUnstyledLeafFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsIFrame(aStyle, aPresContext, kClassID) {
AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY);
}
public:
NS_DECL_FRAMEARENA_HELPERS(SVGFEUnstyledLeafFrame)
void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayListSet& aLists) override {}
#ifdef DEBUG_FRAME_DUMP
nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(u"SVGFEUnstyledLeaf"_ns, aResult);
}
#endif
nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
int32_t aModType) override;
bool ComputeCustomOverflow(OverflowAreas& aOverflowAreas) override {
// We don't maintain a ink overflow rect
return false;
}
};
} // namespace mozilla
nsIFrame* NS_NewSVGFEUnstyledLeafFrame(mozilla::PresShell* aPresShell,
mozilla::ComputedStyle* aStyle) {
return new (aPresShell)
mozilla::SVGFEUnstyledLeafFrame(aStyle, aPresShell->GetPresContext());
}
namespace mozilla {
NS_IMPL_FRAMEARENA_HELPERS(SVGFEUnstyledLeafFrame)
nsresult SVGFEUnstyledLeafFrame::AttributeChanged(int32_t aNameSpaceID,
nsAtom* aAttribute,
int32_t aModType) {
auto* element =
static_cast<mozilla::dom::SVGFilterPrimitiveChildElement*>(GetContent());
if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
MOZ_ASSERT(
GetParent()->GetParent()->IsSVGFilterFrame(),
"Observers observe the filter, so that's what we must invalidate");
SVGObserverUtils::InvalidateRenderingObservers(GetParent()->GetParent());
}
return nsIFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
}
} // namespace mozilla
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