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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsContainerFrame.h"
#include "nsFrame.h"
#include "nsGkAtoms.h"
#include "nsSVGEffects.h"
#include "nsSVGFilters.h"
class SVGFEUnstyledLeafFrame : public nsFrame
{
friend nsIFrame*
NS_NewSVGFEUnstyledLeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
explicit SVGFEUnstyledLeafFrame(nsStyleContext* aContext)
: nsFrame(aContext)
{
AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY);
}
public:
NS_DECL_FRAMEARENA_HELPERS
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override {}
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return nsFrame::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));
}
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override
{
return MakeFrameName(NS_LITERAL_STRING("SVGFEUnstyledLeaf"), aResult);
}
#endif
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgFEUnstyledLeafFrame
*/
virtual nsIAtom* GetType() const override;
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
virtual bool ComputeCustomOverflow(nsOverflowAreas& aOverflowAreas) override {
// We don't maintain a visual overflow rect
return false;
}
};
nsIFrame*
NS_NewSVGFEUnstyledLeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
return new (aPresShell) SVGFEUnstyledLeafFrame(aContext);
}
NS_IMPL_FRAMEARENA_HELPERS(SVGFEUnstyledLeafFrame)
nsIAtom *
SVGFEUnstyledLeafFrame::GetType() const
{
return nsGkAtoms::svgFEUnstyledLeafFrame;
}
nsresult
SVGFEUnstyledLeafFrame::AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType)
{
SVGFEUnstyledElement *element = static_cast<SVGFEUnstyledElement*>(mContent);
if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
MOZ_ASSERT(GetParent()->GetParent()->GetType() == nsGkAtoms::svgFilterFrame,
"Observers observe the filter, so that's what we must invalidate");
nsSVGEffects::InvalidateDirectRenderingObservers(GetParent()->GetParent());
}
return nsFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
}
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