mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 07:05:24 +00:00
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/* -*- 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 "nsGkAtoms.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsLiteralString.h"
|
|
#include "nsSVGEffects.h"
|
|
#include "nsSVGFilters.h"
|
|
|
|
typedef nsContainerFrame SVGFEContainerFrameBase;
|
|
|
|
/*
|
|
* This frame is used by filter primitive elements that
|
|
* have special child elements that provide parameters.
|
|
*/
|
|
class SVGFEContainerFrame : public SVGFEContainerFrameBase
|
|
{
|
|
friend nsIFrame*
|
|
NS_NewSVGFEContainerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
|
|
protected:
|
|
SVGFEContainerFrame(nsStyleContext* aContext)
|
|
: SVGFEContainerFrameBase(aContext)
|
|
{
|
|
AddStateBits(NS_FRAME_SVG_LAYOUT | NS_STATE_SVG_NONDISPLAY_CHILD);
|
|
}
|
|
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const
|
|
{
|
|
return SVGFEContainerFrameBase::IsFrameOfType(
|
|
aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGContainer));
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const
|
|
{
|
|
return MakeFrameName(NS_LITERAL_STRING("SVGFEContainer"), aResult);
|
|
}
|
|
#endif
|
|
|
|
#ifdef DEBUG
|
|
virtual void Init(nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
|
|
#endif
|
|
/**
|
|
* Get the "type" of the frame
|
|
*
|
|
* @see nsGkAtoms::svgFEContainerFrame
|
|
*/
|
|
virtual nsIAtom* GetType() const;
|
|
|
|
NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType);
|
|
|
|
virtual bool UpdateOverflow() {
|
|
// We don't maintain a visual overflow rect
|
|
return false;
|
|
}
|
|
};
|
|
|
|
nsIFrame*
|
|
NS_NewSVGFEContainerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
{
|
|
return new (aPresShell) SVGFEContainerFrame(aContext);
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(SVGFEContainerFrame)
|
|
|
|
#ifdef DEBUG
|
|
void
|
|
SVGFEContainerFrame::Init(nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIFrame* aPrevInFlow)
|
|
{
|
|
NS_ASSERTION(aContent->IsNodeOfType(nsINode::eFILTER),
|
|
"Trying to construct an SVGFEContainerFrame for a "
|
|
"content element that doesn't support the right interfaces");
|
|
|
|
SVGFEContainerFrameBase::Init(aContent, aParent, aPrevInFlow);
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
nsIAtom *
|
|
SVGFEContainerFrame::GetType() const
|
|
{
|
|
return nsGkAtoms::svgFEContainerFrame;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
SVGFEContainerFrame::AttributeChanged(int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType)
|
|
{
|
|
nsSVGFE *element = static_cast<nsSVGFE*>(mContent);
|
|
if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
|
|
nsSVGEffects::InvalidateRenderingObservers(this);
|
|
}
|
|
|
|
return SVGFEContainerFrameBase::AttributeChanged(aNameSpaceID,
|
|
aAttribute, aModType);
|
|
}
|