зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.7 KiB
C++
90 строки
2.7 KiB
C++
/* -*- 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/. */
|
|
|
|
#ifndef __NS_SVGFILTERFRAME_H__
|
|
#define __NS_SVGFILTERFRAME_H__
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsFrame.h"
|
|
#include "nsQueryFrame.h"
|
|
#include "nsSVGContainerFrame.h"
|
|
#include "nsSVGUtils.h"
|
|
|
|
class nsAtom;
|
|
class nsIContent;
|
|
class nsIFrame;
|
|
class nsIPresShell;
|
|
class nsSVGLength2;
|
|
|
|
struct nsRect;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class SVGFilterElement;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
class nsSVGFilterFrame final : public nsSVGContainerFrame
|
|
{
|
|
friend nsIFrame*
|
|
NS_NewSVGFilterFrame(nsIPresShell* aPresShell, ComputedStyle* aStyle);
|
|
protected:
|
|
explicit nsSVGFilterFrame(ComputedStyle* aStyle)
|
|
: nsSVGContainerFrame(aStyle, kClassID)
|
|
, mLoopFlag(false)
|
|
, mNoHRefURI(false)
|
|
{
|
|
AddStateBits(NS_FRAME_IS_NONDISPLAY);
|
|
}
|
|
|
|
public:
|
|
NS_DECL_FRAMEARENA_HELPERS(nsSVGFilterFrame)
|
|
|
|
// nsIFrame methods:
|
|
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsDisplayListSet& aLists) override {}
|
|
|
|
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
|
|
nsAtom* aAttribute,
|
|
int32_t aModType) override;
|
|
|
|
#ifdef DEBUG
|
|
virtual void Init(nsIContent* aContent,
|
|
nsContainerFrame* aParent,
|
|
nsIFrame* aPrevInFlow) override;
|
|
#endif
|
|
|
|
private:
|
|
// Parse our xlink:href and set up our nsSVGPaintingProperty if we
|
|
// reference another filter and we don't have a property. Return
|
|
// the referenced filter's frame if available, null otherwise.
|
|
friend class nsSVGFilterInstance;
|
|
nsSVGFilterFrame* GetReferencedFilter();
|
|
|
|
// Accessors to lookup filter attributes
|
|
uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault);
|
|
uint16_t GetEnumValue(uint32_t aIndex)
|
|
{
|
|
return GetEnumValue(aIndex, mContent);
|
|
}
|
|
const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault);
|
|
const nsSVGLength2 *GetLengthValue(uint32_t aIndex)
|
|
{
|
|
return GetLengthValue(aIndex, mContent);
|
|
}
|
|
const mozilla::dom::SVGFilterElement *GetFilterContent(nsIContent *aDefault);
|
|
const mozilla::dom::SVGFilterElement *GetFilterContent()
|
|
{
|
|
return GetFilterContent(mContent);
|
|
}
|
|
|
|
// This flag is used to detect loops in xlink:href processing
|
|
bool mLoopFlag;
|
|
bool mNoHRefURI;
|
|
};
|
|
|
|
#endif
|