1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/svg/nsSVGFilterFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,104 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef __NS_SVGFILTERFRAME_H__
1.10 +#define __NS_SVGFILTERFRAME_H__
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nsFrame.h"
1.14 +#include "nsQueryFrame.h"
1.15 +#include "nsSVGContainerFrame.h"
1.16 +#include "nsSVGUtils.h"
1.17 +
1.18 +class nsIAtom;
1.19 +class nsIContent;
1.20 +class nsIFrame;
1.21 +class nsIPresShell;
1.22 +class nsRenderingContext;
1.23 +class nsStyleContext;
1.24 +class nsSVGFilterPaintCallback;
1.25 +class nsSVGIntegerPair;
1.26 +class nsSVGLength2;
1.27 +
1.28 +struct nsRect;
1.29 +
1.30 +namespace mozilla {
1.31 +namespace dom {
1.32 +class SVGFilterElement;
1.33 +}
1.34 +}
1.35 +
1.36 +typedef nsSVGContainerFrame nsSVGFilterFrameBase;
1.37 +
1.38 +class nsSVGFilterFrame : public nsSVGFilterFrameBase
1.39 +{
1.40 + friend nsIFrame*
1.41 + NS_NewSVGFilterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
1.42 +protected:
1.43 + nsSVGFilterFrame(nsStyleContext* aContext)
1.44 + : nsSVGFilterFrameBase(aContext),
1.45 + mLoopFlag(false),
1.46 + mNoHRefURI(false)
1.47 + {
1.48 + AddStateBits(NS_FRAME_IS_NONDISPLAY);
1.49 + }
1.50 +
1.51 +public:
1.52 + NS_DECL_FRAMEARENA_HELPERS
1.53 +
1.54 + // nsIFrame methods:
1.55 + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
1.56 + const nsRect& aDirtyRect,
1.57 + const nsDisplayListSet& aLists) MOZ_OVERRIDE {}
1.58 +
1.59 + virtual nsresult AttributeChanged(int32_t aNameSpaceID,
1.60 + nsIAtom* aAttribute,
1.61 + int32_t aModType) MOZ_OVERRIDE;
1.62 +
1.63 +#ifdef DEBUG
1.64 + virtual void Init(nsIContent* aContent,
1.65 + nsIFrame* aParent,
1.66 + nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
1.67 +#endif
1.68 +
1.69 + /**
1.70 + * Get the "type" of the frame
1.71 + *
1.72 + * @see nsGkAtoms::svgFilterFrame
1.73 + */
1.74 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.75 +
1.76 +private:
1.77 + // Parse our xlink:href and set up our nsSVGPaintingProperty if we
1.78 + // reference another filter and we don't have a property. Return
1.79 + // the referenced filter's frame if available, null otherwise.
1.80 + class AutoFilterReferencer;
1.81 + friend class nsSVGFilterInstance;
1.82 + nsSVGFilterFrame* GetReferencedFilter();
1.83 + nsSVGFilterFrame* GetReferencedFilterIfNotInUse();
1.84 +
1.85 + // Accessors to lookup filter attributes
1.86 + uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault);
1.87 + uint16_t GetEnumValue(uint32_t aIndex)
1.88 + {
1.89 + return GetEnumValue(aIndex, mContent);
1.90 + }
1.91 + const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault);
1.92 + const nsSVGLength2 *GetLengthValue(uint32_t aIndex)
1.93 + {
1.94 + return GetLengthValue(aIndex, mContent);
1.95 + }
1.96 + const mozilla::dom::SVGFilterElement *GetFilterContent(nsIContent *aDefault);
1.97 + const mozilla::dom::SVGFilterElement *GetFilterContent()
1.98 + {
1.99 + return GetFilterContent(mContent);
1.100 + }
1.101 +
1.102 + // This flag is used to detect loops in xlink:href processing
1.103 + bool mLoopFlag;
1.104 + bool mNoHRefURI;
1.105 +};
1.106 +
1.107 +#endif
