michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef __NS_SVGFILTERFRAME_H__
michael@0: #define __NS_SVGFILTERFRAME_H__
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsFrame.h"
michael@0: #include "nsQueryFrame.h"
michael@0: #include "nsSVGContainerFrame.h"
michael@0: #include "nsSVGUtils.h"
michael@0: 
michael@0: class nsIAtom;
michael@0: class nsIContent;
michael@0: class nsIFrame;
michael@0: class nsIPresShell;
michael@0: class nsRenderingContext;
michael@0: class nsStyleContext;
michael@0: class nsSVGFilterPaintCallback;
michael@0: class nsSVGIntegerPair;
michael@0: class nsSVGLength2;
michael@0: 
michael@0: struct nsRect;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: class SVGFilterElement;
michael@0: }
michael@0: }
michael@0: 
michael@0: typedef nsSVGContainerFrame nsSVGFilterFrameBase;
michael@0: 
michael@0: class nsSVGFilterFrame : public nsSVGFilterFrameBase
michael@0: {
michael@0:   friend nsIFrame*
michael@0:   NS_NewSVGFilterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0: protected:
michael@0:   nsSVGFilterFrame(nsStyleContext* aContext)
michael@0:     : nsSVGFilterFrameBase(aContext),
michael@0:       mLoopFlag(false),
michael@0:       mNoHRefURI(false)
michael@0:   {
michael@0:     AddStateBits(NS_FRAME_IS_NONDISPLAY);
michael@0:   }
michael@0: 
michael@0: public:
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   // nsIFrame methods:
michael@0:   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
michael@0:                                 const nsRect&           aDirtyRect,
michael@0:                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE {}
michael@0: 
michael@0:   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
michael@0:                                     nsIAtom*        aAttribute,
michael@0:                                     int32_t         aModType) MOZ_OVERRIDE;
michael@0: 
michael@0: #ifdef DEBUG
michael@0:   virtual void Init(nsIContent*      aContent,
michael@0:                     nsIFrame*        aParent,
michael@0:                     nsIFrame*        aPrevInFlow) MOZ_OVERRIDE;
michael@0: #endif
michael@0: 
michael@0:   /**
michael@0:    * Get the "type" of the frame
michael@0:    *
michael@0:    * @see nsGkAtoms::svgFilterFrame
michael@0:    */
michael@0:   virtual nsIAtom* GetType() const MOZ_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:   // Parse our xlink:href and set up our nsSVGPaintingProperty if we
michael@0:   // reference another filter and we don't have a property. Return
michael@0:   // the referenced filter's frame if available, null otherwise.
michael@0:   class AutoFilterReferencer;
michael@0:   friend class nsSVGFilterInstance;
michael@0:   nsSVGFilterFrame* GetReferencedFilter();
michael@0:   nsSVGFilterFrame* GetReferencedFilterIfNotInUse();
michael@0: 
michael@0:   // Accessors to lookup filter attributes
michael@0:   uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault);
michael@0:   uint16_t GetEnumValue(uint32_t aIndex)
michael@0:   {
michael@0:     return GetEnumValue(aIndex, mContent);
michael@0:   }
michael@0:   const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault);
michael@0:   const nsSVGLength2 *GetLengthValue(uint32_t aIndex)
michael@0:   {
michael@0:     return GetLengthValue(aIndex, mContent);
michael@0:   }
michael@0:   const mozilla::dom::SVGFilterElement *GetFilterContent(nsIContent *aDefault);
michael@0:   const mozilla::dom::SVGFilterElement *GetFilterContent()
michael@0:   {
michael@0:     return GetFilterContent(mContent);
michael@0:   }
michael@0: 
michael@0:   // This flag is used to detect loops in xlink:href processing
michael@0:   bool                              mLoopFlag;
michael@0:   bool                              mNoHRefURI;
michael@0: };
michael@0: 
michael@0: #endif