The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/svg/SVGFELeafFrame.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,107 @@
     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 +// Keep in (case-insensitive) order:
    1.10 +#include "nsFrame.h"
    1.11 +#include "nsGkAtoms.h"
    1.12 +#include "nsSVGEffects.h"
    1.13 +#include "nsSVGFilters.h"
    1.14 +
    1.15 +typedef nsFrame SVGFELeafFrameBase;
    1.16 +
    1.17 +/*
    1.18 + * This frame is used by filter primitive elements that don't
    1.19 + * have special child elements that provide parameters.
    1.20 + */
    1.21 +class SVGFELeafFrame : public SVGFELeafFrameBase
    1.22 +{
    1.23 +  friend nsIFrame*
    1.24 +  NS_NewSVGFELeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
    1.25 +protected:
    1.26 +  SVGFELeafFrame(nsStyleContext* aContext)
    1.27 +    : SVGFELeafFrameBase(aContext)
    1.28 +  {
    1.29 +    AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY);
    1.30 +  }
    1.31 +
    1.32 +public:
    1.33 +  NS_DECL_FRAMEARENA_HELPERS
    1.34 +
    1.35 +#ifdef DEBUG
    1.36 +  virtual void Init(nsIContent* aContent,
    1.37 +                    nsIFrame*   aParent,
    1.38 +                    nsIFrame*   aPrevInFlow) MOZ_OVERRIDE;
    1.39 +#endif
    1.40 +
    1.41 +  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
    1.42 +  {
    1.43 +    return SVGFELeafFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));
    1.44 +  }
    1.45 +
    1.46 +#ifdef DEBUG_FRAME_DUMP
    1.47 +  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
    1.48 +  {
    1.49 +    return MakeFrameName(NS_LITERAL_STRING("SVGFELeaf"), aResult);
    1.50 +  }
    1.51 +#endif
    1.52 +
    1.53 +  /**
    1.54 +   * Get the "type" of the frame
    1.55 +   *
    1.56 +   * @see nsGkAtoms::svgFELeafFrame
    1.57 +   */
    1.58 +  virtual nsIAtom* GetType() const MOZ_OVERRIDE;
    1.59 +
    1.60 +  virtual nsresult AttributeChanged(int32_t  aNameSpaceID,
    1.61 +                                    nsIAtom* aAttribute,
    1.62 +                                    int32_t  aModType) MOZ_OVERRIDE;
    1.63 +
    1.64 +  virtual bool UpdateOverflow() MOZ_OVERRIDE {
    1.65 +    // We don't maintain a visual overflow rect
    1.66 +    return false;
    1.67 +  }
    1.68 +};
    1.69 +
    1.70 +nsIFrame*
    1.71 +NS_NewSVGFELeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
    1.72 +{
    1.73 +  return new (aPresShell) SVGFELeafFrame(aContext);
    1.74 +}
    1.75 +
    1.76 +NS_IMPL_FRAMEARENA_HELPERS(SVGFELeafFrame)
    1.77 +
    1.78 +#ifdef DEBUG
    1.79 +void
    1.80 +SVGFELeafFrame::Init(nsIContent* aContent,
    1.81 +                     nsIFrame* aParent,
    1.82 +                     nsIFrame* aPrevInFlow)
    1.83 +{
    1.84 +  NS_ASSERTION(aContent->IsNodeOfType(nsINode::eFILTER),
    1.85 +               "Trying to construct an SVGFELeafFrame for a "
    1.86 +               "content element that doesn't support the right interfaces");
    1.87 +
    1.88 +  SVGFELeafFrameBase::Init(aContent, aParent, aPrevInFlow);
    1.89 +}
    1.90 +#endif /* DEBUG */
    1.91 +
    1.92 +nsIAtom *
    1.93 +SVGFELeafFrame::GetType() const
    1.94 +{
    1.95 +  return nsGkAtoms::svgFELeafFrame;
    1.96 +}
    1.97 +
    1.98 +nsresult
    1.99 +SVGFELeafFrame::AttributeChanged(int32_t  aNameSpaceID,
   1.100 +                                 nsIAtom* aAttribute,
   1.101 +                                 int32_t  aModType)
   1.102 +{
   1.103 +  nsSVGFE *element = static_cast<nsSVGFE*>(mContent);
   1.104 +  if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
   1.105 +    nsSVGEffects::InvalidateRenderingObservers(this);
   1.106 +  }
   1.107 +
   1.108 +  return SVGFELeafFrameBase::AttributeChanged(aNameSpaceID,
   1.109 +                                                aAttribute, aModType);
   1.110 +}