The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/svg/SVGFEContainerFrame.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,109 @@
     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 "nsContainerFrame.h"
    1.11 +#include "nsGkAtoms.h"
    1.12 +#include "nsIFrame.h"
    1.13 +#include "nsLiteralString.h"
    1.14 +#include "nsSVGEffects.h"
    1.15 +#include "nsSVGFilters.h"
    1.16 +
    1.17 +typedef nsContainerFrame SVGFEContainerFrameBase;
    1.18 +
    1.19 +/*
    1.20 + * This frame is used by filter primitive elements that
    1.21 + * have special child elements that provide parameters.
    1.22 + */
    1.23 +class SVGFEContainerFrame : public SVGFEContainerFrameBase
    1.24 +{
    1.25 +  friend nsIFrame*
    1.26 +  NS_NewSVGFEContainerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
    1.27 +protected:
    1.28 +  SVGFEContainerFrame(nsStyleContext* aContext)
    1.29 +    : SVGFEContainerFrameBase(aContext)
    1.30 +  {
    1.31 +    AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY);
    1.32 +  }
    1.33 +
    1.34 +public:
    1.35 +  NS_DECL_FRAMEARENA_HELPERS
    1.36 +
    1.37 +  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
    1.38 +  {
    1.39 +    return SVGFEContainerFrameBase::IsFrameOfType(
    1.40 +            aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGContainer));
    1.41 +  }
    1.42 +
    1.43 +#ifdef DEBUG_FRAME_DUMP
    1.44 +  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
    1.45 +  {
    1.46 +    return MakeFrameName(NS_LITERAL_STRING("SVGFEContainer"), aResult);
    1.47 +  }
    1.48 +#endif
    1.49 +
    1.50 +#ifdef DEBUG
    1.51 +  virtual void Init(nsIContent* aContent,
    1.52 +                    nsIFrame*   aParent,
    1.53 +                    nsIFrame*   aPrevInFlow) MOZ_OVERRIDE;
    1.54 +#endif
    1.55 +  /**
    1.56 +   * Get the "type" of the frame
    1.57 +   *
    1.58 +   * @see nsGkAtoms::svgFEContainerFrame
    1.59 +   */
    1.60 +  virtual nsIAtom* GetType() const MOZ_OVERRIDE;
    1.61 +
    1.62 +  virtual nsresult AttributeChanged(int32_t  aNameSpaceID,
    1.63 +                                    nsIAtom* aAttribute,
    1.64 +                                    int32_t  aModType) MOZ_OVERRIDE;
    1.65 +
    1.66 +  virtual bool UpdateOverflow() MOZ_OVERRIDE {
    1.67 +    // We don't maintain a visual overflow rect
    1.68 +    return false;
    1.69 +  }
    1.70 +};
    1.71 +
    1.72 +nsIFrame*
    1.73 +NS_NewSVGFEContainerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
    1.74 +{
    1.75 +  return new (aPresShell) SVGFEContainerFrame(aContext);
    1.76 +}
    1.77 +
    1.78 +NS_IMPL_FRAMEARENA_HELPERS(SVGFEContainerFrame)
    1.79 +
    1.80 +#ifdef DEBUG
    1.81 +void
    1.82 +SVGFEContainerFrame::Init(nsIContent* aContent,
    1.83 +                          nsIFrame* aParent,
    1.84 +                          nsIFrame* aPrevInFlow)
    1.85 +{
    1.86 +  NS_ASSERTION(aContent->IsNodeOfType(nsINode::eFILTER),
    1.87 +               "Trying to construct an SVGFEContainerFrame for a "
    1.88 +               "content element that doesn't support the right interfaces");
    1.89 +
    1.90 +  SVGFEContainerFrameBase::Init(aContent, aParent, aPrevInFlow);
    1.91 +}
    1.92 +#endif /* DEBUG */
    1.93 +
    1.94 +nsIAtom *
    1.95 +SVGFEContainerFrame::GetType() const
    1.96 +{
    1.97 +  return nsGkAtoms::svgFEContainerFrame;
    1.98 +}
    1.99 +
   1.100 +nsresult
   1.101 +SVGFEContainerFrame::AttributeChanged(int32_t  aNameSpaceID,
   1.102 +                                      nsIAtom* aAttribute,
   1.103 +                                      int32_t  aModType)
   1.104 +{
   1.105 +  nsSVGFE *element = static_cast<nsSVGFE*>(mContent);
   1.106 +  if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
   1.107 +    nsSVGEffects::InvalidateRenderingObservers(this);
   1.108 +  }
   1.109 +
   1.110 +  return SVGFEContainerFrameBase::AttributeChanged(aNameSpaceID,
   1.111 +                                                     aAttribute, aModType);
   1.112 +}