layout/svg/nsSVGForeignObjectFrame.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/svg/nsSVGForeignObjectFrame.h	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 +#ifndef NSSVGFOREIGNOBJECTFRAME_H__
    1.10 +#define NSSVGFOREIGNOBJECTFRAME_H__
    1.11 +
    1.12 +#include "mozilla/Attributes.h"
    1.13 +#include "nsContainerFrame.h"
    1.14 +#include "nsIPresShell.h"
    1.15 +#include "nsISVGChildFrame.h"
    1.16 +#include "nsRegion.h"
    1.17 +#include "nsSVGUtils.h"
    1.18 +
    1.19 +class nsRenderingContext;
    1.20 +class nsSVGOuterSVGFrame;
    1.21 +
    1.22 +typedef nsContainerFrame nsSVGForeignObjectFrameBase;
    1.23 +
    1.24 +class nsSVGForeignObjectFrame : public nsSVGForeignObjectFrameBase,
    1.25 +                                public nsISVGChildFrame
    1.26 +{
    1.27 +  friend nsIFrame*
    1.28 +  NS_NewSVGForeignObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
    1.29 +protected:
    1.30 +  nsSVGForeignObjectFrame(nsStyleContext* aContext);
    1.31 +
    1.32 +public:
    1.33 +  NS_DECL_QUERYFRAME
    1.34 +  NS_DECL_FRAMEARENA_HELPERS
    1.35 +
    1.36 +  // nsIFrame:
    1.37 +  virtual void Init(nsIContent* aContent,
    1.38 +                    nsIFrame*   aParent,
    1.39 +                    nsIFrame*   aPrevInFlow) MOZ_OVERRIDE;
    1.40 +  virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
    1.41 +  virtual nsresult  AttributeChanged(int32_t         aNameSpaceID,
    1.42 +                                     nsIAtom*        aAttribute,
    1.43 +                                     int32_t         aModType) MOZ_OVERRIDE;
    1.44 +
    1.45 +  virtual nsIFrame* GetContentInsertionFrame() MOZ_OVERRIDE {
    1.46 +    return GetFirstPrincipalChild()->GetContentInsertionFrame();
    1.47 +  }
    1.48 +
    1.49 +  virtual nsresult Reflow(nsPresContext*           aPresContext,
    1.50 +                          nsHTMLReflowMetrics&     aDesiredSize,
    1.51 +                          const nsHTMLReflowState& aReflowState,
    1.52 +                          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
    1.53 +
    1.54 +  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
    1.55 +                                const nsRect&           aDirtyRect,
    1.56 +                                const nsDisplayListSet& aLists) MOZ_OVERRIDE;
    1.57 +
    1.58 +  /**
    1.59 +   * Get the "type" of the frame
    1.60 +   *
    1.61 +   * @see nsGkAtoms::svgForeignObjectFrame
    1.62 +   */
    1.63 +  virtual nsIAtom* GetType() const MOZ_OVERRIDE;
    1.64 +
    1.65 +  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
    1.66 +  {
    1.67 +    return nsSVGForeignObjectFrameBase::IsFrameOfType(aFlags &
    1.68 +      ~(nsIFrame::eSVG | nsIFrame::eSVGForeignObject));
    1.69 +  }
    1.70 +
    1.71 +  virtual bool IsSVGTransformed(Matrix *aOwnTransform,
    1.72 +                                Matrix *aFromParentTransform) const MOZ_OVERRIDE;
    1.73 +
    1.74 +#ifdef DEBUG_FRAME_DUMP
    1.75 +  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
    1.76 +  {
    1.77 +    return MakeFrameName(NS_LITERAL_STRING("SVGForeignObject"), aResult);
    1.78 +  }
    1.79 +#endif
    1.80 +
    1.81 +  // nsISVGChildFrame interface:
    1.82 +  virtual nsresult PaintSVG(nsRenderingContext *aContext,
    1.83 +                            const nsIntRect *aDirtyRect,
    1.84 +                            nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE;
    1.85 +  virtual nsIFrame* GetFrameForPoint(const nsPoint &aPoint) MOZ_OVERRIDE;
    1.86 +  virtual nsRect GetCoveredRegion() MOZ_OVERRIDE;
    1.87 +  virtual void ReflowSVG() MOZ_OVERRIDE;
    1.88 +  virtual void NotifySVGChanged(uint32_t aFlags) MOZ_OVERRIDE;
    1.89 +  virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,
    1.90 +                                      uint32_t aFlags) MOZ_OVERRIDE;
    1.91 +  virtual bool IsDisplayContainer() MOZ_OVERRIDE { return true; }
    1.92 +
    1.93 +  gfxMatrix GetCanvasTM(uint32_t aFor, nsIFrame* aTransformRoot = nullptr);
    1.94 +
    1.95 +  nsRect GetInvalidRegion();
    1.96 +
    1.97 +protected:
    1.98 +  // implementation helpers:
    1.99 +  void DoReflow();
   1.100 +  void RequestReflow(nsIPresShell::IntrinsicDirty aType);
   1.101 +
   1.102 +  // If width or height is less than or equal to zero we must disable rendering
   1.103 +  bool IsDisabled() const { return mRect.width <= 0 || mRect.height <= 0; }
   1.104 +
   1.105 +  nsAutoPtr<gfxMatrix> mCanvasTM;
   1.106 +
   1.107 +  bool mInReflow;
   1.108 +};
   1.109 +
   1.110 +#endif

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