layout/svg/nsSVGGFrame.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef NSSVGGFRAME_H
   7 #define NSSVGGFRAME_H
   8
   9 #include "mozilla/Attributes.h"
  10 #include "gfxMatrix.h"
  11 #include "nsSVGContainerFrame.h"
  12
  13 typedef nsSVGDisplayContainerFrame nsSVGGFrameBase;
  14
  15 class nsSVGGFrame : public nsSVGGFrameBase
  16 {
  17   friend nsIFrame*
  18   NS_NewSVGGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
  19 protected:
  20   explicit nsSVGGFrame(nsStyleContext* aContext) :
  21     nsSVGGFrameBase(aContext) {}
  22
  23 public:
  24   NS_DECL_FRAMEARENA_HELPERS
  25
  26 #ifdef DEBUG
  27   virtual void Init(nsIContent*       aContent,
  28                     nsContainerFrame* aParent,
  29                     nsIFrame*         aPrevInFlow) MOZ_OVERRIDE;
  30 #endif
  31
  32   /**
  33    * Get the "type" of the frame
  34    *
  35    * @see nsGkAtoms::svgGFrame
  36    */
  37   virtual nsIAtom* GetType() const MOZ_OVERRIDE;
  38
  39 #ifdef DEBUG_FRAME_DUMP
  40   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
  41   {
  42     return MakeFrameName(NS_LITERAL_STRING("SVGG"), aResult);
  43   }
  44 #endif
  45
  46   // nsIFrame interface:
  47   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
  48                                     nsIAtom*        aAttribute,
  49                                     int32_t         aModType) MOZ_OVERRIDE;
  50
  51   // nsISVGChildFrame interface:
  52   virtual void NotifySVGChanged(uint32_t aFlags) MOZ_OVERRIDE;
  53
  54   // nsSVGContainerFrame methods:
  55   virtual gfxMatrix GetCanvasTM(uint32_t aFor,
  56                                 nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE;
  57
  58   nsAutoPtr<gfxMatrix> mCanvasTM;
  59 };
  60
  61 #endif