layout/svg/SVGViewportFrame.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef LAYOUT_SVG_SVGVIEWPORTFRAME_H_
   8 #define LAYOUT_SVG_SVGVIEWPORTFRAME_H_
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/ISVGSVGFrame.h"
  12 #include "mozilla/SVGContainerFrame.h"
  13
  14 class gfxContext;
  15
  16 namespace mozilla {
  17
  18 /**
  19  * Superclass for inner SVG frames and symbol frames.
  20  */
  21 class SVGViewportFrame : public SVGDisplayContainerFrame, public ISVGSVGFrame {
  22  protected:
  23   SVGViewportFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
  24                    nsIFrame::ClassID aID)
  25       : SVGDisplayContainerFrame(aStyle, aPresContext, aID) {}
  26
  27  public:
  28   NS_DECL_ABSTRACT_FRAME(SVGViewportFrame)
  29
  30   nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
  31                             int32_t aModType) override;
  32
  33   // ISVGDisplayableFrame interface:
  34   void PaintSVG(gfxContext& aContext, const gfxMatrix& aTransform,
  35                 imgDrawingParams& aImgParams) override;
  36   void ReflowSVG() override;
  37   void NotifySVGChanged(uint32_t aFlags) override;
  38   SVGBBox GetBBoxContribution(const Matrix& aToBBoxUserspace,
  39                               uint32_t aFlags) override;
  40   nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
  41
  42   // SVGContainerFrame methods:
  43   bool HasChildrenOnlyTransform(Matrix* aTransform) const override;
  44
  45   // ISVGSVGFrame interface:
  46   void NotifyViewportOrTransformChanged(uint32_t aFlags) override;
  47 };
  48
  49 }  // namespace mozilla
  50
  51 #endif  // LAYOUT_SVG_SVGVIEWPORTFRAME_H_