third_party/WebKit/Source/core/layout/svg/LayoutSVGInline.h

/*
 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
 * Copyright (C) 2006 Apple Computer Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef LayoutSVGInline_h
#define LayoutSVGInline_h

#include "core/layout/LayoutInline.h"

namespace blink {

class LayoutSVGInline : public LayoutInline {
 public:
  explicit LayoutSVGInline(Element*);

  const char* GetName() const override { return "LayoutSVGInline"; }
  PaintLayerType LayerTypeRequired() const final { return kNoPaintLayer; }
  bool IsOfType(LayoutObjectType type) const override {
    return type == kLayoutObjectSVG || type == kLayoutObjectSVGInline ||
           LayoutInline::IsOfType(type);
  }

  bool IsChildAllowed(LayoutObject*, const ComputedStyle&) const override;

  // Chapter 10.4 of the SVG Specification say that we should use the
  // object bounding box of the parent text element.
  // We search for the root text element and take its bounding box.
  // It is also necessary to take the stroke and visual rect of this element,
  // since we need it for filters.
  FloatRect ObjectBoundingBox() const final;
  FloatRect StrokeBoundingBox() const final;
  FloatRect VisualRectInLocalSVGCoordinates() const final;

  LayoutRect AbsoluteVisualRect() const final;
  void MapLocalToAncestor(
      const LayoutBoxModelObject* ancestor,
      TransformState&,
      MapCoordinatesFlags = kApplyContainerFlip) const final;
  const LayoutObject* PushMappingToContainer(
      const LayoutBoxModelObject* ancestor_to_stop_at,
      LayoutGeometryMap&) const final;
  void AbsoluteQuads(Vector<FloatQuad>&,
                     MapCoordinatesFlags mode = 0) const final;

 private:
  InlineFlowBox* CreateInlineFlowBox() final;

  void WillBeDestroyed() final;
  void StyleDidChange(StyleDifference, const ComputedStyle* old_style) final;

  void AddChild(LayoutObject* child,
                LayoutObject* before_child = nullptr) final;
  void RemoveChild(LayoutObject*) final;
};

DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGInline, IsSVGInline());

}  // namespace blink

#endif  // LayoutSVGInline_H