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

   1 /*
   2  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
   3  * Copyright (C) 2006 Apple Computer Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef LayoutSVGInline_h
  22 #define LayoutSVGInline_h
  23
  24 #include "core/layout/LayoutInline.h"
  25
  26 namespace blink {
  27
  28 class LayoutSVGInline : public LayoutInline {
  29 public:
  30     explicit LayoutSVGInline(Element*);
  31
  32     const char* name() const override { return "LayoutSVGInline"; }
  33     DeprecatedPaintLayerType layerTypeRequired() const final { return NoDeprecatedPaintLayer; }
  34     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVG || type == LayoutObjectSVGInline || LayoutInline::isOfType(type); }
  35
  36     bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
  37
  38     // Chapter 10.4 of the SVG Specification say that we should use the
  39     // object bounding box of the parent text element.
  40     // We search for the root text element and take its bounding box.
  41     // It is also necessary to take the stroke and paint invalidation rect of
  42     // this element, since we need it for filters.
  43     FloatRect objectBoundingBox() const final;
  44     FloatRect strokeBoundingBox() const final;
  45     FloatRect paintInvalidationRectInLocalCoordinates() const final;
  46
  47     LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* = nullptr) const final;
  48     void mapLocalToContainer(const LayoutBoxModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = nullptr, const PaintInvalidationState* = nullptr) const final;
  49     const LayoutObject* pushMappingToContainer(const LayoutBoxModelObject* ancestorToStopAt, LayoutGeometryMap&) const final;
  50     void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const final;
  51
  52 private:
  53     InlineFlowBox* createInlineFlowBox() final;
  54
  55     void invalidateTreeIfNeeded(PaintInvalidationState&) final;
  56
  57     void willBeDestroyed() final;
  58     void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) final;
  59
  60     void addChild(LayoutObject* child, LayoutObject* beforeChild = nullptr) final;
  61     void removeChild(LayoutObject*) final;
  62 };
  63
  64 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGInline, isSVGInline());
  65
  66 }
  67
  68 #endif // LayoutSVGInline_H