| /* |
| * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org> |
| * Copyright (C) 2009 Google, Inc. All rights reserved. |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * |
| * 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 RenderSVGRoot_h |
| #define RenderSVGRoot_h |
| |
| #include "core/rendering/RenderReplaced.h" |
| #include "core/rendering/svg/SVGRenderSupport.h" |
| #include "platform/geometry/FloatRect.h" |
| |
| namespace WebCore { |
| |
| class AffineTransform; |
| class SVGElement; |
| |
| class RenderSVGRoot FINAL : public RenderReplaced { |
| public: |
| explicit RenderSVGRoot(SVGElement*); |
| virtual ~RenderSVGRoot(); |
| |
| bool isEmbeddedThroughSVGImage() const; |
| bool isEmbeddedThroughFrameContainingSVGDocument() const; |
| |
| virtual void computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio, bool& isPercentageIntrinsicSize) const; |
| |
| RenderObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); } |
| RenderObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); } |
| |
| const RenderObjectChildList* children() const { return &m_children; } |
| RenderObjectChildList* children() { return &m_children; } |
| |
| bool isLayoutSizeChanged() const { return m_isLayoutSizeChanged; } |
| virtual void setNeedsBoundariesUpdate() { m_needsBoundariesOrTransformUpdate = true; } |
| virtual bool needsBoundariesUpdate() OVERRIDE { return m_needsBoundariesOrTransformUpdate; } |
| virtual void setNeedsTransformUpdate() { m_needsBoundariesOrTransformUpdate = true; } |
| |
| IntSize containerSize() const { return m_containerSize; } |
| void setContainerSize(const IntSize& containerSize) { m_containerSize = containerSize; } |
| |
| virtual bool hasRelativeDimensions() const OVERRIDE; |
| virtual bool hasRelativeIntrinsicLogicalWidth() const OVERRIDE; |
| virtual bool hasRelativeLogicalHeight() const OVERRIDE; |
| |
| // localToBorderBoxTransform maps local SVG viewport coordinates to local CSS box coordinates. |
| const AffineTransform& localToBorderBoxTransform() const { return m_localToBorderBoxTransform; } |
| |
| private: |
| virtual RenderObjectChildList* virtualChildren() { return children(); } |
| virtual const RenderObjectChildList* virtualChildren() const { return children(); } |
| |
| virtual bool isSVGRoot() const { return true; } |
| virtual const char* renderName() const { return "RenderSVGRoot"; } |
| |
| virtual LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred = ComputeActual) const OVERRIDE; |
| virtual LayoutUnit computeReplacedLogicalHeight() const; |
| virtual void layout(); |
| virtual void paintReplaced(PaintInfo&, const LayoutPoint&); |
| |
| virtual void willBeDestroyed(); |
| virtual void styleWillChange(StyleDifference, const RenderStyle* newStyle); |
| virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); |
| virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0) OVERRIDE; |
| virtual void removeChild(RenderObject*) OVERRIDE; |
| |
| virtual void insertedIntoTree() OVERRIDE; |
| virtual void willBeRemovedFromTree() OVERRIDE; |
| |
| virtual const AffineTransform& localToParentTransform() const; |
| |
| bool fillContains(const FloatPoint&) const; |
| bool strokeContains(const FloatPoint&) const; |
| |
| virtual FloatRect objectBoundingBox() const { return m_objectBoundingBox; } |
| virtual FloatRect strokeBoundingBox() const { return m_strokeBoundingBox; } |
| virtual FloatRect repaintRectInLocalCoordinates() const { return m_repaintBoundingBox; } |
| |
| virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE; |
| |
| virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const OVERRIDE; |
| virtual void computeFloatRectForRepaint(const RenderLayerModelObject* repaintContainer, FloatRect& repaintRect, bool fixed) const OVERRIDE; |
| |
| virtual void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0) const OVERRIDE; |
| virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const OVERRIDE; |
| |
| virtual bool canBeSelectionLeaf() const { return false; } |
| virtual bool canHaveChildren() const { return true; } |
| |
| void updateCachedBoundaries(); |
| void buildLocalToBorderBoxTransform(); |
| |
| RenderObjectChildList m_children; |
| IntSize m_containerSize; |
| FloatRect m_objectBoundingBox; |
| bool m_objectBoundingBoxValid; |
| FloatRect m_strokeBoundingBox; |
| FloatRect m_repaintBoundingBox; |
| mutable AffineTransform m_localToParentTransform; |
| AffineTransform m_localToBorderBoxTransform; |
| bool m_isLayoutSizeChanged : 1; |
| bool m_needsBoundariesOrTransformUpdate : 1; |
| }; |
| |
| inline RenderSVGRoot* toRenderSVGRoot(RenderObject* object) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGRoot()); |
| return static_cast<RenderSVGRoot*>(object); |
| } |
| |
| inline const RenderSVGRoot* toRenderSVGRoot(const RenderObject* object) |
| { |
| ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSVGRoot()); |
| return static_cast<const RenderSVGRoot*>(object); |
| } |
| |
| // This will catch anyone doing an unnecessary cast. |
| void toRenderSVGRoot(const RenderSVGRoot*); |
| |
| } // namespace WebCore |
| |
| #endif // RenderSVGRoot_h |