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/*
* Copyright (C) 2006 Apple Computer, Inc.
* Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) Research In Motion Limited 2010-2012. 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 RenderSVGText_h
#define RenderSVGText_h
#include "core/rendering/svg/RenderSVGBlock.h"
#include "core/rendering/svg/SVGTextLayoutAttributesBuilder.h"
#include "platform/transforms/AffineTransform.h"
namespace WebCore {
class RenderSVGInlineText;
class SVGTextElement;
class RenderSVGInlineText;
class RenderSVGText FINAL : public RenderSVGBlock {
public:
explicit RenderSVGText(SVGTextElement*);
virtual ~RenderSVGText();
virtual bool isChildAllowed(RenderObject*, RenderStyle*) const;
void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
virtual void setNeedsTransformUpdate() { m_needsTransformUpdate = true; }
void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
virtual FloatRect repaintRectInLocalCoordinates() const;
static RenderSVGText* locateRenderSVGTextAncestor(RenderObject*);
static const RenderSVGText* locateRenderSVGTextAncestor(const RenderObject*);
bool needsReordering() const { return m_needsReordering; }
Vector<SVGTextLayoutAttributes*>& layoutAttributes() { return m_layoutAttributes; }
void subtreeChildWasAdded(RenderObject*);
void subtreeChildWillBeRemoved(RenderObject*, Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
void subtreeChildWasRemoved(const Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
void subtreeStyleDidChange(RenderSVGInlineText*);
void subtreeTextDidChange(RenderSVGInlineText*);
private:
virtual const char* renderName() const { return "RenderSVGText"; }
virtual bool isSVGText() const { return true; }
virtual void paint(PaintInfo&, const LayoutPoint&);
virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction);
virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE FINAL;
virtual bool requiresLayer() const { return false; }
virtual void layout();
virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const;
virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const OVERRIDE;
virtual void computeRectForRepaint(const RenderLayerModelObject* repaintContainer, LayoutRect&, bool fixed = false) const OVERRIDE;
virtual void computeFloatRectForRepaint(const RenderLayerModelObject* repaintContainer, FloatRect&, bool fixed = false) 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 void addChild(RenderObject* child, RenderObject* beforeChild = 0);
virtual void removeChild(RenderObject*) OVERRIDE;
virtual void willBeDestroyed() OVERRIDE;
virtual FloatRect objectBoundingBox() const { return frameRect(); }
virtual FloatRect strokeBoundingBox() const;
virtual const AffineTransform& localToParentTransform() const { return m_localTransform; }
virtual AffineTransform localTransform() const { return m_localTransform; }
virtual RootInlineBox* createRootInlineBox();
virtual RenderBlock* firstLineBlock() const;
virtual void updateFirstLetter();
bool shouldHandleSubtreeMutations() const;
bool m_needsReordering : 1;
bool m_needsPositioningValuesUpdate : 1;
bool m_needsTransformUpdate : 1;
bool m_needsTextMetricsUpdate : 1;
AffineTransform m_localTransform;
SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder;
Vector<SVGTextLayoutAttributes*> m_layoutAttributes;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGText, isSVGText());
}
#endif
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