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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 blink {
class RenderSVGInlineText;
class SVGTextElement;
class RenderSVGInlineText;
class RenderSVGText final : public RenderSVGBlock {
public:
explicit RenderSVGText(SVGTextElement*);
virtual ~RenderSVGText();
virtual bool isChildAllowed(RenderObject*, RenderStyle*) const override;
void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
virtual void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
virtual FloatRect paintInvalidationRectInLocalCoordinates() const override;
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();
void subtreeTextDidChange(RenderSVGInlineText*);
virtual const AffineTransform& localToParentTransform() const override { return m_localTransform; }
private:
virtual const char* renderName() const override { return "RenderSVGText"; }
virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectSVGText || RenderSVGBlock::isOfType(type); }
virtual void paint(const PaintInfo&, const LayoutPoint&) override;
virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override;
virtual void layout() override;
virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0) override;
virtual void removeChild(RenderObject*) override;
virtual void willBeDestroyed() override;
virtual FloatRect objectBoundingBox() const override { return frameRect(); }
virtual FloatRect strokeBoundingBox() const override;
virtual RootInlineBox* createRootInlineBox() override;
bool shouldHandleSubtreeMutations() const;
bool m_needsReordering : 1;
bool m_needsPositioningValuesUpdate : 1;
bool m_needsTransformUpdate : 1;
bool m_needsTextMetricsUpdate : 1;
SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder;
Vector<SVGTextLayoutAttributes*> m_layoutAttributes;
};
DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGText, isSVGText());
}
#endif
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