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/*
* Copyright (C) 2006 Apple 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.
*/
#pragma once
#include "AffineTransform.h"
#include "RenderSVGBlock.h"
#include "SVGTextLayoutAttributesBuilder.h"
namespace WebCore {
class RenderSVGInlineText;
class SVGTextElement;
class RenderSVGInlineText;
class RenderSVGText final : public RenderSVGBlock {
WTF_MAKE_ISO_ALLOCATED(RenderSVGText);
public:
RenderSVGText(SVGTextElement&, RenderStyle&&);
virtual ~RenderSVGText();
SVGTextElement& textElement() const;
bool isChildAllowed(const RenderObject&, const RenderStyle&) const override;
void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
void setNeedsTransformUpdate() override { m_needsTransformUpdate = true; }
void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
FloatRect repaintRectInLocalCoordinates() 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(RenderSVGInlineText*);
void subtreeTextDidChange(RenderSVGInlineText*);
FloatRect objectBoundingBox() const override { return frameRect(); }
FloatRect strokeBoundingBox() const override;
private:
void graphicsElement() const = delete;
const char* renderName() const override { return "RenderSVGText"; }
bool isSVGText() const override { return true; }
void paint(PaintInfo&, const LayoutPoint&) override;
bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) override;
VisiblePosition positionForPoint(const LayoutPoint&, const RenderFragmentContainer*) override;
bool requiresLayer() const override { return false; }
void layout() override;
void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
void willBeDestroyed() override;
const AffineTransform& localToParentTransform() const override { return m_localTransform; }
AffineTransform localTransform() const override { return m_localTransform; }
RenderBlock* firstLineBlock() const override;
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;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGText, isSVGText())
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