2 * Copyright (C) 2006 Apple Computer, Inc.
3 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
4 * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef RenderSVGText_h
23 #define RenderSVGText_h
25 #include "core/rendering/svg/RenderSVGBlock.h"
26 #include "core/rendering/svg/SVGTextLayoutAttributesBuilder.h"
27 #include "platform/transforms/AffineTransform.h"
31 class RenderSVGInlineText;
33 class RenderSVGInlineText;
35 class RenderSVGText FINAL : public RenderSVGBlock {
37 explicit RenderSVGText(SVGTextElement*);
38 virtual ~RenderSVGText();
40 virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
42 void setNeedsPositioningValuesUpdate() { m_needsPositioningValuesUpdate = true; }
43 virtual void setNeedsTransformUpdate() OVERRIDE { m_needsTransformUpdate = true; }
44 void setNeedsTextMetricsUpdate() { m_needsTextMetricsUpdate = true; }
45 virtual FloatRect repaintRectInLocalCoordinates() const OVERRIDE;
47 static RenderSVGText* locateRenderSVGTextAncestor(RenderObject*);
48 static const RenderSVGText* locateRenderSVGTextAncestor(const RenderObject*);
50 bool needsReordering() const { return m_needsReordering; }
51 Vector<SVGTextLayoutAttributes*>& layoutAttributes() { return m_layoutAttributes; }
53 void subtreeChildWasAdded(RenderObject*);
54 void subtreeChildWillBeRemoved(RenderObject*, Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
55 void subtreeChildWasRemoved(const Vector<SVGTextLayoutAttributes*, 2>& affectedAttributes);
56 void subtreeStyleDidChange();
57 void subtreeTextDidChange(RenderSVGInlineText*);
60 virtual const char* renderName() const OVERRIDE { return "RenderSVGText"; }
61 virtual bool isSVGText() const OVERRIDE { return true; }
63 virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
64 virtual bool nodeAtFloatPoint(const HitTestRequest&, HitTestResult&, const FloatPoint& pointInParent, HitTestAction) OVERRIDE;
65 virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE;
67 virtual void layout() OVERRIDE;
69 virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const OVERRIDE;
71 virtual void computeRectForRepaint(const RenderLayerModelObject* repaintContainer, LayoutRect&, bool fixed = false) const OVERRIDE;
73 virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0) OVERRIDE;
74 virtual void removeChild(RenderObject*) OVERRIDE;
75 virtual void willBeDestroyed() OVERRIDE;
77 virtual FloatRect objectBoundingBox() const OVERRIDE { return frameRect(); }
78 virtual FloatRect strokeBoundingBox() const OVERRIDE;
80 virtual const AffineTransform& localToParentTransform() const OVERRIDE { return m_localTransform; }
81 virtual RootInlineBox* createRootInlineBox() OVERRIDE;
83 virtual RenderBlock* firstLineBlock() const OVERRIDE;
84 virtual void updateFirstLetter() OVERRIDE;
86 bool shouldHandleSubtreeMutations() const;
88 bool m_needsReordering : 1;
89 bool m_needsPositioningValuesUpdate : 1;
90 bool m_needsTransformUpdate : 1;
91 bool m_needsTextMetricsUpdate : 1;
92 SVGTextLayoutAttributesBuilder m_layoutAttributesBuilder;
93 Vector<SVGTextLayoutAttributes*> m_layoutAttributes;
96 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGText, isSVGText());