1/*
2 * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
3 * Copyright (C) 2006 Apple Computer Inc.
4 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
5 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#ifndef SVGRootInlineBox_h
24#define SVGRootInlineBox_h
25
26#include "core/rendering/RootInlineBox.h"
27#include "core/rendering/svg/SVGRenderSupport.h"
28#include "core/rendering/svg/SVGTextLayoutEngine.h"
29
30namespace blink {
31
32class SVGRootInlineBox FINAL : public RootInlineBox {
33public:
34    SVGRootInlineBox(RenderBlockFlow& block)
35        : RootInlineBox(block)
36        , m_logicalHeight(0)
37    {
38    }
39
40    virtual bool isSVGRootInlineBox() const OVERRIDE { return true; }
41
42    virtual float virtualLogicalHeight() const OVERRIDE { return m_logicalHeight; }
43    void setLogicalHeight(float height) { m_logicalHeight = height; }
44
45    virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE;
46
47    virtual void markDirty() OVERRIDE;
48
49    void computePerCharacterLayoutInformation();
50
51    InlineBox* closestLeafChildForPosition(const LayoutPoint&);
52
53private:
54    void reorderValueLists(Vector<SVGTextLayoutAttributes*>&);
55    void layoutCharactersInTextBoxes(InlineFlowBox*, SVGTextLayoutEngine&);
56    void layoutChildBoxes(InlineFlowBox*, FloatRect* = 0);
57    void layoutRootBox(const FloatRect&);
58
59private:
60    float m_logicalHeight;
61};
62
63DEFINE_INLINE_BOX_TYPE_CASTS(SVGRootInlineBox);
64
65} // namespace blink
66
67#endif // SVGRootInlineBox_h
68