1/*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#pragma once
32
33#include "RenderBlockFlow.h"
34
35namespace WebCore {
36
37class RenderRubyRun;
38
39class RenderRubyBase final : public RenderBlockFlow {
40 WTF_MAKE_ISO_ALLOCATED(RenderRubyBase);
41public:
42 RenderRubyBase(Document&, RenderStyle&&);
43 virtual ~RenderRubyBase();
44
45 const char* renderName() const override { return "RenderRubyBase (anonymous)"; }
46
47 RenderRubyRun* rubyRun() const;
48
49 void setIsAfterExpansion(bool isAfterExpansion) { m_isAfterExpansion = isAfterExpansion; }
50 bool isAfterExpansion() { return m_isAfterExpansion; }
51
52 void setInitialOffset(float initialOffset) { m_initialOffset = initialOffset; }
53
54 void reset()
55 {
56 m_initialOffset = 0;
57 m_isAfterExpansion = true;
58 }
59
60 void cachePriorCharactersIfNeeded(const LazyLineBreakIterator&) override;
61
62private:
63 bool isRubyBase() const override { return true; }
64 bool isChildAllowed(const RenderObject&, const RenderStyle&) const override;
65 TextAlignMode textAlignmentForLine(bool endsWithSoftBreak) const override;
66 void adjustInlineDirectionLineBounds(int expansionOpportunityCount, float& logicalLeft, float& logicalWidth) const override;
67
68 float m_initialOffset;
69 unsigned m_isAfterExpansion : 1;
70};
71
72} // namespace WebCore
73
74SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderRubyBase, isRubyBase())
75