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#ifndef RenderRubyBase_h
32#define RenderRubyBase_h
33
34#include "core/rendering/RenderBlockFlow.h"
35
36namespace blink {
37
38class RenderRubyRun;
39
40class RenderRubyBase FINAL : public RenderBlockFlow {
41public:
42    virtual ~RenderRubyBase();
43
44    static RenderRubyBase* createAnonymous(Document*);
45
46    virtual const char* renderName() const OVERRIDE { return "RenderRubyBase (anonymous)"; }
47
48    virtual bool isRubyBase() const OVERRIDE { return true; }
49
50    virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
51
52private:
53    RenderRubyBase();
54
55    virtual ETextAlign textAlignmentForLine(bool endsWithSoftBreak) const OVERRIDE;
56    virtual void adjustInlineDirectionLineBounds(unsigned expansionOpportunityCount, float& logicalLeft, float& logicalWidth) const OVERRIDE;
57
58    void moveChildren(RenderRubyBase* toBase, RenderObject* beforeChild = 0);
59    void moveInlineChildren(RenderRubyBase* toBase, RenderObject* beforeChild = 0);
60    void moveBlockChildren(RenderRubyBase* toBase, RenderObject* beforeChild = 0);
61
62    // Allow RenderRubyRun to manipulate the children within ruby bases.
63    friend class RenderRubyRun;
64};
65
66} // namespace blink
67
68#endif // RenderRubyBase_h
69