1/*
2 * Copyright (C) 2017 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "RenderTreeUpdater.h"
29
30namespace WebCore {
31
32class RenderElement;
33class RenderObject;
34class RenderRubyAsBlock;
35class RenderRubyAsInline;
36class RenderRubyBase;
37class RenderRubyRun;
38class RenderTreeBuilder;
39
40class RenderTreeBuilder::Ruby {
41 WTF_MAKE_FAST_ALLOCATED;
42public:
43 Ruby(RenderTreeBuilder&);
44
45 void attach(RenderRubyRun& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild);
46 RenderPtr<RenderObject> detach(RenderRubyAsInline& parent, RenderObject& child) WARN_UNUSED_RETURN;
47 RenderPtr<RenderObject> detach(RenderRubyAsBlock& parent, RenderObject& child) WARN_UNUSED_RETURN;
48 RenderPtr<RenderObject> detach(RenderRubyRun& parent, RenderObject& child) WARN_UNUSED_RETURN;
49
50 void moveChildren(RenderRubyBase& from, RenderRubyBase& to);
51
52 RenderElement& findOrCreateParentForChild(RenderRubyAsBlock& parent, const RenderObject& child, RenderObject*& beforeChild);
53 RenderElement& findOrCreateParentForChild(RenderRubyAsInline& parent, const RenderObject& child, RenderObject*& beforeChild);
54
55private:
56 void moveInlineChildren(RenderRubyBase& from, RenderRubyBase& to, RenderObject* beforeChild);
57 void moveBlockChildren(RenderRubyBase& from, RenderRubyBase& to, RenderObject* beforeChild);
58 void moveChildrenInternal(RenderRubyBase& from, RenderRubyBase& to, RenderObject* beforeChild = nullptr);
59 RenderRubyBase& rubyBaseSafe(RenderRubyRun&);
60
61 RenderTreeBuilder& m_builder;
62};
63
64}
65
66