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#include "config.h"
27#include "RenderTreeBuilderFormControls.h"
28
29#include "RenderButton.h"
30#include "RenderMenuList.h"
31#include "RenderTreeBuilderBlock.h"
32
33namespace WebCore {
34
35RenderTreeBuilder::FormControls::FormControls(RenderTreeBuilder& builder)
36 : m_builder(builder)
37{
38}
39
40void RenderTreeBuilder::FormControls::attach(RenderButton& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
41{
42 m_builder.blockBuilder().attach(findOrCreateParentForChild(parent), WTFMove(child), beforeChild);
43}
44
45void RenderTreeBuilder::FormControls::attach(RenderMenuList& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
46{
47 auto& newChild = *child.get();
48 m_builder.blockBuilder().attach(findOrCreateParentForChild(parent), WTFMove(child), beforeChild);
49 parent.didAttachChild(newChild, beforeChild);
50}
51
52RenderPtr<RenderObject> RenderTreeBuilder::FormControls::detach(RenderMenuList& parent, RenderObject& child)
53{
54 auto* innerRenderer = parent.innerRenderer();
55 if (!innerRenderer || &child == innerRenderer)
56 return m_builder.blockBuilder().detach(parent, child);
57 return m_builder.detach(*innerRenderer, child);
58}
59
60RenderPtr<RenderObject> RenderTreeBuilder::FormControls::detach(RenderButton& parent, RenderObject& child)
61{
62 auto* innerRenderer = parent.innerRenderer();
63 if (!innerRenderer || &child == innerRenderer || child.parent() == &parent) {
64 ASSERT(&child == innerRenderer || !innerRenderer);
65 return m_builder.blockBuilder().detach(parent, child);
66 }
67 return m_builder.detach(*innerRenderer, child);
68}
69
70
71RenderBlock& RenderTreeBuilder::FormControls::findOrCreateParentForChild(RenderButton& parent)
72{
73 auto* innerRenderer = parent.innerRenderer();
74 if (innerRenderer)
75 return *innerRenderer;
76
77 auto wrapper = parent.createAnonymousBlock(parent.style().display());
78 innerRenderer = wrapper.get();
79 m_builder.blockBuilder().attach(parent, WTFMove(wrapper), nullptr);
80 parent.setInnerRenderer(*innerRenderer);
81 return *innerRenderer;
82}
83
84RenderBlock& RenderTreeBuilder::FormControls::findOrCreateParentForChild(RenderMenuList& parent)
85{
86 auto* innerRenderer = parent.innerRenderer();
87 if (innerRenderer)
88 return *innerRenderer;
89
90 auto wrapper = parent.createAnonymousBlock();
91 innerRenderer = wrapper.get();
92 m_builder.blockBuilder().attach(parent, WTFMove(wrapper), nullptr);
93 parent.setInnerRenderer(*innerRenderer);
94 return *innerRenderer;
95}
96
97}
98