1/*
2 * Copyright (C) 2018 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 "RenderTreeBuilderBlockFlow.h"
28
29#include "RenderMultiColumnFlow.h"
30#include "RenderTreeBuilderBlock.h"
31#include "RenderTreeBuilderMultiColumn.h"
32
33namespace WebCore {
34
35RenderTreeBuilder::BlockFlow::BlockFlow(RenderTreeBuilder& builder)
36 : m_builder(builder)
37{
38}
39
40void RenderTreeBuilder::BlockFlow::attach(RenderBlockFlow& parent, RenderPtr<RenderObject> child, RenderObject* beforeChild)
41{
42 if (parent.multiColumnFlow() && (!parent.isFieldset() || !child->isLegend()))
43 return m_builder.attach(*parent.multiColumnFlow(), WTFMove(child), beforeChild);
44 auto* beforeChildOrPlaceholder = beforeChild;
45 if (auto* containingFragmentedFlow = parent.enclosingFragmentedFlow())
46 beforeChildOrPlaceholder = m_builder.multiColumnBuilder().resolveMovedChild(*containingFragmentedFlow, beforeChild);
47 m_builder.blockBuilder().attach(parent, WTFMove(child), beforeChildOrPlaceholder);
48}
49
50void RenderTreeBuilder::BlockFlow::moveAllChildrenIncludingFloats(RenderBlockFlow& from, RenderBlock& to, RenderTreeBuilder::NormalizeAfterInsertion normalizeAfterInsertion)
51{
52 m_builder.moveAllChildren(from, to, normalizeAfterInsertion);
53 from.addFloatsToNewParent(downcast<RenderBlockFlow>(to));
54}
55
56}
57