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 "LayoutInlineContainer.h"
28
29#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
30
31#include "RenderStyle.h"
32#include <wtf/IsoMallocInlines.h>
33
34namespace WebCore {
35namespace Layout {
36
37WTF_MAKE_ISO_ALLOCATED_IMPL(InlineContainer);
38
39InlineContainer::InlineContainer(Optional<ElementAttributes> attributes, RenderStyle&& style, BaseTypeFlags baseTypeFlags)
40 : Container(attributes, WTFMove(style), baseTypeFlags | InlineContainerFlag)
41{
42}
43
44bool InlineContainer::establishesInlineFormattingContext() const
45{
46 if (!isInlineBlockBox())
47 return false;
48
49 // 9.4.2 Inline formatting contexts
50 // An inline formatting context is established by a block container box that contains no block-level boxes.
51 if (auto* firstInFlowChild = this->firstInFlowChild())
52 return firstInFlowChild->isInlineLevelBox();
53
54 return false;
55}
56
57}
58}
59
60#endif
61