1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright (c) 2014, Opera Software ASA. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Opera Software ASA nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "RenderBox.h"
#include "RenderMultiColumnFlow.h"
namespace WebCore {
class RenderMultiColumnSpannerPlaceholder final : public RenderBox {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderMultiColumnSpannerPlaceholder);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderMultiColumnSpannerPlaceholder);
public:
static RenderPtr<RenderMultiColumnSpannerPlaceholder> createAnonymous(RenderMultiColumnFlow&, RenderBox& spanner, const RenderStyle& parentStyle);
virtual ~RenderMultiColumnSpannerPlaceholder();
RenderBox* spanner() const { return m_spanner.get(); }
RenderMultiColumnFlow* fragmentedFlow() const { return m_fragmentedFlow.get(); }
private:
template<class T, class... Args> friend RenderPtr<T> createRenderer(Args&&...);
RenderMultiColumnSpannerPlaceholder(RenderMultiColumnFlow&, RenderBox& spanner, RenderStyle&&);
void computeIntrinsicLogicalWidths(LayoutUnit&, LayoutUnit&) const override { ASSERT_NOT_REACHED(); }
bool canHaveChildren() const override { return false; }
void paint(PaintInfo&, const LayoutPoint&) override { }
ASCIILiteral renderName() const override;
SingleThreadWeakPtr<RenderBox> m_spanner;
SingleThreadWeakPtr<RenderMultiColumnFlow> m_fragmentedFlow;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMultiColumnSpannerPlaceholder, isRenderMultiColumnSpannerPlaceholder())
|
