1/*
2 * Copyright (c) 2014, Opera Software ASA. 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 * 3. Neither the name of Opera Software ASA nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
27 * OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#pragma once
31
32#include "RenderBox.h"
33
34namespace WebCore {
35
36class RenderMultiColumnFlow;
37
38class RenderMultiColumnSpannerPlaceholder final : public RenderBox {
39 WTF_MAKE_ISO_ALLOCATED(RenderMultiColumnSpannerPlaceholder);
40public:
41 static RenderPtr<RenderMultiColumnSpannerPlaceholder> createAnonymous(RenderMultiColumnFlow&, RenderBox& spanner, const RenderStyle& parentStyle);
42
43 RenderBox* spanner() const { return m_spanner.get(); }
44 RenderMultiColumnFlow* fragmentedFlow() const { return m_fragmentedFlow.get(); }
45
46private:
47 template<class T, class... Args> friend RenderPtr<T> createRenderer(Args&&...);
48
49 RenderMultiColumnSpannerPlaceholder(RenderMultiColumnFlow&, RenderBox& spanner, RenderStyle&&);
50 bool isRenderMultiColumnSpannerPlaceholder() const override { return true; }
51
52 bool canHaveChildren() const override { return false; }
53 void paint(PaintInfo&, const LayoutPoint&) override { }
54 const char* renderName() const override;
55
56 WeakPtr<RenderBox> m_spanner;
57 WeakPtr<RenderMultiColumnFlow> m_fragmentedFlow;
58};
59
60} // namespace WebCore
61
62SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderMultiColumnSpannerPlaceholder, isRenderMultiColumnSpannerPlaceholder())
63