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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <LibHTML/DOM/Text.h>
30#include <LibHTML/Layout/LayoutNode.h>
31
32class LineBoxFragment;
33
34class LayoutText : public LayoutNode {
35public:
36 explicit LayoutText(const Text&);
37 virtual ~LayoutText() override;
38
39 const Text& node() const { return static_cast<const Text&>(*LayoutNode::node()); }
40
41 const String& text_for_style(const StyleProperties&) const;
42 const String& text_for_rendering() const { return m_text_for_rendering; }
43
44 virtual const char* class_name() const override { return "LayoutText"; }
45 virtual bool is_text() const final { return true; }
46
47 void render_fragment(RenderingContext&, const LineBoxFragment&) const;
48
49 virtual void split_into_lines(LayoutBlock& container) override;
50
51 const StyleProperties& style() const { return parent()->style(); }
52
53private:
54 void split_preformatted_into_lines(LayoutBlock& container);
55
56 template<typename Callback>
57 void for_each_word(Callback) const;
58
59 String m_text_for_rendering;
60};
61
62template<>
63inline bool is<LayoutText>(const LayoutNode& node)
64{
65 return node.is_text();
66}