summaryrefslogtreecommitdiff
path: root/Libraries/LibWeb/DOM/Element.h
blob: b99edfd74edbf73294c1e6ee5d9d4ae9340d4b01 (plain)
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * 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.
 *
 * 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 <AK/FlyString.h>
#include <AK/String.h>
#include <LibWeb/DOM/Attribute.h>
#include <LibWeb/DOM/AttributeNames.h>
#include <LibWeb/DOM/ParentNode.h>
#include <LibWeb/DOM/TagNames.h>
#include <LibWeb/Layout/LayoutNode.h>

namespace Web {

class LayoutNodeWithStyle;

class Element : public ParentNode {
public:
    using WrapperType = Bindings::ElementWrapper;

    Element(Document&, const FlyString& local_name);
    virtual ~Element() override;

    virtual FlyString node_name() const final { return m_tag_name; }
    const FlyString& local_name() const { return m_tag_name; }

    // NOTE: This is for the JS bindings
    const FlyString& tag_name() const { return local_name(); }

    bool has_attribute(const FlyString& name) const { return !attribute(name).is_null(); }
    String attribute(const FlyString& name) const;
    String get_attribute(const FlyString& name) const { return attribute(name); }
    void set_attribute(const FlyString& name, const String& value);

    void set_attributes(Vector<Attribute>&&);

    template<typename Callback>
    void for_each_attribute(Callback callback) const
    {
        for (auto& attribute : m_attributes)
            callback(attribute.name(), attribute.value());
    }

    bool has_class(const FlyString&) const;
    const Vector<FlyString>& class_names() const { return m_classes; }

    virtual void apply_presentational_hints(StyleProperties&) const { }
    virtual void parse_attribute(const FlyString& name, const String& value);

    void recompute_style();

    LayoutNodeWithStyle* layout_node() { return static_cast<LayoutNodeWithStyle*>(Node::layout_node()); }
    const LayoutNodeWithStyle* layout_node() const { return static_cast<const LayoutNodeWithStyle*>(Node::layout_node()); }

    String name() const { return attribute(HTML::AttributeNames::name); }

    const StyleProperties* resolved_style() const { return m_resolved_style.ptr(); }
    NonnullRefPtr<StyleProperties> computed_style();

    String inner_html() const;
    void set_inner_html(StringView);

    String id() const { return attribute(HTML::AttributeNames::id); }
    void set_id(const String& value) { set_attribute(HTML::AttributeNames::id, value); }

    String class_name() const { return attribute(HTML::AttributeNames::class_); }
    void set_class_name(const String& value) { set_attribute(HTML::AttributeNames::class_, value); }

protected:
    RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) override;

private:
    Attribute* find_attribute(const FlyString& name);
    const Attribute* find_attribute(const FlyString& name) const;

    FlyString m_tag_name;
    Vector<Attribute> m_attributes;

    RefPtr<StyleProperties> m_resolved_style;

    Vector<FlyString> m_classes;
};

template<>
inline bool is<Element>(const Node& node)
{
    return node.is_element();
}

}