jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <LibCore/Forward.h>
10#include <LibGfx/Forward.h>
11#include <LibWeb/HTML/BrowsingContextContainer.h>
12#include <LibWeb/HTML/FormAssociatedElement.h>
13#include <LibWeb/HTML/HTMLElement.h>
14#include <LibWeb/Loader/ImageLoader.h>
15
16namespace Web::HTML {
17
18class HTMLObjectElement final
19 : public BrowsingContextContainer
20 , public FormAssociatedElement
21 , public ResourceClient {
22 WEB_PLATFORM_OBJECT(HTMLObjectElement, BrowsingContextContainer)
23 FORM_ASSOCIATED_ELEMENT(BrowsingContextContainer, HTMLObjectElement)
24
25 enum class Representation {
26 Unknown,
27 Image,
28 NestedBrowsingContext,
29 Children,
30 };
31
32public:
33 virtual ~HTMLObjectElement() override;
34
35 virtual void parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value) override;
36
37 DeprecatedString data() const;
38 void set_data(DeprecatedString const& data) { MUST(set_attribute(HTML::AttributeNames::data, data)); }
39
40 DeprecatedString type() const { return attribute(HTML::AttributeNames::type); }
41
42 // ^FormAssociatedElement
43 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
44 virtual bool is_listed() const override { return true; }
45
46private:
47 HTMLObjectElement(DOM::Document&, DOM::QualifiedName);
48
49 virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
50
51 virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
52
53 bool has_ancestor_media_element_or_object_element_not_showing_fallback_content() const;
54
55 void queue_element_task_to_run_object_representation_steps();
56 void run_object_representation_handler_steps(Optional<DeprecatedString> resource_type);
57 void run_object_representation_completed_steps(Representation);
58 void run_object_representation_fallback_steps();
59
60 void convert_resource_to_image();
61 void update_layout_and_child_objects(Representation);
62
63 // ^ResourceClient
64 virtual void resource_did_load() override;
65 virtual void resource_did_fail() override;
66
67 // ^DOM::Element
68 virtual i32 default_tab_index_value() const override;
69
70 Representation m_representation { Representation::Unknown };
71 Optional<ImageLoader> m_image_loader;
72};
73
74}