jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2022, Andrew Kaster <akaster@serenityos.org>
3 * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#include <LibJS/Heap/Heap.h>
9#include <LibJS/Runtime/Realm.h>
10#include <LibWeb/Bindings/Intrinsics.h>
11#include <LibWeb/HTML/Navigator.h>
12#include <LibWeb/HTML/Scripting/Environments.h>
13#include <LibWeb/HTML/Window.h>
14#include <LibWeb/Page/Page.h>
15
16namespace Web::HTML {
17
18WebIDL::ExceptionOr<JS::NonnullGCPtr<Navigator>> Navigator::create(JS::Realm& realm)
19{
20 return MUST_OR_THROW_OOM(realm.heap().allocate<Navigator>(realm, realm));
21}
22
23Navigator::Navigator(JS::Realm& realm)
24 : PlatformObject(realm)
25{
26}
27
28Navigator::~Navigator() = default;
29
30JS::ThrowCompletionOr<void> Navigator::initialize(JS::Realm& realm)
31{
32 MUST_OR_THROW_OOM(Base::initialize(realm));
33 set_prototype(&Bindings::ensure_web_prototype<Bindings::NavigatorPrototype>(realm, "Navigator"));
34
35 return {};
36}
37
38// https://html.spec.whatwg.org/multipage/system-state.html#dom-navigator-pdfviewerenabled
39bool Navigator::pdf_viewer_enabled() const
40{
41 // The NavigatorPlugins mixin's pdfViewerEnabled getter steps are to return the user agent's PDF viewer supported.
42 // NOTE: The NavigatorPlugins mixin should only be exposed on the Window object.
43 auto const& window = verify_cast<HTML::Window>(HTML::current_global_object());
44 return window.page()->pdf_viewer_supported();
45}
46
47// https://w3c.github.io/webdriver/#dfn-webdriver
48bool Navigator::webdriver() const
49{
50 // Returns true if webdriver-active flag is set, false otherwise.
51
52 // NOTE: The NavigatorAutomationInformation interface should not be exposed on WorkerNavigator.
53 auto const& window = verify_cast<HTML::Window>(HTML::current_global_object());
54 return window.page()->is_webdriver_active();
55}
56
57void Navigator::visit_edges(Cell::Visitor& visitor)
58{
59 Base::visit_edges(visitor);
60 visitor.visit(m_mime_type_array);
61 visitor.visit(m_plugin_array);
62}
63
64JS::ThrowCompletionOr<JS::NonnullGCPtr<MimeTypeArray>> Navigator::mime_types()
65{
66 if (!m_mime_type_array)
67 m_mime_type_array = TRY(heap().allocate<MimeTypeArray>(realm(), realm()));
68 return *m_mime_type_array;
69}
70
71JS::ThrowCompletionOr<JS::NonnullGCPtr<PluginArray>> Navigator::plugins()
72{
73 if (!m_plugin_array)
74 m_plugin_array = TRY(heap().allocate<PluginArray>(realm(), realm()));
75 return *m_plugin_array;
76}
77
78}