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- /*
- * Copyright (c) 2018-2023, Andreas Kling <kling@serenityos.org>
- * Copyright (c) 2021, the SerenityOS developers.
- * Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
- * Copyright (c) 2023, Srikavin Ramkumar <me@srikavin.me>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <LibWeb/DOM/DocumentLoadEventDelayer.h>
- #include <LibWeb/Fetch/Infrastructure/FetchAlgorithms.h>
- #include <LibWeb/Fetch/Infrastructure/HTTP/Requests.h>
- #include <LibWeb/HTML/CORSSettingAttribute.h>
- #include <LibWeb/HTML/HTMLElement.h>
- #include <LibWeb/Loader/Resource.h>
- namespace Web::HTML {
- class HTMLLinkElement final
- : public HTMLElement
- , public ResourceClient {
- WEB_PLATFORM_OBJECT(HTMLLinkElement, HTMLElement);
- public:
- virtual ~HTMLLinkElement() override;
- virtual void inserted() override;
- DeprecatedString rel() const { return deprecated_attribute(HTML::AttributeNames::rel); }
- DeprecatedString type() const { return deprecated_attribute(HTML::AttributeNames::type); }
- DeprecatedString href() const { return deprecated_attribute(HTML::AttributeNames::href); }
- bool has_loaded_icon() const;
- bool load_favicon_and_use_if_window_is_active();
- private:
- HTMLLinkElement(DOM::Document&, DOM::QualifiedName);
- virtual void initialize(JS::Realm&) override;
- void attribute_changed(DeprecatedFlyString const&, DeprecatedString const&) override;
- // ^ResourceClient
- virtual void resource_did_fail() override;
- virtual void resource_did_load() override;
- // ^ HTMLElement
- virtual void visit_edges(Cell::Visitor&) override;
- struct LinkProcessingOptions {
- // href (default the empty string)
- String href {};
- // destination (default the empty string)
- Optional<Fetch::Infrastructure::Request::Destination> destination {};
- // initiator (default "link")
- Optional<Fetch::Infrastructure::Request::InitiatorType> initiator { Fetch::Infrastructure::Request::InitiatorType::Link };
- // integrity (default the empty string)
- String integrity {};
- // type (default the empty string)
- String type {};
- // cryptographic nonce metadata (default the empty string)
- // A string
- String cryptographic_nonce_metadata {};
- // crossorigin (default No CORS)
- // A CORS settings attribute state
- CORSSettingAttribute crossorigin { CORSSettingAttribute::NoCORS };
- // referrer policy (default the empty string)
- // A referrer policy
- Optional<ReferrerPolicy::ReferrerPolicy> referrer_policy {};
- // FIXME: source set (default null)
- // Null or a source set
- // base URL
- // A URL
- AK::URL base_url;
- // origin
- // An origin
- HTML::Origin origin;
- // environment
- // An environment
- JS::GCPtr<HTML::EnvironmentSettingsObject> environment;
- // policy container
- // A policy container
- HTML::PolicyContainer policy_container;
- // document (default null)
- // Null or a Document
- JS::GCPtr<Web::DOM::Document> document;
- // FIXME: on document ready (default null)
- // Null or an algorithm accepting a Document
- };
- // https://html.spec.whatwg.org/multipage/semantics.html#create-link-options-from-element
- LinkProcessingOptions create_link_options();
- // https://html.spec.whatwg.org/multipage/semantics.html#create-a-link-request
- JS::GCPtr<Fetch::Infrastructure::Request> create_link_request(LinkProcessingOptions const&);
- // https://html.spec.whatwg.org/multipage/semantics.html#linked-resource-fetch-setup-steps
- bool linked_resource_fetch_setup_steps(Fetch::Infrastructure::Request&);
- // https://html.spec.whatwg.org/multipage/links.html#link-type-stylesheet:linked-resource-fetch-setup-steps
- bool stylesheet_linked_resource_fetch_setup_steps(Fetch::Infrastructure::Request&);
- // https://html.spec.whatwg.org/multipage/semantics.html#fetch-and-process-the-linked-resource
- void fetch_and_process_linked_resource();
- // https://html.spec.whatwg.org/multipage/semantics.html#process-the-linked-resource
- void process_linked_resource(bool success, Fetch::Infrastructure::Response const&, Variant<Empty, Fetch::Infrastructure::FetchAlgorithms::ConsumeBodyFailureTag, ByteBuffer>);
- // https://html.spec.whatwg.org/multipage/links.html#link-type-stylesheet:process-the-linked-resource
- void process_stylesheet_resource(bool success, Fetch::Infrastructure::Response const&, Variant<Empty, Fetch::Infrastructure::FetchAlgorithms::ConsumeBodyFailureTag, ByteBuffer>);
- // https://html.spec.whatwg.org/multipage/semantics.html#default-fetch-and-process-the-linked-resource
- void default_fetch_and_process_linked_resource();
- void resource_did_load_favicon();
- struct Relationship {
- enum {
- Alternate = 1 << 0,
- Stylesheet = 1 << 1,
- Preload = 1 << 2,
- DNSPrefetch = 1 << 3,
- Preconnect = 1 << 4,
- Icon = 1 << 5,
- };
- };
- JS::GCPtr<CSS::CSSStyleSheet> m_loaded_style_sheet;
- Optional<DOM::DocumentLoadEventDelayer> m_document_load_event_delayer;
- unsigned m_relationship { 0 };
- };
- }
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