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/*
* Copyright (c) 2018-2020, 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 attribute(HTML::AttributeNames::rel); }
DeprecatedString type() const { return attribute(HTML::AttributeNames::type); }
DeprecatedString href() const { return 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 JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
void parse_attribute(DeprecatedFlyString const&, DeprecatedString const&) override;
// ^ResourceClient
virtual void resource_did_fail() override;
virtual void resource_did_load() override;
// ^ HTMLElement
virtual void did_remove_attribute(DeprecatedFlyString const&) override;
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,
};
};
RefPtr<Resource> m_preload_resource;
JS::GCPtr<CSS::CSSStyleSheet> m_loaded_style_sheet;
Optional<DOM::DocumentLoadEventDelayer> m_document_load_event_delayer;
unsigned m_relationship { 0 };
};
}
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