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LibWeb: Make HTMLLinkElement responsible for its own loading

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This is the last use of CSSLoader, which can now be deleted.
This commit is contained in:
Sam Atkins 2021-11-18 19:22:59 +00:00 • committed by Andreas Kling
parent 6fc1810190
commit 60867703c0
2 changed files with 46 additions and 10 deletions
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43
Userland/Libraries/LibWeb/HTML/HTMLLinkElement.cpp
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@ -1,11 +1,13 @@
/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, the SerenityOS developers.
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/ByteBuffer.h>
#include <AK/Debug.h>
#include <AK/URL.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/DOM/Document.h>
@ -16,11 +18,7 @@ namespace Web::HTML {
HTMLLinkElement::HTMLLinkElement(DOM::Document& document, QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
, m_css_loader(*this)
{
m_css_loader.on_load = [&] {
document.update_style();
};
}
HTMLLinkElement::~HTMLLinkElement()
@ -32,9 +30,11 @@ void HTMLLinkElement::inserted()
HTMLElement::inserted();
if (m_relationship & Relationship::Stylesheet && !(m_relationship & Relationship::Alternate)) {
m_css_loader.load_from_url(document().parse_url(href()));
if (auto sheet = m_css_loader.style_sheet())
document().style_sheets().add_sheet(sheet.release_nonnull());
auto url = document().parse_url(href());
dbgln_if(CSS_LOADER_DEBUG, "HTMLLinkElement: Loading import URL: {}", url);
auto request = LoadRequest::create_for_url_on_page(url, document().page());
set_resource(ResourceLoader::the().load_resource(Resource::Type::Generic, request));
m_document_load_event_delayer.emplace(document());
}
if (m_relationship & Relationship::Preload) {
@ -69,4 +69,33 @@ void HTMLLinkElement::parse_attribute(const FlyString& name, const String& value
}
}
void HTMLLinkElement::resource_did_fail()
{
dbgln_if(CSS_LOADER_DEBUG, "HTMLLinkElement: Resource did fail. URL: {}", resource()->url());
m_document_load_event_delayer.clear();
}
void HTMLLinkElement::resource_did_load()
{
VERIFY(resource());
m_document_load_event_delayer.clear();
if (!resource()->has_encoded_data()) {
dbgln_if(CSS_LOADER_DEBUG, "HTMLLinkElement: Resource did load, no encoded data. URL: {}", resource()->url());
} else {
dbgln_if(CSS_LOADER_DEBUG, "HTMLLinkElement: Resource did load, has encoded data. URL: {}", resource()->url());
}
auto sheet = parse_css(CSS::ParsingContext(document()), resource()->encoded_data());
if (!sheet) {
dbgln_if(CSS_LOADER_DEBUG, "HTMLLinkElement: Failed to parse stylesheet: {}", resource()->url());
return;
}
sheet->set_owner_node(this);
document().style_sheets().add_sheet(sheet.release_nonnull());
}
}