ceb055a75e
If we try loading a link element but it's reject for whatever reason (broken URL, content filtering, etc.) make sure we don't mark that link element as delaying the document load event.
105 lines
3.9 KiB
C++
105 lines
3.9 KiB
C++
/*
|
|
* 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>
|
|
#include <LibWeb/HTML/HTMLLinkElement.h>
|
|
#include <LibWeb/Loader/ResourceLoader.h>
|
|
|
|
namespace Web::HTML {
|
|
|
|
HTMLLinkElement::HTMLLinkElement(DOM::Document& document, DOM::QualifiedName qualified_name)
|
|
: HTMLElement(document, move(qualified_name))
|
|
{
|
|
}
|
|
|
|
HTMLLinkElement::~HTMLLinkElement() = default;
|
|
|
|
void HTMLLinkElement::inserted()
|
|
{
|
|
HTMLElement::inserted();
|
|
|
|
if (m_relationship & Relationship::Stylesheet && !(m_relationship & Relationship::Alternate)) {
|
|
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());
|
|
// NOTE: Mark this element as delaying the document load event *before* calling set_resource()
|
|
// as it may trigger a synchronous resource_did_load() callback.
|
|
m_document_load_event_delayer.emplace(document());
|
|
set_resource(ResourceLoader::the().load_resource(Resource::Type::Generic, request));
|
|
|
|
// NOTE: If we ended up not loading a resource for whatever reason, don't delay the load event.
|
|
if (!resource())
|
|
m_document_load_event_delayer.clear();
|
|
}
|
|
|
|
if (m_relationship & Relationship::Preload) {
|
|
// FIXME: Respect the "as" attribute.
|
|
LoadRequest request;
|
|
request.set_url(document().parse_url(attribute(HTML::AttributeNames::href)));
|
|
m_preload_resource = ResourceLoader::the().load_resource(Resource::Type::Generic, request);
|
|
} else if (m_relationship & Relationship::DNSPrefetch) {
|
|
ResourceLoader::the().prefetch_dns(document().parse_url(attribute(HTML::AttributeNames::href)));
|
|
} else if (m_relationship & Relationship::Preconnect) {
|
|
ResourceLoader::the().preconnect(document().parse_url(attribute(HTML::AttributeNames::href)));
|
|
}
|
|
}
|
|
|
|
void HTMLLinkElement::parse_attribute(const FlyString& name, const String& value)
|
|
{
|
|
if (name == HTML::AttributeNames::rel) {
|
|
m_relationship = 0;
|
|
auto parts = value.split_view(' ');
|
|
for (auto& part : parts) {
|
|
if (part == "stylesheet"sv)
|
|
m_relationship |= Relationship::Stylesheet;
|
|
else if (part == "alternate"sv)
|
|
m_relationship |= Relationship::Alternate;
|
|
else if (part == "preload"sv)
|
|
m_relationship |= Relationship::Preload;
|
|
else if (part == "dns-prefetch"sv)
|
|
m_relationship |= Relationship::DNSPrefetch;
|
|
else if (part == "preconnect"sv)
|
|
m_relationship |= Relationship::Preconnect;
|
|
}
|
|
}
|
|
}
|
|
|
|
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()->url()), 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());
|
|
}
|
|
|
|
}
|