mirror of
https://github.com/RGBCube/serenity
synced 2025-06-18 07:12:07 +00:00
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Debug.h>
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#include <AK/URL.h>
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#include <LibWeb/CSS/CSSImportRule.h>
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Element.h>
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#include <LibWeb/Loader/CSSLoader.h>
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#include <LibWeb/Loader/ResourceLoader.h>
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namespace Web {
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CSSLoader::CSSLoader(DOM::Element& owner_element)
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: m_owner_element(owner_element)
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{
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}
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void CSSLoader::load_from_text(const String& text)
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{
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m_style_sheet = parse_css(CSS::ParsingContext(m_owner_element.document()), text);
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if (!m_style_sheet) {
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m_style_sheet = CSS::CSSStyleSheet::create({});
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m_style_sheet->set_owner_node(&m_owner_element);
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}
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}
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void CSSLoader::load_from_url(const AK::URL& url)
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{
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m_style_sheet = CSS::CSSStyleSheet::create({});
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m_style_sheet->set_owner_node(&m_owner_element);
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auto request = LoadRequest::create_for_url_on_page(url, m_owner_element.document().page());
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set_resource(ResourceLoader::the().load_resource(Resource::Type::Generic, request));
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m_document_load_event_delayer.emplace(m_owner_element.document());
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}
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void CSSLoader::resource_did_load()
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{
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VERIFY(resource());
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m_document_load_event_delayer.clear();
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if (!resource()->has_encoded_data()) {
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dbgln_if(CSS_LOADER_DEBUG, "CSSLoader: Resource did load, no encoded data. URL: {}", resource()->url());
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} else {
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dbgln_if(CSS_LOADER_DEBUG, "CSSLoader: Resource did load, has encoded data. URL: {}", resource()->url());
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}
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auto sheet = parse_css(CSS::ParsingContext(m_owner_element.document()), resource()->encoded_data());
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if (!sheet) {
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dbgln_if(CSS_LOADER_DEBUG, "CSSLoader: Failed to parse stylesheet: {}", resource()->url());
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return;
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}
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// Transfer the rules from the successfully parsed sheet into the sheet we've already inserted.
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m_style_sheet->set_rules(sheet->rules());
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if (on_load)
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on_load();
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}
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void CSSLoader::resource_did_fail()
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{
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dbgln_if(CSS_LOADER_DEBUG, "CSSLoader: Resource did fail. URL: {}", resource()->url());
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m_document_load_event_delayer.clear();
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}
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}
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