mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-11 01:06:01 +03:00
57dc179b1f
This will make it easier to support both string types at the same time while we convert code, and tracking down remaining uses. One big exception is Value::to_string() in LibJS, where the name is dictated by the ToString AO.
127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
/*
|
|
* Copyright (c) 2019-2022, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/Bindings/CSSStyleSheetPrototype.h>
|
|
#include <LibWeb/Bindings/Intrinsics.h>
|
|
#include <LibWeb/CSS/CSSStyleSheet.h>
|
|
#include <LibWeb/CSS/Parser/Parser.h>
|
|
#include <LibWeb/CSS/StyleSheetList.h>
|
|
#include <LibWeb/DOM/Document.h>
|
|
#include <LibWeb/WebIDL/ExceptionOr.h>
|
|
|
|
namespace Web::CSS {
|
|
|
|
CSSStyleSheet* CSSStyleSheet::create(JS::Realm& realm, CSSRuleList& rules, MediaList& media, Optional<AK::URL> location)
|
|
{
|
|
return realm.heap().allocate<CSSStyleSheet>(realm, realm, rules, media, move(location));
|
|
}
|
|
|
|
CSSStyleSheet::CSSStyleSheet(JS::Realm& realm, CSSRuleList& rules, MediaList& media, Optional<AK::URL> location)
|
|
: StyleSheet(realm, media)
|
|
, m_rules(&rules)
|
|
{
|
|
set_prototype(&Bindings::ensure_web_prototype<Bindings::CSSStyleSheetPrototype>(realm, "CSSStyleSheet"));
|
|
|
|
if (location.has_value())
|
|
set_location(location->to_deprecated_string());
|
|
|
|
for (auto& rule : *m_rules)
|
|
rule.set_parent_style_sheet(this);
|
|
}
|
|
|
|
void CSSStyleSheet::visit_edges(Cell::Visitor& visitor)
|
|
{
|
|
Base::visit_edges(visitor);
|
|
visitor.visit(m_style_sheet_list.ptr());
|
|
visitor.visit(m_rules);
|
|
visitor.visit(m_owner_css_rule);
|
|
}
|
|
|
|
// https://www.w3.org/TR/cssom/#dom-cssstylesheet-insertrule
|
|
WebIDL::ExceptionOr<unsigned> CSSStyleSheet::insert_rule(StringView rule, unsigned index)
|
|
{
|
|
// FIXME: 1. If the origin-clean flag is unset, throw a SecurityError exception.
|
|
|
|
// FIXME: 2. If the disallow modification flag is set, throw a NotAllowedError DOMException.
|
|
|
|
// 3. Let parsed rule be the return value of invoking parse a rule with rule.
|
|
auto parsed_rule = parse_css_rule(CSS::Parser::ParsingContext {}, rule);
|
|
|
|
// 4. If parsed rule is a syntax error, return parsed rule.
|
|
if (!parsed_rule)
|
|
return WebIDL::SyntaxError::create(realm(), "Unable to parse CSS rule.");
|
|
|
|
// FIXME: 5. If parsed rule is an @import rule, and the constructed flag is set, throw a SyntaxError DOMException.
|
|
|
|
// 6. Return the result of invoking insert a CSS rule rule in the CSS rules at index.
|
|
auto result = m_rules->insert_a_css_rule(parsed_rule, index);
|
|
|
|
if (!result.is_exception()) {
|
|
// NOTE: The spec doesn't say where to set the parent style sheet, so we'll do it here.
|
|
parsed_rule->set_parent_style_sheet(this);
|
|
|
|
if (m_style_sheet_list) {
|
|
m_style_sheet_list->document().style_computer().invalidate_rule_cache();
|
|
m_style_sheet_list->document().invalidate_style();
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// https://www.w3.org/TR/cssom/#dom-cssstylesheet-deleterule
|
|
WebIDL::ExceptionOr<void> CSSStyleSheet::delete_rule(unsigned index)
|
|
{
|
|
// FIXME: 1. If the origin-clean flag is unset, throw a SecurityError exception.
|
|
|
|
// FIXME: 2. If the disallow modification flag is set, throw a NotAllowedError DOMException.
|
|
|
|
// 3. Remove a CSS rule in the CSS rules at index.
|
|
auto result = m_rules->remove_a_css_rule(index);
|
|
if (!result.is_exception()) {
|
|
if (m_style_sheet_list) {
|
|
m_style_sheet_list->document().style_computer().invalidate_rule_cache();
|
|
m_style_sheet_list->document().invalidate_style();
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// https://www.w3.org/TR/cssom/#dom-cssstylesheet-removerule
|
|
WebIDL::ExceptionOr<void> CSSStyleSheet::remove_rule(unsigned index)
|
|
{
|
|
// The removeRule(index) method must run the same steps as deleteRule().
|
|
return delete_rule(index);
|
|
}
|
|
|
|
void CSSStyleSheet::for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const
|
|
{
|
|
if (m_media.matches()) {
|
|
m_rules->for_each_effective_style_rule(callback);
|
|
}
|
|
}
|
|
|
|
bool CSSStyleSheet::evaluate_media_queries(HTML::Window const& window)
|
|
{
|
|
bool any_media_queries_changed_match_state = false;
|
|
|
|
bool did_match = m_media.matches();
|
|
bool now_matches = m_media.evaluate(window);
|
|
if (did_match != now_matches)
|
|
any_media_queries_changed_match_state = true;
|
|
if (now_matches && m_rules->evaluate_media_queries(window))
|
|
any_media_queries_changed_match_state = true;
|
|
|
|
return any_media_queries_changed_match_state;
|
|
}
|
|
|
|
void CSSStyleSheet::set_style_sheet_list(Badge<StyleSheetList>, StyleSheetList* list)
|
|
{
|
|
m_style_sheet_list = list;
|
|
}
|
|
|
|
}
|