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LibWeb: Add CSSMediaRule

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This is the class corresponding to a `@media` rule. It contains a list
of media queries and a list of child css rules.
This commit is contained in:
Sam Atkins 2021-09-29 12:48:04 +01:00 • committed by Andreas Kling
parent 8ac622f056
commit 3e74c194f9
6 changed files with 114 additions and 10 deletions
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1
Userland/Libraries/LibWeb/CMakeLists.txt
View file

@ -17,6 +17,7 @@ set(SOURCES
CSS/CSSConditionRule.cpp
CSS/CSSGroupingRule.cpp
CSS/CSSImportRule.cpp
CSS/CSSMediaRule.cpp
CSS/CSSRule.cpp
CSS/CSSRuleList.cpp
CSS/CSSStyleDeclaration.cpp

31
Userland/Libraries/LibWeb/CSS/CSSMediaRule.cpp Normal file
View file

@ -0,0 +1,31 @@
/*
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/CSSMediaRule.h>
namespace Web::CSS {
CSSMediaRule::CSSMediaRule(NonnullRefPtr<MediaList>&& media, NonnullRefPtrVector<CSSRule>&& rules)
: CSSConditionRule(move(rules))
, m_media(move(media))
{
}
CSSMediaRule::~CSSMediaRule()
{
}
String CSSMediaRule::condition_text() const
{
return m_media->media_text();
}
void CSSMediaRule::set_condition_text(String text)
{
m_media->set_media_text(text);
}
}

45
Userland/Libraries/LibWeb/CSS/CSSMediaRule.h Normal file
View file

@ -0,0 +1,45 @@
/*
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/CSSConditionRule.h>
#include <LibWeb/CSS/MediaList.h>
#include <LibWeb/Forward.h>
namespace Web::CSS {
// https://www.w3.org/TR/css-conditional-3/#the-cssmediarule-interface
class CSSMediaRule final : public CSSConditionRule {
AK_MAKE_NONCOPYABLE(CSSMediaRule);
AK_MAKE_NONMOVABLE(CSSMediaRule);
public:
static NonnullRefPtr<CSSMediaRule> create(NonnullRefPtr<MediaList>&& media_queries, NonnullRefPtrVector<CSSRule>&& rules)
{
return adopt_ref(*new CSSMediaRule(move(media_queries), move(rules)));
}
~CSSMediaRule();
virtual StringView class_name() const override { return "CSSMediaRule"; };
virtual Type type() const override { return Type::Media; };
virtual String condition_text() const override;
virtual void set_condition_text(String) override;
NonnullRefPtr<MediaList> const& media() const { return m_media; }
private:
explicit CSSMediaRule(NonnullRefPtr<MediaList>&&, NonnullRefPtrVector<CSSRule>&&);
NonnullRefPtr<MediaList> m_media;
};
template<>
inline bool CSSRule::fast_is<CSSMediaRule>() const { return type() == CSSRule::Type::Media; }
}

37
Userland/Libraries/LibWeb/Dump.cpp
View file

@ -9,6 +9,7 @@
#include <AK/StringBuilder.h>
#include <AK/Utf8View.h>
#include <LibWeb/CSS/CSSImportRule.h>
#include <LibWeb/CSS/CSSMediaRule.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/CSSStyleRule.h>
#include <LibWeb/CSS/CSSStyleSheet.h>
@ -28,6 +29,12 @@
namespace Web {
static void indent(StringBuilder& builder, int levels)
{
for (int i = 0; i < levels; i++)
builder.append(" ");
}
void dump_tree(DOM::Node const& node)
{
StringBuilder builder;
@ -478,33 +485,51 @@ void dump_rule(CSS::CSSRule const& rule)
dbgln("{}", builder.string_view());
}
void dump_rule(StringBuilder& builder, CSS::CSSRule const& rule)
void dump_rule(StringBuilder& builder, CSS::CSSRule const& rule, int indent_levels)
{
indent(builder, indent_levels);
builder.appendff("{}:\n", rule.class_name());
switch (rule.type()) {
case CSS::CSSRule::Type::Style:
dump_style_rule(builder, verify_cast<CSS::CSSStyleRule const>(rule));
dump_style_rule(builder, verify_cast<CSS::CSSStyleRule const>(rule), indent_levels);
break;
case CSS::CSSRule::Type::Import:
dump_import_rule(builder, verify_cast<CSS::CSSImportRule const>(rule));
dump_import_rule(builder, verify_cast<CSS::CSSImportRule const>(rule), indent_levels);
break;
default:
case CSS::CSSRule::Type::Media:
dump_media_rule(builder, verify_cast<CSS::CSSMediaRule const>(rule), indent_levels);
break;
case CSS::CSSRule::Type::__Count:
VERIFY_NOT_REACHED();
}
}
void dump_import_rule(StringBuilder& builder, CSS::CSSImportRule const& rule)
void dump_import_rule(StringBuilder& builder, CSS::CSSImportRule const& rule, int indent_levels)
{
indent(builder, indent_levels);
builder.appendff(" Document URL: {}\n", rule.url());
}
void dump_style_rule(StringBuilder& builder, CSS::CSSStyleRule const& rule)
void dump_media_rule(StringBuilder& builder, CSS::CSSMediaRule const& media, int indent_levels)
{
indent(builder, indent_levels);
builder.appendff(" Media: {}\n Rules ({}):\n", media.condition_text(), media.css_rules().length());
for (auto& rule : media.css_rules()) {
dump_rule(builder, rule, indent_levels + 1);
}
}
void dump_style_rule(StringBuilder& builder, CSS::CSSStyleRule const& rule, int indent_levels)
{
for (auto& selector : rule.selectors()) {
dump_selector(builder, selector);
}
indent(builder, indent_levels);
builder.append(" Declarations:\n");
for (auto& property : verify_cast<CSS::PropertyOwningCSSStyleDeclaration>(rule.declaration()).properties()) {
indent(builder, indent_levels);
builder.appendff(" {}: '{}'", CSS::string_from_property_id(property.property_id), property.value->to_string());
if (property.important)
builder.append(" \033[31;1m!important\033[0m");

7
Userland/Libraries/LibWeb/Dump.h
View file

@ -18,10 +18,11 @@ void dump_tree(StringBuilder&, Layout::Node const&, bool show_box_model = false,
void dump_tree(Layout::Node const&, bool show_box_model = false, bool show_specified_style = false);
void dump_sheet(StringBuilder&, CSS::StyleSheet const&);
void dump_sheet(CSS::StyleSheet const&);
void dump_rule(StringBuilder&, CSS::CSSRule const&);
void dump_rule(StringBuilder&, CSS::CSSRule const&, int indent_levels = 0);
void dump_rule(CSS::CSSRule const&);
void dump_style_rule(StringBuilder&, CSS::CSSStyleRule const&);
void dump_import_rule(StringBuilder&, CSS::CSSImportRule const&);
void dump_style_rule(StringBuilder&, CSS::CSSStyleRule const&, int indent_levels = 0);
void dump_import_rule(StringBuilder&, CSS::CSSImportRule const&, int indent_levels = 0);
void dump_media_rule(StringBuilder&, CSS::CSSMediaRule const&, int indent_levels = 0);
void dump_selector(StringBuilder&, CSS::Selector const&);
void dump_selector(CSS::Selector const&);

3
Userland/Libraries/LibWeb/Forward.h
View file

@ -19,8 +19,9 @@ class Crypto;
namespace Web::CSS {
class CalculatedStyleValue;
class CSSRule;
class CSSImportRule;
class CSSMediaRule;
class CSSRule;
class CSSStyleDeclaration;
class CSSStyleRule;
class CSSStyleSheet;