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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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37
Userland/Libraries/LibWeb/Dump.cpp
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@ -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");