RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-03 00:52:12 +00:00
Code Issues Activity Actions

LibWeb: Partially implement MediaQuery class :^)

Browse source 
The main thing that's missing is the actual matching, but this is enough
to get started.
This commit is contained in:
Sam Atkins 2021-09-27 17:12:33 +01:00 • committed by Andreas Kling
parent b90cc1148a
commit 0a4d9c6d31
4 changed files with 233 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

113
Userland/Libraries/LibWeb/CSS/MediaQuery.cpp Normal file
View file

@ -0,0 +1,113 @@
/*
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/CSS/MediaQuery.h>
namespace Web::CSS {
NonnullRefPtr<MediaQuery> MediaQuery::create_not_all()
{
auto media_query = new MediaQuery;
media_query->m_negated = true;
media_query->m_media_type = MediaType::All;
return adopt_ref(*media_query);
}
String MediaQuery::MediaFeature::to_string() const
{
switch (type) {
case Type::IsTrue:
return name;
case Type::ExactValue:
return String::formatted("{}:{}", name, value->to_string());
case Type::MinValue:
return String::formatted("min-{}:{}", name, value->to_string());
case Type::MaxValue:
return String::formatted("max-{}:{}", name, value->to_string());
}
VERIFY_NOT_REACHED();
}
String MediaQuery::MediaCondition::to_string() const
{
StringBuilder builder;
builder.append('(');
switch (type) {
case Type::Single:
builder.append(feature.to_string());
break;
case Type::Not:
builder.append("not ");
builder.append(conditions.first().to_string());
break;
case Type::And:
builder.join(" and ", conditions);
break;
case Type::Or:
builder.join(" or ", conditions);
break;
}
builder.append(')');
return builder.to_string();
}
String MediaQuery::to_string() const
{
StringBuilder builder;
if (m_negated)
builder.append("not ");
if (m_negated || m_media_type != MediaType::All || !m_media_condition) {
switch (m_media_type) {
case MediaType::All:
builder.append("all");
break;
case MediaType::Aural:
builder.append("aural");
break;
case MediaType::Braille:
builder.append("braille");
break;
case MediaType::Embossed:
builder.append("embossed");
break;
case MediaType::Handheld:
builder.append("handheld");
break;
case MediaType::Print:
builder.append("print");
break;
case MediaType::Projection:
builder.append("projection");
break;
case MediaType::Screen:
builder.append("screen");
break;
case MediaType::Speech:
builder.append("speech");
break;
case MediaType::TTY:
builder.append("tty");
break;
case MediaType::TV:
builder.append("tv");
break;
}
if (m_media_condition)
builder.append(" and ");
}
if (m_media_condition) {
builder.append(m_media_condition->to_string());
}
return builder.to_string();
}
}