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LibWeb: Compute value for content property

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Sam Atkins 2022-02-24 16:52:58 +00:00 • committed by Andreas Kling
parent 7eb7396f8b
commit 1de0ca3286
4 changed files with 71 additions and 0 deletions
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53
Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
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@ -538,6 +538,59 @@ Optional<CSS::Clear> StyleProperties::clear() const
}
}
CSS::ContentData StyleProperties::content() const
{
auto maybe_value = property(CSS::PropertyID::Content);
if (!maybe_value.has_value())
return CSS::ContentData {};
auto& value = maybe_value.value();
if (value->is_content()) {
auto& content_style_value = value->as_content();
CSS::ContentData content_data;
// FIXME: The content is a list of things: strings, identifiers or functions that return strings, and images.
// So it can't always be represented as a single String, but may have to be multiple boxes.
// For now, we'll just assume strings since that is easiest.
StringBuilder builder;
for (auto const& item : content_style_value.content().values()) {
if (item.is_string()) {
builder.append(item.to_string());
} else {
// TODO: Implement quotes, counters, images, and other things.
}
}
content_data.type = ContentData::Type::String;
content_data.data = builder.to_string();
if (content_style_value.has_alt_text()) {
StringBuilder alt_text_builder;
for (auto const& item : content_style_value.alt_text()->values()) {
if (item.is_string()) {
alt_text_builder.append(item.to_string());
} else {
// TODO: Implement counters
}
}
content_data.alt_text = alt_text_builder.to_string();
}
return content_data;
}
switch (value->to_identifier()) {
case ValueID::None:
return { ContentData::Type::None };
case ValueID::Normal:
return { ContentData::Type::Normal };
default:
break;
}
return CSS::ContentData {};
}
Optional<CSS::Cursor> StyleProperties::cursor() const
{
auto value = property(CSS::PropertyID::Cursor);