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LibWeb: Store Repeat values directly in BackgroundRepeatStyleValue

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...as opposed to storing StyleValues, which we have to later check are
IdentifierStyleValues, which store identifiers that we can convert to
Repeat values later. It's fewer allocations, and we can't end up with
invalid values by mistake. :^)
This commit is contained in:
Sam Atkins
2021-11-04 17:38:11 +00:00
committed by Andreas Kling
parent 901a990b1b
commit 891dd46a17
Notes: sideshowbarker 2024-07-18 01:20:34 +09:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/SerenityOS/serenity/commit/891dd46a175
Pull-request: https://github.com/SerenityOS/serenity/pull/10844
Reviewed-by: https://github.com/awesomekling
4 changed files with 47 additions and 50 deletions
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21
Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
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@@ -374,21 +374,6 @@ static CSS::ValueID to_css_value_id(CSS::Overflow value)
VERIFY_NOT_REACHED();
}
static CSS::ValueID to_css_value_id(CSS::Repeat value)
{
switch (value) {
case Repeat::NoRepeat:
return CSS::ValueID::NoRepeat;
case Repeat::Repeat:
return CSS::ValueID::Repeat;
case Repeat::Round:
return CSS::ValueID::Round;
case Repeat::Space:
return CSS::ValueID::Space;
}
VERIFY_NOT_REACHED();
}
static CSS::ValueID to_css_value_id(CSS::ListStyleType value)
{
switch (value) {
@@ -662,8 +647,8 @@ RefPtr<StyleValue> ResolvedCSSStyleDeclaration::style_value_for_property(Layout:
return ColorStyleValue::create(layout_node.computed_values().background_color());
case CSS::PropertyID::BackgroundRepeat:
return BackgroundRepeatStyleValue::create(
IdentifierStyleValue::create(to_css_value_id(layout_node.computed_values().background_repeat().repeat_x)),
IdentifierStyleValue::create(to_css_value_id(layout_node.computed_values().background_repeat().repeat_y)));
layout_node.computed_values().background_repeat().repeat_x,
layout_node.computed_values().background_repeat().repeat_y);
case CSS::PropertyID::Background: {
auto maybe_background_color = property(CSS::PropertyID::BackgroundColor);
auto maybe_background_image = property(CSS::PropertyID::BackgroundImage);
@@ -677,7 +662,7 @@ RefPtr<StyleValue> ResolvedCSSStyleDeclaration::style_value_for_property(Layout:
value_or_default(maybe_background_color, InitialStyleValue::the()),
value_or_default(maybe_background_image, IdentifierStyleValue::create(CSS::ValueID::None)),
value_or_default(maybe_background_position, PositionStyleValue::create(PositionEdge::Left, Length::make_px(0), PositionEdge::Top, Length::make_px(0))),
value_or_default(maybe_background_repeat, BackgroundRepeatStyleValue::create(IdentifierStyleValue::create(CSS::ValueID::Repeat), IdentifierStyleValue::create(CSS::ValueID::Repeat))),
value_or_default(maybe_background_repeat, BackgroundRepeatStyleValue::create(CSS::Repeat::Repeat, CSS::Repeat::Repeat)),
value_or_default(maybe_background_attachment, IdentifierStyleValue::create(CSS::ValueID::Scroll)),
value_or_default(maybe_background_origin, IdentifierStyleValue::create(CSS::ValueID::PaddingBox)),
value_or_default(maybe_background_clip, IdentifierStyleValue::create(CSS::ValueID::BorderBox)));