RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-18 08:45:06 +00:00
Code Issues Activity Actions

LibWeb: Avoid some redundant resolution of padding values during layout

Browse source 
Padding is not affected by the width constraining algorithm, so we can
just resolve it up front.
This commit is contained in:
Andreas Kling 2020-06-25 12:14:26 +02:00
parent afcfea2001
commit 58f76ed11f
1 changed files with 9 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

24
Libraries/LibWeb/Layout/LayoutBlock.cpp
View file

@ -278,20 +278,17 @@ void LayoutBlock::compute_width_for_absolutely_positioned_block()
auto& containing_block = *this->containing_block();
auto zero_value = Length::make_px(0);
Length margin_left = Length::make_auto();
Length margin_right = Length::make_auto();
auto margin_left = Length::make_auto();
auto margin_right = Length::make_auto();
const auto border_left = style().border_left().width;
const auto border_right = style().border_right().width;
Length padding_left = Length::make_auto();
Length padding_right = Length::make_auto();
const auto padding_left = style().padding().left.resolved(zero_value, *this, containing_block.width());
const auto padding_right = style().padding().right.resolved(zero_value, *this, containing_block.width());
auto try_compute_width = [&](const auto& a_width) {
margin_left = style().margin().left.resolved(zero_value, *this, containing_block.width());
margin_right = style().margin().right.resolved(zero_value, *this, containing_block.width());
padding_left = style().padding().left.resolved(zero_value, *this, containing_block.width());
padding_right = style().padding().right.resolved(zero_value, *this, containing_block.width());
auto left = style().offset().left.resolved_or_auto(*this, containing_block.width());
auto right = style().offset().right.resolved_or_auto(*this, containing_block.width());
auto width = a_width;
@ -420,21 +417,18 @@ void LayoutBlock::compute_width()
if (is_absolutely_positioned())
return compute_width_for_absolutely_positioned_block();
auto& containing_block = *this->containing_block();
auto zero_value = Length::make_px(0);
Length margin_left = Length::make_auto();
Length margin_right = Length::make_auto();
Length padding_left = Length::make_auto();
Length padding_right = Length::make_auto();
auto& containing_block = *this->containing_block();
auto margin_left = Length::make_auto();
auto margin_right = Length::make_auto();
const auto padding_left = style().padding().left.resolved_or_zero(*this, containing_block.width());
const auto padding_right = style().padding().right.resolved_or_zero(*this, containing_block.width());
auto try_compute_width = [&](const auto& a_width) {
Length width = a_width;
margin_left = style().margin().left.resolved_or_zero(*this, containing_block.width());
margin_right = style().margin().right.resolved_or_zero(*this, containing_block.width());
padding_left = style().padding().left.resolved_or_zero(*this, containing_block.width());
padding_right = style().padding().right.resolved_or_zero(*this, containing_block.width());
float total_px = style().border_left().width + style().border_right().width;
for (auto& value : { margin_left, padding_left, width, padding_right, margin_right }) {