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LibWeb: Add BlockFormattingContext::root()

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The CSS spec uses the name "block formatting context root" when talking
about a box that establishes a BFC. So let's call it BFC::root() in our
code as well, instead of the less specific BFC::context_box().
This commit is contained in:
Andreas Kling 2021-10-06 19:47:10 +02:00
parent bce3bf9f1e
commit 5408913b22
2 changed files with 17 additions and 12 deletions
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24
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@ -17,8 +17,8 @@
namespace Web::Layout {
BlockFormattingContext::BlockFormattingContext(Box& context_box, FormattingContext* parent)
: FormattingContext(context_box, parent)
BlockFormattingContext::BlockFormattingContext(Box& root, FormattingContext* parent)
: FormattingContext(root, parent)
{
}
@ -28,7 +28,7 @@ BlockFormattingContext::~BlockFormattingContext()
bool BlockFormattingContext::is_initial() const
{
return is<InitialContainingBlock>(context_box());
return is<InitialContainingBlock>(root());
}
void BlockFormattingContext::run(Box& box, LayoutMode layout_mode)
@ -564,14 +564,14 @@ void BlockFormattingContext::place_block_level_non_replaced_element_in_normal_fl
void BlockFormattingContext::layout_initial_containing_block(LayoutMode layout_mode)
{
auto viewport_rect = context_box().browsing_context().viewport_rect();
auto viewport_rect = root().browsing_context().viewport_rect();
auto& icb = verify_cast<Layout::InitialContainingBlock>(context_box());
auto& icb = verify_cast<Layout::InitialContainingBlock>(root());
icb.build_stacking_context_tree();
icb.set_width(viewport_rect.width());
layout_block_level_children(context_box(), layout_mode);
layout_block_level_children(root(), layout_mode);
VERIFY(!icb.children_are_inline());
@ -614,15 +614,15 @@ void BlockFormattingContext::layout_floating_child(Box& box, Box& containing_blo
// Then we float it to the left or right.
float x = box.effective_offset().x();
auto box_in_context_rect = rect_in_coordinate_space(box, context_box());
float y_in_context_box = box_in_context_rect.y();
auto box_in_root_rect = rect_in_coordinate_space(box, root());
float y_in_root = box_in_root_rect.y();
// Next, float to the left and/or right
if (box.computed_values().float_() == CSS::Float::Left) {
if (!m_left_floating_boxes.is_empty()) {
auto& previous_floating_box = *m_left_floating_boxes.last();
auto previous_rect = rect_in_coordinate_space(previous_floating_box, context_box());
if (previous_rect.contains_vertically(y_in_context_box)) {
auto previous_rect = rect_in_coordinate_space(previous_floating_box, root());
if (previous_rect.contains_vertically(y_in_root)) {
// This box touches another already floating box. Stack to the right.
x = previous_floating_box.margin_box_as_relative_rect().x() + previous_floating_box.margin_box_as_relative_rect().width() + box.box_model().margin_box().left;
} else {
@ -639,8 +639,8 @@ void BlockFormattingContext::layout_floating_child(Box& box, Box& containing_blo
} else if (box.computed_values().float_() == CSS::Float::Right) {
if (!m_right_floating_boxes.is_empty()) {
auto& previous_floating_box = *m_right_floating_boxes.last();
auto previous_rect = rect_in_coordinate_space(previous_floating_box, context_box());
if (previous_rect.contains_vertically(y_in_context_box)) {
auto previous_rect = rect_in_coordinate_space(previous_floating_box, root());
if (previous_rect.contains_vertically(y_in_root)) {
// This box touches another already floating box. Stack to the left.
x = previous_floating_box.margin_box_as_relative_rect().x() - box.box_model().margin_box().right - box.width();
} else {