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LibWeb: Move layout box rect helpers into FormattingContext

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These are only used during layout, and always within formatting context
code, so we might as well put them in FormattingContext and avoid having
to pass the LayoutState around all the time.
This commit is contained in:
Andreas Kling 2023-05-31 10:18:34 +02:00
parent 4f08fcde29
commit 42470d837e
10 changed files with 155 additions and 152 deletions
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24
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@ -752,7 +752,7 @@ BlockFormattingContext::DidIntroduceClearance BlockFormattingContext::clear_floa
// First, find the lowest margin box edge on this float side and calculate the Y offset just below it.
CSSPixels clearance_y_in_root = 0;
for (auto const& floating_box : float_side.current_boxes) {
auto floating_box_rect_in_root = margin_box_rect_in_ancestor_coordinate_space(floating_box.box, root(), m_state);
auto floating_box_rect_in_root = margin_box_rect_in_ancestor_coordinate_space(floating_box.box, root());
clearance_y_in_root = max(clearance_y_in_root, floating_box_rect_in_root.bottom());
}
@ -795,7 +795,7 @@ void BlockFormattingContext::place_block_level_element_in_normal_flow_horizontal
if ((!m_left_floats.current_boxes.is_empty() || !m_right_floats.current_boxes.is_empty())
&& creates_block_formatting_context(child_box)) {
auto box_in_root_rect = content_box_rect_in_ancestor_coordinate_space(child_box, root(), m_state);
auto box_in_root_rect = content_box_rect_in_ancestor_coordinate_space(child_box, root());
auto space = space_used_by_floats(box_in_root_rect.y());
available_width_within_containing_block -= space.left + space.right;
x += space.left;
@ -810,10 +810,10 @@ void BlockFormattingContext::place_block_level_element_in_normal_flow_horizontal
box_state.set_content_offset({ x.value(), box_state.offset.y() });
}
static void measure_scrollable_overflow(LayoutState const& state, Box const& box, CSSPixels& bottom_edge, CSSPixels& right_edge)
void BlockFormattingContext::measure_scrollable_overflow(Box const& box, CSSPixels& bottom_edge, CSSPixels& right_edge) const
{
auto const& child_state = state.get(box);
auto child_rect = absolute_content_rect(box, state);
auto const& child_state = m_state.get(box);
auto child_rect = absolute_content_rect(box);
child_rect.inflate(child_state.border_box_top(), child_state.border_box_right(), child_state.border_box_bottom(), child_state.border_box_left());
bottom_edge = max(bottom_edge, child_rect.bottom() - 1);
@ -833,7 +833,7 @@ static void measure_scrollable_overflow(LayoutState const& state, Box const& box
}
} else {
box.for_each_child_of_type<Box>([&](Box const& child) {
measure_scrollable_overflow(state, child, bottom_edge, right_edge);
measure_scrollable_overflow(child, bottom_edge, right_edge);
return IterationDecision::Continue;
});
}
@ -862,7 +862,7 @@ void BlockFormattingContext::layout_viewport(LayoutMode layout_mode, AvailableSp
CSSPixels bottom_edge = 0;
CSSPixels right_edge = 0;
measure_scrollable_overflow(m_state, viewport, bottom_edge, right_edge);
measure_scrollable_overflow(viewport, bottom_edge, right_edge);
if (bottom_edge >= viewport_rect.height() || right_edge >= viewport_rect.width()) {
// FIXME: Move overflow data to LayoutState!
@ -906,7 +906,7 @@ void BlockFormattingContext::layout_floating_box(Box const& box, BlockContainer
offset_from_edge = box_state.content_width() + box_state.margin_box_right();
};
auto box_in_root_rect = content_box_rect_in_ancestor_coordinate_space(box, root(), m_state);
auto box_in_root_rect = content_box_rect_in_ancestor_coordinate_space(box, root());
CSSPixels y_in_root = box_in_root_rect.y();
CSSPixels y = box_state.offset.y();
@ -927,7 +927,7 @@ void BlockFormattingContext::layout_floating_box(Box const& box, BlockContainer
// Walk all currently tracked floats on the side we're floating towards.
// We're looking for the innermost preceding float that intersects vertically with `box`.
for (auto& preceding_float : side_data.current_boxes.in_reverse()) {
auto const preceding_float_rect = margin_box_rect_in_ancestor_coordinate_space(preceding_float.box, root(), m_state);
auto const preceding_float_rect = margin_box_rect_in_ancestor_coordinate_space(preceding_float.box, root());
if (!preceding_float_rect.contains_vertically(y_in_root))
continue;
// We found a preceding float that intersects vertically with the current float.
@ -1060,7 +1060,7 @@ BlockFormattingContext::SpaceUsedByFloats BlockFormattingContext::space_used_by_
auto const& floating_box = *floating_box_ptr;
auto const& floating_box_state = m_state.get(floating_box.box);
// NOTE: The floating box is *not* in the final horizontal position yet, but the size and vertical position is valid.
auto rect = margin_box_rect_in_ancestor_coordinate_space(floating_box.box, root(), m_state);
auto rect = margin_box_rect_in_ancestor_coordinate_space(floating_box.box, root());
if (rect.contains_vertically(y.value())) {
CSSPixels offset_from_containing_block_chain_margins_between_here_and_root = 0;
for (auto const* containing_block = floating_box.box->containing_block(); containing_block && containing_block != &root(); containing_block = containing_block->containing_block()) {
@ -1079,7 +1079,7 @@ BlockFormattingContext::SpaceUsedByFloats BlockFormattingContext::space_used_by_
auto const& floating_box = *floating_box_ptr;
auto const& floating_box_state = m_state.get(floating_box.box);
// NOTE: The floating box is *not* in the final horizontal position yet, but the size and vertical position is valid.
auto rect = margin_box_rect_in_ancestor_coordinate_space(floating_box.box, root(), m_state);
auto rect = margin_box_rect_in_ancestor_coordinate_space(floating_box.box, root());
if (rect.contains_vertically(y.value())) {
CSSPixels offset_from_containing_block_chain_margins_between_here_and_root = 0;
for (auto const* containing_block = floating_box.box->containing_block(); containing_block && containing_block != &root(); containing_block = containing_block->containing_block()) {
@ -1099,7 +1099,7 @@ BlockFormattingContext::SpaceUsedByFloats BlockFormattingContext::space_used_by_
FormattingContext::SpaceUsedByFloats BlockFormattingContext::intrusion_by_floats_into_box(Box const& box, CSSPixels y_in_box) const
{
// NOTE: Floats are relative to the BFC root box, not necessarily the containing block of this IFC.
auto box_in_root_rect = content_box_rect_in_ancestor_coordinate_space(box, root(), m_state);
auto box_in_root_rect = content_box_rect_in_ancestor_coordinate_space(box, root());
CSSPixels y_in_root = box_in_root_rect.y() + y_in_box;
auto space_used_by_floats_in_root = space_used_by_floats(y_in_root);