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Assign table row block sizes in the parent table or rowgroup

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This commit is contained in:
Manish Goregaokar 2018-02-26 17:08:32 -08:00
parent 2c2f8be1cc
commit 2a0e1cd9c9
4 changed files with 68 additions and 54 deletions
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92
components/layout/table_row.rs
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@ -114,7 +114,7 @@ impl TableRowFlow {
/// inline(always) because this is only ever called by in-order or non-in-order top-level
/// methods
#[inline(always)]
fn assign_block_size_table_row_base(&mut self, layout_context: &LayoutContext) {
pub fn assign_block_size_table_row_base(&mut self, layout_context: &LayoutContext) {
if self.block_flow.base.restyle_damage.contains(ServoRestyleDamage::REFLOW) {
// Per CSS 2.1 § 17.5.3, find max_y = max(computed `block-size`, minimum block-size of
// all cells).
@ -132,15 +132,8 @@ impl TableRowFlow {
}
{
let child_fragment = kid.as_mut_table_cell().fragment();
// TODO: Percentage block-size
let child_specified_block_size =
MaybeAuto::from_style(child_fragment.style().content_block_size(),
Au(0)).specified_or_zero();
max_block_size =
max(max_block_size,
child_specified_block_size +
child_fragment.border_padding.block_start_end());
max(max_block_size, kid.as_mut_table_cell().total_block_size());
}
let child_node = kid.mut_base();
child_node.position.start.b = Au(0);
@ -158,47 +151,51 @@ impl TableRowFlow {
MaybeAuto::Specified(value) => max(value, block_size),
};
// Assign the block-size of own fragment
let mut position = self.block_flow.fragment.border_box;
position.size.block = block_size;
self.block_flow.fragment.border_box = position;
self.block_flow.base.position.size.block = block_size;
// Assign the block-size of kid fragments, which is the same value as own block-size.
for kid in self.block_flow.base.child_iter_mut() {
let child_table_cell = kid.as_mut_table_cell();
{
let kid_fragment = child_table_cell.mut_fragment();
let mut position = kid_fragment.border_box;
position.size.block = block_size;
kid_fragment.border_box = position;
}
// Assign the child's block size.
child_table_cell.block_flow.base.position.size.block = block_size;
// Now we know the cell height, vertical align the cell's children.
child_table_cell.valign_children();
// Write in the size of the relative containing block for children. (This
// information is also needed to handle RTL.)
child_table_cell.block_flow.base.early_absolute_position_info =
EarlyAbsolutePositionInfo {
relative_containing_block_size: self.block_flow
.fragment
.content_box()
.size,
relative_containing_block_mode: self.block_flow
.fragment
.style()
.writing_mode,
};
}
self.assign_block_size_to_self_and_children(block_size);
}
self.block_flow.base.restyle_damage.remove(ServoRestyleDamage::REFLOW_OUT_OF_FLOW | ServoRestyleDamage::REFLOW);
}
pub fn assign_block_size_to_self_and_children(&mut self, block_size: Au) {
// Assign the block-size of kid fragments, which is the same value as own block-size.
for kid in self.block_flow.base.child_iter_mut() {
let child_table_cell = kid.as_mut_table_cell();
{
let kid_fragment = child_table_cell.mut_fragment();
let mut position = kid_fragment.border_box;
position.size.block = block_size;
kid_fragment.border_box = position;
}
// Assign the child's block size.
child_table_cell.block_flow.base.position.size.block = block_size;
// Now we know the cell height, vertical align the cell's children.
child_table_cell.valign_children();
// Write in the size of the relative containing block for children. (This
// information is also needed to handle RTL.)
child_table_cell.block_flow.base.early_absolute_position_info =
EarlyAbsolutePositionInfo {
relative_containing_block_size: self.block_flow
.fragment
.content_box()
.size,
relative_containing_block_mode: self.block_flow
.fragment
.style()
.writing_mode,
};
}
// Assign the block-size of own fragment
let mut position = self.block_flow.fragment.border_box;
position.size.block = block_size;
self.block_flow.fragment.border_box = position;
self.block_flow.base.position.size.block = block_size;
}
pub fn populate_collapsed_border_spacing<'a, I>(
&mut self,
collapsed_inline_direction_border_widths_for_table: &[Au],
@ -449,9 +446,8 @@ impl Flow for TableRowFlow {
})
}
fn assign_block_size(&mut self, layout_context: &LayoutContext) {
debug!("assign_block_size: assigning block_size for table_row");
self.assign_block_size_table_row_base(layout_context);
fn assign_block_size(&mut self, _: &LayoutContext) {
// the surrounding table or rowgroup does this
}
fn compute_stacking_relative_position(&mut self, layout_context: &LayoutContext) {