diff options
Diffstat (limited to 'src/components/layout/table_rowgroup.rs')
| -rw-r--r-- | src/components/layout/table_rowgroup.rs | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/src/components/layout/table_rowgroup.rs b/src/components/layout/table_rowgroup.rs deleted file mode 100644 index 48f9d376af3..00000000000 --- a/src/components/layout/table_rowgroup.rs +++ /dev/null @@ -1,208 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -//! CSS table formatting contexts. - -#![deny(unsafe_block)] - -use block::BlockFlow; -use block::ISizeAndMarginsComputer; -use construct::FlowConstructor; -use context::LayoutContext; -use flow::{TableRowGroupFlowClass, FlowClass, Flow, ImmutableFlowUtils}; -use flow; -use fragment::Fragment; -use table::{InternalTable, TableFlow}; -use wrapper::ThreadSafeLayoutNode; - -use servo_util::geometry::Au; -use servo_util::geometry; -use std::fmt; - -/// A table formatting context. -pub struct TableRowGroupFlow { - pub block_flow: BlockFlow, - - /// Column inline-sizes - pub col_inline_sizes: Vec<Au>, - - /// Column min inline-sizes. - pub col_min_inline_sizes: Vec<Au>, - - /// Column pref inline-sizes. - pub col_pref_inline_sizes: Vec<Au>, -} - -impl TableRowGroupFlow { - pub fn from_node_and_fragment(node: &ThreadSafeLayoutNode, - fragment: Fragment) - -> TableRowGroupFlow { - TableRowGroupFlow { - block_flow: BlockFlow::from_node_and_fragment(node, fragment), - col_inline_sizes: vec!(), - col_min_inline_sizes: vec!(), - col_pref_inline_sizes: vec!(), - } - } - - pub fn from_node(constructor: &mut FlowConstructor, - node: &ThreadSafeLayoutNode) - -> TableRowGroupFlow { - TableRowGroupFlow { - block_flow: BlockFlow::from_node(constructor, node), - col_inline_sizes: vec!(), - col_min_inline_sizes: vec!(), - col_pref_inline_sizes: vec!(), - } - } - - pub fn fragment<'a>(&'a mut self) -> &'a Fragment { - &self.block_flow.fragment - } - - fn initialize_offsets(&mut self) -> (Au, Au, Au) { - // TODO: If border-collapse: collapse, block-start_offset, block-end_offset, and inline-start_offset - // should be updated. Currently, they are set as Au(0). - (Au(0), Au(0), Au(0)) - } - - /// Assign block-size for table-rowgroup flow. - /// - /// FIXME(pcwalton): This doesn't handle floats right. - /// - /// 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_rowgroup_base<'a>(&mut self, layout_context: &'a LayoutContext<'a>) { - let (block_start_offset, _, _) = self.initialize_offsets(); - - let mut cur_y = block_start_offset; - - for kid in self.block_flow.base.child_iter() { - kid.assign_block_size_for_inorder_child_if_necessary(layout_context); - - let child_node = flow::mut_base(kid); - child_node.position.start.b = cur_y; - cur_y = cur_y + child_node.position.size.block; - } - - let block_size = cur_y - block_start_offset; - - 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 build_display_list_table_rowgroup(&mut self, layout_context: &LayoutContext) { - debug!("build_display_list_table_rowgroup: same process as block flow"); - self.block_flow.build_display_list_block(layout_context) - } -} - -impl Flow for TableRowGroupFlow { - fn class(&self) -> FlowClass { - TableRowGroupFlowClass - } - - fn as_table_rowgroup<'a>(&'a mut self) -> &'a mut TableRowGroupFlow { - self - } - - fn as_block<'a>(&'a mut self) -> &'a mut BlockFlow { - &mut self.block_flow - } - - fn col_inline_sizes<'a>(&'a mut self) -> &'a mut Vec<Au> { - &mut self.col_inline_sizes - } - - fn col_min_inline_sizes<'a>(&'a self) -> &'a Vec<Au> { - &self.col_min_inline_sizes - } - - fn col_pref_inline_sizes<'a>(&'a self) -> &'a Vec<Au> { - &self.col_pref_inline_sizes - } - - /// Recursively (bottom-up) determines the context's preferred and minimum inline-sizes. When called - /// on this context, all child contexts have had their min/pref inline-sizes set. This function must - /// decide min/pref inline-sizes based on child context inline-sizes and dimensions of any fragments it is - /// responsible for flowing. - /// Min/pref inline-sizes set by this function are used in automatic table layout calculation. - /// Also, this function finds the specified column inline-sizes from the first row. - /// Those are used in fixed table layout calculation - fn bubble_inline_sizes(&mut self, _: &LayoutContext) { - let mut min_inline_size = Au(0); - let mut pref_inline_size = Au(0); - - for kid in self.block_flow.base.child_iter() { - assert!(kid.is_table_row()); - - // calculate min_inline-size & pref_inline-size for automatic table layout calculation - // 'self.col_min_inline-sizes' collects the maximum value of cells' min-inline-sizes for each column. - // 'self.col_pref_inline-sizes' collects the maximum value of cells' pref-inline-sizes for each column. - if self.col_inline_sizes.is_empty() { // First Row - assert!(self.col_min_inline_sizes.is_empty() && self.col_pref_inline_sizes.is_empty()); - // 'self.col_inline-sizes' collects the specified column inline-sizes from the first table-row for fixed table layout calculation. - self.col_inline_sizes = kid.col_inline_sizes().clone(); - self.col_min_inline_sizes = kid.col_min_inline_sizes().clone(); - self.col_pref_inline_sizes = kid.col_pref_inline_sizes().clone(); - } else { - min_inline_size = TableFlow::update_col_inline_sizes(&mut self.col_min_inline_sizes, kid.col_min_inline_sizes()); - pref_inline_size = TableFlow::update_col_inline_sizes(&mut self.col_pref_inline_sizes, kid.col_pref_inline_sizes()); - - // update the number of column inline-sizes from table-rows. - let num_cols = self.col_inline_sizes.len(); - let num_child_cols = kid.col_min_inline_sizes().len(); - for i in range(num_cols, num_child_cols) { - self.col_inline_sizes.push(Au::new(0)); - let new_kid_min = kid.col_min_inline_sizes()[i]; - self.col_min_inline_sizes.push(kid.col_min_inline_sizes()[i]); - let new_kid_pref = kid.col_pref_inline_sizes()[i]; - self.col_pref_inline_sizes.push(kid.col_pref_inline_sizes()[i]); - min_inline_size = min_inline_size + new_kid_min; - pref_inline_size = pref_inline_size + new_kid_pref; - } - } - } - - self.block_flow.base.intrinsic_inline_sizes.minimum_inline_size = min_inline_size; - self.block_flow.base.intrinsic_inline_sizes.preferred_inline_size = geometry::max(min_inline_size, - pref_inline_size); - } - - /// Recursively (top-down) determines the actual inline-size of child contexts and fragments. When - /// called on this context, the context has had its inline-size set by the parent context. - fn assign_inline_sizes(&mut self, ctx: &LayoutContext) { - debug!("assign_inline_sizes({}): assigning inline_size for flow", "table_rowgroup"); - - // The position was set to the containing block by the flow's parent. - let containing_block_inline_size = self.block_flow.base.position.size.inline; - // FIXME: In case of border-collapse: collapse, inline-start_content_edge should be - // the border width on the inline-start side. - let inline_start_content_edge = Au::new(0); - let content_inline_size = containing_block_inline_size; - - let inline_size_computer = InternalTable; - inline_size_computer.compute_used_inline_size(&mut self.block_flow, ctx, containing_block_inline_size); - - self.block_flow.propagate_assigned_inline_size_to_children(inline_start_content_edge, content_inline_size, Some(self.col_inline_sizes.clone())); - } - - fn assign_block_size<'a>(&mut self, ctx: &'a LayoutContext<'a>) { - debug!("assign_block_size: assigning block_size for table_rowgroup"); - self.assign_block_size_table_rowgroup_base(ctx); - } - - fn compute_absolute_position(&mut self) { - self.block_flow.compute_absolute_position() - } -} - -impl fmt::Show for TableRowGroupFlow { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - write!(f, "TableRowGroupFlow: {}", self.block_flow.fragment) - } -} |