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https://github.com/servo/servo.git
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2d72f00ccf
Instead of looking at the display tree, have ContentBox(es)Query consult the flow tree. This allow optimizing away parts of the display tree later. To do this we need to be more careful about how we send reflow requests, only querying the flow tree when possible. Fixes #3790.
93 lines
2.8 KiB
Rust
93 lines
2.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! CSS table formatting contexts.
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#![deny(unsafe_block)]
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use block::BlockFlow;
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use construct::FlowConstructor;
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use context::LayoutContext;
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use flow::{TableCaptionFlowClass, FlowClass, Flow};
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use fragment::FragmentBoundsIterator;
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use wrapper::ThreadSafeLayoutNode;
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use servo_util::geometry::Au;
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use std::fmt;
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use style::ComputedValues;
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use sync::Arc;
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/// A table formatting context.
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pub struct TableCaptionFlow {
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pub block_flow: BlockFlow,
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}
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impl TableCaptionFlow {
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pub fn from_node(constructor: &mut FlowConstructor,
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node: &ThreadSafeLayoutNode)
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-> TableCaptionFlow {
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TableCaptionFlow {
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block_flow: BlockFlow::from_node(constructor, node)
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}
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}
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}
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impl Flow for TableCaptionFlow {
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fn class(&self) -> FlowClass {
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TableCaptionFlowClass
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}
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fn as_table_caption<'a>(&'a mut self) -> &'a mut TableCaptionFlow {
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self
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}
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fn as_block<'a>(&'a mut self) -> &'a mut BlockFlow {
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&mut self.block_flow
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}
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fn bubble_inline_sizes(&mut self) {
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self.block_flow.bubble_inline_sizes();
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}
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fn assign_inline_sizes(&mut self, ctx: &LayoutContext) {
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debug!("assign_inline_sizes({}): assigning inline_size for flow", "table_caption");
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self.block_flow.assign_inline_sizes(ctx);
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}
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fn assign_block_size<'a>(&mut self, ctx: &'a LayoutContext<'a>) {
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debug!("assign_block_size: assigning block_size for table_caption");
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self.block_flow.assign_block_size(ctx);
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}
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fn compute_absolute_position(&mut self) {
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self.block_flow.compute_absolute_position()
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}
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fn update_late_computed_inline_position_if_necessary(&mut self, inline_position: Au) {
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self.block_flow.update_late_computed_inline_position_if_necessary(inline_position)
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}
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fn update_late_computed_block_position_if_necessary(&mut self, block_position: Au) {
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self.block_flow.update_late_computed_block_position_if_necessary(block_position)
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}
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fn build_display_list(&mut self, layout_context: &LayoutContext) {
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debug!("build_display_list_table_caption: same process as block flow");
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self.block_flow.build_display_list(layout_context)
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}
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fn repair_style(&mut self, new_style: &Arc<ComputedValues>) {
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self.block_flow.repair_style(new_style)
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}
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fn iterate_through_fragment_bounds(&self, iterator: &mut FragmentBoundsIterator) {
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self.iterate_through_fragment_bounds(iterator);
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}
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}
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impl fmt::Show for TableCaptionFlow {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "TableCaptionFlow: {}", self.block_flow)
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}
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}
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