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Force reflow in the sequential fallback of block format context

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When reflowing a block format context during the inorder traversal,
propagate restyle damage manually to its children since they were
already reflowed.
This commit is contained in:
Pu Xingyu 2017-04-14 23:44:20 +08:00
parent 56435db820
commit 68f74d5cbe
6 changed files with 25 additions and 14 deletions
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19
components/layout/sequential.rs
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@ -14,8 +14,9 @@ use flow::{PostorderFlowTraversal, PreorderFlowTraversal};
use flow::IS_ABSOLUTELY_POSITIONED;
use fragment::FragmentBorderBoxIterator;
use generated_content::ResolveGeneratedContent;
use incremental::RelayoutMode;
use servo_config::opts;
use style::servo::restyle_damage::{REFLOW, STORE_OVERFLOW};
use style::servo::restyle_damage::{REFLOW, REFLOW_OUT_OF_FLOW, STORE_OVERFLOW};
use traversal::{AssignBSizes, AssignISizes, BubbleISizes, BuildDisplayList};
pub use style::sequential::traverse_dom;
@ -38,16 +39,24 @@ pub fn resolve_generated_content(root: &mut Flow, layout_context: &LayoutContext
}
pub fn traverse_flow_tree_preorder(root: &mut Flow,
layout_context: &LayoutContext) {
layout_context: &LayoutContext,
relayout_mode: RelayoutMode) {
fn doit(flow: &mut Flow,
assign_inline_sizes: AssignISizes,
assign_block_sizes: AssignBSizes) {
assign_block_sizes: AssignBSizes,
relayout_mode: RelayoutMode) {
// Force reflow children during this traversal. This is needed when we failed
// the float speculation of a block formatting context and need to fix it.
if relayout_mode == RelayoutMode::Force {
flow::mut_base(flow).restyle_damage.insert(REFLOW_OUT_OF_FLOW | REFLOW);
}
if assign_inline_sizes.should_process(flow) {
assign_inline_sizes.process(flow);
}
for kid in flow::child_iter_mut(flow) {
doit(kid, assign_inline_sizes, assign_block_sizes);
doit(kid, assign_inline_sizes, assign_block_sizes, relayout_mode);
}
if assign_block_sizes.should_process(flow) {
@ -66,7 +75,7 @@ pub fn traverse_flow_tree_preorder(root: &mut Flow,
let assign_inline_sizes = AssignISizes { layout_context: &layout_context };
let assign_block_sizes = AssignBSizes { layout_context: &layout_context };
doit(root, assign_inline_sizes, assign_block_sizes);
doit(root, assign_inline_sizes, assign_block_sizes, relayout_mode);
}
pub fn build_display_list_for_subtree<'a>(flow_root: &mut Flow,