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style: Reindent some code.
MozReview-Commit-ID: H2qucldbBkc Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
This commit is contained in:
Emilio Cobos Álvarez
parent
05371b56eb
commit
deefacc9de
2 changed files with 108 additions and 79 deletions
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@ -394,51 +394,55 @@ trait PrivateMatchMethods: TElement {
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match difference.change {
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StyleChange::Unchanged => ChildCascadeRequirement::CanSkipCascade,
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StyleChange::Changed { reset_only } => {
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if reset_only {
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let old_display = old_values.get_box().clone_display();
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let new_display = new_values.get_box().clone_display();
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if old_display.is_item_container() != new_display.is_item_container() {
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// Blockification of children may depend on our display
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// value, so we need to actually do the recascade.
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return ChildCascadeRequirement::MustCascadeChildren
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}
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#[cfg(feature = "gecko")]
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{
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use values::specified::align;
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// Children with justify-items: legacy may depend on our
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// property value.
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//
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// TODO(emilio): We could special-case this even more
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// creating a new `ChildCascadeRequirement` variant, but
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// it's unclear it matters.
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let old_justify_items =
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old_values.get_position().clone_justify_items();
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let new_justify_items =
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new_values.get_position().clone_justify_items();
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let was_legacy_justify_items =
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old_justify_items.computed.0.contains(align::ALIGN_LEGACY);
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let is_legacy_justify_items =
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new_justify_items.computed.0.contains(align::ALIGN_LEGACY);
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if is_legacy_justify_items != was_legacy_justify_items {
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return ChildCascadeRequirement::MustCascadeChildren;
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}
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if was_legacy_justify_items &&
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old_justify_items.computed != new_justify_items.computed {
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return ChildCascadeRequirement::MustCascadeChildren;
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}
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}
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ChildCascadeRequirement::MustCascadeChildrenIfInheritResetStyle
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} else {
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ChildCascadeRequirement::MustCascadeChildren
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// If inherited properties changed, the best we can do is
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// cascade the children.
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if !reset_only {
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return ChildCascadeRequirement::MustCascadeChildren
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}
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let old_display = old_values.get_box().clone_display();
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let new_display = new_values.get_box().clone_display();
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// Blockification of children may depend on our display value,
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// so we need to actually do the recascade. We could potentially
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// do better, but it doesn't seem worth it.
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if old_display.is_item_container() != new_display.is_item_container() {
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return ChildCascadeRequirement::MustCascadeChildren
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}
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// Children with justify-items: auto may depend on our
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// justify-items property value.
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//
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// Similarly, we could potentially do better, but this really
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// seems not common enough to care about.
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#[cfg(feature = "gecko")]
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{
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use values::specified::align;
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let old_justify_items =
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old_values.get_position().clone_justify_items();
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let new_justify_items =
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new_values.get_position().clone_justify_items();
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let was_legacy_justify_items =
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old_justify_items.computed.0.contains(align::ALIGN_LEGACY);
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let is_legacy_justify_items =
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new_justify_items.computed.0.contains(align::ALIGN_LEGACY);
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if is_legacy_justify_items != was_legacy_justify_items {
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return ChildCascadeRequirement::MustCascadeChildren;
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}
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if was_legacy_justify_items &&
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old_justify_items.computed != new_justify_items.computed {
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return ChildCascadeRequirement::MustCascadeChildren;
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}
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}
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// We could prove that, if our children don't inherit reset
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// properties, we can stop the cascade.
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ChildCascadeRequirement::MustCascadeChildrenIfInheritResetStyle
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}
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}
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}
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@ -50,9 +50,11 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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/// Apply the blockification rules based on the table in CSS 2.2 section 9.7.
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/// https://drafts.csswg.org/css2/visuren.html#dis-pos-flo
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fn blockify_if_necessary(&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags) {
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fn blockify_if_necessary(
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&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags,
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) {
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let mut blockify = false;
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macro_rules! blockify_if {
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($if_what:expr) => {
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@ -80,8 +82,10 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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let blockified_display =
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display.equivalent_block_display(flags.contains(IS_ROOT_ELEMENT));
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if display != blockified_display {
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self.style.mutate_box().set_adjusted_display(blockified_display,
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is_item_or_root);
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self.style.mutate_box().set_adjusted_display(
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blockified_display,
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is_item_or_root,
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);
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}
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}
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@ -165,10 +169,14 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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///
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/// https://lists.w3.org/Archives/Public/www-style/2017Mar/0045.html
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/// https://github.com/servo/servo/issues/15754
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fn adjust_for_writing_mode(&mut self,
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layout_parent_style: &ComputedValues) {
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let our_writing_mode = self.style.get_inheritedbox().clone_writing_mode();
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let parent_writing_mode = layout_parent_style.get_inheritedbox().clone_writing_mode();
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fn adjust_for_writing_mode(
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&mut self,
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layout_parent_style: &ComputedValues,
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) {
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let our_writing_mode =
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self.style.get_inheritedbox().clone_writing_mode();
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let parent_writing_mode =
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layout_parent_style.get_inheritedbox().clone_writing_mode();
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if our_writing_mode != parent_writing_mode &&
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self.style.get_box().clone_display() == display::inline {
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@ -324,9 +332,11 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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/// If a <fieldset> has grid/flex display type, we need to inherit
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/// this type into its ::-moz-fieldset-content anonymous box.
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#[cfg(feature = "gecko")]
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fn adjust_for_fieldset_content(&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags) {
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fn adjust_for_fieldset_content(
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&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags,
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) {
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use properties::IS_FIELDSET_CONTENT;
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if !flags.contains(IS_FIELDSET_CONTENT) {
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return;
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@ -337,8 +347,10 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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// when <fieldset> has "display: contents".
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let parent_display = layout_parent_style.get_box().clone_display();
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let new_display = match parent_display {
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display::flex | display::inline_flex => Some(display::flex),
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display::grid | display::inline_grid => Some(display::grid),
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display::flex |
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display::inline_flex => Some(display::flex),
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display::grid |
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display::inline_grid => Some(display::grid),
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_ => None,
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};
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if let Some(new_display) = new_display {
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@ -355,22 +367,25 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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#[cfg(feature = "gecko")]
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fn adjust_for_table_text_align(&mut self) {
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use properties::longhands::text_align::computed_value::T as text_align;
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if self.style.get_box().clone_display() != display::table {
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return;
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}
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if self.style.get_box().clone_display() != display::table {
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return;
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}
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match self.style.get_inheritedtext().clone_text_align() {
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text_align::_moz_left |
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text_align::_moz_center |
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text_align::_moz_right => {}
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_ => return,
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}
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match self.style.get_inheritedtext().clone_text_align() {
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text_align::_moz_left |
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text_align::_moz_center |
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text_align::_moz_right => {},
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_ => return,
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}
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self.style.mutate_inheritedtext().set_text_align(text_align::start);
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self.style.mutate_inheritedtext().set_text_align(text_align::start)
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}
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/// Set the HAS_TEXT_DECORATION_LINES flag based on parent style.
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fn adjust_for_text_decoration_lines(&mut self, layout_parent_style: &ComputedValues) {
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fn adjust_for_text_decoration_lines(
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&mut self,
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layout_parent_style: &ComputedValues,
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) {
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use properties::computed_value_flags::HAS_TEXT_DECORATION_LINES;
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if layout_parent_style.flags.contains(HAS_TEXT_DECORATION_LINES) ||
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!self.style.get_text().clone_text_decoration_line().is_empty() {
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@ -379,7 +394,10 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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}
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#[cfg(feature = "gecko")]
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fn should_suppress_linebreak(&self, layout_parent_style: &ComputedValues) -> bool {
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fn should_suppress_linebreak(
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&self,
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layout_parent_style: &ComputedValues,
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) -> bool {
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use properties::computed_value_flags::SHOULD_SUPPRESS_LINEBREAK;
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// Line break suppression should only be propagated to in-flow children.
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if self.style.floated() || self.style.out_of_flow_positioned() {
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@ -395,13 +413,15 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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}
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match self.style.get_box().clone_display() {
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// Ruby base and text are always non-breakable.
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display::ruby_base | display::ruby_text => true,
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display::ruby_base |
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display::ruby_text => true,
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// Ruby base container and text container are breakable.
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// Note that, when certain HTML tags, e.g. form controls, have ruby
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// level container display type, they could also escape from the
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// line break suppression flag while they shouldn't. However, it is
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// generally fine since they themselves are non-breakable.
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display::ruby_base_container | display::ruby_text_container => false,
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display::ruby_base_container |
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display::ruby_text_container => false,
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// Anything else is non-breakable if and only if its layout parent
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// has a ruby display type, because any of the ruby boxes can be
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// anonymous.
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@ -415,9 +435,11 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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/// * suppress border and padding for ruby level containers,
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/// * correct unicode-bidi.
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#[cfg(feature = "gecko")]
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fn adjust_for_ruby(&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags) {
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fn adjust_for_ruby(
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&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags,
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) {
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use properties::SKIP_ROOT_AND_ITEM_BASED_DISPLAY_FIXUP;
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use properties::computed_value_flags::SHOULD_SUPPRESS_LINEBREAK;
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use properties::longhands::unicode_bidi::computed_value::T as unicode_bidi;
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@ -447,7 +469,8 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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// per spec https://drafts.csswg.org/css-ruby-1/#bidi
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if self_display.is_ruby_type() {
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let new_value = match self.style.get_text().clone_unicode_bidi() {
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unicode_bidi::normal | unicode_bidi::embed => Some(unicode_bidi::isolate),
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unicode_bidi::normal |
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unicode_bidi::embed => Some(unicode_bidi::isolate),
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unicode_bidi::bidi_override => Some(unicode_bidi::isolate_override),
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_ => None,
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};
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@ -521,9 +544,11 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
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/// When comparing to Gecko, this is similar to the work done by
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/// `nsStyleContext::ApplyStyleFixups`, plus some parts of
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/// `nsStyleSet::GetContext`.
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pub fn adjust(&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags) {
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pub fn adjust(
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&mut self,
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layout_parent_style: &ComputedValues,
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flags: CascadeFlags,
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) {
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self.adjust_for_visited(flags);
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#[cfg(feature = "gecko")]
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{
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