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style: Deindent some code in matching.rs

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Emilio Cobos Álvarez 2017-11-27 15:13:38 +01:00
parent 3e1ae65e43
commit 3bfe529728
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1 changed files with 66 additions and 64 deletions
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130
components/style/matching.rs
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@ -352,78 +352,80 @@ trait PrivateMatchMethods: TElement {
}
match difference.change {
StyleChange::Unchanged => ChildCascadeRequirement::CanSkipCascade,
StyleChange::Unchanged => {
return ChildCascadeRequirement::CanSkipCascade
},
StyleChange::Changed { reset_only } => {
// If inherited properties changed, the best we can do is
// cascade the children.
if !reset_only {
return ChildCascadeRequirement::MustCascadeChildren
}
let old_display = old_values.get_box().clone_display();
let new_display = new_values.get_box().clone_display();
// If we used to be a display: none element, and no longer are,
// our children need to be restyled because they're unstyled.
//
// NOTE(emilio): Gecko has the special-case of -moz-binding, but
// that gets handled on the frame constructor when processing
// the reframe, so no need to handle that here.
if old_display == display::T::none && old_display != new_display {
return ChildCascadeRequirement::MustCascadeChildren
}
// Blockification of children may depend on our display value,
// so we need to actually do the recascade. We could potentially
// do better, but it doesn't seem worth it.
if old_display.is_item_container() != new_display.is_item_container() {
return ChildCascadeRequirement::MustCascadeChildren
}
// Line break suppression may also be affected if the display
// type changes from ruby to non-ruby.
#[cfg(feature = "gecko")]
{
if old_display.is_ruby_type() != new_display.is_ruby_type() {
return ChildCascadeRequirement::MustCascadeChildren
}
}
// Children with justify-items: auto may depend on our
// justify-items property value.
//
// Similarly, we could potentially do better, but this really
// seems not common enough to care about.
#[cfg(feature = "gecko")]
{
use values::specified::align::AlignFlags;
let old_justify_items =
old_values.get_position().clone_justify_items();
let new_justify_items =
new_values.get_position().clone_justify_items();
let was_legacy_justify_items =
old_justify_items.computed.0.contains(AlignFlags::LEGACY);
let is_legacy_justify_items =
new_justify_items.computed.0.contains(AlignFlags::LEGACY);
if is_legacy_justify_items != was_legacy_justify_items {
return ChildCascadeRequirement::MustCascadeChildren;
}
if was_legacy_justify_items &&
old_justify_items.computed != new_justify_items.computed {
return ChildCascadeRequirement::MustCascadeChildren;
}
}
// We could prove that, if our children don't inherit reset
// properties, we can stop the cascade.
ChildCascadeRequirement::MustCascadeChildrenIfInheritResetStyle
}
}
let old_display = old_values.get_box().clone_display();
let new_display = new_values.get_box().clone_display();
// If we used to be a display: none element, and no longer are,
// our children need to be restyled because they're unstyled.
//
// NOTE(emilio): Gecko has the special-case of -moz-binding, but
// that gets handled on the frame constructor when processing
// the reframe, so no need to handle that here.
if old_display == display::T::none && old_display != new_display {
return ChildCascadeRequirement::MustCascadeChildren
}
// Blockification of children may depend on our display value,
// so we need to actually do the recascade. We could potentially
// do better, but it doesn't seem worth it.
if old_display.is_item_container() != new_display.is_item_container() {
return ChildCascadeRequirement::MustCascadeChildren
}
// Line break suppression may also be affected if the display
// type changes from ruby to non-ruby.
#[cfg(feature = "gecko")]
{
if old_display.is_ruby_type() != new_display.is_ruby_type() {
return ChildCascadeRequirement::MustCascadeChildren
}
}
// Children with justify-items: auto may depend on our
// justify-items property value.
//
// Similarly, we could potentially do better, but this really
// seems not common enough to care about.
#[cfg(feature = "gecko")]
{
use values::specified::align::AlignFlags;
let old_justify_items =
old_values.get_position().clone_justify_items();
let new_justify_items =
new_values.get_position().clone_justify_items();
let was_legacy_justify_items =
old_justify_items.computed.0.contains(AlignFlags::LEGACY);
let is_legacy_justify_items =
new_justify_items.computed.0.contains(AlignFlags::LEGACY);
if is_legacy_justify_items != was_legacy_justify_items {
return ChildCascadeRequirement::MustCascadeChildren;
}
if was_legacy_justify_items &&
old_justify_items.computed != new_justify_items.computed {
return ChildCascadeRequirement::MustCascadeChildren;
}
}
// We could prove that, if our children don't inherit reset
// properties, we can stop the cascade.
ChildCascadeRequirement::MustCascadeChildrenIfInheritResetStyle
}
#[cfg(feature = "servo")]