Struct CascadeData 

pub struct CascadeData { /* private fields */ }

Data resulting from performing the CSS cascade that is specific to a given origin.

FIXME(emilio): Consider renaming and splitting in CascadeData and InvalidationData? That’d make clear_cascade_data() clearer.

Implementations

impl CascadeData

pub fn new() -> Self

Creates an empty CascadeData.

pub fn rebuild<'a, S>( &mut self, device: &Device, quirks_mode: QuirksMode, collection: SheetCollectionFlusher<'_, S>, guard: &SharedRwLockReadGuard<'_>, difference: &mut CascadeDataDifference, ) -> Result<(), AllocErr>

where S: StylesheetInDocument + PartialEq + 'static,

Rebuild the cascade data from a given SheetCollection, incrementally if possible.

pub fn custom_media_map(&self) -> &CustomMediaMap

Returns the custom media query map.

pub fn invalidation_map(&self) -> &InvalidationMap

Returns the invalidation map.

pub fn relative_selector_invalidation_map(&self) -> &InvalidationMap

Returns the relative selector invalidation map.

pub fn relative_invalidation_map_attributes( &self, ) -> &AdditionalRelativeSelectorInvalidationMap

Returns the relative selector invalidation map data.

pub fn has_state_dependency(&self, state: ElementState) -> bool

Returns whether the given ElementState bit is relied upon by a selector of some rule.

pub fn has_nth_of_custom_state_dependency(&self, state: &AtomIdent) -> bool

Returns whether the given Custom State is relied upon by a selector of some rule in the selector list of :nth-child(… of ).

pub fn has_nth_of_state_dependency(&self, state: ElementState) -> bool

Returns whether the given ElementState bit is relied upon by a selector of some rule in the selector list of :nth-child(… of ).

pub fn might_have_attribute_dependency(&self, local_name: &LocalName) -> bool

Returns whether the given attribute might appear in an attribute selector of some rule.

pub fn might_have_nth_of_id_dependency(&self, id: &Atom) -> bool

Returns whether the given ID might appear in an ID selector in the selector list of :nth-child(… of ).

pub fn might_have_nth_of_class_dependency(&self, class: &Atom) -> bool

Returns whether the given class might appear in a class selector in the selector list of :nth-child(… of ).

pub fn might_have_nth_of_attribute_dependency( &self, local_name: &LocalName, ) -> bool

Returns whether the given attribute might appear in an attribute selector in the selector list of :nth-child(… of ).

pub fn normal_rules( &self, pseudo_elements: &[PseudoElement], ) -> Option<&SelectorMap<Rule>>

Returns the normal rule map for a given pseudo-element.

pub fn featureless_host_rules( &self, pseudo_elements: &[PseudoElement], ) -> Option<&SelectorMap<Rule>>

Returns the featureless pseudo rule map for a given pseudo-element.

pub fn any_featureless_host_rules(&self) -> bool

Whether there’s any featureless rule that could match in this scope.

pub fn slotted_rules( &self, pseudo_elements: &[PseudoElement], ) -> Option<&SelectorMap<Rule>>

Returns the slotted rule map for a given pseudo-element.

pub fn any_slotted_rule(&self) -> bool

Whether there’s any ::slotted rule that could match in this scope.

pub fn part_rules( &self, pseudo_elements: &[PseudoElement], ) -> Option<&PrecomputedHashMap<Atom, SmallVec<[Rule; 1]>>>

Returns the parts rule map for a given pseudo-element.

pub fn any_part_rule(&self) -> bool

Whether there’s any ::part rule that could match in this scope.

pub fn media_feature_affected_matches<S>( &self, stylesheet: &S, guard: &SharedRwLockReadGuard<'_>, device: &Device, quirks_mode: QuirksMode, ) -> bool

where S: StylesheetInDocument + 'static,

Returns whether all the media-feature affected values matched before and match now in the given stylesheet.

pub fn custom_property_registrations( &self, ) -> &LayerOrderedMap<Arc<PropertyRegistration>>

Returns the custom properties map.

Trait Implementations

impl Clone for CascadeData

fn clone(&self) -> CascadeData

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CascadeData

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for CascadeData

fn default() -> Self

Returns the “default value” for a type.

impl MallocSizeOf for CascadeData

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.