Struct StyleSheetGroup

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pub struct StyleSheetGroup { /* private fields */ }

Expand description

A group of ordered style sheets.

Implementations§

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impl StyleSheetGroup

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pub fn new() -> Self

Create an empty group.

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pub fn len(&self) -> u16

Get the count of style sheets.

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pub fn is_empty(&self) -> bool

Return true if the group is empty.

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pub fn append(&mut self, sheet: LinkedStyleSheet) -> u16

Append a style sheet, returning its index.

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pub fn replace(&mut self, index: u16, sheet: LinkedStyleSheet)

Replace a style sheet by its index.

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pub fn append_from_resource( &mut self, res: &StyleSheetResource, path: &str, scope: Option<NonZeroUsize>, ) -> u16

Append a style sheet from the resource, returning its index.

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pub fn append_from_resource_with_warnings( &mut self, res: &StyleSheetResource, path: &str, scope: Option<NonZeroUsize>, ) -> (u16, Vec<Warning>)

Append a style sheet from the resource, returning its index and warnings like @import not found.

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pub fn replace_from_resource( &mut self, index: u16, res: &StyleSheetResource, path: &str, scope: Option<NonZeroUsize>, )

Replace a style sheet from the resource by its index.

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pub fn clear(&mut self)

Remove all style sheets.

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pub fn style_sheet(&self, sheet_index: u16) -> Option<&LinkedStyleSheet>

Get style sheet by index.

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pub fn get_font_face(&self, sheet_index: u16) -> Option<Vec<Rc<FontFace>>>

Get font-face by sheet index.

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pub fn get_rule(&self, sheet_index: u16, rule_index: u32) -> Option<Rc<Rule>>

Get a rule by index.

If sheet index is TEMP_SHEET_INDEX then the temporary style sheet will be used.

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pub fn add_rule(&mut self, rule: Box<Rule>) -> u32

Add a rule to the temporary style sheet.

The temporary style sheet is a style sheet which has the highest priority and no scope limits. The rule_index is returned. Re-query is needed when the style sheet is updated. Generally it is used for debugging.

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pub fn replace_rule( &mut self, sheet_index: u16, rule_index: u32, rule: Box<Rule>, ) -> Result<Rc<Rule>, Box<Rule>>

Replace an existing rule with the new rule.

The existing rule is returned if success. If sheet index is TEMP_SHEET_INDEX then the temporary style sheet will be used. Re-query is needed when the style sheet is updated. Generally it is used for debugging.

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pub fn query_single<L: LengthNum, T: StyleNode>( &self, query: T, media_query_status: &MediaQueryStatus<L>, node_properties: &mut NodeProperties, )

Query a single node selector (usually for testing only).

Note that the font size and em values will be converted to px values.

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pub fn for_each_matched_rule<L: LengthNum, T: StyleNode>( &self, query: &[T], media_query_status: &MediaQueryStatus<L>, f: impl FnMut(MatchedRuleRef<'_>, Option<&LinkedStyleSheet>), )

Find rules that matches the query.

The query is a &[StyleQuery] which means all selector information of the ancestors and the node itself.

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pub fn query_matched_rules<L: LengthNum, T: StyleNode>( &self, query: &[T], media_query_status: &MediaQueryStatus<L>, ) -> MatchedRuleList

Get a rule list that matches the query.

The query is a &[StyleQuery] which means all selector information of the ancestors and the node itself.

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pub fn query_ancestor_path<L: LengthNum, T: StyleNode>( &self, query: &[T], media_query_status: &MediaQueryStatus<L>, node_properties: &mut NodeProperties, parent_node_properties: Option<&NodeProperties>, )

Query a node in tree ancestor path.

The query is a &[StyleQuery] which means all selector information of the ancestors and the node itself. Note that the font size and em values will be converted to px values.

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