Struct pax_core::runtime::StackFrame

pub struct StackFrame<R: 'static + RenderContext> { /* private fields */ }

Data structure for a single frame of our runtime stack, including a reference to its parent frame, a list of adoptees for prospective [Slot] consumption, and properties for runtime evaluation, e.g. of Expressions. StackFrames also track timeline playhead position.

Components push StackFrames when mounting and pop them when unmounting, thus providing a hierarchical store of node-relevant data that can be bound to symbols, e.g. in expressions. Note that RepeatItems also push StackFrames, because RepeatItem uses a Component internally.

Implementations

impl<R: 'static + RenderContext> StackFrame<R>

pub fn new( adoptees: RenderNodePtrList<R>, properties: Rc<RefCell<PropertiesCoproduct>>, parent: Option<Weak<RefCell<StackFrame<R>>>>, timeline: Option<Rc<RefCell<Timeline>>> ) -> Self

pub fn get_timeline_playhead_position(&self) -> usize

pub fn peek_nth(&self, n: isize) -> Option<Rc<RefCell<StackFrame<R>>>>

pub fn get_properties(&self) -> Rc<RefCell<PropertiesCoproduct>>

pub fn get_unflattened_adoptees(&self) -> RenderNodePtrList<R>

pub fn nth_adoptee(&self, n: usize) -> Option<RenderNodePtr<R>>

pub fn has_adoptees(&self) -> bool