Struct CustomNodeContext 

pub struct CustomNodeContext<'a> {
    pub tag: &'a str,
    pub media_source: Option<&'a str>,
    pub container_style: &'a ContainerStyle,
    pub text_style: &'a TextStyle,
    pub measurer: Arc<dyn TextMeasurer>,
    pub images: &'a HashMap<String, Image>,
    pub audio: &'a HashMap<String, Arc<[u8]>>,
    pub get_attr: &'a dyn Fn(&str) -> Option<String>,
    pub write_back: Option<(DomWriteBack, u32)>,
    pub dom_snapshot: &'a DomSnapshot,
    pub dom_id: NodeId,
}

Context handed to a CustomNodeFactory to construct a component.

Fields

tag: &'a str

The HTML tag name (e.g. "button").

media_source: Option<&'a str>

Inner text of the element, if any.

container_style: &'a ContainerStyle

Resolved container style (background, border, …).

text_style: &'a TextStyle

Inherited text style.

measurer: Arc<dyn TextMeasurer>

Text measurer for text-heavy components.

images: &'a HashMap<String, Image>

Decoded images keyed by src URL.

audio: &'a HashMap<String, Arc<[u8]>>

Encoded audio bytes keyed by src URL.

get_attr: &'a dyn Fn(&str) -> Option<String>

Attribute accessor.

write_back: Option<(DomWriteBack, u32)>

Channel + snapshot node id for value write-back (bidirectional sync).

dom_snapshot: &'a DomSnapshot

Dom snapshot.

dom_id: NodeId

The node id.