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use crate::Widget;
pub struct Element<Message, Renderer> {
widget: Box<dyn Descriptor<Message, Renderer>>,
}
impl<Message, Renderer> Element<Message, Renderer> {
pub fn new(widget: impl Descriptor<Message, Renderer> + 'static) -> Self {
Self {
widget: Box::new(widget),
}
}
}
pub trait Descriptor<Message, Renderer> {
fn tag(&self) -> std::any::TypeId;
fn build(&self) -> Box<dyn Widget<Message, Renderer>>;
fn children(&self) -> &[Element<Message, Renderer>];
fn clone(&self) -> Box<dyn Descriptor<Message, Renderer>>;
}
impl<Message, Renderer> Clone for Box<dyn Descriptor<Message, Renderer>> {
fn clone(&self) -> Self {
self.as_ref().clone()
}
}
impl<Message, Renderer> Clone for Element<Message, Renderer> {
fn clone(&self) -> Self {
Element {
widget: self.widget.clone(),
}
}
}
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