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use crate::view::{IntoBoxedView, View, ViewWrapper};
use std::ops::{Deref, DerefMut};
pub struct BoxedView {
view: Box<dyn View>,
}
impl BoxedView {
pub fn new(view: Box<dyn View>) -> Self {
BoxedView { view }
}
pub fn boxed<T>(view: T) -> Self
where
T: IntoBoxedView,
{
BoxedView::new(view.into_boxed_view())
}
pub fn unwrap(self) -> Box<dyn View> {
self.view
}
}
impl Deref for BoxedView {
type Target = dyn View;
fn deref(&self) -> &dyn View {
&*self.view
}
}
impl DerefMut for BoxedView {
fn deref_mut(&mut self) -> &mut dyn View {
&mut *self.view
}
}
impl ViewWrapper for BoxedView {
type V = dyn View;
fn with_view<F, R>(&self, f: F) -> Option<R>
where
F: FnOnce(&Self::V) -> R,
{
Some(f(&*self.view))
}
fn with_view_mut<F, R>(&mut self, f: F) -> Option<R>
where
F: FnOnce(&mut Self::V) -> R,
{
Some(f(&mut *self.view))
}
}