use crate::widget::WidgetId;
use std::{any::Any, sync::mpsc::Sender};
pub type Message = Box<dyn Any + Send + Sync>;
pub type Messages = Vec<Message>;
#[derive(Clone)]
pub struct MessageSender(Sender<(WidgetId, Message)>);
impl MessageSender {
pub fn new(sender: Sender<(WidgetId, Message)>) -> Self {
Self(sender)
}
pub fn write<T>(&self, id: WidgetId, message: T) -> bool
where
T: 'static + Any + Send + Sync,
{
self.0.send((id, Box::new(message))).is_ok()
}
pub fn write_raw(&self, id: WidgetId, message: Message) -> bool {
self.0.send((id, message)).is_ok()
}
pub fn write_raw_all<I>(&self, messages: I)
where
I: IntoIterator<Item = (WidgetId, Message)>,
{
for data in messages {
drop(self.0.send(data));
}
}
}
pub struct Messenger<'a> {
sender: MessageSender,
pub messages: &'a [Message],
}
impl<'a> Messenger<'a> {
pub fn new(sender: MessageSender, messages: &'a [Message]) -> Self {
Self { sender, messages }
}
pub fn write<T>(&self, id: WidgetId, message: T) -> bool
where
T: 'static + Send + Sync,
{
self.sender.write(id, message)
}
pub fn write_raw(&self, id: WidgetId, message: Message) -> bool {
self.sender.write_raw(id, message)
}
pub fn write_raw_all<I>(&self, messages: I)
where
I: IntoIterator<Item = (WidgetId, Message)>,
{
self.sender.write_raw_all(messages);
}
}