28 lines
837 B
Rust
28 lines
837 B
Rust
use crate::messages::prelude::*;
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#[derive(Debug, Clone, Default)]
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pub struct BroadcastMessageHandler {
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listeners: HashMap<BroadcastEvent, Vec<Message>>,
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}
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impl MessageHandler<BroadcastMessage, ()> for BroadcastMessageHandler {
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fn process_message(&mut self, message: BroadcastMessage, responses: &mut VecDeque<Message>, _data: ()) {
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match message {
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// Sub-messages
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BroadcastMessage::TriggerEvent(event) => {
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for message in self.listeners.entry(event).or_default() {
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responses.add_front(message.clone())
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}
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}
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// Messages
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BroadcastMessage::SubscribeEvent { on, send } => self.listeners.entry(on).or_default().push(*send),
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BroadcastMessage::UnsubscribeEvent { on, message } => self.listeners.entry(on).or_default().retain(|msg| *msg != *message),
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}
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}
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fn actions(&self) -> ActionList {
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vec![]
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}
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}
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