verso-reader 0.1.0

A terminal EPUB reader with vim navigation, a Kindle-style library, and Markdown highlight export
Documentation 
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use std::time::{Duration, Instant};

#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum ChromeState {
    Visible,
    Idle,
}

pub struct Chrome {
    idle_after: Duration,
    last_input: Option<Instant>,
}

impl Chrome {
    pub fn new(idle_after: Duration) -> Self {
        Self {
            idle_after,
            last_input: None,
        }
    }
    pub fn touch(&mut self, now: Instant) {
        self.last_input = Some(now);
    }
    pub fn state(&self, now: Instant) -> ChromeState {
        match self.last_input {
            Some(t) if now.saturating_duration_since(t) < self.idle_after => ChromeState::Visible,
            _ => ChromeState::Idle,
        }
    }
}