yazi-actor 26.1.22

Yazi actor model
Documentation 
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use anyhow::Result;
use yazi_macro::succ;
use yazi_parser::mgr::PeekOpt;
use yazi_proxy::HIDER;
use yazi_shared::data::Data;

use crate::{Actor, Ctx};

pub struct Peek;

impl Actor for Peek {
	type Options = PeekOpt;

	const NAME: &str = "peek";

	fn act(cx: &mut Ctx, opt: Self::Options) -> Result<Data> {
		let Some(hovered) = cx.hovered().cloned() else {
			succ!(cx.tab_mut().preview.reset());
		};
		if HIDER.try_acquire().is_err() {
			succ!(cx.tab_mut().preview.reset_image());
		}

		let mime = cx.mgr.mimetype.owned(&hovered.url).unwrap_or_default();
		let folder = cx.tab().hovered_folder().map(|f| (f.offset, f.cha));

		if !cx.tab().preview.same_url(&hovered.url) {
			cx.tab_mut().preview.skip = folder.map(|f| f.0).unwrap_or_default();
		}
		if !cx.tab().preview.same_file(&hovered, &mime) {
			cx.tab_mut().preview.reset();
		}
		if !cx.tab().preview.same_folder(&hovered.url) {
			cx.tab_mut().preview.folder_lock = None;
		}

		if matches!(opt.only_if, Some(u) if u != hovered.url) {
			succ!();
		}

		if let Some(skip) = opt.skip {
			let preview = &mut cx.tab_mut().preview;
			if opt.upper_bound {
				preview.skip = preview.skip.min(skip);
			} else {
				preview.skip = skip;
			}
		}

		if hovered.is_dir() {
			cx.tab_mut().preview.go_folder(hovered, folder.map(|(_, cha)| cha), mime, opt.force);
		} else {
			cx.tab_mut().preview.go(hovered, mime, opt.force);
		}
		succ!();
	}
}