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Optimization for reloading metadata

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This commit is contained in:
Jeremy Soller 2024-03-20 16:27:00 -06:00
parent 64612b7230
commit d0a2a9262e
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GPG key ID: D02FD439211AF56F
3 changed files with 83 additions and 8 deletions
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42
src/dialog.rs
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@ -33,7 +33,7 @@ use std::{
use crate::{
config::TabConfig,
fl, home_dir,
tab::{self, Location, Tab},
tab::{self, ItemMetadata, Location, Tab},
};
#[derive(Clone, Debug)]
@ -460,8 +460,44 @@ impl Application for App {
for event in events.iter() {
for event_path in event.paths.iter() {
if event_path.starts_with(&path) {
contains_change = true;
break;
match event.kind {
notify::EventKind::Modify(
notify::event::ModifyKind::Metadata(_),
)
| notify::EventKind::Modify(notify::event::ModifyKind::Data(
_,
)) => {
// If metadata or data changed, find the matching item and reload it
//TODO: this could be further optimized by looking at what exactly changed
if let Some(items) = &mut self.tab.items_opt {
for item in items.iter_mut() {
if item.path_opt.as_ref() == Some(event_path) {
//TODO: reload more, like mime types?
match fs::metadata(&event_path) {
Ok(new_metadata) => {
match &mut item.metadata {
ItemMetadata::Path {
metadata,
..
} => *metadata = new_metadata,
_ => {}
}
}
Err(err) => {
log::warn!("failed to reload metadata for {:?}: {}", path, err);
}
}
//TODO item.thumbnail_opt =
}
}
}
}
_ => {
// Any other events reload the whole tab
contains_change = true;
break;
}
}
}
}
}