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perf: get image dimensions from background thread

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This caused the tab subscription to block the tokio executor.
Instead store the image dimensions in the `Item`, which is
created on a background thread.
This commit is contained in:
Michael Aaron Murphy 2026-04-14 16:23:10 +02:00
parent bb15f30fe5
commit 93dd775f3c
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GPG key ID: B2732D4240C9212C
2 changed files with 13 additions and 3 deletions
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1
src/mounter/gvfs.rs
View file

@ -199,6 +199,7 @@ fn network_scan(uri: &str, sizes: IconSizes) -> Result<Vec<tab::Item>, String> {
metadata,
hidden,
location_opt: Some(location),
image_dimensions: None,
mime,
icon_handle_grid,
icon_handle_list,

15
src/tab.rs
View file

@ -708,6 +708,9 @@ pub fn item_from_gvfs_info(path: PathBuf, file_info: gio::FileInfo, sizes: IconS
children_opt,
},
hidden,
image_dimensions: (!remote && mime.type_() == mime::IMAGE)
.then(|| image::image_dimensions(&path).ok())
.flatten(),
location_opt: Some(Location::Path(path)),
mime,
icon_handle_grid,
@ -843,6 +846,7 @@ pub fn item_from_entry(
},
hidden,
location_opt: Some(Location::Path(path)),
image_dimensions: None,
mime,
icon_handle_grid,
icon_handle_list,
@ -896,6 +900,9 @@ pub fn item_from_trash_entry(
metadata: ItemMetadata::Trash { metadata, entry },
hidden: false,
location_opt: None,
image_dimensions: (mime.type_() == mime::IMAGE)
.then(|| image::image_dimensions(&original_path).ok())
.flatten(),
mime,
icon_handle_grid,
icon_handle_list,
@ -1444,6 +1451,7 @@ pub fn scan_desktop(
metadata,
hidden: false,
location_opt: Some(Location::Trash),
image_dimensions: None,
mime,
icon_handle_grid,
icon_handle_list,
@ -2319,6 +2327,7 @@ pub struct Item {
pub hidden: bool,
pub location_opt: Option<Location>,
pub mime: Mime,
pub image_dimensions: Option<(u32, u32)>,
pub icon_handle_grid: widget::icon::Handle,
pub icon_handle_list: widget::icon::Handle,
pub icon_handle_list_condensed: widget::icon::Handle,
@ -6713,13 +6722,13 @@ impl Tab {
// Determine effective memory budget based on image size
let (effective_max_mb, effective_jobs) = if mime.type_() == mime::IMAGE {
match image::image_dimensions(&path) {
Ok((width, height)) => {
match item.image_dimensions {
Some((width, height)) => {
let (_use_dedicated, eff_mb, eff_jobs) =
should_use_dedicated_worker(width, height, max_mb, max_jobs);
(eff_mb, eff_jobs)
}
Err(_) => (max_mb, max_jobs),
None => (max_mb, max_jobs),
}
} else {
(max_mb, max_jobs)