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perf: general minor performance optimisations

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Notably there is some code cleanup with the zooming functionality, I've
created a new module to reduce code duplication.
This commit is contained in:
Cheong Lau 2025-10-28 13:10:40 +10:00
parent 5f729829d7
commit bd1fa1f0a9
16 changed files with 971 additions and 1109 deletions
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28
src/thumbnailer.rs
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@ -80,30 +80,32 @@ impl ThumbnailerCache {
let mut search_dirs = Vec::new();
let xdg_dirs = xdg::BaseDirectories::new();
if let Some(data_home) = xdg_dirs.get_data_home() {
search_dirs.push(data_home.join("thumbnailers"));
}
for data_dir in xdg_dirs.get_data_dirs() {
search_dirs.push(data_dir.join("thumbnailers"));
if let Some(mut data_home) = xdg_dirs.get_data_home() {
data_home.push("thumbnailers");
search_dirs.push(data_home);
}
search_dirs.extend(xdg_dirs.get_data_dirs().into_iter().map(|mut data_dir| {
data_dir.push("thumbnailers");
data_dir
}));
let mut thumbnailer_paths = Vec::new();
for dir in search_dirs {
log::trace!("looking for thumbnailers in {}", dir.display());
match fs::read_dir(&dir) {
Ok(entries) => {
for entry_res in entries {
match entry_res {
Ok(entry) => thumbnailer_paths.push(entry.path()),
Err(err) => {
thumbnailer_paths.extend(entries.filter_map(|entry_res| {
entry_res
.inspect_err(|err| {
log::warn!(
"failed to read entry in directory {}: {}",
dir.display(),
err
);
}
}
}
)
})
.ok()
.map(|entry| entry.path())
}));
}
Err(err) => {
log::warn!("failed to read directory {}: {}", dir.display(), err);