leyoda/cosmic-settings
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perf(wallpaper): avoid recursion for system wallpapers

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Michael Aaron Murphy 2025-01-11 12:19:39 +01:00
parent 7576ad1af7
commit 0bf63a0d91
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GPG key ID: B2732D4240C9212C
3 changed files with 46 additions and 50 deletions
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44
cosmic-settings/src/pages/desktop/wallpaper/mod.rs
View file

@ -221,12 +221,10 @@ impl page::Page<crate::pages::Message> for Page {
let current_folder = self.config.current_folder().to_owned();
let recurse = self.categories.selected == Some(Category::Wallpapers);
let (task, on_enter_handle) = Task::future(async move {
let (service_config, displays) = wallpaper::config().await;
let mut selection = change_folder(current_folder, recurse).await;
let mut selection = change_folder(current_folder).await;
// `selection.active` is usually empty because `change_folder` creates a fresh context.
// This leads to blank previews in certain conditions when the program is restarted.
@ -578,7 +576,7 @@ impl Page {
if self.config.current_folder.is_some() {
let _ = self.config.set_current_folder(None);
task = cosmic::task::future(async move {
let folder = change_folder(Config::default_folder().to_owned(), true).await;
let folder = change_folder(Config::default_folder().to_owned()).await;
Message::ChangeFolder(folder)
});
} else {
@ -598,7 +596,7 @@ impl Page {
}
task = cosmic::task::future(async move {
Message::ChangeFolder(change_folder(path, false).await)
Message::ChangeFolder(change_folder(path).await)
});
}
}
@ -903,12 +901,9 @@ impl Page {
}
}
// Avoid walking user-selected folders.
let recurse = self.categories.selected == Some(Category::Wallpapers);
// Load the wallpapers from the selected folder into the view.
return cosmic::Task::future(async move {
let message = Message::ChangeFolder(change_folder(path, recurse).await);
let message = Message::ChangeFolder(change_folder(path).await);
let page_message = crate::pages::Message::DesktopWallpaper(message);
crate::Message::PageMessage(page_message)
});
@ -1138,22 +1133,31 @@ impl Context {
}
}
pub async fn change_folder(current_folder: PathBuf, recurse: bool) -> Context {
pub async fn change_folder(current_folder: PathBuf) -> Context {
let mut update = Context::default();
let mut wallpapers = wallpaper::load_each_from_path(current_folder, recurse).await;
let mut streams = Vec::with_capacity(2);
while let Some((path, display_image, selection_image)) = wallpapers.next().await {
let id = update.paths.insert(path);
// Include the cosmic background folder when loading the system wallpapers.
if current_folder == Config::default_folder() {
streams.push(wallpaper::load_each_from_path(Config::default_folder().join("cosmic")).await);
}
update.display_images.insert(id, display_image);
streams.push(wallpaper::load_each_from_path(current_folder).await);
let selection_handle = ImageHandle::from_rgba(
selection_image.width(),
selection_image.height(),
selection_image.into_vec(),
);
for mut wallpapers in streams {
while let Some((path, display_image, selection_image)) = wallpapers.next().await {
let id = update.paths.insert(path);
update.selection_handles.insert(id, selection_handle);
update.display_images.insert(id, display_image);
let selection_handle = ImageHandle::from_rgba(
selection_image.width(),
selection_image.height(),
selection_image.into_vec(),
);
update.selection_handles.insert(id, selection_handle);
}
}
update

2
cosmic-settings/src/pages/display/mod.rs
View file

@ -22,7 +22,6 @@ use slab::Slab;
use slotmap::{Key, SecondaryMap, SlotMap};
use std::{collections::BTreeMap, process::ExitStatus, sync::Arc};
use tokio::sync::oneshot;
use tokio::task::JoinHandle;
use tracing::error;
static DPI_SCALES: &[u32] = &[50, 75, 100, 125, 150, 175, 200, 225, 250, 275, 300];
@ -30,6 +29,7 @@ static DPI_SCALE_LABELS: Lazy<Vec<String>> =
Lazy::new(|| DPI_SCALES.iter().map(|scale| format!("{scale}%")).collect());
/// Display color depth options
#[allow(dead_code)]
#[derive(Clone, Copy, Debug)]
pub struct ColorDepth(usize);