57 lines
2.0 KiB
Rust
57 lines
2.0 KiB
Rust
//! User-scoped preferences stored at `~/.codeg/preferences.json`.
|
|
//!
|
|
//! These are settings that must be readable **before** the Tauri builder and
|
|
//! tokio runtime start (e.g. WebView2 rendering flags applied via
|
|
//! `WEBVIEW2_ADDITIONAL_BROWSER_ARGUMENTS`). All access is synchronous I/O so
|
|
//! the data must stay tiny.
|
|
|
|
use std::fs;
|
|
use std::io;
|
|
use std::path::PathBuf;
|
|
|
|
use serde::{Deserialize, Serialize};
|
|
|
|
const PREFERENCES_FILE_NAME: &str = "preferences.json";
|
|
const CODEG_DIR_NAME: &str = ".codeg";
|
|
|
|
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
|
|
#[serde(default)]
|
|
pub struct AppPreferences {
|
|
pub disable_hardware_acceleration: bool,
|
|
}
|
|
|
|
pub fn preferences_file_path() -> Option<PathBuf> {
|
|
dirs::home_dir().map(|h| h.join(CODEG_DIR_NAME).join(PREFERENCES_FILE_NAME))
|
|
}
|
|
|
|
/// Read preferences synchronously. Missing / unreadable / malformed file
|
|
/// returns `Default::default()`. Errors are intentionally swallowed because
|
|
/// this is called on the startup hot-path; callers log if needed.
|
|
pub fn load() -> AppPreferences {
|
|
let Some(path) = preferences_file_path() else {
|
|
return AppPreferences::default();
|
|
};
|
|
match fs::read_to_string(&path) {
|
|
Ok(raw) => serde_json::from_str(&raw).unwrap_or_default(),
|
|
Err(err) if err.kind() == io::ErrorKind::NotFound => AppPreferences::default(),
|
|
Err(err) => {
|
|
eprintln!(
|
|
"[Preferences] failed to read {}: {err}",
|
|
path.display()
|
|
);
|
|
AppPreferences::default()
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn save(prefs: &AppPreferences) -> io::Result<()> {
|
|
let path = preferences_file_path()
|
|
.ok_or_else(|| io::Error::new(io::ErrorKind::NotFound, "home directory unavailable"))?;
|
|
if let Some(parent) = path.parent() {
|
|
fs::create_dir_all(parent)?;
|
|
}
|
|
let serialized = serde_json::to_string_pretty(prefs)
|
|
.map_err(|err| io::Error::new(io::ErrorKind::InvalidData, err.to_string()))?;
|
|
fs::write(&path, serialized)
|
|
}
|