Files
galaxy/crates/warpui_extras/src/user_preferences/registry_backed.rs
T

53 lines
1.9 KiB
Rust

use std::io;
/// Store user preferences in the Windows Registry.
/// Modeled after https://github.com/neovide/neovide/blob/main/src/windows_utils.rs .
use super::UserPreferences;
use windows_registry::{Key, CURRENT_USER};
use windows_result::HRESULT;
pub struct RegistryBackedPreferences {
app_key_path: String,
}
static WARP_REGISTRY_BASE_PATH: &str = "Software\\Warp.dev\\";
pub const KEY_NOT_FOUND_ERR: HRESULT = HRESULT::from_win32(0x80070002);
impl RegistryBackedPreferences {
/// Construct a separate registry path for each channel (stable, dev, local, etc.)
pub fn new(app_name: &str) -> Self {
Self {
app_key_path: WARP_REGISTRY_BASE_PATH.to_owned() + app_name,
}
}
/// Gets Warp's registry key, creating it if it does not already exist.
fn get_warp_registry(&self) -> Result<Key, super::Error> {
CURRENT_USER.create(self.app_key_path.clone()).map_err(|e| {
log::error!("unable to access Warp app key in Windows Registry: {e:#}");
super::Error::IoError(io::Error::from(e))
})
}
}
impl UserPreferences for RegistryBackedPreferences {
fn read_value(&self, name: &str) -> Result<Option<String>, super::Error> {
Ok(self.get_warp_registry()?.get_string(name).ok())
}
fn write_value(&self, key: &str, value: String) -> Result<(), super::Error> {
self.get_warp_registry()?
.set_string(key, value.as_str())
.map_err(|e| super::Error::from(io::Error::from(e)))
}
fn remove_value(&self, key: &str) -> Result<(), super::Error> {
match self.get_warp_registry()?.remove_value(key) {
Ok(_) => Ok(()),
// If the key doesn't exist, then treat removal of that nonexistent key as a success.
Err(e) if e.code() == KEY_NOT_FOUND_ERR => Ok(()),
Err(e) => Err(super::Error::from(io::Error::from(e))),
}
}
}