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