Remove unused watched_json file

crates/settings/src/watched_json.rs

@@ -1,126 +0,0 @@
-use fs::Fs;
-use futures::StreamExt;
-use gpui::{executor, AppContext};
-use postage::sink::Sink as _;
-use postage::{prelude::Stream, watch};
-use serde::Deserialize;
-
-use std::{path::Path, sync::Arc, time::Duration};
-use theme::ThemeRegistry;
-use util::ResultExt;
-
-use crate::{parse_json_with_comments, KeymapFileContent, Settings, SettingsFileContent};
-
-#[derive(Clone)]
-pub struct WatchedJsonFile<T>(pub watch::Receiver<T>);
-
-impl<T> WatchedJsonFile<T>
-where
-    T: 'static + for<'de> Deserialize<'de> + Clone + Default + Send + Sync,
-{
-    pub async fn new(
-        fs: Arc<dyn Fs>,
-        executor: &executor::Background,
-        path: impl Into<Arc<Path>>,
-    ) -> Self {
-        let path = path.into();
-        let settings = Self::load(fs.clone(), &path).await.unwrap_or_default();
-        let mut events = fs.watch(&path, Duration::from_millis(500)).await;
-        let (mut tx, rx) = watch::channel_with(settings);
-        executor
-            .spawn(async move {
-                while events.next().await.is_some() {
-                    if let Some(settings) = Self::load(fs.clone(), &path).await {
-                        if tx.send(settings).await.is_err() {
-                            break;
-                        }
-                    }
-                }
-            })
-            .detach();
-        Self(rx)
-    }
-
-    ///Loads the given watched JSON file. In the special case that the file is
-    ///empty (ignoring whitespace) or is not a file, this will return T::default()
-    async fn load(fs: Arc<dyn Fs>, path: &Path) -> Option<T> {
-        if !fs.is_file(path).await {
-            return Some(T::default());
-        }
-
-        fs.load(path).await.log_err().and_then(|data| {
-            if data.trim().is_empty() {
-                Some(T::default())
-            } else {
-                parse_json_with_comments(&data).log_err()
-            }
-        })
-    }
-
-    pub fn current(&self) -> T {
-        self.0.borrow().clone()
-    }
-}
-
-pub fn watch_files(
-    defaults: Settings,
-    settings_file: WatchedJsonFile<SettingsFileContent>,
-    theme_registry: Arc<ThemeRegistry>,
-    keymap_file: WatchedJsonFile<KeymapFileContent>,
-    cx: &mut AppContext,
-) {
-    watch_settings_file(defaults, settings_file, theme_registry, cx);
-    watch_keymap_file(keymap_file, cx);
-}
-
-pub(crate) fn watch_settings_file(
-    defaults: Settings,
-    mut file: WatchedJsonFile<SettingsFileContent>,
-    theme_registry: Arc<ThemeRegistry>,
-    cx: &mut AppContext,
-) {
-    settings_updated(&defaults, file.0.borrow().clone(), &theme_registry, cx);
-    cx.spawn(|mut cx| async move {
-        while let Some(content) = file.0.recv().await {
-            cx.update(|cx| settings_updated(&defaults, content, &theme_registry, cx));
-        }
-    })
-    .detach();
-}
-
-fn keymap_updated(content: KeymapFileContent, cx: &mut AppContext) {
-    cx.clear_bindings();
-    KeymapFileContent::load_defaults(cx);
-    content.add_to_cx(cx).log_err();
-}
-
-fn settings_updated(
-    defaults: &Settings,
-    content: SettingsFileContent,
-    theme_registry: &Arc<ThemeRegistry>,
-    cx: &mut AppContext,
-) {
-    let mut settings = defaults.clone();
-    settings.set_user_settings(content, theme_registry, cx.font_cache());
-    cx.set_global(settings);
-    cx.refresh_windows();
-}
-
-fn watch_keymap_file(mut file: WatchedJsonFile<KeymapFileContent>, cx: &mut AppContext) {
-    cx.spawn(|mut cx| async move {
-        let mut settings_subscription = None;
-        while let Some(content) = file.0.recv().await {
-            cx.update(|cx| {
-                let old_base_keymap = cx.global::<Settings>().base_keymap;
-                keymap_updated(content.clone(), cx);
-                settings_subscription = Some(cx.observe_global::<Settings, _>(move |cx| {
-                    let settings = cx.global::<Settings>();
-                    if settings.base_keymap != old_base_keymap {
-                        keymap_updated(content.clone(), cx);
-                    }
-                }));
-            });
-        }
-    })
-    .detach();
-}