lsp: Remove the PostLoadBehavior

We always update if we have a UI and we never update if not. So this
flag does not help.

tools/lsp/common.rs

@@ -15,7 +15,7 @@ pub type Result<T> = std::result::Result<T, Error>;
 /// ServerNotifier
 pub trait PreviewApi {
     fn set_contents(&self, path: &Path, contents: &str);
-    fn load_preview(&self, component: PreviewComponent, behavior: PostLoadBehavior);
+    fn load_preview(&self, component: PreviewComponent);
     fn config_changed(
         &self,
         style: &str,
@@ -44,10 +44,3 @@ pub struct PreviewComponent {
     /// The style name for the preview
     pub style: String,
 }
-
-/// What to do after a preview is loaded
-#[allow(unused)]
-pub enum PostLoadBehavior {
-    ShowAfterLoad,
-    DoNothing,
-}

tools/lsp/language.rs

@@ -394,16 +394,13 @@ pub fn show_preview_command(params: &[serde_json::Value], ctx: &Rc<Context>) ->
         params.get(1).and_then(|v| v.as_str()).filter(|v| !v.is_empty()).map(|v| v.to_string());
     let path = uri_to_file(&url).unwrap_or_default();
 
-    ctx.preview.load_preview(
-        crate::common::PreviewComponent {
+    ctx.preview.load_preview(crate::common::PreviewComponent {
         path,
         component,
         include_paths: config.include_paths.clone(),
         library_paths: config.library_paths.clone(),
         style: config.style.clone().unwrap_or_default(),
-        },
-        crate::common::PostLoadBehavior::ShowAfterLoad,
-    );
+    });
     Ok(())
 }
 

tools/lsp/main.rs

@@ -41,15 +41,11 @@ impl PreviewApi for Previewer {
         preview::set_contents(_path, _contents.to_string());
     }
 
-    fn load_preview(
-        &self,
-        _component: common::PreviewComponent,
-        _behavior: common::PostLoadBehavior,
-    ) {
+    fn load_preview(&self, _component: common::PreviewComponent) {
         #[cfg(feature = "preview")]
         {
             preview::open_ui(&self.server_notifier);
-            preview::load_preview(_component, _behavior);
+            preview::load_preview(_component);
         }
     }
 

tools/lsp/preview/native.rs

@@ -3,7 +3,7 @@
 
 // cSpell: ignore condvar
 
-use crate::common::{PostLoadBehavior, PreviewComponent};
+use crate::common::PreviewComponent;
 use crate::lsp_ext::{Health, ServerStatusNotification, ServerStatusParams};
 use crate::ServerNotifier;
 
@@ -177,7 +177,7 @@ fn close_ui_impl(preview_state: &mut PreviewState) {
     }
 }
 
-pub fn load_preview(component: PreviewComponent, post_load_behavior: PostLoadBehavior) {
+pub fn load_preview(component: PreviewComponent) {
     use std::sync::atomic::{AtomicU32, Ordering};
     static PENDING_EVENTS: AtomicU32 = AtomicU32::new(0);
     if PENDING_EVENTS.load(Ordering::SeqCst) > 0 {
@@ -186,7 +186,7 @@ pub fn load_preview(component: PreviewComponent, post_load_behavior: PostLoadBeh
     PENDING_EVENTS.fetch_add(1, Ordering::SeqCst);
     run_in_ui_thread(move || async move {
         PENDING_EVENTS.fetch_sub(1, Ordering::SeqCst);
-        reload_preview(component, post_load_behavior).await
+        reload_preview(component).await
     });
 }
 
@@ -212,9 +212,11 @@ pub fn set_contents(path: &Path, content: String) {
         drop(cache);
 
         let mut cache = CONTENT_CACHE.get_or_init(Default::default).lock().unwrap();
-        cache.sender = sender.clone();
+        cache.sender = sender;
 
-        load_preview(current, PostLoadBehavior::DoNothing);
+        if cache.sender.is_some() {
+            load_preview(current);
+        }
     }
 }
 
@@ -238,9 +240,11 @@ pub fn config_changed(
             drop(cache);
 
             let mut cache = CONTENT_CACHE.get_or_init(Default::default).lock().unwrap();
-            cache.sender = sender.clone();
+            cache.sender = sender;
 
-            load_preview(current, PostLoadBehavior::DoNothing);
+            if cache.sender.is_some() {
+                load_preview(current);
+            }
         }
     };
 }
@@ -339,10 +343,7 @@ fn configure_design_mode(enabled: bool, sender: &crate::ServerNotifier) {
     });
 }
 
-async fn reload_preview(
-    preview_component: PreviewComponent,
-    _post_load_behavior: PostLoadBehavior,
-) {
+async fn reload_preview(preview_component: PreviewComponent) {
     let (design_mode, sender) = {
         let mut cache = CONTENT_CACHE.get_or_init(Default::default).lock().unwrap();
         cache.dependency.clear();

tools/lsp/wasm_main.rs

@@ -52,11 +52,7 @@ impl PreviewApi for Previewer {
         // do nothing!
     }
 
-    fn load_preview(
-        &self,
-        _component: common::PreviewComponent,
-        _behavior: common::PostLoadBehavior,
-    ) {
+    fn load_preview(&self, _component: common::PreviewComponent) {
         // do nothing!
     }