Introduce LspAdapterDelegate trait, passed to LspDelegates

crates/project/src/project.rs

@@ -38,9 +38,9 @@ use language::{
     },
     range_from_lsp, range_to_lsp, Anchor, Bias, Buffer, CachedLspAdapter, CodeAction, CodeLabel,
     Completion, Diagnostic, DiagnosticEntry, DiagnosticSet, Diff, Event as BufferEvent, File as _,
-    Language, LanguageRegistry, LanguageServerName, LocalFile, OffsetRangeExt, Operation, Patch,
-    PendingLanguageServer, PointUtf16, TextBufferSnapshot, ToOffset, ToPointUtf16, Transaction,
-    Unclipped,
+    Language, LanguageRegistry, LanguageServerName, LocalFile, LspAdapterDelegate, OffsetRangeExt,
+    Operation, Patch, PendingLanguageServer, PointUtf16, TextBufferSnapshot, ToOffset,
+    ToPointUtf16, Transaction, Unclipped,
 };
 use log::error;
 use lsp::{
@@ -75,8 +75,8 @@ use std::{
 };
 use terminals::Terminals;
 use util::{
-    debug_panic, defer, merge_json_value_into, paths::LOCAL_SETTINGS_RELATIVE_PATH, post_inc,
-    ResultExt, TryFutureExt as _,
+    debug_panic, defer, http::HttpClient, merge_json_value_into,
+    paths::LOCAL_SETTINGS_RELATIVE_PATH, post_inc, ResultExt, TryFutureExt as _,
 };
 
 pub use fs::*;
@@ -252,6 +252,7 @@ pub enum Event {
     LanguageServerAdded(LanguageServerId),
     LanguageServerRemoved(LanguageServerId),
     LanguageServerLog(LanguageServerId, String),
+    LanguageServerNotification(String),
     ActiveEntryChanged(Option<ProjectEntryId>),
     WorktreeAdded,
     WorktreeRemoved(WorktreeId),
@@ -435,6 +436,11 @@ pub enum FormatTrigger {
     Manual,
 }
 
+struct ProjectLspAdapterDelegate {
+    project: ModelHandle<Project>,
+    http_client: Arc<dyn HttpClient>,
+}
+
 impl FormatTrigger {
     fn from_proto(value: i32) -> FormatTrigger {
         match value {
@@ -2407,7 +2413,7 @@ impl Project {
                 language.clone(),
                 adapter.clone(),
                 worktree_path.clone(),
-                self.client.http_client(),
+                ProjectLspAdapterDelegate::new(self, cx),
                 cx,
             ) {
                 Some(pending_server) => pending_server,
@@ -7188,6 +7194,27 @@ impl<P: AsRef<Path>> From<(WorktreeId, P)> for ProjectPath {
     }
 }
 
+impl ProjectLspAdapterDelegate {
+    fn new(project: &Project, cx: &ModelContext<Project>) -> Arc<Self> {
+        Arc::new(Self {
+            project: cx.handle(),
+            http_client: project.client.http_client(),
+        })
+    }
+}
+
+impl LspAdapterDelegate for ProjectLspAdapterDelegate {
+    fn show_notification(&self, message: &str, cx: &mut AppContext) {
+        self.project.update(cx, |_, cx| {
+            cx.emit(Event::LanguageServerNotification(message.to_owned()))
+        });
+    }
+
+    fn http_client(&self) -> Arc<dyn HttpClient> {
+        self.http_client.clone()
+    }
+}
+
 fn split_operations(
     mut operations: Vec<proto::Operation>,
 ) -> impl Iterator<Item = Vec<proto::Operation>> {