[gnome-builder] Show progress information from LSP

[Christian Hergert <chergert src gnome org>]

commit 3cb9173c012e8624cdd20c682f2ba46b1a3e3aff
Author: Günther Wagner <info gunibert de>
Date:   Mon May 4 10:44:28 2020 +0200

    Show progress information from LSP

 src/plugins/rust-analyzer/rust-analyzer-service.c | 50 +++++++++++++++++++++++
 1 file changed, 50 insertions(+)
---
diff --git a/src/plugins/rust-analyzer/rust-analyzer-service.c 
b/src/plugins/rust-analyzer/rust-analyzer-service.c
index d9aa76715..efe69bffd 100644
--- a/src/plugins/rust-analyzer/rust-analyzer-service.c
+++ b/src/plugins/rust-analyzer/rust-analyzer-service.c
@@ -26,6 +26,7 @@
 #include <gio/gunixoutputstream.h>
 #include <glib-unix.h>
 #include <libide-core.h>
+#include <jsonrpc-glib.h>
 
 struct _RustAnalyzerService
 {
@@ -163,6 +164,54 @@ rust_analyzer_service_set_client (RustAnalyzerService *self,
     }
 }
 
+static void
+_handle_notification (IdeLspClient *client,
+                      gchar        *method,
+                      GVariant     *params)
+{
+  g_autoptr(IdeNotification) notification = NULL;
+  IdeNotifications *notifications = NULL;
+  IdeContext *context = NULL;
+  const gchar *message = NULL;
+  const gchar *token = NULL;
+  const gchar *kind = NULL;
+
+  if (!ide_str_equal0 (method, "$/progress"))
+    return;
+
+  JSONRPC_MESSAGE_PARSE (params, "token", JSONRPC_MESSAGE_GET_STRING (&token));
+
+  if (!ide_str_equal0 (token, "rustAnalyzer/startup"))
+    return;
+
+  JSONRPC_MESSAGE_PARSE (params, "value", "{", "kind", JSONRPC_MESSAGE_GET_STRING (&kind), "message", 
JSONRPC_MESSAGE_GET_STRING (&message), "}");
+
+  context = ide_object_get_context (IDE_OBJECT (client));
+  notifications = ide_object_get_child_typed (IDE_OBJECT (context), IDE_TYPE_NOTIFICATIONS);
+  notification = ide_notifications_find_by_id (notifications, "org.gnome-builder.rust-analyzer.startup");
+
+  if (notification == NULL)
+    {
+      notification = ide_notification_new ();
+      ide_notification_set_id (notification, "org.gnome-builder.rust-analyzer.startup");
+      ide_notification_set_title (notification, message);
+      ide_notification_set_has_progress (notification, TRUE);
+      ide_notification_set_progress_is_imprecise (notification, TRUE);
+      ide_notification_set_icon_name (notification, "system-run-symbolic");
+      ide_notification_attach (notification, IDE_OBJECT (context));
+    }
+  else
+    {
+      ide_notification_set_title (notification, message);
+      if (ide_str_equal0 (kind, "end"))
+        {
+          ide_notification_set_has_progress (notification, FALSE);
+          ide_notification_set_icon_name (notification, NULL);
+          ide_notification_withdraw_in_seconds (notification, 3);
+        }
+    }
+}
+
 void
 rust_analyzer_service_lsp_started (IdeSubprocessSupervisor *supervisor,
                                    IdeSubprocess           *subprocess,
@@ -186,6 +235,7 @@ rust_analyzer_service_lsp_started (IdeSubprocessSupervisor *supervisor,
     }
 
   client = ide_lsp_client_new (io_stream);
+  g_signal_connect (client, "notification", G_CALLBACK (_handle_notification), NULL);
   rust_analyzer_service_set_client (self, client);
   ide_object_append (IDE_OBJECT (self), IDE_OBJECT (client));
   ide_lsp_client_add_language (client, "rust");