Do not call VFS refresh during widget creation, fix for RIDER-91413

Author: xtmq

rider/src/main/kotlin/com/jetbrains/rider/plugins/unity/ui/shaders/ShaderWidgetFactory.kt

@@ -1,17 +1,41 @@
 package com.jetbrains.rider.plugins.unity.ui.shaders
 
+import com.intellij.openapi.components.service
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.wm.StatusBar
 import com.intellij.openapi.wm.StatusBarWidget
 import com.intellij.openapi.wm.StatusBarWidgetFactory
+import com.intellij.openapi.wm.impl.status.widget.StatusBarWidgetsManager
+import com.intellij.util.application
+import com.jetbrains.rdclient.util.idea.toVirtualFile
 import com.jetbrains.rider.plugins.unity.UnityProjectDiscoverer
 import com.jetbrains.rider.plugins.unity.ui.UnityUIBundle
+import com.jetbrains.rider.projectView.solutionDirectory
 
 class ShaderWidgetFactory: StatusBarWidgetFactory {
     override fun getId() = "ShaderWidget"
-    override fun isAvailable(project: Project) = UnityProjectDiscoverer.getInstance(project).isUnityProject
     override fun canBeEnabledOn(statusBar: StatusBar) = true
     override fun getDisplayName() = UnityUIBundle.message("unity.shader.file.context")
     override fun disposeWidget(widget: StatusBarWidget) {}
     override fun createWidget(project: Project) = ShaderWidget(project)
+
+    override fun isAvailable(project: Project): Boolean {
+
+        // We should not call VFS refresh here, it is project frame initialization
+        // This code can be simplified when this issue will be fixed in IJ platform:
+        // https://youtrack.jetbrains.com/issue/IJPL-73/Off-load-initialization-of-StatusBarWidgetsManager-to-BGT
+
+        val solutionDirectory = project.solutionDirectory.toVirtualFile(false)
+        if (solutionDirectory != null) {
+            return UnityProjectDiscoverer.getInstance(project).isUnityProject
+        }
+
+        application.executeOnPooledThread {
+            project.solutionDirectory.toVirtualFile(true)
+            application.invokeLater {
+                project.service<StatusBarWidgetsManager>().updateWidget(ShaderWidgetFactory::class.java)
+            }
+        }
+        return false
+    }
 }