[java] IJPL-213056 Move RepositoryLibrary WSM updates processing to background

(cherry picked from commit cbcf288d6ffb6fe018867373f052d3ddc40efda1)

IJ-CR-179746

GitOrigin-RevId: eefeaf0ff70c5ea3696ef9329afd8acbe4593d4c

java/idea-ui/src/com/intellij/jarRepository/RepositoryLibraryChangeListener.kt

@@ -1,45 +0,0 @@
-// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.jarRepository
-
-import com.intellij.openapi.project.Project
-import com.intellij.platform.backend.workspace.WorkspaceModelChangeListener
-import com.intellij.platform.workspace.jps.entities.LibraryEntity
-import com.intellij.platform.workspace.jps.entities.LibraryPropertiesEntity
-import com.intellij.platform.workspace.storage.EntityChange
-import com.intellij.platform.workspace.storage.VersionedStorageChange
-
-private class RepositoryLibraryChangeListener(private val project: Project) : WorkspaceModelChangeListener {
-  override fun changed(event: VersionedStorageChange) {
-    val settings = RepositoryLibrarySettings.getInstanceOrDefaults(project)
-    val jarRepositoryAutoBindEnabled = settings.isJarRepositoryAutoBindEnabled()
-    val sha256ChecksumAutoBuildEnabled = settings.isSha256ChecksumAutoBuildEnabled()
-
-    // exit fast, avoid heavy computations if the feature is not enabled
-    if (!jarRepositoryAutoBindEnabled && !sha256ChecksumAutoBuildEnabled) {
-      return
-    }
-
-    val changedLibraryEntities = mutableSetOf<LibraryEntity?>()
-
-    // Handle library roots change
-    event.getChanges(LibraryEntity::class.java).forEach {
-      when (it) {
-        is EntityChange.Added, is EntityChange.Replaced -> changedLibraryEntities.add(it.newEntity)
-        else -> {}
-      }
-    }
-
-    // Handle library version change
-    event.getChanges(LibraryPropertiesEntity::class.java).forEach {
-      when (it) {
-        is EntityChange.Added, is EntityChange.Replaced -> changedLibraryEntities.add(it.newEntity?.library)
-        else -> {}
-      }
-    }
-
-    val utils = RepositoryLibraryUtils.getInstance(project)
-    utils.computeExtendedPropertiesFor(libraries = changedLibraryEntities.filterNotNull().toSet(),
-                                       buildSha256Checksum = sha256ChecksumAutoBuildEnabled,
-                                       guessAndBindRemoteRepository = jarRepositoryAutoBindEnabled)
-  }
-}

java/idea-ui/src/com/intellij/jarRepository/RepositoryLibraryExtendedPropertiesUpdateStartupActivity.kt

@@ -0,0 +1,21 @@
+// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.jarRepository
+
+import com.intellij.openapi.components.serviceAsync
+import com.intellij.openapi.extensions.ExtensionNotApplicableException
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.startup.ProjectActivity
+import com.intellij.util.application
+
+class RepositoryLibraryExtendedPropertiesUpdateStartupActivity : ProjectActivity {
+  init {
+    if (application.isUnitTestMode() || application.isHeadlessEnvironment()) {
+      throw ExtensionNotApplicableException.create()
+    }
+  }
+
+  override suspend fun execute(project: Project) {
+    val service = project.serviceAsync<RepositoryLibraryUtils>()
+    service.subscribeToWorkspaceModelUpdates()
+  }
+}

java/idea-ui/src/com/intellij/jarRepository/RepositoryLibraryUtils.kt

@@ -29,6 +29,7 @@ import com.intellij.platform.ide.progress.withBackgroundProgress
 import com.intellij.platform.util.progress.RawProgressReporter
 import com.intellij.platform.util.progress.reportRawProgress
 import com.intellij.platform.workspace.jps.entities.*
+import com.intellij.platform.workspace.storage.EntityChange
 import com.intellij.platform.workspace.storage.EntityStorage
 import com.intellij.platform.workspace.storage.ImmutableEntityStorage
 import com.intellij.platform.workspace.storage.MutableEntityStorage
@@ -78,6 +79,7 @@ class RepositoryLibraryUtils(private val project: Project, private val cs: Corou
 
   private var testCoroutineScope: CoroutineScope? = null
   private val myCoroutineScope: CoroutineScope get() = testCoroutineScope ?: cs
+  private val isSubscribedToWorkspaceModelChanges = AtomicBoolean(false)
 
   /**
    * Should be used only in tests. Required to promote errors to tests via [testScope].
@@ -92,6 +94,46 @@ class RepositoryLibraryUtils(private val project: Project, private val cs: Corou
     testCoroutineScope = null
   }
 
+
+  suspend fun subscribeToWorkspaceModelUpdates() {
+    if (isSubscribedToWorkspaceModelChanges.compareAndSet(false, true)) {
+      WorkspaceModel.getInstance(project).eventLog.collect { event ->
+        val settings = RepositoryLibrarySettings.getInstanceOrDefaults(project)
+        val jarRepositoryAutoBindEnabled = settings.isJarRepositoryAutoBindEnabled()
+        val sha256ChecksumAutoBuildEnabled = settings.isSha256ChecksumAutoBuildEnabled()
+
+        // exit fast, avoid heavy computations if the feature is not enabled
+        if (!jarRepositoryAutoBindEnabled && !sha256ChecksumAutoBuildEnabled) {
+          return@collect
+        }
+
+        val changedLibraryEntities = mutableSetOf<LibraryEntity?>()
+
+        // Handle library roots change
+        event.getChanges(LibraryEntity::class.java).forEach {
+          when (it) {
+            is EntityChange.Added, is EntityChange.Replaced -> changedLibraryEntities.add(it.newEntity)
+            else -> {}
+          }
+        }
+
+        // Handle library version change
+        event.getChanges(LibraryPropertiesEntity::class.java).forEach {
+          when (it) {
+            is EntityChange.Added, is EntityChange.Replaced -> changedLibraryEntities.add(it.newEntity?.library)
+            else -> {}
+          }
+        }
+
+        computeExtendedPropertiesFor(libraries = changedLibraryEntities.filterNotNull().toSet(),
+                                     buildSha256Checksum = sha256ChecksumAutoBuildEnabled,
+                                     guessAndBindRemoteRepository = jarRepositoryAutoBindEnabled)
+      }
+    } else {
+      logger.error("An attempt to subscribe to WSM updates more than once")
+    }
+  }
+
   /**
    * Tries to guess remote jar repository for each [RepositoryLibraryType] library and bind it to
    * the library if found. Global libraries are excluded.

java/java-impl/resources/META-INF/JavaPlugin.xml

@@ -333,6 +333,7 @@
     <compilableFileTypesProvider implementation="com.intellij.compiler.impl.javaCompiler.JavaCompilableFileTypesProvider"/>
     <postStartupActivity implementation="com.intellij.compiler.server.BuildManager$BuildManagerStartupActivity"/>
     <postStartupActivity implementation="com.intellij.ide.SetupJavaProjectFromSourcesActivity"/>
+    <postStartupActivity implementation="com.intellij.jarRepository.RepositoryLibraryExtendedPropertiesUpdateStartupActivity"/>
     <backgroundPostStartupActivity implementation="com.intellij.compiler.cache.CompilerCacheStartupActivity"/>
 
     <console.folding implementation="com.intellij.execution.filters.StackTraceFolding"/>
@@ -2871,8 +2872,6 @@
   </applicationListeners>
 
   <projectListeners>
-    <listener class="com.intellij.jarRepository.RepositoryLibraryChangeListener"
-              topic="com.intellij.platform.backend.workspace.WorkspaceModelChangeListener"/>
     <listener class="com.intellij.codeInsight.daemon.problems.pass.ProjectProblemFileInlaySelectionListenerSettingsListener"
               topic="com.intellij.codeInsight.hints.InlayHintsSettings$SettingsListener"/>
     <listener class="com.intellij.codeInsight.daemon.problems.pass.ProjectProblemFileRefactoringEventListener"