[inline-completion] IJPL-161906: do not register all the inline completion listeners on backend

(cherry picked from commit 7f45dc74717ce54565a3eb79a07a5a622af17075)

IJ-MR-147762

GitOrigin-RevId: b4e71aa97550cc47b8155c8466f09ea654e81673

platform/inline-completion/frontend/intellij.platform.inline.completion.frontend.iml

@@ -11,5 +11,6 @@
     <orderEntry type="library" name="kotlin-stdlib" level="project" />
     <orderEntry type="module" module-name="intellij.platform.ide.impl" />
     <orderEntry type="module" module-name="intellij.platform.inline.completion" />
+    <orderEntry type="module" module-name="intellij.platform.lang" />
   </component>
 </module>

platform/inline-completion/frontend/src/FrontendInlineCompletionHandler.kt

@@ -2,6 +2,7 @@
 package com.intellij.codeInsight.inline.completion.frontend
 
 import com.intellij.codeInsight.inline.completion.*
+import com.intellij.codeInsight.inline.completion.frontend.tooltip.onboarding.InlineCompletionOnboardingListener
 import com.intellij.codeInsight.inline.completion.logs.InlineCompletionUsageTracker.ShownEvents.FinishType
 import com.intellij.codeInsight.inline.completion.session.InlineCompletionContext
 import com.intellij.codeInsight.inline.completion.session.InlineCompletionSession
@@ -17,6 +18,11 @@ internal class FrontendInlineCompletionHandler(
   parentDisposable: Disposable
 ) : InlineCompletionHandler(scope, editor, parentDisposable) {
 
+  init {
+    addEventListener(InlineCompletionNoSuggestionsListener(editor))
+    InlineCompletionOnboardingListener.createIfOnboarding(editor)?.let(::addEventListener)
+  }
+
   override fun startSessionOrNull(request: InlineCompletionRequest, provider: InlineCompletionProvider): InlineCompletionSession? {
     return sessionManager.createSession(provider, request, parentDisposable, specificId = null)
   }

platform/inline-completion/frontend/src/InlineCompletionNoSuggestionsListener.kt

@@ -1,13 +1,16 @@
 // Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.codeInsight.inline.completion
+package com.intellij.codeInsight.inline.completion.frontend
 
 import com.intellij.codeInsight.hint.HintManager
+import com.intellij.codeInsight.inline.completion.InlineCompletionEvent
+import com.intellij.codeInsight.inline.completion.InlineCompletionEventAdapter
+import com.intellij.codeInsight.inline.completion.InlineCompletionEventType
 import com.intellij.codeInsight.inline.completion.logs.InlineCompletionUsageTracker
 import com.intellij.codeInsight.inline.completion.session.InlineCompletionSession
 import com.intellij.lang.LangBundle
 import com.intellij.openapi.editor.Editor
 
-private class InlineCompletionNoSuggestionsListener(private val editor: Editor) : InlineCompletionEventAdapter {
+internal class InlineCompletionNoSuggestionsListener(private val editor: Editor) : InlineCompletionEventAdapter {
 
   override fun onHide(event: InlineCompletionEventType.Hide) {
     if (event.finishType == InlineCompletionUsageTracker.ShownEvents.FinishType.EMPTY) {
@@ -18,9 +21,3 @@ private class InlineCompletionNoSuggestionsListener(private val editor: Editor)
     }
   }
 }
-
-private class InlineCompletionNoSuggestionListenerInstaller : InlineCompletionInstallListener {
-  override fun handlerInstalled(editor: Editor, handler: InlineCompletionHandler) {
-    handler.addEventListener(InlineCompletionNoSuggestionsListener(editor))
-  }
-}

platform/inline-completion/frontend/src/tooltip/onboarding/InlineCompletionOnboardingListener.kt

@@ -1,10 +1,11 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-package com.intellij.codeInsight.inline.completion.tooltip.onboarding
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.codeInsight.inline.completion.frontend.tooltip.onboarding
 
 import com.intellij.codeInsight.inline.completion.InlineCompletionEventAdapter
 import com.intellij.codeInsight.inline.completion.InlineCompletionEventType
 import com.intellij.codeInsight.inline.completion.session.InlineCompletionSession
 import com.intellij.codeInsight.inline.completion.tooltip.InlineCompletionTooltip
+import com.intellij.codeInsight.inline.completion.tooltip.onboarding.InlineCompletionOnboardingComponent
 import com.intellij.openapi.editor.Editor
 
 internal class InlineCompletionOnboardingListener private constructor(private val editor: Editor) : InlineCompletionEventAdapter {

platform/platform-impl/src/com/intellij/codeInsight/inline/completion/InlineCompletionHandler.kt

@@ -15,7 +15,6 @@ import com.intellij.codeInsight.inline.completion.session.InlineCompletionSessio
 import com.intellij.codeInsight.inline.completion.suggestion.InlineCompletionSuggestion
 import com.intellij.codeInsight.inline.completion.suggestion.InlineCompletionVariant
 import com.intellij.codeInsight.inline.completion.suggestion.InlineCompletionVariantsComputer
-import com.intellij.codeInsight.inline.completion.tooltip.onboarding.InlineCompletionOnboardingListener
 import com.intellij.codeInsight.inline.completion.utils.SafeInlineCompletionExecutor
 import com.intellij.codeInsight.lookup.LookupManager
 import com.intellij.inlinePrompt.isInlinePromptShown
@@ -81,7 +80,6 @@ abstract class InlineCompletionHandler @ApiStatus.Internal constructor(
 
   init {
     addEventListener(InlineCompletionUsageTracker.Listener()) // todo remove
-    InlineCompletionOnboardingListener.createIfOnboarding(editor)?.let(::addEventListener)
 
     val logsListener = InlineCompletionLogsListener(editor)
     addEventListener(logsListener)

platform/platform-impl/src/com/intellij/codeInsight/inline/completion/tooltip/InlineCompletionTooltip.kt

@@ -15,8 +15,10 @@ import com.intellij.ui.scale.JBUIScale
 import com.intellij.ui.util.preferredHeight
 import com.intellij.util.application
 import com.intellij.util.concurrency.annotations.RequiresEdt
+import org.jetbrains.annotations.ApiStatus
 
-internal object InlineCompletionTooltip {
+@ApiStatus.Internal
+object InlineCompletionTooltip {
   private val tooltipKey = Key<Unit>("EDITOR_HAS_INLINE_TOOLTIP")
 
   @RequiresEdt

platform/platform-impl/src/com/intellij/codeInsight/inline/completion/tooltip/onboarding/InlineCompletionOnboardingComponent.kt

@@ -1,4 +1,4 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.codeInsight.inline.completion.tooltip.onboarding
 
 import com.intellij.openapi.components.*

platform/platform-resources/src/META-INF/LangExtensions.xml

@@ -1813,8 +1813,6 @@
               topic="com.intellij.codeInsight.daemon.DaemonCodeAnalyzer$DaemonListener"/>
     <listener class="com.intellij.codeInsight.inline.completion.InlineCompletionLookupManagerListener"
               topic="com.intellij.codeInsight.lookup.LookupManagerListener"/>
-    <listener class="com.intellij.codeInsight.inline.completion.InlineCompletionNoSuggestionListenerInstaller"
-              topic="com.intellij.codeInsight.inline.completion.InlineCompletionInstallListener"/>
     <listener class="com.intellij.codeInsight.inline.completion.TabEnterUsageDetector"
               topic="com.intellij.codeInsight.lookup.LookupManagerListener"/>
     <listener class="com.intellij.lang.documentation.ide.impl.DocumentationAutoPopupListener"