LLM-18251: change per provider listening to only cloud completion provider listening for dynamic debouncing

(cherry picked from commit 4218fcee6e17ab03e9aea136bc257c37a539a1df)


(cherry picked from commit 91bb294944c12b1215e8ff4d2db610e1e5585c02)

IJ-MR-175246

GitOrigin-RevId: 0b07fce6d913f5d3c0c2b3d9de83f33af0709523

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

@@ -1,7 +1,6 @@
 // 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
 
-import com.intellij.codeInsight.inline.completion.debounce.InlineCompletionAdaptiveDebounceListener
 import com.intellij.codeInsight.inline.completion.editor.InlineCompletionEditorType
 import com.intellij.codeInsight.inline.completion.elements.InlineCompletionElement
 import com.intellij.codeInsight.inline.completion.listeners.InlineSessionWiseCaretListener
@@ -85,9 +84,6 @@ abstract class InlineCompletionHandler @ApiStatus.Internal constructor(
     invalidationListeners.addListener(logsListener)
     addEventListener(UserFactorsListener())
 
-    // Adaptive debounce listener: tracks acceptance/rejection outcomes for the last 10 minutes
-    addEventListener(InlineCompletionAdaptiveDebounceListener(editor))
-
     Disposer.register(parentDisposable, /* child = */ executor)
   }
 

platform/platform-impl/codeinsight-inline/src/com/intellij/codeInsight/inline/completion/debounce/InlineCompletionAdaptiveDebounceListener.kt

@@ -1,39 +0,0 @@
-// Copyright 2000-2025 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.debounce
-
-import com.intellij.codeInsight.inline.completion.InlineCompletionEventAdapter
-import com.intellij.codeInsight.inline.completion.InlineCompletionEventType
-import com.intellij.codeInsight.inline.completion.logs.InlineCompletionUsageTracker.ShownEvents.FinishType
-import com.intellij.codeInsight.inline.completion.session.InlineCompletionSession
-import com.intellij.openapi.editor.Editor
-
-/**
- * Listener that observes inline completion lifecycle and records
- * accept/reject finish type into [InlineCompletionFinishedCompletionsStorage] per provider.
- */
-internal class InlineCompletionAdaptiveDebounceListener(private val editor: Editor) : InlineCompletionEventAdapter {
-
-  private fun serviceOrNull(): InlineCompletionFinishedCompletionsStorage? = editor.project?.let { InlineCompletionFinishedCompletionsStorage.getInstance(it) }
-
-  override fun onHide(event: InlineCompletionEventType.Hide) {
-    val result = when (event.finishType) {
-      FinishType.CARET_CHANGED,
-      FinishType.EDITOR_REMOVED,
-      FinishType.FOCUS_LOST,
-      FinishType.TYPED,
-      FinishType.EMPTY,
-      FinishType.ERROR,
-      FinishType.OTHER,
-      FinishType.BACKSPACE_PRESSED,
-      FinishType.KEY_PRESSED,
-      FinishType.INVALIDATED,
-      FinishType.MOUSE_PRESSED,
-      FinishType.DOCUMENT_CHANGED,
-        -> InlineCompletionFinishedCompletionsStorage.Result.OTHER
-      FinishType.ESCAPE_PRESSED -> InlineCompletionFinishedCompletionsStorage.Result.REJECTED
-      FinishType.SELECTED -> InlineCompletionFinishedCompletionsStorage.Result.ACCEPTED
-    }
-    val provider = InlineCompletionSession.getOrNull(editor)?.provider?.id
-    provider?.let { serviceOrNull()?.record(it, result) }
-  }
-}

platform/platform-impl/codeinsight-inline/src/com/intellij/codeInsight/inline/completion/debounce/InlineCompletionFinishedCompletionsStorage.kt

@@ -1,59 +0,0 @@
-// Copyright 2000-2025 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.debounce
-
-import com.intellij.codeInsight.inline.completion.InlineCompletionProviderID
-import com.intellij.codeInsight.inline.completion.debounce.InlineCompletionFinishedCompletionsStorage.Companion.EXPIRATION_MS
-import com.intellij.openapi.components.Service
-import com.intellij.openapi.components.service
-import com.intellij.openapi.project.Project
-import org.jetbrains.annotations.ApiStatus
-import java.util.*
-
-/**
- * Project-level container of recent inline-completions for adaptive debounce tuning.
- *
- * Retains completions for the last [EXPIRATION_MS] milliseconds (10 minutes) and discards older ones.
- */
-@Service(Service.Level.PROJECT)
-@ApiStatus.Internal
-class InlineCompletionFinishedCompletionsStorage {
-  enum class Result { ACCEPTED, REJECTED, OTHER }
-
-  data class FinishedCompletion(val providerId: InlineCompletionProviderID, val result: Result, val finishTime: Long)
-
-  private val completionsPerProvider: MutableMap<InlineCompletionProviderID, ArrayDeque<FinishedCompletion>> = HashMap()
-
-  fun record(provider: InlineCompletionProviderID, result: Result) {
-    val now = System.currentTimeMillis()
-    cleanupExpired(now)
-    val q = completionsPerProvider.getOrPut(provider) { ArrayDeque() }
-    q.addLast(FinishedCompletion(provider, result, now))
-  }
-
-  /**
-   * Returns a snapshot of recent completions with timestamps (most recent at the end) for the given provider.
-   */
-  fun getRecentCompletions(provider: InlineCompletionProviderID): List<FinishedCompletion> {
-    cleanupExpired(System.currentTimeMillis())
-    return completionsPerProvider[provider]?.toList().orEmpty()
-  }
-
-  private fun cleanupExpired(now: Long) {
-    val threshold = now - EXPIRATION_MS
-    val it = completionsPerProvider.entries.iterator()
-    while (it.hasNext()) {
-      val entry = it.next()
-      val q = entry.value
-      while (true) {
-        val first = q.peekFirst() ?: break
-        if (first.finishTime < threshold) q.removeFirst() else break
-      }
-      if (q.isEmpty()) it.remove()
-    }
-  }
-
-  companion object {
-    private const val EXPIRATION_MS: Long = 10 * 60 * 1000 // 10 minutes
-    fun getInstance(project: Project): InlineCompletionFinishedCompletionsStorage = project.service()
-  }
-}