From d90f87964921aaa2dd7ce03b7f28bec35a4c3358 Mon Sep 17 00:00:00 2001
From: Dmitry Zhuravlev <dmitry.zhuravlev@jetbrains.com>
Date: Mon, 9 Sep 2024 17:37:23 +0200
Subject: [PATCH] [lvcs] extract idea gateway API (IJPL-161713)

GitOrigin-RevId: 6e7944d2f7cec28c950a669b00a057f73cf927ca
---
 platform/lvcs-impl/api-dump.txt                               | 1 +
 platform/lvcs-impl/resources/intellij.platform.lvcs.impl.xml  | 1 +
 .../src/com/intellij/history/integration/IdeaGateway.java     | 4 ++++
 .../src/com/intellij/history/integration/LocalHistoryImpl.kt  | 3 ++-
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/platform/lvcs-impl/api-dump.txt b/platform/lvcs-impl/api-dump.txt
index 7d81d95378da..edae107c8f3b 100644
--- a/platform/lvcs-impl/api-dump.txt
+++ b/platform/lvcs-impl/api-dump.txt
@@ -436,6 +436,7 @@ c:com.intellij.history.integration.IdeaGateway
 - findVirtualFile(java.lang.String):com.intellij.openapi.vfs.VirtualFile
 - getDocument(java.lang.String):com.intellij.openapi.editor.Document
 - getFileType(java.lang.String):com.intellij.openapi.fileTypes.FileType
+- s:getInstance():com.intellij.history.integration.IdeaGateway
 - s:getNameOrUrlPart(com.intellij.openapi.vfs.VirtualFile):java.lang.String
 - getPathOrUrl(com.intellij.openapi.vfs.VirtualFile):java.lang.String
 - ps:getVersionedFilterData():com.intellij.history.integration.IdeaGateway$VersionedFilterData
diff --git a/platform/lvcs-impl/resources/intellij.platform.lvcs.impl.xml b/platform/lvcs-impl/resources/intellij.platform.lvcs.impl.xml
index 0d832dcccbbf..1ce64323c644 100644
--- a/platform/lvcs-impl/resources/intellij.platform.lvcs.impl.xml
+++ b/platform/lvcs-impl/resources/intellij.platform.lvcs.impl.xml
@@ -82,6 +82,7 @@
     <applicationService serviceInterface="com.intellij.history.LocalHistory"
                         serviceImplementation="com.intellij.history.integration.LocalHistoryImpl"/>
     <applicationService serviceImplementation="com.intellij.history.core.LocalHistoryFacade"/>
+    <applicationService serviceImplementation="com.intellij.history.integration.IdeaGateway"/>
 
     <virtualFileManagerListener
       implementation="com.intellij.history.integration.LocalHistoryEventDispatcher$LocalHistoryFileManagerListener"/>
diff --git a/platform/lvcs-impl/src/com/intellij/history/integration/IdeaGateway.java b/platform/lvcs-impl/src/com/intellij/history/integration/IdeaGateway.java
index f5784d2376b9..153cbedcb313 100644
--- a/platform/lvcs-impl/src/com/intellij/history/integration/IdeaGateway.java
+++ b/platform/lvcs-impl/src/com/intellij/history/integration/IdeaGateway.java
@@ -48,6 +48,10 @@ public class IdeaGateway {
   private static final Key<ContentAndTimestamps> SAVED_DOCUMENT_CONTENT_AND_STAMP_KEY
     = Key.create("LocalHistory.SAVED_DOCUMENT_CONTENT_AND_STAMP_KEY");
 
+  public static @NotNull IdeaGateway getInstance() {
+    return ApplicationManager.getApplication().getService(IdeaGateway.class);
+  }
+
   public boolean isVersioned(@NotNull VirtualFile f) {
     return isVersioned(f, false);
   }
diff --git a/platform/lvcs-impl/src/com/intellij/history/integration/LocalHistoryImpl.kt b/platform/lvcs-impl/src/com/intellij/history/integration/LocalHistoryImpl.kt
index 954bc87326a6..aaa0694d9ec1 100644
--- a/platform/lvcs-impl/src/com/intellij/history/integration/LocalHistoryImpl.kt
+++ b/platform/lvcs-impl/src/com/intellij/history/integration/LocalHistoryImpl.kt
@@ -39,6 +39,7 @@ class LocalHistoryImpl(private val coroutineScope: CoroutineScope) : LocalHistor
     /**
      * @see [LocalHistory.getInstance]
      * @see [LocalHistoryFacade.getInstance]
+     * @see [IdeaGateway.getInstance]
      */
     @JvmStatic
     fun getInstanceImpl(): LocalHistoryImpl = getInstance() as LocalHistoryImpl
@@ -54,7 +55,7 @@ class LocalHistoryImpl(private val coroutineScope: CoroutineScope) : LocalHistor
   var facade: LocalHistoryFacade? = null
     private set
 
-  val gateway: IdeaGateway = IdeaGateway()
+  val gateway: IdeaGateway = IdeaGateway.getInstance()
 
   private var flusherTask: Job? = null
   private val initialFlush = AtomicBoolean(true)