refactor [vcs]: refresh project changes every time they are displayed

The TW listener does not track TW content selection, so we might miss the event
Also, TW listeners introduced a dependency on content manager, which is not needed

GitOrigin-RevId: 817f8668cb18ba098d3d751454218bb883bd72ac

platform/vcs-impl/resources/META-INF/VcsExtensions.xml

@@ -419,8 +419,6 @@
               topic="com.intellij.openapi.vcs.changes.shelf.ShelveChangesManagerListener"/>
     <listener class="com.intellij.openapi.vcs.actions.AnnotationsLineStatusTrackerListener"
               topic="com.intellij.openapi.vcs.impl.LineStatusTrackerManager$Listener"/>
-    <listener class="com.intellij.vcs.commit.ChangesViewToolWindowRefresher"
-              topic="com.intellij.openapi.wm.ex.ToolWindowManagerListener"/>
   </projectListeners>
 </idea-plugin>
 

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ChangesViewManager.kt

@@ -28,12 +28,14 @@ import com.intellij.ui.components.JBLabel
 import com.intellij.ui.components.panels.Wrapper
 import com.intellij.ui.content.Content
 import com.intellij.util.ModalityUiUtil.invokeLaterIfNeeded
+import com.intellij.util.cancelOnDispose
 import com.intellij.util.concurrency.annotations.RequiresEdt
 import com.intellij.util.ui.JBDimension
 import com.intellij.util.ui.JBUI
 import com.intellij.util.ui.JBUI.Panels
 import com.intellij.util.ui.UIUtil
 import com.intellij.util.ui.components.BorderLayoutPanel
+import com.intellij.util.ui.launchOnShow
 import com.intellij.vcs.changes.viewModel.ChangesViewProxy
 import com.intellij.vcs.commit.*
 import com.intellij.vcs.commit.CommitModeManager.Companion.subscribeOnCommitModeChange
@@ -212,6 +214,10 @@ class ChangesViewManager internal constructor(private val project: Project, priv
       val mainPanel = Panels.simplePanel(mainPanelContent).addToBottom(progressLabel)
       setContent(mainPanel)
 
+      mainPanel.launchOnShow("Changes refresh on changes show") {
+        ChangeListManagerRefreshHelper.requestRefresh(project)
+      }.cancelOnDispose(this)
+
       busConnection.subscribeOnVcsToolWindowLayoutChanges(Runnable { this.updatePanelLayout() })
       updatePanelLayout()
     }

platform/vcs-impl/src/com/intellij/vcs/commit/ChangesViewToolWindowRefresher.kt

@@ -1,17 +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.vcs.commit
-
-import com.intellij.openapi.project.Project
-import com.intellij.openapi.vcs.changes.ChangeListManagerRefreshHelper
-import com.intellij.openapi.vcs.changes.ui.ChangesViewContentManager
-import com.intellij.openapi.vcs.changes.ui.ChangesViewContentManager.Companion.LOCAL_CHANGES
-import com.intellij.openapi.wm.ToolWindow
-import com.intellij.openapi.wm.ex.ToolWindowManagerListener
-
-private class ChangesViewToolWindowRefresher(private val project: Project) : ToolWindowManagerListener {
-  override fun toolWindowShown(toolWindow: ToolWindow) {
-    if (ChangesViewContentManager.getToolWindowIdFor(project, LOCAL_CHANGES) == toolWindow.id) {
-      ChangeListManagerRefreshHelper.requestRefresh(project)
-    }
-  }
-}

plugins/git4idea/src/git4idea/index/ui/GitStagePanel.kt

@@ -173,6 +173,10 @@ internal class GitStagePanel(
     })
     commitWorkflowHandler.workflow.addListener(MyCommitWorkflowListener(), this)
 
+    launchOnShow("Changes refresh on changes show") {
+      ChangeListManagerRefreshHelper.requestRefresh(project)
+    }.cancelOnDispose(this)
+
     if (isRefreshInProgress()) {
       tree.setEmptyText(message("stage.loading.status"))
       progressStripe.startLoadingImmediately()