From 865332c8731c17a6bef40b68c9cf7ef1cc409583 Mon Sep 17 00:00:00 2001
From: Maria Sokolova <maria.sokolova@jetbrains.com>
Date: Thu, 31 Jul 2025 18:01:55 +0200
Subject: [PATCH] [rd debugger] New splitted FreezeThreadAction based on
 XDebuggerTree (RPC)

IJPL-199588

GitOrigin-RevId: efa58ccba991bb3eaced63acdd4786058f1dc5ec
---
 .../backend/BackendJavaDebuggerSessionApi.kt  |  8 +++
 .../messages/JavaDebuggerBundle.properties    |  3 +-
 .../intellij.java.debugger.impl.shared.xml    |  3 ++
 .../JavaDebuggerSharedBundle.properties       |  4 +-
 .../impl/shared/actions/FreezeThreadAction.kt | 50 +++++++++++++++++++
 .../impl/shared/rpc/JavaDebuggerSessionApi.kt |  2 +
 .../src/idea/XDebuggerActions.xml             |  8 ++-
 7 files changed, 74 insertions(+), 4 deletions(-)
 create mode 100644 java/debugger/shared/src/com/intellij/java/debugger/impl/shared/actions/FreezeThreadAction.kt

diff --git a/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt b/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt
index 7a51c39d6dd1..92d79c53221b 100644
--- a/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt
+++ b/java/debugger/backend/src/com/intellij/java/debugger/impl/backend/BackendJavaDebuggerSessionApi.kt
@@ -67,6 +67,10 @@ internal class BackendJavaDebuggerSessionApi : JavaDebuggerSessionApi {
     invokeThreadCommand(executionStackId, ThreadCommand.RESUME)
   }
 
+  override suspend fun freezeThread(executionStackId: XExecutionStackId) {
+    invokeThreadCommand(executionStackId, ThreadCommand.FREEZE)
+  }
+
   private fun invokeThreadCommand(executionStackId: XExecutionStackId, command: ThreadCommand) {
     val executionStackModel = executionStackId.findValue() ?: return
     val xSession = executionStackModel.session
@@ -83,8 +87,12 @@ internal class BackendJavaDebuggerSessionApi : JavaDebuggerSessionApi {
       ThreadCommand.RESUME -> {
         ResumeThreadAction.resumeThread(threadProxy, debugProcess, managerThread)
       }
+      ThreadCommand.FREEZE -> {
+        FreezeThreadAction.freezeThread(threadProxy, debugProcess, managerThread)
+      }
     }
   }
+
   companion object {
     private enum class ThreadCommand { FREEZE, RESUME }
   }
diff --git a/java/debugger/openapi/resources/messages/JavaDebuggerBundle.properties b/java/debugger/openapi/resources/messages/JavaDebuggerBundle.properties
index 975f87d91cc6..e22959e6e754 100644
--- a/java/debugger/openapi/resources/messages/JavaDebuggerBundle.properties
+++ b/java/debugger/openapi/resources/messages/JavaDebuggerBundle.properties
@@ -37,7 +37,8 @@ button.drop.anyway=Do Not Execute
 button.execute.finally=Execute Finally Blocks
 drop.frame.error.no.information=Information about the frame is not available
 progress.evaluating=Evaluating {0}
-action.resume.thread.text.resume=Resume
+action.resume.thread.text=Resume
+action.freeze.thread.text=Freeze
 action.interrupt.thread.text=Interrupt
 title.set.value=Set Value
 warning.recalculate=The value will be recalculated
diff --git a/java/debugger/shared/resources/intellij.java.debugger.impl.shared.xml b/java/debugger/shared/resources/intellij.java.debugger.impl.shared.xml
index 9f252ab52d42..f754e3fc1f0a 100644
--- a/java/debugger/shared/resources/intellij.java.debugger.impl.shared.xml
+++ b/java/debugger/shared/resources/intellij.java.debugger.impl.shared.xml
@@ -25,6 +25,9 @@
     <action id="Debugger.XThreadsView.ResumeThread" class="com.intellij.java.debugger.impl.shared.actions.ResumeThreadAction">
       <add-to-group group-id="XDebugger.Threads.View.Popup"/>
     </action>
+    <action id="Debugger.XThreadsView.FreezeThread" class="com.intellij.java.debugger.impl.shared.actions.FreezeThreadAction">
+      <add-to-group group-id="XDebugger.Threads.View.Popup"/>
+    </action>>
     <action class="com.intellij.debugger.memory.action.ShowInstancesByClassAction"
             id="MemoryView.ShowInstancesFromDebuggerTree">
       <add-to-group group-id="XDebugger.ValueGroup" anchor="after"
diff --git a/java/debugger/shared/resources/messages/JavaDebuggerSharedBundle.properties b/java/debugger/shared/resources/messages/JavaDebuggerSharedBundle.properties
index ae86f47326e4..5af42a06d007 100644
--- a/java/debugger/shared/resources/messages/JavaDebuggerSharedBundle.properties
+++ b/java/debugger/shared/resources/messages/JavaDebuggerSharedBundle.properties
@@ -6,4 +6,6 @@ action.show.objects.text=Show {0} Objects\u2026
 action.MemoryView.ShowInstancesFromDebuggerTree.text=Show Instances
 action.Memory.CalculateRetainedSize.text=Calculate Retained Size\u2026
 action.resume.thread.text=Resume
-action.Debugger.XThreadsView.ResumeThread.text=Resume
\ No newline at end of file
+action.freeze.thread.text=Freeze
+action.Debugger.XThreadsView.ResumeThread.text=Resume
+action.Debugger.XThreadsView.FreezeThread.text=Freeze
\ No newline at end of file
diff --git a/java/debugger/shared/src/com/intellij/java/debugger/impl/shared/actions/FreezeThreadAction.kt b/java/debugger/shared/src/com/intellij/java/debugger/impl/shared/actions/FreezeThreadAction.kt
new file mode 100644
index 000000000000..d363e78e7749
--- /dev/null
+++ b/java/debugger/shared/src/com/intellij/java/debugger/impl/shared/actions/FreezeThreadAction.kt
@@ -0,0 +1,50 @@
+// 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.java.debugger.impl.shared.actions
+
+import com.intellij.java.debugger.impl.shared.JavaDebuggerSharedBundle
+import com.intellij.java.debugger.impl.shared.rpc.JavaDebuggerSessionApi
+import com.intellij.openapi.actionSystem.ActionUpdateThread
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.actionSystem.remoting.ActionRemoteBehaviorSpecification
+import com.intellij.xdebugger.impl.frame.XDebugManagerProxy
+import com.intellij.xdebugger.impl.ui.DebuggerUIUtil
+import com.intellij.xdebugger.impl.ui.tree.actions.XDebuggerTreeActionBase
+import com.intellij.xdebugger.impl.ui.tree.nodes.XValueNodeImpl
+import kotlinx.coroutines.launch
+
+private class FreezeThreadAction : XDebuggerTreeActionBase(), ActionRemoteBehaviorSpecification.FrontendOtherwiseBackend {
+  override fun perform(node: XValueNodeImpl?, nodeName: String, e: AnActionEvent) {
+    if (node == null) return
+    val project = e.project
+    if (project == null) {
+      return
+    }
+    val sessionProxy = DebuggerUIUtil.getSessionProxy(e) ?: return
+    sessionProxy.coroutineScope.launch {
+      val executionStack = node.executionStackOrNull ?: return@launch
+      XDebugManagerProxy.getInstance().withId(executionStack, sessionProxy) { xExecutionStackId ->
+        JavaDebuggerSessionApi.getInstance().freezeThread(xExecutionStackId)
+      }
+      sessionProxy.rebuildViews()
+    }
+
+  }
+
+  override fun update(e: AnActionEvent) {
+    val selectedNodes = getSelectedNodes(e.dataContext)
+    e.presentation.apply {
+      isEnabledAndVisible = false
+      if (DebuggerUIUtil.getSessionProxy(e) == null) {
+        return
+      }
+      if (selectedNodes.isNotEmpty() && selectedNodes.all { it.isNotSuspendedJavaThread() }) {
+        text = JavaDebuggerSharedBundle.message("action.freeze.thread.text")
+        isEnabledAndVisible = true
+      }
+    }
+  }
+
+  override fun getActionUpdateThread(): ActionUpdateThread {
+    return ActionUpdateThread.EDT
+  }
+}
diff --git a/java/debugger/shared/src/com/intellij/java/debugger/impl/shared/rpc/JavaDebuggerSessionApi.kt b/java/debugger/shared/src/com/intellij/java/debugger/impl/shared/rpc/JavaDebuggerSessionApi.kt
index 7e3093150f0b..0e92f04385be 100644
--- a/java/debugger/shared/src/com/intellij/java/debugger/impl/shared/rpc/JavaDebuggerSessionApi.kt
+++ b/java/debugger/shared/src/com/intellij/java/debugger/impl/shared/rpc/JavaDebuggerSessionApi.kt
@@ -28,6 +28,8 @@ interface JavaDebuggerSessionApi : RemoteApi<Unit> {
 
   suspend fun resumeThread(executionStackId: XExecutionStackId)
 
+  suspend fun freezeThread(executionStackId: XExecutionStackId)
+
   companion object {
     @JvmStatic
     suspend fun getInstance(): JavaDebuggerSessionApi {
diff --git a/platform/platform-resources/src/idea/XDebuggerActions.xml b/platform/platform-resources/src/idea/XDebuggerActions.xml
index 1b91b2c3d015..478c080c29db 100644
--- a/platform/platform-resources/src/idea/XDebuggerActions.xml
+++ b/platform/platform-resources/src/idea/XDebuggerActions.xml
@@ -3,6 +3,9 @@
     <group id="XDebugger.Frames.Tree.Popup.Frontend">
       <reference ref="Debugger.PopFrame"/>
     </group>
+    <group id="XDebugger.Threads.View.Popup">
+      <reference ref="Debugger.PopFrame"/>
+    </group>
     <group id="XDebugger.Inspect.Tree.Popup.Frontend">
       <group id="XDebugger.Inspect.Tree.Popup.Top.Section.Frontend"/>
       <separator/>
@@ -120,6 +123,7 @@
         <synonym key="action.Debugger.ThawSelectedThreads.synonym"/>
       </action>
       <action id="Debugger.ShowLibraryFrames" class="com.intellij.xdebugger.impl.actions.ShowLibraryFramesAction"/>
+      <action id="Debugger.CopyStack" class="com.intellij.xdebugger.impl.frame.XDebuggerFramesList$CopyStackAction" icon="AllIcons.Actions.Copy"/>
     </group>
 
     <group id="XDebugger.ToolWindow.TopToolbar">
@@ -195,9 +199,9 @@
 
     <group id="XDebugger.Frames.Tree.Popup">
       <reference ref="Debugger.PopFrame" />
-      <action id="Debugger.CopyStack" class="com.intellij.xdebugger.impl.frame.XDebuggerFramesList$CopyStackAction" icon="AllIcons.Actions.Copy">
+      <reference ref="Debugger.CopyStack">
         <add-to-group group-id="XDebugger.Frames.Tree.Popup.Frontend"/>
-      </action>
+      </reference>
     </group>
 
     <group id="XDebugger.Frames.TopToolbar">