[debugger] IJPL-158332 Add successful hot swap notification

GitOrigin-RevId: f8966176b738d993743120407077986ed46b568c

java/debugger/impl/src/com/intellij/debugger/impl/ReloadClassesWorker.java

@@ -137,10 +137,12 @@ class ReloadClassesWorker {
 
       final int partiallyRedefinedClassesCount = redefineProcessor.getPartiallyRedefinedClassesCount();
       if (partiallyRedefinedClassesCount == 0) {
-        myProgress.addMessage(
-          myDebuggerSession, MessageCategory.INFORMATION,
-          JavaDebuggerBundle.message("status.classes.reloaded", redefineProcessor.getProcessedClassesCount())
-        );
+        if (!Registry.is("debugger.hotswap.floating.toolbar")) {
+          myProgress.addMessage(
+            myDebuggerSession, MessageCategory.INFORMATION,
+            JavaDebuggerBundle.message("status.classes.reloaded", redefineProcessor.getProcessedClassesCount())
+          );
+        }
       }
       else {
         final String message = JavaDebuggerBundle.message(

platform/xdebugger-api/resources/messages/XDebuggerBundle.properties

@@ -334,3 +334,4 @@ xdebugger.visualized.text.name.jwt=JWT
 xdebugger.visualized.text.name.url=URL (decoded)
 
 xdebugger.hotswap.code.changed=Code changed:
+xdebugger.hotswap.status.success=Code has been reloaded

platform/xdebugger-impl/src/com/intellij/xdebugger/impl/hotswap/HotSwapSessionManager.kt

@@ -54,6 +54,7 @@ class HotSwapSession<T>(val project: Project, internal val provider: HotSwapProv
   internal val coroutineScope = parentScope.childScope("HotSwapSession $this")
   private val hasActiveChanges = AtomicBoolean()
   private lateinit var changesCollector: SourceFileChangesCollector<T>
+
   @Volatile
   internal var currentStatus: HotSwapVisibleStatus = HotSwapVisibleStatus.NO_CHANGES
     private set(value) {
@@ -91,6 +92,7 @@ class HotSwapSession<T>(val project: Project, internal val provider: HotSwapProv
   fun createStatusListener() = object : HotSwapResultListener {
     override fun onCompleted() {
       completeHotSwap()
+      HotSwapStatusNotificationManager.getInstance(project).showSuccessNotification(coroutineScope)
     }
 
     override fun onFailed() {

platform/xdebugger-impl/src/com/intellij/xdebugger/impl/hotswap/HotSwapStatusNotificationManager.kt

@@ -0,0 +1,70 @@
+// 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.xdebugger.impl.hotswap
+
+import com.intellij.execution.multilaunch.design.components.RoundedCornerBorder
+import com.intellij.icons.AllIcons
+import com.intellij.openapi.Disposable
+import com.intellij.openapi.application.EDT
+import com.intellij.openapi.components.Service
+import com.intellij.openapi.components.service
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.ui.popup.Balloon
+import com.intellij.openapi.ui.popup.JBPopupFactory
+import com.intellij.openapi.wm.WindowManager
+import com.intellij.ui.BalloonImpl
+import com.intellij.ui.JBColor
+import com.intellij.ui.awt.RelativePoint
+import com.intellij.ui.components.JBLabel
+import com.intellij.util.ui.JBUI
+import com.intellij.xdebugger.XDebuggerBundle
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.jetbrains.annotations.ApiStatus
+import java.awt.BorderLayout
+import java.awt.Point
+import javax.swing.JPanel
+import javax.swing.SwingConstants
+import kotlin.time.Duration.Companion.seconds
+
+@ApiStatus.Internal
+@Service(Service.Level.PROJECT)
+class HotSwapStatusNotificationManager(private val project: Project) : Disposable.Default {
+  companion object {
+    fun getInstance(project: Project): HotSwapStatusNotificationManager = project.service()
+  }
+
+  fun showSuccessNotification(scope: CoroutineScope, disposable: Disposable? = null) {
+    scope.launch(Dispatchers.EDT) {
+      val frame = WindowManager.getInstance().getFrame(project) ?: return@launch
+      val factory = JBPopupFactory.getInstance() ?: return@launch
+
+      val balloon = factory.createBalloonBuilder(SuccessfulHotSwapComponent())
+        .setBorderColor(JBColor.border())
+        .setCornerRadius(JBUI.scale(RADIUS))
+        .setBorderInsets(JBUI.emptyInsets())
+        .setFadeoutTime(NOTIFICATION_TIME_SECONDS.seconds.inWholeMilliseconds)
+        .setBlockClicksThroughBalloon(true)
+        .setHideOnAction(false)
+        .setHideOnClickOutside(false)
+        .apply { if (disposable != null) setDisposable(disposable) }
+        .createBalloon()
+
+      if (balloon is BalloonImpl) {
+        balloon.setShowPointer(false)
+      }
+      balloon.show(RelativePoint(frame, Point(frame.width / 2, 2 * frame.height / 3)), Balloon.Position.below)
+    }
+  }
+}
+
+private const val RADIUS = 10
+private const val NOTIFICATION_TIME_SECONDS = 3
+
+private class SuccessfulHotSwapComponent : JPanel(BorderLayout()) {
+  init {
+    isOpaque = false
+    border = RoundedCornerBorder(JBUI.scale(RADIUS))
+    add(JBLabel(XDebuggerBundle.message("xdebugger.hotswap.status.success"), AllIcons.Status.Success, SwingConstants.CENTER))
+  }
+}