IDEA-384931 [debugger]: Introduce canBeHidden property to filter out items in the dump

GitOrigin-RevId: 8875abcb6902ddc43f5373ef681dac133daad527

java/java-frontback-impl/src/com/intellij/unscramble/DumpItem.kt

@@ -53,6 +53,11 @@ interface DumpItem {
    */
   val isContainer: Boolean
 
+  /**
+   * May be used in the UI to hide some items from the dump.
+   */
+  val canBeHidden: Boolean
+
   companion object {
     @JvmField
     val SLEEPING_ATTRIBUTES: SimpleTextAttributes = SimpleTextAttributes.GRAY_ATTRIBUTES
@@ -163,6 +168,9 @@ private class JavaThreadDumpItem(private val threadState: ThreadState) : Mergeab
   override val parentId: Long?
     get() = threadState.threadContainerUniqueId
 
+  override val canBeHidden: Boolean
+    get() = threadState.isVirtual
+
   override val stateDesc: String
     get() {
       val trimmedState = (threadState.threadStateDetail ?: threadState.state).let {
@@ -296,6 +304,9 @@ private class JavaVirtualThreadContainerItem(private val containerName: String,
   override val isContainer: Boolean
     get() = true
 
+  override val canBeHidden: Boolean
+    get() = true
+
   override val stateDesc: @NlsSafe String
     get() = "" // todo we can add threadsCount to the state
 
@@ -362,8 +373,13 @@ class InfoDumpItem(private val title: @Nls String, private val details: @NlsSafe
     get() = emptySet()
   override val isContainer: Boolean
     get() = false
+
+  override val canBeHidden: Boolean
+    get() = false
+
   override val id: Long
     get() = this.hashCode().toLong()
+
   override val parentId: Long?
     get() = null
 }

java/java-frontback-impl/src/com/intellij/unscramble/ThreadDumpPanel.java

@@ -200,7 +200,7 @@ public final class ThreadDumpPanel extends JPanel implements NoStackTraceFolding
     toolbarActions.add(new SortThreadsAction());
     toolbarActions.add(new ExportToTextFileToolbarAction(createDumpToFileExporter(project, myThreadDump)));
     toolbarActions.add(new MergeStacktracesAction());
-    toolbarActions.add(new ShowHierarchyAction());
+    toolbarActions.add(new ShowDumpItemGroups());
     toolbarActions.add(new ShowOnlyPlatformThreads());
 
     ActionToolbar toolbar = ActionManager.getInstance().createActionToolbar("ThreadDump", toolbarActions, false);
@@ -282,14 +282,8 @@ public final class ThreadDumpPanel extends JPanel implements NoStackTraceFolding
 
         for (DumpItem threadState : filteredThreadStates) {
           if (threadState.isContainer()) continue;
-          if (showOnlyPlatformThreads) {
-            // todo define if an item corresponds to a platform thread
-            if (!Objects.equals(threadState.getIconToolTip(), JavaFrontbackBundle.message("dump.item.java.thread.icon.tooltip.virtual"))) {
-              treeRoot.add(new DefaultMutableTreeNode(threadState));
-            }
-          } else {
-            treeRoot.add(new DefaultMutableTreeNode(threadState));
-          }
+          if (showOnlyPlatformThreads && threadState.getCanBeHidden()) continue;
+          treeRoot.add(new DefaultMutableTreeNode(threadState));
         }
       }
     }
@@ -490,8 +484,8 @@ public final class ThreadDumpPanel extends JPanel implements NoStackTraceFolding
     }
   }
 
-  private final class ShowHierarchyAction extends ToggleAction implements DumbAware {
-    private ShowHierarchyAction() {
+  private final class ShowDumpItemGroups extends ToggleAction implements DumbAware {
+    private ShowDumpItemGroups() {
       super(JavaFrontbackBundle.lazyMessage("action.text.group.dump.items"), JavaFrontbackBundle.lazyMessage(
         "action.description.group.dump.items"), AllIcons.Hierarchy.Subtypes);
     }