8087557: [Win] [Accessibility, Dialogs] Alert Dialog content is not fully read by Screen Reader

modules/javafx.controls/src/main/java/javafx/scene/control/DialogPane.java

@@ -53,6 +53,7 @@
 import javafx.css.StyleableStringProperty;
 import javafx.event.ActionEvent;
 import javafx.geometry.Pos;
+import javafx.scene.AccessibleRole;
 import javafx.scene.Node;
 import javafx.scene.control.ButtonBar.ButtonData;
 import javafx.scene.image.Image;
@@ -209,6 +210,7 @@ static Label createContentLabel(String text) {
      */
     public DialogPane() {
         getStyleClass().add("dialog-pane");
+        setAccessibleRole(AccessibleRole.DIALOG);
 
         headerTextPanel = new GridPane();
         getChildren().add(headerTextPanel);

modules/javafx.controls/src/test/java/test/javafx/scene/control/DialogTest.java

@@ -25,13 +25,13 @@
 package test.javafx.scene.control;
 
 import com.sun.javafx.tk.Toolkit;
+import javafx.scene.AccessibleRole;
 import javafx.scene.control.ButtonType;
 import javafx.scene.control.Dialog;
 import javafx.scene.layout.StackPane;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
-
 import static org.junit.Assert.assertEquals;
 
 /** Tests for the {@link Dialog} class. */
@@ -80,6 +80,11 @@ public void testDialogMinHeight() {
         assertEquals(minHeight, dialog.getDialogPane().getMinHeight(), 0);
     }
 
+    @Test
+    public void testAccessibleRole() {
+        assertEquals(AccessibleRole.DIALOG, dialog.getDialogPane().getAccessibleRole());
+    }
+
     @Test
     public void testDialogPrefHeight() {
         int prefHeight = 400;

modules/javafx.graphics/src/main/java/com/sun/glass/ui/mac/MacAccessible.java

@@ -1299,6 +1299,7 @@ private MacVariant accessibilityAttributeValue(long attribute) {
                         case PAGE_ITEM: result = "page"; break;
                         case TAB_ITEM: result = "tab"; break;
                         case LIST_VIEW: result = "list"; break;
+                        case DIALOG: result = "dialog"; break;
                         default:
                             MacRole macRole = getRole(role);
                             MacSubrole subRole = MacSubrole.getRole(role);

modules/javafx.graphics/src/main/java/com/sun/glass/ui/win/WinAccessible.java

@@ -105,6 +105,7 @@ final class WinAccessible extends Accessible {
     private static final int UIA_ToggleToggleStatePropertyId     = 30086;
     private static final int UIA_AriaRolePropertyId              = 30101;
     private static final int UIA_ProviderDescriptionPropertyId   = 30107;
+    private static final int UIA_IsDialogPropertyId              = 30174;
 
     /* Control Pattern Identifiers */
     private static final int UIA_InvokePatternId                 = 10000;
@@ -795,6 +796,7 @@ private WinVariant GetPropertyValue(int propertyId) {
                     switch (role) {
                         case TITLED_PANE: description = "title pane"; break;
                         case PAGE_ITEM: description = "page"; break;
+                        case DIALOG: description = "dialog"; break;
                         default:
                     }
                 }
@@ -834,6 +836,12 @@ private WinVariant GetPropertyValue(int propertyId) {
                 variant.boolVal = focus != null ? focus : false;
                 break;
             }
+            case UIA_IsDialogPropertyId: {
+                AccessibleRole role = (AccessibleRole) getAttribute(ROLE);
+                variant = new WinVariant();
+                variant.vt = WinVariant.VT_BOOL;
+                variant.boolVal = (role == AccessibleRole.DIALOG);
+            } break;
             case UIA_IsContentElementPropertyId:
             case UIA_IsControlElementPropertyId: {
                 //TODO how to handle ControlElement versus ContentElement

modules/javafx.graphics/src/main/java/javafx/scene/AccessibleRole.java

@@ -822,4 +822,18 @@ public enum AccessibleRole {
      * </ul>
      */
     TREE_VIEW,
+
+    /**
+     * Dialog role.
+     * <p>
+     * Attributes:
+     * <ul>
+     * <li> {@link AccessibleAttribute#TEXT} </li>
+     * <li> {@link AccessibleAttribute#ROLE_DESCRIPTION} </li>
+     * <li> {@link AccessibleAttribute#CHILDREN} </li>
+     * </ul>
+     *
+     * @since 20
+     */
+    DIALOG
 }

modules/javafx.graphics/src/main/java/javafx/scene/Scene.java

@@ -6522,7 +6522,13 @@ Accessible getAccessible() {
                             }
                             return getRoot();//not sure
                         }
-                        case ROLE: return AccessibleRole.PARENT;
+                        case ROLE: {
+                            if (getRoot() != null && getRoot().getAccessibleRole() == AccessibleRole.DIALOG) {
+                                return AccessibleRole.DIALOG;
+                            } else {
+                                return AccessibleRole.PARENT;
+                            }
+                        }
                         case SCENE: return Scene.this;
                         case FOCUS_NODE: {
                             if (transientFocusContainer != null) {