IJPL-59438 Fallback to opening What's New in the browser if screen reader support is on

Screen readers don't work with JCEF content, so we don't need to open it in the editor. Instead, fallback to opening the What's New URL in the browser or show a notification with the link.

GitOrigin-RevId: 30350f8c8a758f17928bb87de1c4613042803ad1

platform/platform-api/resources/messages/IdeBundle.properties

@@ -1015,6 +1015,7 @@ whats.new.timeout.message=The content for this page cannot be loaded. Please che
 whats.new.timeout.action=You can <a href="{0}" class="link" target="_blank">open this page in browser</a> or try again later.
 # 0 - IDE name (e.g. "IntelliJ IDEA"), 1 - IDE version (e.g. "2020.3")
 whats.new.notification.text={0} {1} est arriv\u00E9!
+whats.new.notification.text.regular.language={0} {1} has arrived!
 whats.new.notification.action=See what's new
 
 diff.dialog.title=Diff Between ''{0}'' and ''{1}''

platform/platform-impl/src/com/intellij/ide/actions/WhatsNewAction.java

@@ -27,6 +27,7 @@ import com.intellij.util.Urls;
 import com.intellij.util.system.CpuArch;
 import com.intellij.util.system.OS;
 import com.intellij.util.ui.StartupUiUtil;
+import com.intellij.util.ui.accessibility.ScreenReader;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -68,7 +69,7 @@ public final class WhatsNewAction extends AnAction implements DumbAware {
     }
 
     var project = e.getProject();
-    if (project != null && JBCefApp.isSupported()) {
+    if (project != null && JBCefApp.isSupported() && !ScreenReader.isActive()) {
       openWhatsNewPage(project, url, false);
     }
     else {
@@ -78,11 +79,16 @@ public final class WhatsNewAction extends AnAction implements DumbAware {
 
   @ApiStatus.Internal
   public static void openWhatsNewPage(@NotNull Project project, @NotNull String url, boolean onUpgrade) {
-    if (!JBCefApp.isSupported()) {
+    if (!JBCefApp.isSupported() ||
+        // JCEF is not accessible for screen readers (IJPL-59438), so also fallback to the notification
+        ScreenReader.isActive()) {
       var name = ApplicationNamesInfo.getInstance().getFullProductName();
       var version = ApplicationInfo.getInstance().getShortVersion();
+      String notificationText =
+        IdeBundle.message(ScreenReader.isActive() ? "whats.new.notification.text.regular.language" : "whats.new.notification.text", name,
+                          version);
       UpdateChecker.getNotificationGroupForIdeUpdateResults()
-        .createNotification(IdeBundle.message("whats.new.notification.text", name, version), NotificationType.INFORMATION)
+        .createNotification(notificationText, NotificationType.INFORMATION)
         .setIcon(AllIcons.Nodes.PpWeb)
         .setDisplayId("ide.whats.new")
         .addAction(NotificationAction.createSimpleExpiring(IdeBundle.message("whats.new.notification.action"), () -> BrowserUtil.browse(url)))

platform/whatsNew/src/com/intellij/platform/whatsNew/WhatsNewContent.kt

@@ -29,6 +29,7 @@ import com.intellij.ui.jcef.JBCefApp
 import com.intellij.util.application
 import com.intellij.util.io.DigestUtil
 import com.intellij.util.ui.StartupUiUtil
+import com.intellij.util.ui.accessibility.ScreenReader
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
@@ -38,7 +39,9 @@ import java.net.URL
 internal abstract class WhatsNewContent() {
   companion object {
     suspend fun getWhatsNewContent(): WhatsNewContent? {
-      return if (WhatsNewInVisionContentProvider.getInstance().isAvailable()) {
+      return if (WhatsNewInVisionContentProvider.getInstance().isAvailable() &&
+                 // JCEF is not accessible for screen readers (IJPL-59438), so also need to open the page in the browser
+                 !ScreenReader.isActive()) {
         val provider = WhatsNewInVisionContentProvider.getInstance()
         WhatsNewVisionContent(provider, provider.getContent().entities.first())
       } else {