Less strict checked state changes and introduce disabled state for content

chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
index bf88d841f8170caff2ff5ec3c0eabdf023877e89..14fd563dece0c5043cc09f689b5bf856af962b46 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js
@@ -129,11 +129,21 @@ DesktopAutomationHandler.prototype = {
    * @param {!AutomationEvent} evt
    */
   onEventIfInRange: function(evt) {
-    // TODO(dtseng): Consider the end of the current range as well.
-    if (AutomationUtil.isDescendantOf(
-        ChromeVoxState.instance.currentRange.start.node, evt.target) ||
-            evt.target.state.focused)
-      this.onEventDefault(evt);
+    if (evt.target.root.role != RoleType.desktop &&
+        ChromeVoxState.instance.mode === ChromeVoxMode.CLASSIC)
+      return;
+
+    var prev = ChromeVoxState.instance.currentRange;
+    if (AutomationUtil.isDescendantOf(prev.start.node, evt.target) ||
+        AutomationUtil.isDescendantOf(evt.target, prev.start.node) ||
+        evt.target.state.focused) {
+      // Intentionally skip setting range.
+      new Output()
+          .withRichSpeechAndBraille(cursors.Range.fromNode(evt.target),
+                                    prev,
+                                    Output.EventType.NAVIGATE)
+          .go();
+    }
   },
 
   /**