Record ChromeVox metrics

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview ChromeVox commands.
  */
 
 goog.provide('CommandHandler');
 
@@ skipping 192 matching lines @@
       ChromeVoxState.instance.mode == ChromeVoxMode.NEXT_COMPAT)
     return true;
 
   var current = ChromeVoxState.instance.currentRange_;
   var dir = Dir.FORWARD;
   var pred = null;
   var predErrorMsg = undefined;
   var rootPred = AutomationPredicate.root;
   var speechProps = {};
   var skipSync = false;
+  var didNavigate = false;
   switch (command) {
     case 'nextCharacter':
+      didNavigate = true;
       speechProps['phoneticCharacters'] = true;
       current = current.move(cursors.Unit.CHARACTER, Dir.FORWARD);
       break;
     case 'previousCharacter':
+      didNavigate = true;
       speechProps['phoneticCharacters'] = true;
       current = current.move(cursors.Unit.CHARACTER, Dir.BACKWARD);
       break;
     case 'nextWord':
+      didNavigate = true;
       current = current.move(cursors.Unit.WORD, Dir.FORWARD);
       break;
     case 'previousWord':
+      didNavigate = true;
       current = current.move(cursors.Unit.WORD, Dir.BACKWARD);
       break;
     case 'forward':
     case 'nextLine':
+      didNavigate = true;
       current = current.move(cursors.Unit.LINE, Dir.FORWARD);
       break;
     case 'backward':
     case 'previousLine':
+      didNavigate = true;
       current = current.move(cursors.Unit.LINE, Dir.BACKWARD);
       break;
     case 'nextButton':
       dir = Dir.FORWARD;
       pred = AutomationPredicate.button;
       predErrorMsg = 'no_next_button';
       break;
     case 'previousButton':
       dir = Dir.BACKWARD;
       pred = AutomationPredicate.button;
@@ skipping 154 matching lines @@
       pred = AutomationPredicate.landmark;
       predErrorMsg = 'no_next_landmark';
       break;
     case 'previousLandmark':
       dir = Dir.BACKWARD;
       pred = AutomationPredicate.landmark;
       predErrorMsg = 'no_previous_landmark';
       break;
     case 'right':
     case 'nextObject':
+      didNavigate = true;
       current = current.move(cursors.Unit.NODE, Dir.FORWARD);
       break;
     case 'left':
     case 'previousObject':
+      didNavigate = true;
       current = current.move(cursors.Unit.NODE, Dir.BACKWARD);
       break;
     case 'previousGroup':
       skipSync = true;
       dir = Dir.BACKWARD;
       pred = AutomationPredicate.group;
       break;
     case 'nextGroup':
       skipSync = true;
       dir = Dir.FORWARD;
@@ skipping 234 matching lines @@
       var end = AutomationUtil.findNodePost(node,
           command == 'goToLastCell' ? Dir.BACKWARD : Dir.FORWARD,
           AutomationPredicate.leaf);
       if (end)
         current = cursors.Range.fromNode(end);
       break;
     default:
       return true;
   }
 
+  if (didNavigate)
+    chrome.metricsPrivate.recordUserAction('ChromeVox.Navigate');
+
   if (pred) {
+    chrome.metricsPrivate.recordUserAction('ChromeVox.Jump');
+
     var bound = current.getBound(dir).node;
     if (bound) {
       var node = AutomationUtil.findNextNode(
           bound, dir, pred, {skipInitialAncestry: true});
 
       if (node && !skipSync) {
         node = AutomationUtil.findNodePre(
                    node, Dir.FORWARD, AutomationPredicate.object) ||
             node;
       }
@@ skipping 77 matching lines @@
       break;
   }
   if (announcement) {
     cvox.ChromeVox.tts.speak(
         announcement, cvox.QueueMode.FLUSH,
         cvox.AbstractTts.PERSONALITY_ANNOTATION);
   }
 };
 
 }); //  goog.scope