Complete table support in ChromeVox Next.

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 180 matching lines @@
   if (!ChromeVoxState.instance.currentRange_)
     return true;
 
   // Next/compat commands hereafter.
   if (ChromeVoxState.instance.mode == ChromeVoxMode.CLASSIC) return true;
 
   var current = ChromeVoxState.instance.currentRange_;
   var dir = Dir.FORWARD;
   var pred = null;
   var predErrorMsg = undefined;
+  var rootPred = AutomationPredicate.root;
   var speechProps = {};
   switch (command) {
     case 'nextCharacter':
       speechProps['phoneticCharacters'] = true;
       current = current.move(cursors.Unit.CHARACTER, Dir.FORWARD);
       break;
     case 'previousCharacter':
       speechProps['phoneticCharacters'] = true;
       current = current.move(cursors.Unit.CHARACTER, Dir.BACKWARD);
       break;
@@ skipping 248 matching lines @@
               new cursors.Cursor(root.focusObject, root.focusOffset));
           var o = new Output()
                       .format('@end_selection')
                       .withSpeechAndBraille(sel, sel, Output.EventType.NAVIGATE)
                       .go();
         }
         ChromeVoxState.instance.pageSel_ = null;
         return false;
       }
       break;
+    case 'fullyDescribe':
+      var o = new Output();
+      o.withContextFirst()
+          .withRichSpeechAndBraille(current, null, Output.EventType.NAVIGATE)
+          .go();
+      return false;
+
+    // Table commands.
+    case 'previousRow':
+      dir = Dir.BACKWARD;
+      var tableOpts = {row: true, dir: dir};
+      pred = AutomationPredicate.makeTableCellPredicate(
+          current.start.node, tableOpts);
+      predErrorMsg = 'no_cell_above';
+      rootPred = AutomationPredicate.table;
+      break;
+    case 'previousCol':
+      dir = Dir.BACKWARD;
+      var tableOpts = {col: true, dir: dir};
+      pred = AutomationPredicate.makeTableCellPredicate(
+          current.start.node, tableOpts);
+      predErrorMsg = 'no_cell_left';
+      rootPred = AutomationPredicate.row;
+      break;
+    case 'nextRow':
+      dir = Dir.FORWARD;
+      var tableOpts = {row: true, dir: dir};
+      pred = AutomationPredicate.makeTableCellPredicate(
+          current.start.node, tableOpts);
+      predErrorMsg = 'no_cell_below';
+      rootPred = AutomationPredicate.table;
+      break;
+    case 'nextCol':
+      dir = Dir.FORWARD;
+      var tableOpts = {col: true, dir: dir};
+      pred = AutomationPredicate.makeTableCellPredicate(
+          current.start.node, tableOpts);
+      predErrorMsg = 'no_cell_right';
+      rootPred = AutomationPredicate.row;
+      break;
+    case 'goToRowFirstCell':
+    case 'goToRowLastCell':
+      var node = current.start.node;
+      while (node && node.role != RoleType.row)
+        node = node.parent;
+      if (!node)
+        break;
+      var end = AutomationUtil.findNodePost(node,
+          command == 'goToRowLastCell' ? Dir.BACKWARD : Dir.FORWARD,
+          AutomationPredicate.leaf);
+      if (end)
+        current = cursors.Range.fromNode(end);
+      break;
+    case 'goToColFirstCell':
+      dir = Dir.FORWARD;
+      var node = current.start.node;
+      while (node && node.role != RoleType.table)
+        node = node.parent;
+      if (!node || !node.firstChild)
+        return false;
+      var tableOpts = {col: true, dir: dir, end: true};
+      pred = AutomationPredicate.makeTableCellPredicate(
+          current.start.node, tableOpts);
+      current = cursors.Range.fromNode(node.firstChild);
+      // Should not be outputted.
+      predErrorMsg = 'no_cell_above';
+      rootPred = AutomationPredicate.table;
+      break;
+    case 'goToColLastCell':
+      dir = Dir.BACKWARD;
+      var node = current.start.node;
+      while (node && node.role != RoleType.table)
+        node = node.parent;
+      if (!node || !node.lastChild)
+        return false;
+      var tableOpts = {col: true, dir: dir, end: true};
+      pred = AutomationPredicate.makeTableCellPredicate(
+          current.start.node, tableOpts);
+      current = cursors.Range.fromNode(node.lastChild);
+      // Should not be outputted.
+      predErrorMsg = 'no_cell_below';
+      rootPred = AutomationPredicate.table;
+      break;
+    case 'goToFirstCell':
+    case 'goToLastCell':
+      node = current.start.node;
+      while (node && node.role != RoleType.table)
+        node = node.parent;
+      if (!node)
+        break;
+      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 (pred) {
     var bound = current.getBound(dir).node;
     if (bound) {
       var node = AutomationUtil.findNextNode(
           bound, dir, pred, {skipInitialAncestry: true});
 
@@ skipping 64 matching lines @@
       break;
   }
   if (announcement) {
     cvox.ChromeVox.tts.speak(
         announcement, cvox.QueueMode.FLUSH,
         cvox.AbstractTts.PERSONALITY_ANNOTATION);
   }
 };
 
 }); //  goog.scope