Chromium side Implementation to expose aria properties - setsize & posinset

content/renderer/accessibility/blink_ax_tree_source.cc

 // Copyright 2014 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.
 
 #include "content/renderer/accessibility/blink_ax_tree_source.h"
 
 #include <set>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 309 matching lines @@
 
   if (dst->role == ui::AX_ROLE_HEADING)
     dst->AddIntAttribute(ui::AX_ATTR_HIERARCHICAL_LEVEL, src.headingLevel());
   else if ((dst->role == ui::AX_ROLE_TREE_ITEM ||
             dst->role == ui::AX_ROLE_ROW) &&
            src.hierarchicalLevel() > 0) {
     dst->AddIntAttribute(ui::AX_ATTR_HIERARCHICAL_LEVEL,
                          src.hierarchicalLevel());
   }
 
+  if (src.ariaSetSize() > 0)
+    dst->AddIntAttribute(ui::AX_ATTR_SET_SIZE, src.ariaSetSize());
+
+  if (src.ariaPosInSet() > 0)
+    dst->AddIntAttribute(ui::AX_ATTR_POS_IN_SET, src.ariaPosInSet());
+
   // Treat the active list box item as focused.
   if (dst->role == ui::AX_ROLE_LIST_BOX_OPTION &&
       src.isSelectedOptionActive()) {
     dst->state |= (1 << ui::AX_STATE_FOCUSED);
   }
 
   if (src.canvasHasFallbackContent())
     dst->AddBoolAttribute(ui::AX_ATTR_CANVAS_HAS_FALLBACK, true);
 
   WebNode node = src.node();
@@ skipping 261 matching lines @@
     AddIntListAttributeFromWebObjects(ui::AX_ATTR_OWNS_IDS, owns, dst);
 }
 
 blink::WebDocument BlinkAXTreeSource::GetMainDocument() const {
   if (render_frame_ && render_frame_->GetWebFrame())
     return render_frame_->GetWebFrame()->document();
   return WebDocument();
 }
 
 }  // namespace content