Chromium side Implementation to expose aria properties - setsize & posinset

content/browser/accessibility/browser_accessibility_android.cc

 // Copyright 2013 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/browser/accessibility/browser_accessibility_android.h"
 
 #include "base/i18n/break_iterator.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 427 matching lines @@
 
   return text;
 }
 
 int BrowserAccessibilityAndroid::GetItemIndex() const {
   int index = 0;
   switch (GetRole()) {
     case ui::AX_ROLE_LIST_ITEM:
     case ui::AX_ROLE_LIST_BOX_OPTION:
     case ui::AX_ROLE_TREE_ITEM:
-      index = GetIndexInParent();
+      index = GetIntAttribute(ui::AX_ATTR_POS_IN_SET) - 1;
       break;
     case ui::AX_ROLE_SLIDER:
     case ui::AX_ROLE_PROGRESS_INDICATOR: {
       // Return a percentage here for live feedback in an AccessibilityEvent.
       // The exact value is returned in RangeCurrentValue.
       float min = GetFloatAttribute(ui::AX_ATTR_MIN_VALUE_FOR_RANGE);
       float max = GetFloatAttribute(ui::AX_ATTR_MAX_VALUE_FOR_RANGE);
       float value = GetFloatAttribute(ui::AX_ATTR_VALUE_FOR_RANGE);
       if (max > min && value >= min && value <= max)
         index = static_cast<int>(((value - min)) * 100 / (max - min));
@@ skipping 416 matching lines @@
 int BrowserAccessibilityAndroid::CountChildrenWithRole(ui::AXRole role) const {
   int count = 0;
   for (uint32 i = 0; i < PlatformChildCount(); i++) {
     if (PlatformGetChild(i)->GetRole() == role)
       count++;
   }
   return count;
 }
 
 }  // namespace content