Text controls should expose their value instead of their name via IAccessibleText

content/browser/accessibility/browser_accessibility.cc

 // Copyright (c) 2012 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.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 699 matching lines @@
     case ui::AX_ROLE_TAB:
     case ui::AX_ROLE_TEXT_FIELD:
     case ui::AX_ROLE_TOGGLE_BUTTON:
     case ui::AX_ROLE_TREE:
       return true;
     default:
       return false;
   }
 }
 
+// Some controls (native or ARIA-based) expose a visible value which is
+// separate from their name or label.
+// Examples include combo boxes and text fields, but don't include buttons.
+bool BrowserAccessibility::IsControlWithVisibleValue() const {
+  switch (GetRole()) {
+    case ui::AX_ROLE_COLOR_WELL:
+    case ui::AX_ROLE_COMBO_BOX:
+    case ui::AX_ROLE_DATE:
+    case ui::AX_ROLE_DATE_TIME:
+    case ui::AX_ROLE_INPUT_TIME:
+    case ui::AX_ROLE_LIST_BOX:
+    case ui::AX_ROLE_SCROLL_BAR:
+    case ui::AX_ROLE_SEARCH_BOX:
+    case ui::AX_ROLE_SLIDER:
+    case ui::AX_ROLE_SPIN_BUTTON:
+    case ui::AX_ROLE_TEXT_FIELD:
+      return true;
+    default:
+      return false;
+  }
+}
+
 int BrowserAccessibility::GetStaticTextLenRecursive() const {
   if (GetRole() == ui::AX_ROLE_STATIC_TEXT ||
       GetRole() == ui::AX_ROLE_LINE_BREAK) {
     return static_cast<int>(GetStringAttribute(ui::AX_ATTR_VALUE).size());
   }
 
   int len = 0;
   for (size_t i = 0; i < InternalChildCount(); ++i)
     len += InternalGetChild(i)->GetStaticTextLenRecursive();
   return len;
@@ skipping 59 matching lines @@
       }
       need_to_offset_web_area = true;
     }
     parent = parent->GetParent();
   }
 
   return bounds;
 }
 
 }  // namespace content