AX checked state changes

ui/accessibility/platform/ax_platform_node_auralinux.cc

 // Copyright 2015 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 "ui/accessibility/platform/ax_platform_node_auralinux.h"
 
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 443 matching lines @@
       return ATK_ROLE_SECTION;
 #endif
     case ui::AX_ROLE_WINDOW:
       return ATK_ROLE_WINDOW;
     default:
       return ATK_ROLE_UNKNOWN;
   }
 }
 
 void AXPlatformNodeAuraLinux::GetAtkState(AtkStateSet* atk_state_set) {
-  uint32_t state = GetData().state;
+  const uint32_t state = GetData().state;
 
-  if (state & (1 << ui::AX_STATE_CHECKED))
-    atk_state_set_add_state(atk_state_set, ATK_STATE_CHECKED);
   if (state & (1 << ui::AX_STATE_DEFAULT))
     atk_state_set_add_state(atk_state_set, ATK_STATE_DEFAULT);
   if (state & (1 << ui::AX_STATE_EDITABLE))
     atk_state_set_add_state(atk_state_set, ATK_STATE_EDITABLE);
   if (!(state & (1 << ui::AX_STATE_DISABLED)))
     atk_state_set_add_state(atk_state_set, ATK_STATE_ENABLED);
   if (state & (1 << ui::AX_STATE_EXPANDED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_EXPANDED);
   if (state & (1 << ui::AX_STATE_FOCUSABLE))
     atk_state_set_add_state(atk_state_set, ATK_STATE_FOCUSABLE);
   if (state & (1 << ui::AX_STATE_PRESSED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_PRESSED);
   if (state & (1 << ui::AX_STATE_SELECTABLE))
     atk_state_set_add_state(atk_state_set, ATK_STATE_SELECTABLE);
   if (state & (1 << ui::AX_STATE_SELECTED))
     atk_state_set_add_state(atk_state_set, ATK_STATE_SELECTED);
 
+  // Checked state
+  const auto checked_state = static_cast<ui::AXCheckedState>(
+      GetIntAttribute(ui::AX_ATTR_CHECKED_STATE));
+  switch (checked_state) {
+    case ui::AX_CHECKED_STATE_MIXED:
+      atk_state_set_add_state(atk_state_set, ATK_STATE_INDETERMINATE);
+      break;
+    case ui::AX_CHECKED_STATE_TRUE:
+      atk_state_set_add_state(atk_state_set, ATK_STATE_CHECKED);
+      break;
+    default:
+      break;
+  }
+
   if (delegate_->GetFocus() == GetNativeViewAccessible())
     atk_state_set_add_state(atk_state_set, ATK_STATE_FOCUSED);
 }
 
 void AXPlatformNodeAuraLinux::GetAtkRelations(AtkRelationSet* atk_relation_set)
 {
 }
 
 AXPlatformNodeAuraLinux::AXPlatformNodeAuraLinux()
     : atk_object_(nullptr) {
@@ skipping 61 matching lines @@
 
 void AXPlatformNodeAuraLinux::GetSize(gint* width, gint* height) {
   gfx::Rect rect_size = gfx::ToEnclosingRect(GetData().location);
   if (width)
     *width = rect_size.width();
   if (height)
     *height = rect_size.height();
 }
 
 }  // namespace ui