Views a11y: Add AXNodeData.actions bitfield to indicate supported actions by UI.

content/browser/accessibility/browser_accessibility_cocoa.mm

 // 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.
 
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 
 #include <execinfo.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
@@ skipping 2767 matching lines @@
   if (![self instanceActive])
     return NO;
 
   if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
     if ([self internalRole] == ui::AX_ROLE_DATE_TIME)
       return NO;
 
     return GetState(browserAccessibility_, ui::AX_STATE_FOCUSABLE);
   }
 
-  if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {
-    return browserAccessibility_->GetBoolAttribute(
-        ui::AX_ATTR_CAN_SET_VALUE);
-  }
+  if ([attribute isEqualToString:NSAccessibilityValueAttribute])
+    return browserAccessibility_->HasAction(ui::AX_ACTION_SET_VALUE);

[dmazzoni, 2017/05/19 19:24:25]

Love it, this is a lot cleaner!

[Patti Lor, 2017/05/22 00:20:59]

Yay :)

 
   if ([attribute isEqualToString:NSAccessibilitySelectedTextRangeAttribute] &&
       browserAccessibility_->HasState(ui::AX_STATE_EDITABLE)) {
     return YES;
   }
 
   return NO;
 }
 
 // Returns whether or not this object should be ignored in the accessibility
@@ skipping 98 matching lines @@
 }
 
 - (BOOL)accessibilityNotifiesWhenDestroyed {
   // Indicate that BrowserAccessibilityCocoa will post a notification when it's
   // destroyed (see -detach). This allows VoiceOver to do some internal things
   // more efficiently.
   return YES;
 }
 
 @end