Hook up AXVisited attribute.

chrome/browser/accessibility/browser_accessibility_cocoa.mm

 // Copyright (c) 2010 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 <execinfo.h>
 
 #import "chrome/browser/accessibility/browser_accessibility_cocoa.h"
 
 #include "app/l10n_util_mac.h"
 #include "base/string16.h"
@@ skipping 226 matching lines @@
   }
   if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
     NSNumber* ret = [NSNumber numberWithBool:
         GetState(browserAccessibility_, WebAccessibility::STATE_FOCUSED)];
     return ret;
   }
   if ([attribute isEqualToString:NSAccessibilityEnabledAttribute]) {
     return [NSNumber numberWithBool:
         !GetState(browserAccessibility_, WebAccessibility::STATE_UNAVAILABLE)];
   }
+  if ([attribute isEqualToString:@"AXVisited"]) {
+    return [NSNumber numberWithBool:
+        GetState(browserAccessibility_, WebAccessibility::STATE_TRAVERSED)];
+  }
 
   // AXWebArea attributes.
   if ([attribute isEqualToString:@"AXLoaded"])
     return [NSNumber numberWithBool:YES];
   if ([attribute isEqualToString:@"AXURL"]) {
+    WebAccessibility::Attribute urlAttribute =
+        [[self role] isEqualToString:@"AXWebArea"] ?
+            WebAccessibility::ATTR_DOC_URL :
+            WebAccessibility::ATTR_LINK_TARGET;
     return NSStringForWebAccessibilityAttribute(
         browserAccessibility_->attributes(),
-        WebAccessibility::ATTR_DOC_URL);
+        urlAttribute);
   }
 
-  // TODO(dtseng): provide complete implementations for the following.
-  if ([attribute isEqualToString:@"AXVisited"])
-    return [NSNumber numberWithBool:NO];
-
   // Text related attributes.
   if ([attribute isEqualToString:
       NSAccessibilityNumberOfCharactersAttribute]) {
     return [NSNumber numberWithInt:browserAccessibility_->value().length()];
   }
   if ([attribute isEqualToString:
       NSAccessibilityVisibleCharacterRangeAttribute]) {
     return [NSValue valueWithRange:
         NSMakeRange(0, browserAccessibility_->value().length())];
   }
@@ skipping 81 matching lines @@
       NSAccessibilityHelpAttribute,
       NSAccessibilityParentAttribute,
       NSAccessibilityPositionAttribute,
       NSAccessibilityRoleAttribute,
       NSAccessibilityRoleDescriptionAttribute,
       NSAccessibilitySizeAttribute,
       NSAccessibilityTitleAttribute,
       NSAccessibilityTopLevelUIElementAttribute,
       NSAccessibilityValueAttribute,
       NSAccessibilityWindowAttribute,
+      @"AXURL",
+      @"AXVisited",
       nil]];
 
   // Specific role attributes.
   if ([self role] == @"AXWebArea") {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         @"AXLoaded",
-        @"AXURL",
-        @"AXVisited",
         nil]];
   }
 
   if ([self role] == NSAccessibilityTextFieldRole) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilityInsertionPointLineNumberAttribute,
         NSAccessibilityNumberOfCharactersAttribute,
         NSAccessibilitySelectedTextAttribute,
         NSAccessibilitySelectedTextRangeAttribute,
         NSAccessibilityVisibleCharacterRangeAttribute,
@@ skipping 93 matching lines @@
 
 - (NSUInteger)hash {
   // Potentially called during dealloc.
   if (!browserAccessibility_)
     return [super hash];
   return browserAccessibility_->renderer_id();
 }
 
 @end