MacViews/a11y: Accessibility actions use AXActionData in AXPlatformNodeDelegate.

ui/accessibility/platform/ax_platform_node_mac.mm

 // Copyright 2014 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 "ui/accessibility/platform/ax_platform_node_mac.h"
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/strings/sys_string_conversions.h"
+#include "ui/accessibility/ax_action_data.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/accessibility/platform/ax_platform_node_delegate.h"
 #import "ui/gfx/mac/coordinate_conversion.h"
 
 namespace {
 
 struct RoleMapEntry {
   ui::AXRole value;
   NSString* nativeValue;
 };
@@ skipping 350 matching lines @@
           isEqualToString:NSAccessibilitySelectedChildrenAttribute] ||
       [attributeName
           isEqualToString:NSAccessibilitySelectedTextRangeAttribute] ||
       [attributeName
           isEqualToString:NSAccessibilityVisibleCharacterRangeAttribute]) {
     return NO;
   }
 
   if ([attributeName isEqualToString:NSAccessibilityValueAttribute] ||
       [attributeName isEqualToString:NSAccessibilitySelectedTextAttribute])
-    return node_->GetDelegate()->CanSetStringValue();
+    return !ui::AXNodeData::IsFlagSet(node_->GetData().state,
+                                      ui::AX_STATE_READ_ONLY);
 
   if ([attributeName isEqualToString:NSAccessibilityFocusedAttribute]) {
     return ui::AXNodeData::IsFlagSet(node_->GetData().state,
                                      ui::AX_STATE_FOCUSABLE);
   }
 
   // TODO(patricialor): Add callbacks for updating the above attributes except
   // NSAccessibilityValueAttribute and return YES.
   return NO;
 }
 
 - (void)accessibilitySetValue:(id)value forAttribute:(NSString*)attribute {
+  ui::AXActionData data;
   if ([value isKindOfClass:[NSString class]]) {
+    data.value = base::SysNSStringToUTF16(value);
     if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {
-      node_->GetDelegate()->SetStringValue(base::SysNSStringToUTF16(value),
-                                           true);
+      data.action = ui::AX_ACTION_SET_VALUE;
     } else if ([attribute
                    isEqualToString:NSAccessibilitySelectedTextAttribute]) {
-      node_->GetDelegate()->SetStringValue(base::SysNSStringToUTF16(value),
-                                           false);
+      data.action = ui::AX_ACTION_REPLACE_SELECTED_TEXT;
     }
   } else if ([value isKindOfClass:[NSNumber class]]) {
     if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
-      node_->GetDelegate()->SetFocused([value boolValue]);
+      data.action =
+          [value boolValue] ? ui::AX_ACTION_FOCUS : ui::AX_ACTION_BLUR;
     }
   }
 
+  if (data.action != ui::AX_ACTION_NONE)
+    node_->GetDelegate()->AccessibilityPerformAction(data);
+
   // TODO(patricialor): Plumb through all the other writable attributes as
   // specified in accessibilityIsAttributeSettable.
 }
 
 - (id)accessibilityAttributeValue:(NSString*)attribute {
   SEL selector = NSSelectorFromString(attribute);
   if ([self respondsToSelector:selector])
     return [self performSelector:selector];
   return nil;
 }
@@ skipping 169 matching lines @@
   }
   NotifyMacEvent(native_node_, event_type);
 }
 
 int AXPlatformNodeMac::GetIndexInParent() {
   // TODO(dmazzoni): implement this.  http://crbug.com/396137
   return -1;
 }
 
 }  // namespace ui