Support accessible inline text boxes.

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 "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 25 matching lines @@
       index_in_parent_(0),
       renderer_id_(0),
       role_(0),
       state_(0),
       instance_active_(false) {
 }
 
 BrowserAccessibility::~BrowserAccessibility() {
 }
 
+bool BrowserAccessibility::PlatformIsLeaf() const {
+  return role_ == WebKit::WebAXRoleStaticText || child_count() == 0;
+}
+
+uint32 BrowserAccessibility::PlatformChildCount() const {
+  return PlatformIsLeaf() ? 0 : children_.size();
+}
+
 void BrowserAccessibility::DetachTree(
     std::vector<BrowserAccessibility*>* nodes) {
   nodes->push_back(this);
   for (size_t i = 0; i < children_.size(); i++)
     children_[i]->DetachTree(nodes);
   children_.clear();
   parent_ = NULL;
 }
 
 void BrowserAccessibility::InitializeTreeStructure(
@@ skipping 49 matching lines @@
     BrowserAccessibility* ancestor) {
   if (this == ancestor) {
     return true;
   } else if (parent_) {
     return parent_->IsDescendantOf(ancestor);
   }
 
   return false;
 }
 
-BrowserAccessibility* BrowserAccessibility::GetChild(uint32 child_index) const {
+BrowserAccessibility* BrowserAccessibility::PlatformGetChild(
+    uint32 child_index) const {
   DCHECK(child_index < children_.size());
   return children_[child_index];
 }
 
 BrowserAccessibility* BrowserAccessibility::GetPreviousSibling() {
   if (parent_ && index_in_parent_ > 0)
     return parent_->children_[index_in_parent_ - 1];
 
   return NULL;
 }
@@ skipping 355 matching lines @@
     return name_;
   }
 
   std::string result;
   for (size_t i = 0; i < children_.size(); ++i)
     result += children_[i]->GetTextRecursive();
   return result;
 }
 
 }  // namespace content