Support accessible inline text boxes.

content/browser/accessibility/browser_accessibility_win.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_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include "base/strings/string_number_conversions.h"
@@ skipping 340 matching lines @@
   return S_OK;
 }
 
 STDMETHODIMP BrowserAccessibilityWin::get_accChildCount(LONG* child_count) {
   if (!instance_active_)
     return E_FAIL;
 
   if (!child_count)
     return E_INVALIDARG;
 
-  *child_count = children_.size();
+  *child_count = PlatformChildCount();
+
   return S_OK;
 }
 
 STDMETHODIMP BrowserAccessibilityWin::get_accDefaultAction(VARIANT var_id,
                                                            BSTR* def_action) {
   if (!instance_active_)
     return E_FAIL;
 
   if (!def_action)
     return E_INVALIDARG;
@@ skipping 496 matching lines @@
   if (!instance_active_)
     return E_FAIL;
 
   if (!group_level || !similar_items_in_group || !position_in_group)
     return E_INVALIDARG;
 
   if (role_ == WebKit::WebAXRoleListBoxOption &&
       parent_ &&
       parent_->role() == WebKit::WebAXRoleListBox) {
     *group_level = 0;
-    *similar_items_in_group = parent_->child_count();
+    *similar_items_in_group = parent_->PlatformChildCount();
     *position_in_group = index_in_parent_ + 1;
     return S_OK;
   }
 
   return E_NOTIMPL;
 }
 
 //
 // IAccessibleApplication methods.
 //
@@ skipping 1722 matching lines @@
 
 STDMETHODIMP BrowserAccessibilityWin::get_childAt(
     unsigned int child_index,
     ISimpleDOMNode** node) {
   if (!instance_active_)
     return E_FAIL;
 
   if (!node)
     return E_INVALIDARG;
 
-  if (child_index < children_.size()) {
+  BrowserAccessibility* child = PlatformGetChild(child_index);
+  if (!child) {
     *node = NULL;
     return S_FALSE;
   }
 
-  *node = children_[child_index]->ToBrowserAccessibilityWin()->NewReference();
+  *node = child->ToBrowserAccessibilityWin()->NewReference();
   return S_OK;
 }
 
 //
 // ISimpleDOMText methods.
 //
 
 STDMETHODIMP BrowserAccessibilityWin::get_domText(BSTR* dom_text) {
   if (!instance_active_)
     return E_FAIL;
@@ skipping 159 matching lines @@
   StringAttributeToIA2(AccessibilityNodeData::ATTR_ROLE, "xml-roles");
 
   // Expose "level" attribute for headings, trees, etc.
   IntAttributeToIA2(AccessibilityNodeData::ATTR_HIERARCHICAL_LEVEL, "level");
 
   // Expose the set size and position in set for listbox options.
   if (role_ == WebKit::WebAXRoleListBoxOption &&
       parent_ &&
       parent_->role() == WebKit::WebAXRoleListBox) {
     ia2_attributes_.push_back(
-        L"setsize:" + base::IntToString16(parent_->child_count()));
+        L"setsize:" + base::IntToString16(parent_->PlatformChildCount()));
     ia2_attributes_.push_back(
         L"setsize:" + base::IntToString16(index_in_parent_ + 1));
   }
 
   if (ia_role_ == ROLE_SYSTEM_CHECKBUTTON ||
       ia_role_ == ROLE_SYSTEM_RADIOBUTTON ||
       ia2_role_ == IA2_ROLE_TOGGLE_BUTTON) {
     ia2_attributes_.push_back(L"checkable:true");
   }
 
@@ skipping 146 matching lines @@
   }
 }
 
 void BrowserAccessibilityWin::PostInitialize() {
   BrowserAccessibility::PostInitialize();
 
   // Construct the hypertext for this node.
   hyperlink_offset_to_index_.clear();
   hyperlinks_.clear();
   hypertext_.clear();
-  for (unsigned int i = 0; i < children().size(); ++i) {
-    BrowserAccessibility* child = children()[i];
+  for (unsigned int i = 0; i < PlatformChildCount(); ++i) {
+    BrowserAccessibility* child = PlatformGetChild(i);
     if (child->role() == WebKit::WebAXRoleStaticText) {
       hypertext_ += UTF8ToUTF16(child->name());
     } else {
       hyperlink_offset_to_index_[hypertext_.size()] = hyperlinks_.size();
       hypertext_ += kEmbeddedCharacter;
       hyperlinks_.push_back(i);
     }
   }
   DCHECK_EQ(hyperlink_offset_to_index_.size(), hyperlinks_.size());
 
@@ skipping 73 matching lines @@
 
 BrowserAccessibilityWin* BrowserAccessibilityWin::GetTargetFromChildID(
     const VARIANT& var_id) {
   if (var_id.vt != VT_I4)
     return NULL;
 
   LONG child_id = var_id.lVal;
   if (child_id == CHILDID_SELF)
     return this;
 
-  if (child_id >= 1 && child_id <= static_cast<LONG>(children_.size()))
-    return children_[child_id - 1]->ToBrowserAccessibilityWin();
+  if (child_id >= 1 && child_id <= static_cast<LONG>(PlatformChildCount()))
+    return PlatformGetChild(child_id - 1)->ToBrowserAccessibilityWin();
 
   return manager_->ToBrowserAccessibilityManagerWin()->
       GetFromUniqueIdWin(child_id);
 }
 
 HRESULT BrowserAccessibilityWin::GetStringAttributeAsBstr(
     AccessibilityNodeData::StringAttribute attribute,
     BSTR* value_bstr) {
   string16 str;
 
@@ skipping 581 matching lines @@
   // The role should always be set.
   DCHECK(!role_name_.empty() || ia_role_);
 
   // If we didn't explicitly set the IAccessible2 role, make it the same
   // as the MSAA role.
   if (!ia2_role_)
     ia2_role_ = ia_role_;
 }
 
 }  // namespace content