Allow filters in accessibility tests to specify which attributes to check.

content/browser/accessibility/dump_accessibility_tree_helper_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/dump_accessibility_tree_helper.h"
 
 #include <oleacc.h>
 
 #include <string>
 
 #include "base/file_path.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/accessibility/browser_accessibility_win.h"
+#include "content/common/accessibility_node_data.h"
 #include "content/public/test/accessibility_test_utils_win.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/iaccessible2/ia2_api_all.h"
+#include "ui/base/win/atl_module.h"
 
 
+void DumpAccessibilityTreeHelper::Initialize() {
+  ui::win::CreateATLModuleIfNeeded();
+}
+
 string16 DumpAccessibilityTreeHelper::ToString(
     BrowserAccessibility* node, char* prefix) {
   BrowserAccessibilityWin* acc_obj = node->ToBrowserAccessibilityWin();
 
-  // Get state string.
+  // Get the computed name.
   VARIANT variant_self;
   variant_self.vt = VT_I4;
   variant_self.lVal = CHILDID_SELF;
-  VARIANT msaa_state_variant;
-  HRESULT hresult = acc_obj->get_accState(variant_self, &msaa_state_variant);
-  EXPECT_EQ(S_OK, hresult);
-  EXPECT_EQ(VT_I4, msaa_state_variant.vt);
-  string16 state_str = IAccessibleStateToString(msaa_state_variant.lVal);
-  string16 state2_str = IAccessible2StateToString(acc_obj->ia2_state());
-  if (!state2_str.empty()) {
-    if (!state_str.empty())
-      state_str += L",";
-    state_str += state2_str;
+  CComBSTR msaa_name_variant;
+  HRESULT hresult = acc_obj->get_accName(variant_self, &msaa_name_variant);
+  string16 name;
+  if (S_OK == hresult)
+    name = msaa_name_variant.m_str;
+
+  // Get state strings.
+  std::vector<string16> state_strings;
+  IAccessibleStateToStringVector(acc_obj->ia_state(), &state_strings);
+  IAccessible2StateToStringVector(acc_obj->ia2_state(), &state_strings);
+
+  // Get the description and attributes.
+  string16 description;
+  acc_obj->GetStringAttribute(content::AccessibilityNodeData::ATTR_DESCRIPTION,
+                              &description);
+  const std::vector<string16>& ia2_attributes = acc_obj->ia2_attributes();
+
+  // Build the line.
+  StartLine();
+  Add(true, IAccessible2RoleToString(acc_obj->ia2_role()));
+  Add(true, L"name='" + name + L"'");
+  for (std::vector<string16>::const_iterator it = state_strings.begin();
+       it != state_strings.end();
+       ++it) {
+    Add(false, *it);
   }
-
-  // Get role string.
-  string16 role_str = IAccessible2RoleToString(acc_obj->ia2_role());
-
-  return UTF8ToUTF16(prefix) +
-         role_str +
-         L" name='" + acc_obj->name() +
-         L"' state=" + state_str + L"\n";
+  for (std::vector<string16>::const_iterator it = ia2_attributes.begin();
+       it != ia2_attributes.end();
+       ++it) {
+    Add(false, *it);
+  }
+  Add(false, L"role_name='" + acc_obj->role_name() + L"'");
+  Add(false, L"value='" + acc_obj->value() + L"'");
+  Add(false, L"description='" + description + L"'");
+  return UTF8ToUTF16(prefix) + FinishLine() + ASCIIToUTF16("\n");
 }
 
 const FilePath::StringType DumpAccessibilityTreeHelper::GetActualFileSuffix()
     const {
   return FILE_PATH_LITERAL("-actual-win.txt");
 }
 
 const FilePath::StringType DumpAccessibilityTreeHelper::GetExpectedFileSuffix()
     const {
   return FILE_PATH_LITERAL("-expected-win.txt");
 }
+
+
+const std::string DumpAccessibilityTreeHelper::GetAllowString() const {
+  return "@WIN-ALLOW:";
+}
+
+const std::string DumpAccessibilityTreeHelper::GetDenyString() const {
+  return "@WIN-DENY:";
+}