HRESULT WindowsToastNotification::SetXmlScenarioReminder()

in shell/browser/notifications/win/windows_toast_notification.cc [237:400]
108 lines of code
6 McCabe index (conditional complexity)

HRESULT WindowsToastNotification::SetXmlScenarioReminder(IXmlDocument* doc) {
  ScopedHString tag(L"toast");
  if (!tag.success())
    return false;

  ComPtr<IXmlNodeList> node_list;
  RETURN_IF_FAILED(doc->GetElementsByTagName(tag, &node_list));

  // Check that root "toast" node exists
  ComPtr<IXmlNode> root;
  RETURN_IF_FAILED(node_list->Item(0, &root));

  // get attributes of root "toast" node
  ComPtr<IXmlNamedNodeMap> toast_attributes;
  RETURN_IF_FAILED(root->get_Attributes(&toast_attributes));

  ComPtr<IXmlAttribute> scenario_attribute;
  ScopedHString scenario_str(L"scenario");
  RETURN_IF_FAILED(doc->CreateAttribute(scenario_str, &scenario_attribute));

  ComPtr<IXmlNode> scenario_attribute_node;
  RETURN_IF_FAILED(scenario_attribute.As(&scenario_attribute_node));

  ScopedHString scenario_value(L"reminder");
  if (!scenario_value.success())
    return E_FAIL;

  ComPtr<IXmlText> scenario_text;
  RETURN_IF_FAILED(doc->CreateTextNode(scenario_value, &scenario_text));

  ComPtr<IXmlNode> scenario_node;
  RETURN_IF_FAILED(scenario_text.As(&scenario_node));

  ComPtr<IXmlNode> scenario_backup_node;
  RETURN_IF_FAILED(scenario_attribute_node->AppendChild(scenario_node.Get(),
                                                        &scenario_backup_node));

  ComPtr<IXmlNode> scenario_attribute_pnode;
  RETURN_IF_FAILED(toast_attributes.Get()->SetNamedItem(
      scenario_attribute_node.Get(), &scenario_attribute_pnode));

  // Create "actions" wrapper
  ComPtr<IXmlElement> actions_wrapper_element;
  ScopedHString actions_wrapper_str(L"actions");
  RETURN_IF_FAILED(
      doc->CreateElement(actions_wrapper_str, &actions_wrapper_element));

  ComPtr<IXmlNode> actions_wrapper_node_tmp;
  RETURN_IF_FAILED(actions_wrapper_element.As(&actions_wrapper_node_tmp));

  // Append actions wrapper node to toast xml
  ComPtr<IXmlNode> actions_wrapper_node;
  RETURN_IF_FAILED(
      root->AppendChild(actions_wrapper_node_tmp.Get(), &actions_wrapper_node));

  ComPtr<IXmlNamedNodeMap> attributes_actions_wrapper;
  RETURN_IF_FAILED(
      actions_wrapper_node->get_Attributes(&attributes_actions_wrapper));

  // Add a "Dismiss" button
  // Create "action" tag
  ComPtr<IXmlElement> action_element;
  ScopedHString action_str(L"action");
  RETURN_IF_FAILED(doc->CreateElement(action_str, &action_element));

  ComPtr<IXmlNode> action_node_tmp;
  RETURN_IF_FAILED(action_element.As(&action_node_tmp));

  // Append action node to actions wrapper in toast xml
  ComPtr<IXmlNode> action_node;
  RETURN_IF_FAILED(
      actions_wrapper_node->AppendChild(action_node_tmp.Get(), &action_node));

  // Setup attributes for action
  ComPtr<IXmlNamedNodeMap> action_attributes;
  RETURN_IF_FAILED(action_node->get_Attributes(&action_attributes));

  // Create activationType attribute
  ComPtr<IXmlAttribute> activation_type_attribute;
  ScopedHString activation_type_str(L"activationType");
  RETURN_IF_FAILED(
      doc->CreateAttribute(activation_type_str, &activation_type_attribute));

  ComPtr<IXmlNode> activation_type_attribute_node;
  RETURN_IF_FAILED(
      activation_type_attribute.As(&activation_type_attribute_node));

  // Set activationType attribute to system
  ScopedHString activation_type_value(L"system");
  if (!activation_type_value.success())
    return E_FAIL;

  ComPtr<IXmlText> activation_type_text;
  RETURN_IF_FAILED(
      doc->CreateTextNode(activation_type_value, &activation_type_text));

  ComPtr<IXmlNode> activation_type_node;
  RETURN_IF_FAILED(activation_type_text.As(&activation_type_node));

  ComPtr<IXmlNode> activation_type_backup_node;
  RETURN_IF_FAILED(activation_type_attribute_node->AppendChild(
      activation_type_node.Get(), &activation_type_backup_node));

  // Add activation type to the action attributes
  ComPtr<IXmlNode> activation_type_attribute_pnode;
  RETURN_IF_FAILED(action_attributes.Get()->SetNamedItem(
      activation_type_attribute_node.Get(), &activation_type_attribute_pnode));

  // Create arguments attribute
  ComPtr<IXmlAttribute> arguments_attribute;
  ScopedHString arguments_str(L"arguments");
  RETURN_IF_FAILED(doc->CreateAttribute(arguments_str, &arguments_attribute));

  ComPtr<IXmlNode> arguments_attribute_node;
  RETURN_IF_FAILED(arguments_attribute.As(&arguments_attribute_node));

  // Set arguments attribute to dismiss
  ScopedHString arguments_value(L"dismiss");
  if (!arguments_value.success())
    return E_FAIL;

  ComPtr<IXmlText> arguments_text;
  RETURN_IF_FAILED(doc->CreateTextNode(arguments_value, &arguments_text));

  ComPtr<IXmlNode> arguments_node;
  RETURN_IF_FAILED(arguments_text.As(&arguments_node));

  ComPtr<IXmlNode> arguments_backup_node;
  RETURN_IF_FAILED(arguments_attribute_node->AppendChild(
      arguments_node.Get(), &arguments_backup_node));

  // Add arguments to the action attributes
  ComPtr<IXmlNode> arguments_attribute_pnode;
  RETURN_IF_FAILED(action_attributes.Get()->SetNamedItem(
      arguments_attribute_node.Get(), &arguments_attribute_pnode));

  // Create content attribute
  ComPtr<IXmlAttribute> content_attribute;
  ScopedHString content_str(L"content");
  RETURN_IF_FAILED(doc->CreateAttribute(content_str, &content_attribute));

  ComPtr<IXmlNode> content_attribute_node;
  RETURN_IF_FAILED(content_attribute.As(&content_attribute_node));

  // Set content attribute to Dismiss
  ScopedHString content_value(l10n_util::GetWideString(IDS_APP_CLOSE));
  if (!content_value.success())
    return E_FAIL;

  ComPtr<IXmlText> content_text;
  RETURN_IF_FAILED(doc->CreateTextNode(content_value, &content_text));

  ComPtr<IXmlNode> content_node;
  RETURN_IF_FAILED(content_text.As(&content_node));

  ComPtr<IXmlNode> content_backup_node;
  RETURN_IF_FAILED(content_attribute_node->AppendChild(content_node.Get(),
                                                       &content_backup_node));

  // Add content to the action attributes
  ComPtr<IXmlNode> content_attribute_pnode;
  return action_attributes.Get()->SetNamedItem(content_attribute_node.Get(),
                                               &content_attribute_pnode);
}