{% from 'fields/field.tmpl' import encode, declare_storage, compare %}
{% from 'macros.tmpl' import print_if %}
{% macro declare_field_group_class(group): -%}
{% for subgroup in group.subgroups %}
{{declare_field_group_class(subgroup)}}

{% endfor %}
class {{group.type_name}} : public RefCounted<{{group.type_name}}> {
 public:
  static PassRefPtr<{{group.type_name}}> Create() {
    return AdoptRef(new {{group.type_name}});
  }
  PassRefPtr<{{group.type_name}}> Copy() const {
    return AdoptRef(new {{group.type_name}}(*this));
  }

  bool operator==(const {{group.type_name}}& other) const {
    return (
    {% set boolean_and = joiner("&& ") %}
    {% for subgroup in group.subgroups %}
      {{boolean_and()}}{{subgroup.member_name}} == other.{{subgroup.member_name}}
    {% endfor %}
    {% for field in group.fields if not field.custom_compare %}
      {{boolean_and()}}{{compare(field.wrapper_pointer_name, field.name, "other")}}
    {% endfor %}
    );
  }
  bool operator!=(const {{group.type_name}}& other) const { return !(*this == other); }

  {% for subgroup in group.subgroups %}
  DataRef<{{subgroup.type_name}}> {{subgroup.member_name}};
  {% endfor %}
  {% for field in group.fields %}
  {{declare_storage(field)}}
  {% endfor %}

 private:
  {{group.type_name}}();
  {{group.type_name}}(const {{group.type_name}}&);
};
{%- endmacro %}

{% macro define_field_group_class(group): -%}
{% for subgroup in group.subgroups %}
{{define_field_group_class(subgroup)}}

{% endfor %}
ComputedStyleBase::{{group.type_name}}::{{group.type_name}}() {{print_if(group.fields|length > 0, ':')}}
  {% set comma = joiner(", ") %}
  {% for field in group.fields %}
      {{comma()}}{{field.name}}({{encode(field, field.default_value)}})
  {% endfor %}
  {
  {% for subgroup in group.subgroups %}
    {{subgroup.member_name}}.Init();
  {% endfor %}
  }

ComputedStyleBase::{{group.type_name}}::{{group.type_name}}(const {{group.type_name}}& other) :
  {% set comma = joiner(", ") %}
  {% for subgroup in group.subgroups %}
      {{comma()}}{{subgroup.member_name}}(other.{{subgroup.member_name}})
  {% endfor %}
  {% for field in group.fields %}
    {% if field.wrapper_pointer_name %}
      {{comma()}}{{field.name}}(MemberCopy(other.{{field.name}}))
    {% else %}
      {{comma()}}{{field.name}}(other.{{field.name}})
     {% endif %}
  {% endfor %}
  {}
{%- endmacro %}