mojo/public/tools/bindings/generators/cpp_templates/interface_declaration.tmpl

{%- import "interface_macros.tmpl" as interface_macros %}
class {{interface.name}}Proxy;
class {{interface.name}}Stub;

class {{interface.name}}RequestValidator;
{%- if interface|has_callbacks %}
class {{interface.name}}ResponseValidator;
{%- endif %}

class {{interface.name}} {
 public:
  static const char* Name_;

  using Proxy_ = {{interface.name}}Proxy;
  using Stub_ = {{interface.name}}Stub;

  using RequestValidator_ = {{interface.name}}RequestValidator;
{%- if interface|has_callbacks %}
  using ResponseValidator_ = {{interface.name}}ResponseValidator;
{%- else %}
  using ResponseValidator_ = mojo::PassThroughFilter;
{%- endif %}

{#--- Constants #}
{%- for constant in interface.constants %}
  static const {{constant.kind|cpp_pod_type}} {{constant.name}};
{%- endfor %}

{#--- Enums #}
{%- for enum in interface.enums %}
{%    macro enum_def() %}{% include "enum_declaration.tmpl" %}{% endmacro %}
  {{enum_def()|indent(2)}}
{%- endfor %}

{#--- Methods #}
  virtual ~{{interface.name}}() {}

{%- for method in interface.methods %}
{%    if method.response_parameters != None %}
  using {{method.name}}Callback = {{interface_macros.declare_callback(method)}};
{%-   endif %}
  virtual void {{method.name}}({{interface_macros.declare_request_params("", method)}}) = 0;
{%- endfor %}
};