third_party/WebKit/Source/bindings/templates/callback_interface.h.tmpl

{% filter format_blink_cpp_source_code %}

{% include 'copyright_block.txt' %}

#ifndef {{v8_class}}_h
#define {{v8_class}}_h

{% for filename in header_includes %}
#include "{{filename}}"
{% endfor %}

namespace blink {

{# TODO(yukishiino): Stop inheriting {{cpp_class}} as it\'s not necessary for
   most cases. Those who need a common base class between this class and
   another class should define an adapter class for themselves. #}
class {{exported}}{{v8_class}} final
    : public {{cpp_class}},
      public CallbackInterfaceBase {
 public:
  static {{v8_class}}* Create(v8::Local<v8::Object> callback_object) {
    return new {{v8_class}}(callback_object);
  }

  ~{{v8_class}}() override = default;

{% for method in methods %}
  {# TODO(yukishiino): Add |ScriptWrappable* callback_this_value| as the first
     argument of the IDL operations. The callsites must pass callback_this_value
     explicitly. #}
  {# TODO(yukishiino): Change the return type to v8::Maybe<T> so that the
     function returns a return value or throws an exception. #}
  // Performs "call a user object's operation".
  // https://heycam.github.io/webidl/#call-a-user-objects-operation
  {{method.cpp_type}} {{method.name}}({{method.argument_declarations | join(', ')}}) override;

{% endfor %}

 private:
{% set single_operation_enum_value =
      'kSingleOperation' if is_single_operation_callback_interface else
      'kNotSingleOperation' %}
  explicit {{v8_class}}(v8::Local<v8::Object> callback_object)
      : CallbackInterfaceBase(callback_object, {{single_operation_enum_value}}) {}
};

}  // namespace blink

#endif  // {{v8_class}}_h

{% endfilter %}{# format_blink_cpp_source_code #}