{#
 # Copyright 2017 Google Inc. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #}
{% extends "callback-interface-base.cc.template" %}

{% block includes %}
{{ super() }}
#include "{{generated_conversion_include}}"

#include "cobalt/script/logging_exception_state.h"
#include "cobalt/script/v8c/entry_scope.h"
#include "cobalt/script/v8c/helpers.h"
#include "cobalt/script/v8c/v8c_callback_interface.h"
#include "cobalt/script/v8c/v8c_global_environment.h"
#include "v8/include/v8.h"
{% endblock includes %}

{% block using_directives %}
{{ super() }}
using cobalt::script::LoggingExceptionState;
using cobalt::script::v8c::EntryScope;
using cobalt::script::v8c::FromJSValue;
using cobalt::script::v8c::GetCallableForCallbackInterface;
using cobalt::script::v8c::NewInternalString;
using cobalt::script::v8c::ToJSValue;
using cobalt::script::v8c::V8cGlobalEnvironment;
{% endblock using_directives %}

{% block implementation %}
{% for component in components %}
namespace {{component}} {
{% endfor %}

{% for operation in operations %}
{% for overload in operation.overloads %}
{{overload.type}} {{binding_class}}::{{overload.name}}(
    const scoped_refptr<script::Wrappable>& callback_this,
  {% for arg in overload.arguments %}
    {{arg.arg_type}} {{arg.name}},
  {% endfor %}
    bool* had_exception) const {
  bool success = false;
{% if overload.type != 'void' %}
  {{overload.type}} cobalt_return_value;
{% endif %}

  DCHECK(isolate_);
  DCHECK(!this->IsEmpty());
  {
    EntryScope entry_scope(isolate_);
    v8::Local<v8::Context> context = isolate_->GetCurrentContext();
    v8::TryCatch try_catch(isolate_);

    v8::Local<v8::Value> implementing_value = this->NewLocal(isolate_);
    if (!implementing_value->IsObject()) {
      LOG(WARNING) << "Implementing object is NULL";
      goto done;
    }

    v8::Local<v8::Function> callable;
    if (!GetCallableForCallbackInterface(
             isolate_, implementing_value.As<v8::Object>(),
             NewInternalString(isolate_, "{{overload.idl_name}}"))
             .ToLocal(&callable)) {
      goto done;
    }

    v8::Local<v8::Value> this_value;
    ToJSValue(isolate_, callback_this, &this_value);

    const int kNumArguments = {{overload.arguments|length}};
    v8::Local<v8::Value> argv[kNumArguments];
{% for arg in overload.arguments %}
    ToJSValue(isolate_, {{arg.name}}, &argv[{{loop.index0}}]);
{% endfor %}

    v8::Local<v8::Value> return_value;
    if (!callable->Call(context, this_value, kNumArguments, argv)
             .ToLocal(&return_value)) {
      goto done;
    }
    LoggingExceptionState exception_state;
    FromJSValue(isolate_, return_value, 0, &exception_state,
                &cobalt_return_value);
    success = !exception_state.is_exception_set();
  }

done:
  *had_exception = !success;
{% if overload.type != 'void' %}
  return cobalt_return_value;
{% endif %}

}
{% endfor %}
{% endfor %}

{% for component in components|reverse %}
}  // namespace {{component}}
{% endfor %}
{% endblock implementation %}