electron/shell/common/gin_helper/function_template.cc
Cheng Zhao 81ae154714 chore: remove native_mate (Part 2) (#20106)
* add notice to files being removed

* add gin version of function_template.h

* rename callback.h to avoid confliction

* add gin version of callback_converter

* add gin converter for OnceCallback

* remove callback_converter_gin_adapter.h

* remove gin_util.h and gin_utils.h

* fix lint warning

* add helper for setting methods
2019-09-04 08:45:25 -07:00

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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE.chromium file.
#include "shell/common/gin_helper/function_template.h"
namespace gin_helper {
CallbackHolderBase::CallbackHolderBase(v8::Isolate* isolate)
: v8_ref_(isolate, v8::External::New(isolate, this)) {
v8_ref_.SetWeak(this, &CallbackHolderBase::FirstWeakCallback,
v8::WeakCallbackType::kParameter);
}
CallbackHolderBase::~CallbackHolderBase() {
DCHECK(v8_ref_.IsEmpty());
}
v8::Local<v8::External> CallbackHolderBase::GetHandle(v8::Isolate* isolate) {
return v8::Local<v8::External>::New(isolate, v8_ref_);
}
// static
void CallbackHolderBase::FirstWeakCallback(
const v8::WeakCallbackInfo<CallbackHolderBase>& data) {
data.GetParameter()->v8_ref_.Reset();
data.SetSecondPassCallback(SecondWeakCallback);
}
// static
void CallbackHolderBase::SecondWeakCallback(
const v8::WeakCallbackInfo<CallbackHolderBase>& data) {
delete data.GetParameter();
}
} // namespace gin_helper