55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
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// Copyright (c) 2012 Intel Corp. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/common/api/object_life_monitor.h"
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#include "base/bind.h"
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#include "base/message_loop/message_loop.h"
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namespace atom {
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// static
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void ObjectLifeMonitor::BindTo(v8::Isolate* isolate,
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v8::Local<v8::Object> target,
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v8::Local<v8::Function> destructor) {
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new ObjectLifeMonitor(isolate, target, destructor);
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}
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ObjectLifeMonitor::ObjectLifeMonitor(v8::Isolate* isolate,
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v8::Local<v8::Object> target,
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v8::Local<v8::Function> destructor)
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: isolate_(isolate),
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context_(isolate, isolate->GetCurrentContext()),
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target_(isolate, target),
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destructor_(isolate, destructor),
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weak_ptr_factory_(this) {
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target_.SetWeak(this, OnObjectGC, v8::WeakCallbackType::kParameter);
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}
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// static
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void ObjectLifeMonitor::OnObjectGC(
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const v8::WeakCallbackInfo<ObjectLifeMonitor>& data) {
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ObjectLifeMonitor* self = data.GetParameter();
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self->target_.Reset();
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self->RunCallback();
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data.SetSecondPassCallback(Free);
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}
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// static
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void ObjectLifeMonitor::Free(
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const v8::WeakCallbackInfo<ObjectLifeMonitor>& data) {
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delete data.GetParameter();
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}
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void ObjectLifeMonitor::RunCallback() {
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v8::HandleScope handle_scope(isolate_);
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v8::Local<v8::Context> context = v8::Local<v8::Context>::New(
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isolate_, context_);
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v8::Context::Scope context_scope(context);
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v8::Local<v8::Function>::New(isolate_, destructor_)->Call(
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context->Global(), 0, nullptr);
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}
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} // namespace atom
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