1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/browser/devtools/devtools_manager.h"
6
7#include "base/bind.h"
8#include "base/message_loop/message_loop.h"
9#include "content/browser/devtools/devtools_netlog_observer.h"
10#include "content/public/browser/browser_thread.h"
11#include "content/public/browser/content_browser_client.h"
12#include "content/public/browser/devtools_manager_delegate.h"
13
14namespace content {
15
16// static
17DevToolsManager* DevToolsManager::GetInstance() {
18  return Singleton<DevToolsManager>::get();
19}
20
21DevToolsManager::DevToolsManager()
22    : delegate_(GetContentClient()->browser()->GetDevToolsManagerDelegate()),
23      client_count_(0) {
24}
25
26DevToolsManager::~DevToolsManager() {
27  DCHECK(!client_count_);
28}
29
30void DevToolsManager::OnClientAttached() {
31  if (!client_count_) {
32    BrowserThread::PostTask(
33        BrowserThread::IO,
34        FROM_HERE,
35        base::Bind(&DevToolsNetLogObserver::Attach));
36  }
37  client_count_++;
38}
39
40void DevToolsManager::OnClientDetached() {
41  client_count_--;
42  if (!client_count_) {
43    BrowserThread::PostTask(
44        BrowserThread::IO,
45        FROM_HERE,
46        base::Bind(&DevToolsNetLogObserver::Detach));
47  }
48}
49
50}  // namespace content
51