content/browser/devtools/devtools_manager.cc

   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
  14 namespace content {
  15
  16 // static
  17 DevToolsManager* DevToolsManager::GetInstance() {
  18   return Singleton<DevToolsManager>::get();
  19 }
  20
  21 DevToolsManager::DevToolsManager()
  22     : delegate_(GetContentClient()->browser()->GetDevToolsManagerDelegate()),
  23       client_count_(0) {
  24 }
  25
  26 DevToolsManager::~DevToolsManager() {
  27   DCHECK(!client_count_);
  28 }
  29
  30 void 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
  40 void 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