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_agent_host_impl.h"
  10 #include "content/browser/devtools/devtools_netlog_observer.h"
  11 #include "content/public/browser/browser_thread.h"
  12 #include "content/public/browser/content_browser_client.h"
  13
  14 namespace content {
  15
  16 // static
  17 DevToolsManager* DevToolsManager::GetInstance() {
  18   return base::Singleton<DevToolsManager>::get();
  19 }
  20
  21 DevToolsManager::DevToolsManager()
  22     : delegate_(GetContentClient()->browser()->GetDevToolsManagerDelegate()),
  23       attached_hosts_count_(0) {
  24 }
  25
  26 DevToolsManager::~DevToolsManager() {
  27   DCHECK(!attached_hosts_count_);
  28 }
  29
  30 void DevToolsManager::AgentHostStateChanged(
  31     DevToolsAgentHostImpl* agent_host, bool attached) {
  32   if (attached) {
  33     if (!attached_hosts_count_) {
  34       BrowserThread::PostTask(
  35           BrowserThread::IO,
  36           FROM_HERE,
  37           base::Bind(&DevToolsNetLogObserver::Attach));
  38     }
  39     ++attached_hosts_count_;
  40   } else {
  41     --attached_hosts_count_;
  42     if (!attached_hosts_count_) {
  43       BrowserThread::PostTask(
  44           BrowserThread::IO,
  45           FROM_HERE,
  46           base::Bind(&DevToolsNetLogObserver::Detach));
  47     }
  48   }
  49 }
  50
  51 }  // namespace content