content/browser/devtools/devtools_agent_host_impl.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_agent_host_impl.h"
   6
   7 #include <map>
   8
   9 #include "base/basictypes.h"
  10 #include "base/guid.h"
  11 #include "base/lazy_instance.h"
  12 #include "content/browser/devtools/devtools_manager_impl.h"
  13 #include "content/browser/devtools/forwarding_agent_host.h"
  14 #include "content/public/browser/browser_thread.h"
  15
  16 namespace content {
  17
  18 namespace {
  19 typedef std::map<std::string, DevToolsAgentHostImpl*> Instances;
  20 base::LazyInstance<Instances>::Leaky g_instances = LAZY_INSTANCE_INITIALIZER;
  21 }  // namespace
  22
  23 DevToolsAgentHostImpl::DevToolsAgentHostImpl()
  24     : close_listener_(NULL),
  25       id_(base::GenerateGUID()) {
  26   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  27   g_instances.Get()[id_] = this;
  28 }
  29
  30 DevToolsAgentHostImpl::~DevToolsAgentHostImpl() {
  31   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  32   g_instances.Get().erase(g_instances.Get().find(id_));
  33 }
  34
  35 //static
  36 scoped_refptr<DevToolsAgentHost> DevToolsAgentHost::GetForId(
  37     const std::string& id) {
  38   if (g_instances == NULL)
  39     return NULL;
  40   Instances::iterator it = g_instances.Get().find(id);
  41   if (it == g_instances.Get().end())
  42     return NULL;
  43   return it->second;
  44 }
  45
  46 //static
  47 scoped_refptr<DevToolsAgentHost> DevToolsAgentHost::Create(
  48     DevToolsExternalAgentProxyDelegate* delegate) {
  49   return new ForwardingAgentHost(delegate);
  50 }
  51
  52 bool DevToolsAgentHostImpl::IsAttached() {
  53   return !!DevToolsManagerImpl::GetInstance()->GetDevToolsClientHostFor(this);
  54 }
  55
  56 void DevToolsAgentHostImpl::InspectElement(int x, int y) {
  57 }
  58
  59 std::string DevToolsAgentHostImpl::GetId() {
  60   return id_;
  61 }
  62
  63 RenderViewHost* DevToolsAgentHostImpl::GetRenderViewHost() {
  64   return NULL;
  65 }
  66
  67 void DevToolsAgentHostImpl::DisconnectRenderViewHost() {}
  68
  69 void DevToolsAgentHostImpl::ConnectRenderViewHost(RenderViewHost* rvh) {}
  70
  71 bool DevToolsAgentHostImpl::IsWorker() const {
  72   return false;
  73 }
  74
  75 void DevToolsAgentHostImpl::NotifyCloseListener() {
  76   if (close_listener_) {
  77     scoped_refptr<DevToolsAgentHostImpl> protect(this);
  78     close_listener_->AgentHostClosing(this);
  79     close_listener_ = NULL;
  80   }
  81 }
  82
  83 }  // namespace content