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      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/public/browser/browser_thread.h"
     14 
     15 namespace content {
     16 
     17 namespace {
     18 typedef std::map<std::string, DevToolsAgentHostImpl*> Instances;
     19 base::LazyInstance<Instances>::Leaky g_instances = LAZY_INSTANCE_INITIALIZER;
     20 }  // namespace
     21 
     22 DevToolsAgentHostImpl::DevToolsAgentHostImpl()
     23     : close_listener_(NULL),
     24       id_(base::GenerateGUID()) {
     25   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     26   g_instances.Get()[id_] = this;
     27 }
     28 
     29 DevToolsAgentHostImpl::~DevToolsAgentHostImpl() {
     30   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     31   g_instances.Get().erase(g_instances.Get().find(id_));
     32 }
     33 
     34 scoped_refptr<DevToolsAgentHost> DevToolsAgentHost::GetForId(
     35     const std::string& id) {
     36   if (g_instances == NULL)
     37     return NULL;
     38   Instances::iterator it = g_instances.Get().find(id);
     39   if (it == g_instances.Get().end())
     40     return NULL;
     41   return it->second;
     42 }
     43 
     44 bool DevToolsAgentHostImpl::IsAttached() {
     45   return !!DevToolsManagerImpl::GetInstance()->GetDevToolsClientHostFor(this);
     46 }
     47 
     48 void DevToolsAgentHostImpl::InspectElement(int x, int y) {
     49 }
     50 
     51 std::string DevToolsAgentHostImpl::GetId() {
     52   return id_;
     53 }
     54 
     55 RenderViewHost* DevToolsAgentHostImpl::GetRenderViewHost() {
     56   return NULL;
     57 }
     58 
     59 void DevToolsAgentHostImpl::DisconnectRenderViewHost() {}
     60 
     61 void DevToolsAgentHostImpl::ConnectRenderViewHost(RenderViewHost* rvh) {}
     62 
     63 void DevToolsAgentHostImpl::NotifyCloseListener() {
     64   if (close_listener_) {
     65     scoped_refptr<DevToolsAgentHostImpl> protect(this);
     66     close_listener_->AgentHostClosing(this);
     67     close_listener_ = NULL;
     68   }
     69 }
     70 
     71 }  // namespace content
     72