Extract debugger target enumeration into a separate class

content/browser/devtools/devtools_agent_host_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/devtools_agent_host_impl.h"
 
 #include "base/basictypes.h"
+#include "base/utf_string_conversions.h"
+#include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/common/devtools_messages.h"
+#include "content/public/browser/devtools_manager.h"
+#include "content/public/browser/favicon_status.h"
+#include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/web_contents.h"
+#include "net/base/escape.h"
 
 namespace content {
 
 namespace {
 static int g_next_agent_host_id = 0;
 }  // namespace
 
 DevToolsAgentHostImpl::DevToolsAgentHostImpl()
     : close_listener_(NULL),
       id_(++g_next_agent_host_id) {
@@ skipping 28 matching lines @@
 }
 
 void DevToolsAgentHostImpl::AddMessageToConsole(ConsoleMessageLevel level,
                                                 const std::string& message) {
   SendMessageToAgent(new DevToolsAgentMsg_AddMessageToConsole(
       MSG_ROUTING_NONE,
       level,
       message));
 }
 
+bool DevToolsAgentHostImpl::attached() {
+  return !!DevToolsManager::GetInstance()->GetDevToolsClientHostFor(this);
+}
+
+std::string DevToolsAgentHostImpl::title() {
+  WebContents* web_contents = GetWebContents();
+  if (!web_contents)
+    return "";
+
+  return UTF16ToUTF8(net::EscapeForHTML(web_contents->GetTitle()));
+}
+
+GURL DevToolsAgentHostImpl::url() {
+  return GetRenderViewHost()->GetDelegate()->GetURL();

[pfeldman, 2013/03/01 08:49:30]

Like this will return NULL for workers.

[Vladislav Kaznacheev, 2013/03/01 12:58:35]

Done.

+}
+
+GURL DevToolsAgentHostImpl::thumbnail_url() {
+  NavigationEntry* entry = GetNavigationEntry();
+  if (!entry)
+    return GURL();
+
+  return GURL("/thumb/" + entry->GetURL().spec());
+}
+
+GURL DevToolsAgentHostImpl::favicon_url() {
+  NavigationEntry* entry = GetNavigationEntry();
+  if (!entry)
+    return GURL();
+
+  return entry->GetFavicon().url;
+}
+
 RenderViewHost* DevToolsAgentHostImpl::GetRenderViewHost() {
   return NULL;
 }
 
 void DevToolsAgentHostImpl::NotifyCloseListener() {
   if (close_listener_) {
     scoped_refptr<DevToolsAgentHostImpl> protect(this);
     close_listener_->AgentHostClosing(this);
     close_listener_ = NULL;
   }
 }
 
+WebContents* DevToolsAgentHostImpl::GetWebContents() {
+  return GetRenderViewHost()->GetDelegate()->GetAsWebContents();
+}
+
+NavigationEntry* DevToolsAgentHostImpl::GetNavigationEntry() {
+  WebContents* web_contents = GetWebContents();
+  if (!web_contents)
+    return NULL;
+
+  NavigationController& controller = web_contents->GetController();
+  NavigationEntry* entry = controller.GetActiveEntry();
+  if (!entry || !entry->GetURL().is_valid())
+    return NULL;
+
+  return entry;
+}
+
 }  // namespace content