content/shell/browser/shell_devtools_delegate.cc

   1 // Copyright 2013 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/shell/browser/shell_devtools_delegate.h"
   6
   7 #include <vector>
   8
   9 #include "base/bind.h"
  10 #include "base/command_line.h"
  11 #include "base/strings/string_number_conversions.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "content/public/browser/devtools_agent_host.h"
  14 #include "content/public/browser/devtools_http_handler.h"
  15 #include "content/public/browser/devtools_target.h"
  16 #include "content/public/browser/favicon_status.h"
  17 #include "content/public/browser/navigation_entry.h"
  18 #include "content/public/browser/render_view_host.h"
  19 #include "content/public/browser/web_contents.h"
  20 #include "content/public/common/content_switches.h"
  21 #include "content/public/common/url_constants.h"
  22 #include "content/shell/browser/shell.h"
  23 #include "grit/shell_resources.h"
  24 #include "net/socket/tcp_listen_socket.h"
  25 #include "ui/base/resource/resource_bundle.h"
  26
  27 #if defined(OS_ANDROID)
  28 #include "content/public/browser/android/devtools_auth.h"
  29 #include "net/socket/unix_domain_socket_posix.h"
  30 #endif
  31
  32 using content::DevToolsAgentHost;
  33 using content::RenderViewHost;
  34 using content::WebContents;
  35
  36 namespace {
  37
  38 const char kTargetTypePage[] = "page";
  39
  40 net::StreamListenSocketFactory* CreateSocketFactory() {
  41   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
  42 #if defined(OS_ANDROID)
  43   std::string socket_name = "content_shell_devtools_remote";
  44   if (command_line.HasSwitch(switches::kRemoteDebuggingSocketName)) {
  45     socket_name = command_line.GetSwitchValueASCII(
  46         switches::kRemoteDebuggingSocketName);
  47   }
  48   return new net::UnixDomainSocketWithAbstractNamespaceFactory(
  49       socket_name, "", base::Bind(&content::CanUserConnectToDevTools));
  50 #else
  51   // See if the user specified a port on the command line (useful for
  52   // automation). If not, use an ephemeral port by specifying 0.
  53   int port = 0;
  54   if (command_line.HasSwitch(switches::kRemoteDebuggingPort)) {
  55     int temp_port;
  56     std::string port_str =
  57         command_line.GetSwitchValueASCII(switches::kRemoteDebuggingPort);
  58     if (base::StringToInt(port_str, &temp_port) &&
  59         temp_port > 0 && temp_port < 65535) {
  60       port = temp_port;
  61     } else {
  62       DLOG(WARNING) << "Invalid http debugger port number " << temp_port;
  63     }
  64   }
  65   return new net::TCPListenSocketFactory("127.0.0.1", port);
  66 #endif
  67 }
  68
  69 class Target : public content::DevToolsTarget {
  70  public:
  71   explicit Target(WebContents* web_contents);
  72
  73   virtual std::string GetId() const OVERRIDE { return id_; }
  74   virtual std::string GetType() const OVERRIDE { return kTargetTypePage; }
  75   virtual std::string GetTitle() const OVERRIDE { return title_; }
  76   virtual std::string GetDescription() const OVERRIDE { return std::string(); }
  77   virtual GURL GetUrl() const OVERRIDE { return url_; }
  78   virtual GURL GetFaviconUrl() const OVERRIDE { return favicon_url_; }
  79   virtual base::TimeTicks GetLastActivityTime() const OVERRIDE {
  80     return last_activity_time_;
  81   }
  82   virtual bool IsAttached() const OVERRIDE {
  83     return agent_host_->IsAttached();
  84   }
  85   virtual scoped_refptr<DevToolsAgentHost> GetAgentHost() const OVERRIDE {
  86     return agent_host_;
  87   }
  88   virtual bool Activate() const OVERRIDE;
  89   virtual bool Close() const OVERRIDE;
  90
  91  private:
  92   scoped_refptr<DevToolsAgentHost> agent_host_;
  93   std::string id_;
  94   std::string title_;
  95   GURL url_;
  96   GURL favicon_url_;
  97   base::TimeTicks last_activity_time_;
  98 };
  99
 100 Target::Target(WebContents* web_contents) {
 101   agent_host_ =
 102       DevToolsAgentHost::GetOrCreateFor(web_contents->GetRenderViewHost());
 103   id_ = agent_host_->GetId();
 104   title_ = UTF16ToUTF8(web_contents->GetTitle());
 105   url_ = web_contents->GetURL();
 106   content::NavigationController& controller = web_contents->GetController();
 107   content::NavigationEntry* entry = controller.GetActiveEntry();
 108   if (entry != NULL && entry->GetURL().is_valid())
 109     favicon_url_ = entry->GetFavicon().url;
 110   last_activity_time_ = web_contents->GetLastSelectedTime();
 111 }
 112
 113 bool Target::Activate() const {
 114   RenderViewHost* rvh = agent_host_->GetRenderViewHost();
 115   if (!rvh)
 116     return false;
 117   WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
 118   if (!web_contents)
 119     return false;
 120   web_contents->GetDelegate()->ActivateContents(web_contents);
 121   return true;
 122 }
 123
 124 bool Target::Close() const {
 125   RenderViewHost* rvh = agent_host_->GetRenderViewHost();
 126   if (!rvh)
 127     return false;
 128   rvh->ClosePage();
 129   return true;
 130 }
 131
 132 }  // namespace
 133
 134 namespace content {
 135
 136 ShellDevToolsDelegate::ShellDevToolsDelegate(BrowserContext* browser_context)
 137     : browser_context_(browser_context) {
 138   // Note that Content Shell always used bundled DevTools frontend,
 139   // even on Android, because the shell is used for running layout tests.
 140   devtools_http_handler_ =
 141       DevToolsHttpHandler::Start(CreateSocketFactory(), std::string(), this);
 142 }
 143
 144 ShellDevToolsDelegate::~ShellDevToolsDelegate() {
 145 }
 146
 147 void ShellDevToolsDelegate::Stop() {
 148   // The call below destroys this.
 149   devtools_http_handler_->Stop();
 150 }
 151
 152 std::string ShellDevToolsDelegate::GetDiscoveryPageHTML() {
 153   return ResourceBundle::GetSharedInstance().GetRawDataResource(
 154       IDR_CONTENT_SHELL_DEVTOOLS_DISCOVERY_PAGE).as_string();
 155 }
 156
 157 bool ShellDevToolsDelegate::BundlesFrontendResources() {
 158   return true;
 159 }
 160
 161 base::FilePath ShellDevToolsDelegate::GetDebugFrontendDir() {
 162   return base::FilePath();
 163 }
 164
 165 std::string ShellDevToolsDelegate::GetPageThumbnailData(const GURL& url) {
 166   return std::string();
 167 }
 168
 169 scoped_ptr<DevToolsTarget> ShellDevToolsDelegate::CreateNewTarget() {
 170   Shell* shell = Shell::CreateNewWindow(browser_context_,
 171                                         GURL(kAboutBlankURL),
 172                                         NULL,
 173                                         MSG_ROUTING_NONE,
 174                                         gfx::Size());
 175   return scoped_ptr<DevToolsTarget>(new Target(shell->web_contents()));
 176 }
 177
 178 void ShellDevToolsDelegate::EnumerateTargets(TargetCallback callback) {
 179   TargetList targets;
 180   std::vector<RenderViewHost*> rvh_list =
 181       content::DevToolsAgentHost::GetValidRenderViewHosts();
 182   for (std::vector<RenderViewHost*>::iterator it = rvh_list.begin();
 183        it != rvh_list.end(); ++it) {
 184     WebContents* web_contents = WebContents::FromRenderViewHost(*it);
 185     if (web_contents)
 186       targets.push_back(new Target(web_contents));
 187   }
 188   callback.Run(targets);
 189 }
 190
 191 scoped_ptr<net::StreamListenSocket>
 192 ShellDevToolsDelegate::CreateSocketForTethering(
 193     net::StreamListenSocket::Delegate* delegate,
 194     std::string* name) {
 195   return scoped_ptr<net::StreamListenSocket>();
 196 }
 197
 198 }  // namespace content