chrome/browser/devtools/browser_list_tabcontents_provider.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 "chrome/browser/devtools/browser_list_tabcontents_provider.h"
   6
   7 #include "base/path_service.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "chrome/browser/devtools/devtools_target_impl.h"
  10 #include "chrome/browser/history/top_sites.h"
  11 #include "chrome/browser/profiles/profile_manager.h"
  12 #include "chrome/browser/ui/browser.h"
  13 #include "chrome/browser/ui/browser_commands.h"
  14 #include "chrome/browser/ui/browser_iterator.h"
  15 #include "chrome/browser/ui/browser_list.h"
  16 #include "chrome/browser/ui/browser_tabstrip.h"
  17 #include "chrome/browser/ui/host_desktop.h"
  18 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  19 #include "chrome/common/chrome_paths.h"
  20 #include "content/public/browser/web_contents.h"
  21 #include "content/public/common/url_constants.h"
  22 #include "grit/browser_resources.h"
  23 #include "net/socket/tcp_listen_socket.h"
  24 #include "net/url_request/url_request_context_getter.h"
  25 #include "ui/base/resource/resource_bundle.h"
  26
  27 using content::DevToolsTarget;
  28 using content::RenderViewHost;
  29 using content::WebContents;
  30
  31 namespace {
  32
  33 const int kMinTetheringPort = 9333;
  34 const int kMaxTetheringPort = 9444;
  35
  36 base::LazyInstance<bool>::Leaky g_tethering_enabled = LAZY_INSTANCE_INITIALIZER;
  37
  38 }
  39
  40 // static
  41 void BrowserListTabContentsProvider::EnableTethering() {
  42   g_tethering_enabled.Get() = true;
  43 }
  44
  45 BrowserListTabContentsProvider::BrowserListTabContentsProvider(
  46     chrome::HostDesktopType host_desktop_type)
  47     : host_desktop_type_(host_desktop_type),
  48       last_tethering_port_(kMinTetheringPort) {
  49   g_tethering_enabled.Get() = false;
  50 }
  51
  52 BrowserListTabContentsProvider::~BrowserListTabContentsProvider() {
  53 }
  54
  55 std::string BrowserListTabContentsProvider::GetDiscoveryPageHTML() {
  56   std::set<Profile*> profiles;
  57   for (chrome::BrowserIterator it; !it.done(); it.Next())
  58     profiles.insert((*it)->profile());
  59
  60   for (std::set<Profile*>::iterator it = profiles.begin();
  61        it != profiles.end(); ++it) {
  62     history::TopSites* ts = (*it)->GetTopSites();
  63     if (ts) {
  64       // TopSites updates itself after a delay. Ask TopSites to update itself
  65       // when we're about to show the remote debugging landing page.
  66       ts->SyncWithHistory();
  67     }
  68   }
  69   return ResourceBundle::GetSharedInstance().GetRawDataResource(
  70       IDR_DEVTOOLS_DISCOVERY_PAGE_HTML).as_string();
  71 }
  72
  73 bool BrowserListTabContentsProvider::BundlesFrontendResources() {
  74   return true;
  75 }
  76
  77 base::FilePath BrowserListTabContentsProvider::GetDebugFrontendDir() {
  78 #if defined(DEBUG_DEVTOOLS)
  79   base::FilePath inspector_dir;
  80   PathService::Get(chrome::DIR_INSPECTOR, &inspector_dir);
  81   return inspector_dir;
  82 #else
  83   return base::FilePath();
  84 #endif
  85 }
  86
  87 std::string BrowserListTabContentsProvider::GetPageThumbnailData(
  88     const GURL& url) {
  89   for (chrome::BrowserIterator it; !it.done(); it.Next()) {
  90     Profile* profile = (*it)->profile();
  91     history::TopSites* top_sites = profile->GetTopSites();
  92     if (!top_sites)
  93       continue;
  94     scoped_refptr<base::RefCountedMemory> data;
  95     if (top_sites->GetPageThumbnail(url, false, &data))
  96       return std::string(data->front_as<char>(), data->size());
  97   }
  98
  99   return std::string();
 100 }
 101
 102 scoped_ptr<DevToolsTarget>
 103 BrowserListTabContentsProvider::CreateNewTarget(const GURL& url) {
 104   const BrowserList* browser_list =
 105       BrowserList::GetInstance(host_desktop_type_);
 106   WebContents* web_contents;
 107   if (browser_list->empty()) {
 108     chrome::NewEmptyWindow(ProfileManager::GetLastUsedProfile(),
 109         host_desktop_type_);
 110     if (browser_list->empty())
 111       return scoped_ptr<DevToolsTarget>();
 112     web_contents =
 113         browser_list->get(0)->tab_strip_model()->GetActiveWebContents();
 114     web_contents->GetController().LoadURL(url,
 115         content::Referrer(), content::PAGE_TRANSITION_TYPED, std::string());
 116   } else {
 117     web_contents = chrome::AddSelectedTabWithURL(
 118       browser_list->get(0),
 119       url,
 120       content::PAGE_TRANSITION_LINK);
 121   }
 122   content::RenderViewHost* rvh = web_contents->GetRenderViewHost();
 123   if (!rvh)
 124     return scoped_ptr<DevToolsTarget>();
 125   return scoped_ptr<DevToolsTarget>(
 126       DevToolsTargetImpl::CreateForRenderViewHost(rvh, true));
 127 }
 128
 129 void BrowserListTabContentsProvider::EnumerateTargets(TargetCallback callback) {
 130   DevToolsTargetImpl::EnumerateAllTargets(
 131       *reinterpret_cast<DevToolsTargetImpl::Callback*>(&callback));
 132 }
 133
 134 scoped_ptr<net::StreamListenSocket>
 135 BrowserListTabContentsProvider::CreateSocketForTethering(
 136     net::StreamListenSocket::Delegate* delegate,
 137     std::string* name) {
 138   if (!g_tethering_enabled.Get())
 139     return scoped_ptr<net::StreamListenSocket>();
 140
 141   if (last_tethering_port_ == kMaxTetheringPort)
 142     last_tethering_port_ = kMinTetheringPort;
 143   int port = ++last_tethering_port_;
 144   *name = base::IntToString(port);
 145   return net::TCPListenSocket::CreateAndListen("127.0.0.1", port, delegate)
 146       .PassAs<net::StreamListenSocket>();
 147 }