src/chrome/browser/chromeos/login/auth/auth_prewarmer.cc

   1 // Copyright 2014 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/chromeos/login/auth/auth_prewarmer.h"
   6
   7 #include "chrome/browser/chrome_notification_types.h"
   8 #include "chrome/browser/chromeos/profiles/profile_helper.h"
   9 #include "chrome/browser/net/preconnect.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chromeos/network/network_handler.h"
  12 #include "chromeos/network/network_state.h"
  13 #include "chromeos/network/network_state_handler.h"
  14 #include "content/public/browser/browser_thread.h"
  15 #include "content/public/browser/notification_source.h"
  16 #include "google_apis/gaia/gaia_urls.h"
  17 #include "url/gurl.h"
  18
  19 namespace chromeos {
  20
  21 AuthPrewarmer::AuthPrewarmer()
  22     : doing_prewarm_(false) {
  23 }
  24
  25 AuthPrewarmer::~AuthPrewarmer() {
  26   if (registrar_.IsRegistered(
  27           this,
  28           chrome::NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED,
  29           content::Source<Profile>(ProfileHelper::GetSigninProfile()))) {
  30     registrar_.Remove(
  31         this,
  32         chrome::NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED,
  33         content::Source<Profile>(ProfileHelper::GetSigninProfile()));
  34   }
  35   NetworkHandler::Get()->network_state_handler()->RemoveObserver(this,
  36                                                                  FROM_HERE);
  37 }
  38
  39 void AuthPrewarmer::PrewarmAuthentication(
  40     const base::Closure& completion_callback) {
  41   if (doing_prewarm_) {
  42     LOG(ERROR) << "PrewarmAuthentication called twice.";
  43     return;
  44   }
  45   doing_prewarm_ = true;
  46   completion_callback_ = completion_callback;
  47   if (GetRequestContext() && IsNetworkConnected()) {
  48     DoPrewarm();
  49     return;
  50   }
  51   if (!IsNetworkConnected()) {
  52     // DefaultNetworkChanged will get called when a network becomes connected.
  53     NetworkHandler::Get()->network_state_handler()
  54         ->AddObserver(this, FROM_HERE);
  55   }
  56   if (!GetRequestContext()) {
  57     registrar_.Add(
  58         this,
  59         chrome::NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED,
  60         content::Source<Profile>(ProfileHelper::GetSigninProfile()));
  61   }
  62 }
  63
  64 void AuthPrewarmer::DefaultNetworkChanged(const NetworkState* network) {
  65   if (!network)
  66     return;  // Still no default (connected) network.
  67
  68   NetworkHandler::Get()->network_state_handler()
  69       ->RemoveObserver(this, FROM_HERE);
  70   if (GetRequestContext())
  71     DoPrewarm();
  72 }
  73
  74 void AuthPrewarmer::Observe(int type,
  75                             const content::NotificationSource& source,
  76                             const content::NotificationDetails& details) {
  77   switch (type) {
  78     case chrome::NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED:
  79       registrar_.Remove(
  80           this,
  81           chrome::NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED,
  82           content::Source<Profile>(ProfileHelper::GetSigninProfile()));
  83       if (IsNetworkConnected())
  84         DoPrewarm();
  85       break;
  86     default:
  87       NOTREACHED();
  88   }
  89 }
  90
  91 void AuthPrewarmer::DoPrewarm() {
  92   const int kConnectionsNeeded = 1;
  93
  94   std::vector<GURL> urls;
  95   urls.push_back(GaiaUrls::GetInstance()->client_login_url());
  96   urls.push_back(GaiaUrls::GetInstance()->service_login_url());
  97
  98   for (size_t i = 0; i < urls.size(); ++i) {
  99     chrome_browser_net::PreconnectOnUIThread(
 100         urls[i],
 101         urls[i],
 102         chrome_browser_net::UrlInfo::EARLY_LOAD_MOTIVATED,
 103         kConnectionsNeeded,
 104         GetRequestContext());
 105   }
 106   if (!completion_callback_.is_null()) {
 107     content::BrowserThread::PostTask(content::BrowserThread::UI,
 108                                      FROM_HERE,
 109                                      completion_callback_);
 110   }
 111 }
 112
 113 bool AuthPrewarmer::IsNetworkConnected() const {
 114   NetworkStateHandler* nsh = NetworkHandler::Get()->network_state_handler();
 115   return (nsh->ConnectedNetworkByType(NetworkTypePattern::Default()) != NULL);
 116 }
 117
 118 net::URLRequestContextGetter* AuthPrewarmer::GetRequestContext() const {
 119   return ProfileHelper::GetSigninProfile()->GetRequestContext();
 120 }
 121
 122 }  // namespace chromeos