chrome/browser/chromeos/login/app_launch_controller.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 "chrome/browser/chromeos/login/app_launch_controller.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "base/files/file_path.h"
  10 #include "base/json/json_file_value_serializer.h"
  11 #include "base/logging.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/message_loop/message_loop.h"
  14 #include "base/time/time.h"
  15 #include "base/values.h"
  16 #include "chrome/browser/browser_process.h"
  17 #include "chrome/browser/chrome_notification_types.h"
  18 #include "chrome/browser/chromeos/app_mode/app_session_lifetime.h"
  19 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
  20 #include "chrome/browser/chromeos/app_mode/startup_app_launcher.h"
  21 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
  22 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
  23 #include "chrome/browser/chromeos/login/ui/oobe_display.h"
  24 #include "chrome/browser/chromeos/login/ui/webui_login_view.h"
  25 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  26 #include "chrome/browser/chromeos/settings/cros_settings.h"
  27 #include "chrome/browser/lifetime/application_lifetime.h"
  28 #include "chrome/browser/profiles/profile.h"
  29 #include "chrome/browser/ui/webui/chromeos/login/app_launch_splash_screen_handler.h"
  30 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
  31 #include "chromeos/settings/cros_settings_names.h"
  32 #include "components/user_manager/user_manager.h"
  33 #include "content/public/browser/notification_service.h"
  34 #include "extensions/browser/app_window/app_window.h"
  35 #include "extensions/browser/app_window/app_window_registry.h"
  36 #include "net/base/network_change_notifier.h"
  37
  38 namespace chromeos {
  39
  40 namespace {
  41
  42 // Application install splash screen minimum show time in milliseconds.
  43 const int kAppInstallSplashScreenMinTimeMS = 3000;
  44
  45 }  // namespace
  46
  47 // static
  48 bool AppLaunchController::skip_splash_wait_ = false;
  49 int AppLaunchController::network_wait_time_ = 10;
  50 base::Closure* AppLaunchController::network_timeout_callback_ = NULL;
  51 AppLaunchController::ReturnBoolCallback*
  52     AppLaunchController::can_configure_network_callback_ = NULL;
  53 AppLaunchController::ReturnBoolCallback*
  54     AppLaunchController::need_owner_auth_to_configure_network_callback_ = NULL;
  55
  56 ////////////////////////////////////////////////////////////////////////////////
  57 // AppLaunchController::AppWindowWatcher
  58
  59 class AppLaunchController::AppWindowWatcher
  60     : public extensions::AppWindowRegistry::Observer {
  61  public:
  62   explicit AppWindowWatcher(AppLaunchController* controller,
  63                             const std::string& app_id)
  64       : controller_(controller),
  65         app_id_(app_id),
  66         window_registry_(
  67             extensions::AppWindowRegistry::Get(controller->profile_)),
  68         weak_factory_(this) {
  69     if (!window_registry_->GetAppWindowsForApp(app_id).empty()) {
  70       base::MessageLoop::current()->PostTask(
  71           FROM_HERE,
  72           base::Bind(&AppWindowWatcher::NotifyAppWindowCreated,
  73                      weak_factory_.GetWeakPtr()));
  74       return;
  75     } else {
  76       window_registry_->AddObserver(this);
  77     }
  78   }
  79   ~AppWindowWatcher() override { window_registry_->RemoveObserver(this); }
  80
  81  private:
  82   // extensions::AppWindowRegistry::Observer overrides:
  83   void OnAppWindowAdded(extensions::AppWindow* app_window) override {
  84     if (app_window->extension_id() == app_id_) {
  85       window_registry_->RemoveObserver(this);
  86       NotifyAppWindowCreated();
  87     }
  88   }
  89
  90   void NotifyAppWindowCreated() {
  91     controller_->OnAppWindowCreated();
  92   }
  93
  94   AppLaunchController* controller_;
  95   std::string app_id_;
  96   extensions::AppWindowRegistry* window_registry_;
  97   base::WeakPtrFactory<AppWindowWatcher> weak_factory_;
  98
  99   DISALLOW_COPY_AND_ASSIGN(AppWindowWatcher);
 100 };
 101
 102 ////////////////////////////////////////////////////////////////////////////////
 103 // AppLaunchController
 104
 105 AppLaunchController::AppLaunchController(const std::string& app_id,
 106                                          bool diagnostic_mode,
 107                                          LoginDisplayHost* host,
 108                                          OobeDisplay* oobe_display)
 109     : profile_(NULL),
 110       app_id_(app_id),
 111       diagnostic_mode_(diagnostic_mode),
 112       host_(host),
 113       oobe_display_(oobe_display),
 114       app_launch_splash_screen_actor_(
 115           oobe_display_->GetAppLaunchSplashScreenActor()),
 116       webui_visible_(false),
 117       launcher_ready_(false),
 118       waiting_for_network_(false),
 119       network_wait_timedout_(false),
 120       showing_network_dialog_(false),
 121       network_config_requested_(false),
 122       launch_splash_start_time_(0) {
 123 }
 124
 125 AppLaunchController::~AppLaunchController() {
 126   app_launch_splash_screen_actor_->SetDelegate(NULL);
 127 }
 128
 129 void AppLaunchController::StartAppLaunch(bool is_auto_launch) {
 130   DVLOG(1) << "Starting kiosk mode...";
 131
 132   webui_visible_ = host_->GetWebUILoginView()->webui_visible();
 133   if (!webui_visible_) {
 134     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
 135                    content::NotificationService::AllSources());
 136   }
 137   launch_splash_start_time_ = base::TimeTicks::Now().ToInternalValue();
 138
 139   // TODO(tengs): Add a loading profile app launch state.
 140   app_launch_splash_screen_actor_->SetDelegate(this);
 141   app_launch_splash_screen_actor_->Show(app_id_);
 142
 143   KioskAppManager::App app;
 144   CHECK(KioskAppManager::Get());
 145   CHECK(KioskAppManager::Get()->GetApp(app_id_, &app));
 146
 147   if (is_auto_launch) {
 148     int delay;
 149     if (!CrosSettings::Get()->GetInteger(
 150             kAccountsPrefDeviceLocalAccountAutoLoginDelay, &delay)) {
 151       delay = 0;
 152     }
 153     DCHECK_EQ(0, delay) << "Kiosks do not support non-zero auto-login delays";
 154
 155     // If we are launching a kiosk app with zero delay, mark it appropriately.
 156     if (delay == 0)
 157       KioskAppManager::Get()->SetAppWasAutoLaunchedWithZeroDelay(app_id_);
 158   }
 159
 160   kiosk_profile_loader_.reset(
 161       new KioskProfileLoader(app.user_id, false, this));
 162   kiosk_profile_loader_->Start();
 163 }
 164
 165 // static
 166 void AppLaunchController::SkipSplashWaitForTesting() {
 167   skip_splash_wait_ = true;
 168 }
 169
 170 // static
 171 void AppLaunchController::SetNetworkWaitForTesting(int wait_time_secs) {
 172   network_wait_time_ = wait_time_secs;
 173 }
 174
 175 // static
 176 void AppLaunchController::SetNetworkTimeoutCallbackForTesting(
 177     base::Closure* callback) {
 178   network_timeout_callback_ = callback;
 179 }
 180
 181 // static
 182 void AppLaunchController::SetCanConfigureNetworkCallbackForTesting(
 183     ReturnBoolCallback* can_configure_network_callback) {
 184   can_configure_network_callback_ = can_configure_network_callback;
 185 }
 186
 187 // static
 188 void AppLaunchController::SetNeedOwnerAuthToConfigureNetworkCallbackForTesting(
 189     ReturnBoolCallback* need_owner_auth_callback) {
 190   need_owner_auth_to_configure_network_callback_ = need_owner_auth_callback;
 191 }
 192
 193 void AppLaunchController::OnConfigureNetwork() {
 194   DCHECK(profile_);
 195   showing_network_dialog_ = true;
 196   if (CanConfigureNetwork() && NeedOwnerAuthToConfigureNetwork()) {
 197     signin_screen_.reset(new AppLaunchSigninScreen(
 198        static_cast<OobeUI*>(oobe_display_), this));
 199     signin_screen_->Show();
 200   } else {
 201     // If kiosk mode was configured through enterprise policy, we may
 202     // not have an owner user.
 203     // TODO(tengs): We need to figure out the appropriate security meausres
 204     // for this case.
 205     NOTREACHED();
 206   }
 207 }
 208
 209 void AppLaunchController::OnOwnerSigninSuccess() {
 210   app_launch_splash_screen_actor_->ShowNetworkConfigureUI();
 211   signin_screen_.reset();
 212 }
 213
 214 void AppLaunchController::Observe(
 215     int type,
 216     const content::NotificationSource& source,
 217     const content::NotificationDetails& details) {
 218   DCHECK_EQ(chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE, type);
 219   DCHECK(!webui_visible_);
 220   webui_visible_ = true;
 221   launch_splash_start_time_ = base::TimeTicks::Now().ToInternalValue();
 222   if (launcher_ready_)
 223     OnReadyToLaunch();
 224 }
 225
 226 void AppLaunchController::OnCancelAppLaunch() {
 227   if (KioskAppManager::Get()->GetDisableBailoutShortcut())
 228     return;
 229
 230   OnLaunchFailed(KioskAppLaunchError::USER_CANCEL);
 231 }
 232
 233 void AppLaunchController::OnNetworkConfigRequested(bool requested) {
 234   network_config_requested_ = requested;
 235   if (requested)
 236     MaybeShowNetworkConfigureUI();
 237   else
 238     startup_app_launcher_->RestartLauncher();
 239 }
 240
 241 void AppLaunchController::OnNetworkStateChanged(bool online) {
 242   if (!waiting_for_network_)
 243     return;
 244
 245   if (online && !network_config_requested_)
 246     startup_app_launcher_->ContinueWithNetworkReady();
 247   else if (network_wait_timedout_)
 248     MaybeShowNetworkConfigureUI();
 249 }
 250
 251 void AppLaunchController::OnProfileLoaded(Profile* profile) {
 252   DVLOG(1) << "Profile loaded... Starting app launch.";
 253   profile_ = profile;
 254
 255   // This is needed to trigger input method extensions being loaded.
 256   profile_->InitChromeOSPreferences();
 257
 258   kiosk_profile_loader_.reset();
 259   startup_app_launcher_.reset(
 260       new StartupAppLauncher(profile_, app_id_, diagnostic_mode_, this));
 261   startup_app_launcher_->Initialize();
 262 }
 263
 264 void AppLaunchController::OnProfileLoadFailed(
 265     KioskAppLaunchError::Error error) {
 266   OnLaunchFailed(error);
 267 }
 268
 269 void AppLaunchController::CleanUp() {
 270   kiosk_profile_loader_.reset();
 271   startup_app_launcher_.reset();
 272   splash_wait_timer_.Stop();
 273
 274   if (host_)
 275     host_->Finalize();
 276 }
 277
 278 void AppLaunchController::OnNetworkWaitTimedout() {
 279   DCHECK(waiting_for_network_);
 280   LOG(WARNING) << "OnNetworkWaitTimedout... connection = "
 281                <<  net::NetworkChangeNotifier::GetConnectionType();
 282   network_wait_timedout_ = true;
 283
 284   MaybeShowNetworkConfigureUI();
 285
 286   if (network_timeout_callback_)
 287     network_timeout_callback_->Run();
 288 }
 289
 290 void AppLaunchController::OnAppWindowCreated() {
 291   DVLOG(1) << "App window created, closing splash screen.";
 292   CleanUp();
 293 }
 294
 295 bool AppLaunchController::CanConfigureNetwork() {
 296   if (can_configure_network_callback_)
 297     return can_configure_network_callback_->Run();
 298
 299   policy::BrowserPolicyConnectorChromeOS* connector =
 300       g_browser_process->platform_part()->browser_policy_connector_chromeos();
 301   if (connector->IsEnterpriseManaged()) {
 302     bool should_prompt;
 303     if (CrosSettings::Get()->GetBoolean(
 304             kAccountsPrefDeviceLocalAccountPromptForNetworkWhenOffline,
 305             &should_prompt)) {
 306       return should_prompt;
 307     }
 308
 309     // Default to true to allow network configuration if the policy is missing.
 310     return true;
 311   }
 312
 313   return !user_manager::UserManager::Get()->GetOwnerEmail().empty();
 314 }
 315
 316 bool AppLaunchController::NeedOwnerAuthToConfigureNetwork() {
 317   if (need_owner_auth_to_configure_network_callback_)
 318     return need_owner_auth_to_configure_network_callback_->Run();
 319
 320   policy::BrowserPolicyConnectorChromeOS* connector =
 321       g_browser_process->platform_part()->browser_policy_connector_chromeos();
 322   return !connector->IsEnterpriseManaged();
 323 }
 324
 325 void AppLaunchController::MaybeShowNetworkConfigureUI() {
 326   if (CanConfigureNetwork()) {
 327     if (NeedOwnerAuthToConfigureNetwork()) {
 328       if (network_config_requested_)
 329         OnConfigureNetwork();
 330       else
 331         app_launch_splash_screen_actor_->ToggleNetworkConfig(true);
 332     } else {
 333       showing_network_dialog_ = true;
 334       app_launch_splash_screen_actor_->ShowNetworkConfigureUI();
 335     }
 336   } else {
 337     app_launch_splash_screen_actor_->UpdateAppLaunchState(
 338         AppLaunchSplashScreenActor::APP_LAUNCH_STATE_NETWORK_WAIT_TIMEOUT);
 339   }
 340 }
 341
 342 void AppLaunchController::InitializeNetwork() {
 343   // Show the network configuration dialog if network is not initialized
 344   // after a brief wait time.
 345   waiting_for_network_ = true;
 346   network_wait_timer_.Start(
 347       FROM_HERE,
 348       base::TimeDelta::FromSeconds(network_wait_time_),
 349       this, &AppLaunchController::OnNetworkWaitTimedout);
 350
 351   app_launch_splash_screen_actor_->UpdateAppLaunchState(
 352       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_PREPARING_NETWORK);
 353 }
 354
 355 bool AppLaunchController::IsNetworkReady() {
 356   return app_launch_splash_screen_actor_->IsNetworkReady();
 357 }
 358
 359 void AppLaunchController::OnLoadingOAuthFile() {
 360   app_launch_splash_screen_actor_->UpdateAppLaunchState(
 361       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_LOADING_AUTH_FILE);
 362 }
 363
 364 void AppLaunchController::OnInitializingTokenService() {
 365   app_launch_splash_screen_actor_->UpdateAppLaunchState(
 366       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_LOADING_TOKEN_SERVICE);
 367 }
 368
 369 void AppLaunchController::OnInstallingApp() {
 370   app_launch_splash_screen_actor_->UpdateAppLaunchState(
 371       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_INSTALLING_APPLICATION);
 372
 373   waiting_for_network_ = false;
 374   network_wait_timer_.Stop();
 375   app_launch_splash_screen_actor_->ToggleNetworkConfig(false);
 376
 377   // We have connectivity at this point, so we can skip the network
 378   // configuration dialog if it is being shown.
 379   if (showing_network_dialog_) {
 380     app_launch_splash_screen_actor_->Show(app_id_);
 381     showing_network_dialog_ = false;
 382     launch_splash_start_time_ = base::TimeTicks::Now().ToInternalValue();
 383   }
 384 }
 385
 386 void AppLaunchController::OnReadyToLaunch() {
 387   launcher_ready_ = true;
 388
 389   if (network_config_requested_)
 390     return;
 391
 392   if (!webui_visible_)
 393     return;
 394
 395   if (splash_wait_timer_.IsRunning())
 396     return;
 397
 398   const int64 time_taken_ms = (base::TimeTicks::Now() -
 399       base::TimeTicks::FromInternalValue(launch_splash_start_time_)).
 400       InMilliseconds();
 401
 402   // Enforce that we show app install splash screen for some minimum amount
 403   // of time.
 404   if (!skip_splash_wait_ && time_taken_ms < kAppInstallSplashScreenMinTimeMS) {
 405     splash_wait_timer_.Start(
 406         FROM_HERE,
 407         base::TimeDelta::FromMilliseconds(
 408             kAppInstallSplashScreenMinTimeMS - time_taken_ms),
 409         this,
 410         &AppLaunchController::OnReadyToLaunch);
 411     return;
 412   }
 413
 414   startup_app_launcher_->LaunchApp();
 415 }
 416
 417 void AppLaunchController::OnLaunchSucceeded() {
 418   DVLOG(1) << "Kiosk launch succeeded, wait for app window.";
 419   app_launch_splash_screen_actor_->UpdateAppLaunchState(
 420       AppLaunchSplashScreenActor::APP_LAUNCH_STATE_WAITING_APP_WINDOW);
 421
 422   DCHECK(!app_window_watcher_);
 423   app_window_watcher_.reset(new AppWindowWatcher(this, app_id_));
 424 }
 425
 426 void AppLaunchController::OnLaunchFailed(KioskAppLaunchError::Error error) {
 427   LOG(ERROR) << "Kiosk launch failed. Will now shut down."
 428              << ", error=" << error;
 429   DCHECK_NE(KioskAppLaunchError::NONE, error);
 430
 431   // Saves the error and ends the session to go back to login screen.
 432   KioskAppLaunchError::Save(error);
 433   chrome::AttemptUserExit();
 434   CleanUp();
 435 }
 436
 437 bool AppLaunchController::IsShowingNetworkConfigScreen() {
 438   return network_config_requested_;
 439 }
 440
 441 }   // namespace chromeos