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