Refactor kiosk app launch to be part of login screen UI flow.

chrome/browser/chromeos/login/login_display_host_impl.cc

Index: chrome/browser/chromeos/login/login_display_host_impl.cc
diff --git a/chrome/browser/chromeos/login/login_display_host_impl.cc b/chrome/browser/chromeos/login/login_display_host_impl.cc
index 4148d9c9e16969b4f100ebbc34dd9e19abb63323..f9db777da4555c21a352323f54d8d931e298d027 100644
--- a/chrome/browser/chromeos/login/login_display_host_impl.cc
+++ b/chrome/browser/chromeos/login/login_display_host_impl.cc
@@ -23,6 +23,7 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/customization_document.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
@@ -85,6 +86,9 @@ const char kOobeURL[] = "chrome://oobe#login";
 // URL which corresponds to the user adding WebUI.
 const char kUserAddingURL[] = "chrome://oobe/login#user-adding";
 
+// URL which corresponds to the app launch splash WebUI.
+const char kAppLaunchSplashURL[] = "chrome://oobe/login#app-launch-splash";
+
 // Duration of sign-in transition animation.
 const int kLoginFadeoutTransitionDurationMs = 700;
 
@@ -509,6 +513,20 @@ void LoginDisplayHostImpl::PrewarmAuthentication() {
                  pointer_factory_.GetWeakPtr()));
 }
 
+void LoginDisplayHostImpl::StartAppLaunch(const std::string& app_id) {
+  LOG(WARNING) << "Login WebUI >> start app launch";
+  SetStatusAreaVisible(false);
+  if (!login_window_)
+    LoadURL(GURL(kAppLaunchSplashURL));
+
+  login_view_->set_should_emit_login_prompt_visible(false);
+
+  app_launch_controller_.reset(new AppLaunchController(
+      app_id, this, GetOobeUI()));
+
+  app_launch_controller_->StartAppLaunch();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // LoginDisplayHostImpl, public
 
@@ -868,13 +886,24 @@ void ShowLoginWizard(const std::string& first_screen_name) {
     LoginState::Get()->SetLoggedInState(
         LoginState::LOGGED_IN_NONE, LoginState::LOGGED_IN_USER_NONE);
   }
-  bool show_login_screen =
-      (first_screen_name.empty() && oobe_complete) ||
-      first_screen_name == chromeos::WizardController::kLoginScreenName;
 
   chromeos::LoginDisplayHost* display_host =
       new chromeos::LoginDisplayHostImpl(screen_bounds);

[xiyuan, 2013/08/15 18:19:42]

nit: chromeos:: is not needed.

[Tim Song, 2013/08/16 19:07:59]

Done.

 
+  bool show_app_launch_splash_screen = (first_screen_name ==
+      chromeos::WizardController::kAppLaunchSplashScreenName);
+
+  if (show_app_launch_splash_screen) {
+    const std::string& auto_launch_app_id =
+        chromeos::KioskAppManager::Get()->GetAutoLaunchApp();
+    display_host->StartAppLaunch(auto_launch_app_id);
+    return;
+  }
+
+  bool show_login_screen =
+      (first_screen_name.empty() && oobe_complete) ||
+      first_screen_name == chromeos::WizardController::kLoginScreenName;
+
   if (show_login_screen) {
     // R11 > R12 migration fix. See http://crosbug.com/p/4898.
     // If user has manually changed locale during R11 OOBE, locale will be set.