Enable wallpaper boot animation for boot into sign in too. Add flag to disable it.

BUG=133279

Review URL: https://chromiumcodereview.appspot.com/10834081

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150005 0039d316-1c4b-4281-b951-d872f2087c98

ash/desktop_background/desktop_background_controller.h

@@ -40,6 +40,9 @@ class UserWallpaperDelegate {
 
   // Notifies delegate that wallpaper animation has finished.
   virtual void OnWallpaperAnimationFinished() = 0;
+
+  // Notifies delegate that wallpaper boot animation has finished.
+  virtual void OnWallpaperBootAnimationFinished() = 0;
 };
 
 // Loads selected desktop wallpaper from file system asynchronously and updates

ash/shell.cc

@@ -137,6 +137,9 @@ class DummyUserWallpaperDelegate : public UserWallpaperDelegate {
   virtual void OnWallpaperAnimationFinished() OVERRIDE {
   }
 
+  virtual void OnWallpaperBootAnimationFinished() OVERRIDE {
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(DummyUserWallpaperDelegate);
 };

chrome/app/generated_resources.grd

@@ -5946,6 +5946,12 @@ Keep your key file in a safe place. You will need it to create new versions of y
         <message name="IDS_FLAGS_DISABLE_NEW_OOBE_DESCRIPTION" desc="Description for the flag to disable new design for OOBE / sign in flows.">
           Disables new design for OOBE / sign in flows.
         </message>
+        <message name="IDS_FLAGS_DISABLE_BOOT_ANIMATION" desc="Name for the flag to disable wallpaper boot animation (except for OOBE).">
+          Disable boot animation.
+        </message>
+        <message name="IDS_FLAGS_DISABLE_BOOT_ANIMATION_DESCRIPTION" desc="Description for the flag to disable wallpaper boot animation (except for OOBE).">
+          Disables wallpaper boot animation (except for OOBE case).
+        </message>
       </if>
 
       <message name="IDS_FLAGS_OLD_CHECKBOX_STYLE" desc="Name of the flag to turn off the new checkbox style.">

chrome/browser/about_flags.cc

@@ -824,6 +824,13 @@ const Experiment kExperiments[] = {
     kOsCrOS,
     SINGLE_VALUE_TYPE(switches::kDisableNewOobe),
   },
+  {
+    "disable-boot-animation",
+    IDS_FLAGS_DISABLE_BOOT_ANIMATION,
+    IDS_FLAGS_DISABLE_BOOT_ANIMATION_DESCRIPTION,
+    kOsCrOS,
+    SINGLE_VALUE_TYPE(switches::kDisableBootAnimation),
+  },
 #endif
   {
     "enable-views-textfield",

chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc

@@ -26,26 +26,38 @@ namespace chromeos {
 
 namespace {
 
-class UserWallpaperDelegate: public ash::UserWallpaperDelegate {
+bool IsNormalWallpaperChange() {
+  if (chromeos::UserManager::Get()->IsUserLoggedIn() ||
+      !CommandLine::ForCurrentProcess()->HasSwitch(switches::kFirstBoot) ||
+      CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableNewOobe) ||
+      WizardController::IsZeroDelayEnabled() ||
+      !CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginManager)) {
+    return true;
+  }
+
+  return false;
+}
+
+class UserWallpaperDelegate : public ash::UserWallpaperDelegate {
  public:
-  UserWallpaperDelegate() {
+  UserWallpaperDelegate() : boot_animation_finished_(false) {
   }
 
   virtual ~UserWallpaperDelegate() {
   }
 
   virtual ash::WindowVisibilityAnimationType GetAnimationType() OVERRIDE {
-    if (CommandLine::ForCurrentProcess()->HasSwitch(
-            switches::kDisableNewOobe) ||
-        WizardController::IsZeroDelayEnabled()) {
+    if (IsNormalWallpaperChange() || boot_animation_finished_)
       return ash::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE;
-    }
 
+    // It is a first boot case now. If kDisableBootAnimation flag
+    // is passed, it only disables any transition after OOBE.
     bool is_registered = WizardController::IsDeviceRegistered();
-    // TODO(nkostylev): Figure out whether this would affect autotests as well.
-    if (is_registered)
+    bool disable_boot_animation = CommandLine::ForCurrentProcess()->
+        HasSwitch(switches::kDisableBootAnimation);
+    if (is_registered && disable_boot_animation)
       return ash::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE;
-    else
+
     return ash::WINDOW_VISIBILITY_ANIMATION_TYPE_BRIGHTNESS_GRAYSCALE;
   }
 
@@ -68,7 +80,14 @@ class UserWallpaperDelegate: public ash::UserWallpaperDelegate {
         content::NotificationService::NoDetails());
   }
 
+  virtual void OnWallpaperBootAnimationFinished() OVERRIDE {
+    // Make sure that boot animation type is used only once.
+    boot_animation_finished_ = true;
+  }
+
  private:
+  bool boot_animation_finished_;
+
   DISALLOW_COPY_AND_ASSIGN(UserWallpaperDelegate);
 };
 

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

@@ -35,6 +35,7 @@
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
+#include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/low_memory_observer.h"
 #include "chrome/browser/chromeos/net/cros_network_change_notifier_factory.h"
 #include "chrome/browser/chromeos/net/network_change_notifier_chromeos.h"
@@ -419,6 +420,12 @@ void ChromeBrowserMainPartsChromeos::PostProfileInit() {
             chromeos::CrosLibrary::Get()->GetNetworkLibrary()));
   }
 
+  // Make sure that wallpaper boot transition and other delays in OOBE
+  // are disabled for tests by default.
+  // Individual tests may enable them if they want.
+  if (parsed_command_line().HasSwitch(switches::kTestType))
+    chromeos::WizardController::SetZeroDelays();
+
   // Tests should be able to tune login manager before showing it.
   // Thus only show login manager in normal (non-testing) mode.
   if (!parameters().ui_task)

chrome/browser/chromeos/login/wallpaper_manager.cc

@@ -198,13 +198,18 @@ void WallpaperManager::InitializeWallpaper() {
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType))
     WizardController::SetZeroDelays();
 
+  // Zero delays is also set in autotests.
+  if (WizardController::IsZeroDelayEnabled())
+    return;
+
+  bool disable_new_oobe = CommandLine::ForCurrentProcess()->
+      HasSwitch(switches::kDisableNewOobe);
+  bool disable_boot_animation = CommandLine::ForCurrentProcess()->
+      HasSwitch(switches::kDisableBootAnimation);
+
   if (!user_manager->IsUserLoggedIn()) {
-    if (!CommandLine::ForCurrentProcess()->HasSwitch(
-            switches::kDisableNewOobe)) {
-      if (!WizardController::IsDeviceRegistered() &&
-          !WizardController::IsZeroDelayEnabled()) {
-        // TODO(nkostylev): Add switch to disable wallpaper transition on OOBE.
-        // Should be used on test images so that they are not slowed down.
+    if (!disable_new_oobe) {
+      if (!WizardController::IsDeviceRegistered()) {
         ash::Shell::GetInstance()->desktop_background_controller()->
             SetDefaultWallpaper(kDefaultOOBEWallpaperIndex, false);
       } else {
@@ -214,8 +219,20 @@ void WallpaperManager::InitializeWallpaper() {
         DCHECK(result) << "Unable to fetch setting "
                        << kAccountsPrefShowUserNamesOnSignIn;
         if (!show_users) {
+          // Boot into sign in form, preload default wallpaper.
           ash::Shell::GetInstance()->desktop_background_controller()->
-              SetDefaultWallpaper(ash::GetSolidColorIndex(), false);
+              SetDefaultWallpaper(kDefaultOOBEWallpaperIndex, false);
+        } else if (!disable_boot_animation) {
+          // Normal boot, load user wallpaper.
+          // If normal boot animation is disabled wallpaper would be set
+          // asynchronously once user pods are loaded.
+          const chromeos::UserList& users = user_manager->GetUsers();
+          if (!users.empty()) {
+            SetUserWallpaper(users[0]->email());
+          } else {
+            ash::Shell::GetInstance()->desktop_background_controller()->
+                SetDefaultWallpaper(kDefaultOOBEWallpaperIndex, false);
+          }
         }
       }
     }

chrome/browser/chromeos/login/webui_login_display_host.cc

@@ -4,6 +4,7 @@
 
 #include "chrome/browser/chromeos/login/webui_login_display_host.h"
 
+#include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_animations.h"
@@ -61,7 +62,9 @@ WebUILoginDisplayHost::WebUILoginDisplayHost(const gfx::Rect& background_bounds)
   bool zero_delay_enabled = WizardController::IsZeroDelayEnabled();
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableNewOobe) &&
       !zero_delay_enabled) {
-    waiting_for_wallpaper_load_ = !is_registered;
+    bool disable_boot_animation = CommandLine::ForCurrentProcess()->
+        HasSwitch(switches::kDisableBootAnimation);
+    waiting_for_wallpaper_load_ = !is_registered || !disable_boot_animation;
   } else {
     waiting_for_wallpaper_load_ = false;
   }
@@ -173,6 +176,8 @@ void WebUILoginDisplayHost::Observe(
   BaseLoginDisplayHost::Observe(type, source, details);
   if (chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED == type) {
     is_wallpaper_loaded_ = true;
+    ash::Shell::GetInstance()->user_wallpaper_delegate()->
+        OnWallpaperBootAnimationFinished();
     if (waiting_for_wallpaper_load_)
       StartPostponedWebUI();
     registrar_.Remove(this,

chrome/browser/chromeos/login/wizard_controller.h

@@ -88,7 +88,7 @@ class WizardController : public ScreenObserver {
   // Returns initial locale from local settings.
   static std::string GetInitialLocale();
 
-  // Sets delays to zero. MUST be used only for browser tests.
+  // Sets delays to zero. MUST be used only for tests.
   static void SetZeroDelays();
 
   // If true zero delays have been enabled (for browser tests).

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

@@ -47,7 +47,6 @@
 #include "chrome/browser/chromeos/login/message_bubble.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
-#include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/mobile_config.h"
 #include "chrome/browser/chromeos/status/data_promo_notification.h"
 #include "chrome/browser/chromeos/status/network_menu.h"
@@ -256,14 +255,8 @@ class SystemTrayDelegate : public ash::SystemTrayDelegate,
 
   // Overridden from ash::SystemTrayDelegate:
   virtual bool GetTrayVisibilityOnStartup() OVERRIDE {
-    // If we're either logged in (doesn't matter in KioskMode or not),
-    // or not in KioskMode at all, return true.
-    // If not registered i.e. OOBE is still active, start with tray hidden,
-    // it will be enabled if needed by OOBE flow.
-    bool is_registered = chromeos::WizardController::IsDeviceRegistered();
-    return UserManager::Get()->IsUserLoggedIn() ||
-        (!chromeos::KioskModeSettings::Get()->IsKioskModeEnabled() &&
-            is_registered);
+    // In case of OOBE / sign in screen tray will be shown later.
+    return UserManager::Get()->IsUserLoggedIn();
   }
 
   virtual const string16 GetUserDisplayName() const OVERRIDE {

chrome/browser/resources/chromeos/login/display_manager.js

@@ -361,6 +361,13 @@ cr.define('cr.ui.login', function() {
     isLockScreen: function() {
       return document.documentElement.getAttribute('screen') == 'lock';
     },
+
+    /**
+     * Returns true if sign in UI should trigger wallpaper load on boot.
+     */
+    shouldLoadWallpaperOnBoot: function() {
+      return localStrings.getString('bootIntoWallpaper') == 'on';
+    },
   };
 
   /**

chrome/browser/resources/chromeos/login/user_pod_row.js

@@ -33,7 +33,7 @@ cr.define('login', function() {
    * @type {number}
    * @const
    */
-  var WALLPAPER_BOAT_LOAD_DELAY_MS = 500;
+  var WALLPAPER_BOOT_LOAD_DELAY_MS = 500;
 
   /**
    * Oauth token status. These must match UserManager::OAuthTokenStatus.
@@ -679,8 +679,10 @@ cr.define('login', function() {
             // Boot transition. Delay wallpaper load to remove jank
             // happening when wallpaper load is competing for resources with
             // login WebUI.
+            if (Oobe.getInstance().shouldLoadWallpaperOnBoot()) {
               this.loadWallpaperTimeout_ = window.setTimeout(
-                this.loadWallpaper_.bind(this), WALLPAPER_BOAT_LOAD_DELAY_MS);
+                  this.loadWallpaper_.bind(this), WALLPAPER_BOOT_LOAD_DELAY_MS);
+            }
             this.firstShown_ = false;
           }
         }

chrome/browser/ui/webui/chromeos/login/oobe_ui.cc

@@ -243,6 +243,15 @@ void OobeUI::GetLocalizedStrings(base::DictionaryValue* localized_strings) {
   else
     localized_strings->SetString("oobeType", "old");
 
+  // If we're not doing boot animation then WebUI should trigger
+  // wallpaper load on boot.
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisableBootAnimation)) {
+    localized_strings->SetString("bootIntoWallpaper", "on");
+  } else {
+    localized_strings->SetString("bootIntoWallpaper", "off");
+  }
+
   // OobeUI is used for OOBE/login and lock screen.
   if (BaseLoginDisplayHost::default_host())
     localized_strings->SetString("screenType", "login");

chrome/common/chrome_switches.cc

@@ -1344,6 +1344,9 @@ const char kTabletUI[]                      = "tablet-ui";
 #endif
 
 #if defined(OS_CHROMEOS)
+// Disables wallpaper boot animation (except of OOBE case).
+const char kDisableBootAnimation[]          = "disable-boot-animation";
+
 // Disables gdata content provider.
 const char kDisableGData[]                  = "disable-gdata";
 
@@ -1388,6 +1391,9 @@ const char kEnableUnsupportedBluetoothDevices[] =
 // Enables the experimental wallpaper picker UI.
 const char kExperimentalWallpaperUI[] = "experimental-wallpaper-ui";
 
+// Passed to Chrome on first boot. Not passed on restart after sign out.
+const char kFirstBoot[] = "first-boot";
+
 // Path for the screensaver used in Kiosk mode
 const char kKioskModeScreensaverPath[]      = "kiosk-mode-screensaver-path";
 

chrome/common/chrome_switches.h

@@ -365,6 +365,7 @@ extern const char kTabletUI[];
 
 #if defined(OS_CHROMEOS)
 // Keep switches in alphabetical order.
+extern const char kDisableBootAnimation[];
 extern const char kDisableGData[];
 extern const char kDisableHtml5Camera[];
 extern const char kDisableNewOobe[];
@@ -378,6 +379,7 @@ extern const char kEnableONCPolicy[];
 extern const char kEnableStaticIPConfig[];
 extern const char kEnableUnsupportedBluetoothDevices[];
 extern const char kExperimentalWallpaperUI[];
+extern const char kFirstBoot[];
 extern const char kKioskModeScreensaverPath[];
 extern const char kLoginManager[];
 // TODO(avayvod): Remove this flag when it's unnecessary for testing