Creating multi profile animations for switching users and teleporting of windows.

chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 
 #include <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/multi_profile_uma.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_item_delegate_manager.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_model.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
+#include "ash/system/tray/system_tray_delegate.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/extensions/app_icon_loader_impl.h"
@@ skipping 51 matching lines @@
 #include "grit/ui_resources.h"
 #include "net/base/url_util.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/corewm/window_animations.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
-#include "chrome/browser/chromeos/login/wallpaper_manager.h"
 #include "chrome/browser/ui/ash/chrome_shell_delegate.h"
 #include "chrome/browser/ui/ash/launcher/multi_profile_browser_status_monitor.h"
 #include "chrome/browser/ui/ash/launcher/multi_profile_shell_window_launcher_controller.h"
 #endif
 
 using extensions::Extension;
 using extensions::UnloadedExtensionInfo;
 using extension_misc::kGmailAppId;
 using content::WebContents;
 
@@ skipping 135 matching lines @@
     // to postpone the notification until the ProfileManager lets us know that
     // the profile for that newly added user was added to the ProfileManager.
     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_ADDED,
                    content::NotificationService::AllSources());
   }
   virtual ~ChromeLauncherControllerUserSwitchObserverChromeOS() {
     chromeos::UserManager::Get()->RemoveSessionStateObserver(this);
   }
 
   // chromeos::UserManager::UserSessionStateObserver overrides:
-  virtual void ActiveUserChanged(const chromeos::User* active_user) OVERRIDE;
   virtual void UserAddedToSession(const chromeos::User* added_user) OVERRIDE;
 
   // content::NotificationObserver overrides:
   virtual void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) OVERRIDE;
 
  private:
   // Add a user to the session.
   void AddUser(Profile* profile);
 
   // The owning ChromeLauncherController.
   ChromeLauncherController* controller_;
 
   // The notification registrar to track the Profile creations after a user got
   // added to the session (if required).
   content::NotificationRegistrar registrar_;
 
   // Users which were just added to the system, but which profiles were not yet
   // (fully) loaded.
   std::set<std::string> added_user_ids_waiting_for_profiles_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherControllerUserSwitchObserverChromeOS);
 };
 
-void ChromeLauncherControllerUserSwitchObserverChromeOS::ActiveUserChanged(
-    const chromeos::User* active_user) {
-  const std::string& user_email = active_user->email();
-  // Forward the OS specific event to the ChromeLauncherController.
-  controller_->ActiveUserChanged(user_email);
-  // TODO(skuhne): At the moment the login screen does the wallpaper management
-  // and wallpapers are not synchronized across multiple desktops.
-  if (chromeos::WallpaperManager::Get())
-    chromeos::WallpaperManager::Get()->SetUserWallpaperDelayed(user_email);
-}
-
 void ChromeLauncherControllerUserSwitchObserverChromeOS::UserAddedToSession(
     const chromeos::User* active_user) {
   Profile* profile = multi_user_util::GetProfileFromUserID(
       active_user->email());
   // If we do not have a profile yet, we postpone forwarding the notification
   // until it is loaded.
   if (!profile)
     added_user_ids_waiting_for_profiles_.insert(active_user->email());
   else
     AddUser(profile);
@@ skipping 867 matching lines @@
   // Switch the running applications to the new user.
   shell_window_controller_->ActiveUserChanged(user_email);
   // Update the user specific shell properties from the new user profile.
   UpdateAppLaunchersFromPref();
   SetShelfAlignmentFromPrefs();
   SetShelfAutoHideBehaviorFromPrefs();
   SetShelfBehaviorsFromPrefs();
   // Restore the order of running, but unpinned applications for the activated
   // user.
   RestoreUnpinnedRunningApplicationOrder(user_email);
+  // Inform the system tray of the change.
+  ash::Shell::GetInstance()->system_tray_delegate()->ActiveUserWasChanged();
 }
 
 void ChromeLauncherController::AdditionalUserAddedToSession(Profile* profile) {
   // Switch the running applications to the new user.
   shell_window_controller_->AdditionalUserAddedToSession(profile);
 }
 
 void ChromeLauncherController::Observe(
     int type,
     const content::NotificationSource& source,
@@ skipping 503 matching lines @@
   const char* value = NULL;
   switch (behavior) {
     case ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS:
       value = ash::kShelfAutoHideBehaviorAlways;
       break;
     case ash::SHELF_AUTO_HIDE_BEHAVIOR_NEVER:
       value = ash::kShelfAutoHideBehaviorNever;
       break;
     case ash::SHELF_AUTO_HIDE_ALWAYS_HIDDEN:
       // This one should not be a valid preference option for now. We only want
-      // to completely hide it when we run app mode.
-      NOTREACHED();
+      // to completely hide it when we run in app mode - or while we temporarily
+      // hide the shelf as part of an animation (e.g. the multi user change).
       return;
   }
 
   UpdatePerDisplayPref(
       profile_->GetPrefs(), root_window, prefs::kShelfAutoHideBehavior, value);
 
   if (root_window == ash::Shell::GetPrimaryRootWindow()) {
     // See comment in |kShelfAlignment| about why we have two prefs here.
     profile_->GetPrefs()->SetString(prefs::kShelfAutoHideBehaviorLocal, value);
     profile_->GetPrefs()->SetString(prefs::kShelfAutoHideBehavior, value);
@@ skipping 358 matching lines @@
 }
 
 void ChromeLauncherController::ReleaseProfile() {
   if (app_sync_ui_state_)
     app_sync_ui_state_->RemoveObserver(this);
 
   PrefServiceSyncable::FromProfile(profile_)->RemoveObserver(this);
 
   pref_change_registrar_.RemoveAll();
 }