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      1 // Copyright (c) 2012 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/background/ash_user_wallpaper_delegate.h"
      6 
      7 #include "ash/shell.h"
      8 #include "ash/desktop_background/user_wallpaper_delegate.h"
      9 #include "ash/wm/window_animations.h"
     10 #include "base/command_line.h"
     11 #include "base/logging.h"
     12 #include "chrome/browser/chrome_notification_types.h"
     13 #include "chrome/browser/chromeos/extensions/wallpaper_manager_util.h"
     14 #include "chrome/browser/chromeos/login/startup_utils.h"
     15 #include "chrome/browser/chromeos/login/wallpaper_manager.h"
     16 #include "chrome/browser/chromeos/login/wizard_controller.h"
     17 #include "chrome/browser/profiles/profile_manager.h"
     18 #include "chrome/browser/ui/browser.h"
     19 #include "chrome/browser/ui/browser_finder.h"
     20 #include "chrome/browser/ui/chrome_pages.h"
     21 #include "chromeos/chromeos_switches.h"
     22 #include "chromeos/login/login_state.h"
     23 #include "content/public/browser/notification_service.h"
     24 
     25 namespace chromeos {
     26 
     27 namespace {
     28 
     29 bool IsNormalWallpaperChange() {
     30   if (chromeos::LoginState::Get()->IsUserLoggedIn() ||
     31       !CommandLine::ForCurrentProcess()->HasSwitch(
     32           switches::kFirstExecAfterBoot) ||
     33       WizardController::IsZeroDelayEnabled() ||
     34       !CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginManager)) {
     35     return true;
     36   }
     37 
     38   return false;
     39 }
     40 
     41 class UserWallpaperDelegate : public ash::UserWallpaperDelegate {
     42  public:
     43   UserWallpaperDelegate() : boot_animation_finished_(false) {
     44   }
     45 
     46   virtual ~UserWallpaperDelegate() {
     47   }
     48 
     49   virtual int GetAnimationType() OVERRIDE {
     50     return ShouldShowInitialAnimation() ?
     51         ash::WINDOW_VISIBILITY_ANIMATION_TYPE_BRIGHTNESS_GRAYSCALE :
     52         static_cast<int>(views::corewm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE);
     53   }
     54 
     55   virtual bool ShouldShowInitialAnimation() OVERRIDE {
     56     if (IsNormalWallpaperChange() || boot_animation_finished_)
     57       return false;
     58 
     59     // It is a first boot case now. If kDisableBootAnimation flag
     60     // is passed, it only disables any transition after OOBE.
     61     // |kDisableOobeAnimation| disables OOBE animation for slow hardware.
     62     bool is_registered = StartupUtils::IsDeviceRegistered();
     63     const CommandLine* command_line = CommandLine::ForCurrentProcess();
     64     bool disable_boot_animation = command_line->
     65         HasSwitch(switches::kDisableBootAnimation);
     66     bool disable_oobe_animation = command_line->
     67         HasSwitch(switches::kDisableOobeAnimation);
     68     if ((!is_registered && disable_oobe_animation) ||
     69         (is_registered && disable_boot_animation))
     70       return false;
     71 
     72     return true;
     73   }
     74 
     75   virtual void UpdateWallpaper() OVERRIDE {
     76     chromeos::WallpaperManager::Get()->UpdateWallpaper();
     77   }
     78 
     79   virtual void InitializeWallpaper() OVERRIDE {
     80     chromeos::WallpaperManager::Get()->InitializeWallpaper();
     81   }
     82 
     83   virtual void OpenSetWallpaperPage() OVERRIDE {
     84     wallpaper_manager_util::OpenWallpaperManager();
     85   }
     86 
     87   virtual bool CanOpenSetWallpaperPage() OVERRIDE {
     88     return LoginState::Get()->IsUserAuthenticated();
     89   }
     90 
     91   virtual void OnWallpaperAnimationFinished() OVERRIDE {
     92     content::NotificationService::current()->Notify(
     93         chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED,
     94         content::NotificationService::AllSources(),
     95         content::NotificationService::NoDetails());
     96   }
     97 
     98   virtual void OnWallpaperBootAnimationFinished() OVERRIDE {
     99     // Make sure that boot animation type is used only once.
    100     boot_animation_finished_ = true;
    101   }
    102 
    103  private:
    104   bool boot_animation_finished_;
    105 
    106   DISALLOW_COPY_AND_ASSIGN(UserWallpaperDelegate);
    107 };
    108 
    109 }  // namespace
    110 
    111 ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() {
    112   return new chromeos::UserWallpaperDelegate();
    113 }
    114 
    115 }  // namespace chromeos
    116