| // Copyright (c) 2012 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/chromeos/background/ash_user_wallpaper_delegate.h" |
| |
| #include "ash/desktop_background/user_wallpaper_delegate.h" |
| #include "ash/shell.h" |
| #include "ash/wm/window_animations.h" |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/chromeos/extensions/wallpaper_manager_util.h" |
| #include "chrome/browser/chromeos/login/startup_utils.h" |
| #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h" |
| #include "chrome/browser/chromeos/login/wizard_controller.h" |
| #include "chromeos/chromeos_switches.h" |
| #include "chromeos/login/login_state.h" |
| #include "components/user_manager/user.h" |
| #include "components/user_manager/user_manager.h" |
| #include "content/public/browser/notification_service.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| bool IsNormalWallpaperChange() { |
| if (chromeos::LoginState::Get()->IsUserLoggedIn() || |
| !CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kFirstExecAfterBoot) || |
| WizardController::IsZeroDelayEnabled() || |
| !CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginManager)) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| class UserWallpaperDelegate : public ash::UserWallpaperDelegate { |
| public: |
| UserWallpaperDelegate() |
| : boot_animation_finished_(false), |
| animation_duration_override_in_ms_(0) { |
| } |
| |
| virtual ~UserWallpaperDelegate() { |
| } |
| |
| virtual int GetAnimationType() override { |
| return ShouldShowInitialAnimation() ? |
| ash::WINDOW_VISIBILITY_ANIMATION_TYPE_BRIGHTNESS_GRAYSCALE : |
| static_cast<int>(wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE); |
| } |
| |
| virtual int GetAnimationDurationOverride() override { |
| return animation_duration_override_in_ms_; |
| } |
| |
| virtual void SetAnimationDurationOverride( |
| int animation_duration_in_ms) override { |
| animation_duration_override_in_ms_ = animation_duration_in_ms; |
| } |
| |
| virtual bool ShouldShowInitialAnimation() override { |
| if (IsNormalWallpaperChange() || boot_animation_finished_) |
| return false; |
| |
| // It is a first boot case now. If kDisableBootAnimation flag |
| // is passed, it only disables any transition after OOBE. |
| bool is_registered = StartupUtils::IsDeviceRegistered(); |
| const CommandLine* command_line = CommandLine::ForCurrentProcess(); |
| bool disable_boot_animation = command_line-> |
| HasSwitch(switches::kDisableBootAnimation); |
| if (is_registered && disable_boot_animation) |
| return false; |
| |
| return true; |
| } |
| |
| virtual void UpdateWallpaper(bool clear_cache) override { |
| chromeos::WallpaperManager::Get()->UpdateWallpaper(clear_cache); |
| } |
| |
| virtual void InitializeWallpaper() override { |
| chromeos::WallpaperManager::Get()->InitializeWallpaper(); |
| } |
| |
| virtual void OpenSetWallpaperPage() override { |
| if (CanOpenSetWallpaperPage()) |
| wallpaper_manager_util::OpenWallpaperManager(); |
| } |
| |
| virtual bool CanOpenSetWallpaperPage() override { |
| const LoginState* login_state = LoginState::Get(); |
| const LoginState::LoggedInUserType user_type = |
| login_state->GetLoggedInUserType(); |
| if (!login_state->IsUserLoggedIn()) |
| return false; |
| |
| // Whitelist user types that are allowed to change their wallpaper. (Guest |
| // users are not, see crosbug 26900.) |
| if (user_type != LoginState::LOGGED_IN_USER_REGULAR && |
| user_type != LoginState::LOGGED_IN_USER_OWNER && |
| user_type != LoginState::LOGGED_IN_USER_PUBLIC_ACCOUNT && |
| user_type != LoginState::LOGGED_IN_USER_SUPERVISED) { |
| return false; |
| } |
| const user_manager::User* user = |
| user_manager::UserManager::Get()->GetActiveUser(); |
| if (!user) |
| return false; |
| if (chromeos::WallpaperManager::Get()->IsPolicyControlled(user->email())) |
| return false; |
| return true; |
| } |
| |
| virtual void OnWallpaperAnimationFinished() override { |
| content::NotificationService::current()->Notify( |
| chrome::NOTIFICATION_WALLPAPER_ANIMATION_FINISHED, |
| content::NotificationService::AllSources(), |
| 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_; |
| |
| // The animation duration to show a new wallpaper if an animation is required. |
| int animation_duration_override_in_ms_; |
| |
| DISALLOW_COPY_AND_ASSIGN(UserWallpaperDelegate); |
| }; |
| |
| } // namespace |
| |
| ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() { |
| return new chromeos::UserWallpaperDelegate(); |
| } |
| |
| } // namespace chromeos |