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

chrome/browser/chromeos/background/ash_user_wallpaper_delegate.cc

 // 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/shell.h"
 #include "ash/desktop_background/user_wallpaper_delegate.h"
 #include "ash/wm/window_animations.h"
 #include "base/command_line.h"
@@ skipping 22 matching lines @@
       WizardController::IsZeroDelayEnabled() ||
       !CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginManager)) {
     return true;
   }
 
   return false;
 }
 
 class UserWallpaperDelegate : public ash::UserWallpaperDelegate {
  public:
-  UserWallpaperDelegate() : boot_animation_finished_(false) {
+  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>(views::corewm::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.
     // |kDisableOobeAnimation| disables OOBE animation for slow hardware.
     bool is_registered = StartupUtils::IsDeviceRegistered();
     const CommandLine* command_line = CommandLine::ForCurrentProcess();
     bool disable_boot_animation = command_line->
@@ skipping 31 matching lines @@
   }
 
   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