Add lock pod animation on unlock.

ash/wm/session_state_controller_impl2.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 "ash/wm/session_state_controller_impl2.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/session_state_animator.h"
+#include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/shared/compound_event_filter.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/chromeos/chromeos_version.h"
 #endif
 
 namespace ash {
 
@@ skipping 146 matching lines @@
     return;
   if (lock_to_shutdown_timer_.IsRunning()) {
     lock_to_shutdown_timer_.Stop();
     return;
   }
   if (shutdown_after_lock_) {
     shutdown_after_lock_ = false;
     return;
   }
   animator_->CreateForeground();
-  animator_->StartAnimation(
+  base::Callback<void(void)> callback =
+      base::Bind(&internal::SessionStateAnimator::DropForeground,
+      base::Unretained(animator_.get()));
+  animator_->StartAnimationWithCallback(
       internal::SessionStateAnimator::LOCK_SCREEN_SYSTEM_FOREGROUND,
-      internal::SessionStateAnimator::ANIMATION_UNDO_PARTIAL_FADE_IN);
-
+      internal::SessionStateAnimator::ANIMATION_UNDO_PARTIAL_FADE_IN,
+      callback);
   pre_shutdown_timer_.Stop();
 }
 
 void SessionStateControllerImpl2::RequestShutdown() {
   if (!shutting_down_)
     RequestShutdownImpl();
 }
 
 void SessionStateControllerImpl2::RequestShutdownImpl() {
   DCHECK(!shutting_down_);
@@ skipping 89 matching lines @@
     ShellDelegate* delegate = Shell::GetInstance()->delegate();
     if (delegate) {
       delegate->Exit();
       return;
     }
   }
 #endif
   delegate_->RequestShutdown();
 }
 
+void SessionStateControllerImpl2::OnLockScreenHide(
+  base::Callback<void(void)>& callback) {
+  animator_->StartAnimationWithCallback(
+      internal::SessionStateAnimator::LOCK_SCREEN_CONTAINERS,
+      internal::SessionStateAnimator::ANIMATION_RAISE,
+      callback);
+}
+
 }  // namespace ash