mash: Migrate ShelfLockingManager to ash/common.

ash/wm/lock_state_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 "ash/wm/lock_state_controller.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 79 matching lines @@
 
 LockStateController::~LockStateController() {
   Shell::GetPrimaryRootWindow()->GetHost()->RemoveObserver(this);
 }
 
 void LockStateController::SetDelegate(
     std::unique_ptr<LockStateControllerDelegate> delegate) {
   delegate_ = std::move(delegate);
 }
 
-void LockStateController::AddObserver(LockStateObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void LockStateController::RemoveObserver(LockStateObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-bool LockStateController::HasObserver(const LockStateObserver* observer) const {
-  return observers_.HasObserver(observer);
-}
-
 void LockStateController::StartLockAnimation(bool shutdown_after_lock) {
   if (animating_lock_)
     return;
   shutdown_after_lock_ = shutdown_after_lock;
   can_cancel_lock_animation_ = true;
 
   StartCancellablePreLockAnimation();
 }
 
 void LockStateController::StartShutdownAnimation() {
@@ skipping 253 matching lines @@
   // Hide the screen locker containers so we can raise them later.
   animator_->StartAnimation(SessionStateAnimator::LOCK_SCREEN_CONTAINERS,
                             SessionStateAnimator::ANIMATION_HIDE_IMMEDIATELY,
                             SessionStateAnimator::ANIMATION_SPEED_IMMEDIATE);
   AnimateBackgroundAppearanceIfNecessary(
       SessionStateAnimator::ANIMATION_SPEED_MOVE_WINDOWS, animation_sequence);
 
   animation_sequence->EndSequence();
 
   DispatchCancelMode();
-  FOR_EACH_OBSERVER(
-      LockStateObserver, observers_,
-      OnLockStateEvent(LockStateObserver::EVENT_LOCK_ANIMATION_STARTED));
+  WmShell::Get()->OnLockStateEvent(
+      LockStateObserver::EVENT_LOCK_ANIMATION_STARTED);
 }
 
 void LockStateController::StartCancellablePreLockAnimation() {
   animating_lock_ = true;
   StoreUnlockedProperties();
   VLOG(1) << "StartCancellablePreLockAnimation";
   base::Closure next_animation_starter =
       base::Bind(&LockStateController::PreLockAnimationFinished,
                  weak_ptr_factory_.GetWeakPtr(), true /* request_lock */);
   SessionStateAnimator::AnimationSequence* animation_sequence =
       animator_->BeginAnimationSequence(next_animation_starter);
 
   animation_sequence->StartAnimation(
       SessionStateAnimator::NON_LOCK_SCREEN_CONTAINERS,
       SessionStateAnimator::ANIMATION_LIFT,
       SessionStateAnimator::ANIMATION_SPEED_UNDOABLE);
   animation_sequence->StartAnimation(
       SessionStateAnimator::LAUNCHER, SessionStateAnimator::ANIMATION_FADE_OUT,
       SessionStateAnimator::ANIMATION_SPEED_UNDOABLE);
   // Hide the screen locker containers so we can raise them later.
   animator_->StartAnimation(SessionStateAnimator::LOCK_SCREEN_CONTAINERS,
                             SessionStateAnimator::ANIMATION_HIDE_IMMEDIATELY,
                             SessionStateAnimator::ANIMATION_SPEED_IMMEDIATE);
   AnimateBackgroundAppearanceIfNecessary(
       SessionStateAnimator::ANIMATION_SPEED_UNDOABLE, animation_sequence);
 
   DispatchCancelMode();
-  FOR_EACH_OBSERVER(
-      LockStateObserver, observers_,
-      OnLockStateEvent(LockStateObserver::EVENT_PRELOCK_ANIMATION_STARTED));
+  WmShell::Get()->OnLockStateEvent(
+      LockStateObserver::EVENT_PRELOCK_ANIMATION_STARTED);
   animation_sequence->EndSequence();
 }
 
 void LockStateController::CancelPreLockAnimation() {
   VLOG(1) << "CancelPreLockAnimation";
   base::Closure next_animation_starter =
       base::Bind(&LockStateController::LockAnimationCancelled,
                  weak_ptr_factory_.GetWeakPtr());
   SessionStateAnimator::AnimationSequence* animation_sequence =
       animator_->BeginAnimationSequence(next_animation_starter);
@@ skipping 98 matching lines @@
 #endif
   lock_fail_timer_.Start(FROM_HERE, timeout, this,
                          &LockStateController::OnLockFailTimeout);
 
   lock_duration_timer_.reset(new base::ElapsedTimer());
 }
 
 void LockStateController::PostLockAnimationFinished() {
   animating_lock_ = false;
   VLOG(1) << "PostLockAnimationFinished";
-  FOR_EACH_OBSERVER(
-      LockStateObserver, observers_,
-      OnLockStateEvent(LockStateObserver::EVENT_LOCK_ANIMATION_FINISHED));
+  WmShell::Get()->OnLockStateEvent(
+      LockStateObserver::EVENT_LOCK_ANIMATION_FINISHED);
   if (!lock_screen_displayed_callback_.is_null()) {
     lock_screen_displayed_callback_.Run();
     lock_screen_displayed_callback_.Reset();
   }
   CHECK(!views::MenuController::GetActiveInstance());
   if (shutdown_after_lock_) {
     shutdown_after_lock_ = false;
     StartLockToShutdownTimer();
   }
 }
@@ skipping 46 matching lines @@
     SessionStateAnimator::AnimationSequence* animation_sequence) {
   if (unlocked_properties_.get() &&
       unlocked_properties_->background_is_hidden) {
     animation_sequence->StartAnimation(SessionStateAnimator::DESKTOP_BACKGROUND,
                                        SessionStateAnimator::ANIMATION_FADE_OUT,
                                        speed);
   }
 }
 
 }  // namespace ash