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- // Copyright 2016 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/shelf/shelf_locking_manager.h"
- #include "ash/session/session_controller_impl.h"
- #include "ash/shelf/shelf.h"
- #include "ash/shell.h"
- #include "ash/wm/lock_state_controller.h"
- namespace ash {
- ShelfLockingManager::ShelfLockingManager(Shelf* shelf)
- : shelf_(shelf), scoped_session_observer_(this) {
- DCHECK(shelf_);
- Shell::Get()->lock_state_controller()->AddObserver(this);
- SessionControllerImpl* controller = Shell::Get()->session_controller();
- session_locked_ =
- controller->GetSessionState() != session_manager::SessionState::ACTIVE;
- screen_locked_ = controller->IsScreenLocked();
- }
- ShelfLockingManager::~ShelfLockingManager() {
- // |this| is destroyed after LockStateController for the primary display.
- if (Shell::Get()->lock_state_controller())
- Shell::Get()->lock_state_controller()->RemoveObserver(this);
- }
- void ShelfLockingManager::OnLockStateChanged(bool locked) {
- screen_locked_ = locked;
- UpdateLockedState();
- }
- void ShelfLockingManager::OnSessionStateChanged(
- session_manager::SessionState state) {
- session_locked_ = state != session_manager::SessionState::ACTIVE;
- UpdateLockedState();
- }
- void ShelfLockingManager::OnLockStateEvent(EventType event) {
- // Lock when the animation starts, ignoring pre-lock. There's no unlock event.
- screen_locked_ |= event == EVENT_LOCK_ANIMATION_STARTED;
- UpdateLockedState();
- }
- void ShelfLockingManager::UpdateLockedState() {
- const ShelfAlignment alignment = shelf_->alignment();
- if (is_locked() && alignment != ShelfAlignment::kBottomLocked) {
- stored_alignment_ = alignment;
- shelf_->SetAlignment(ShelfAlignment::kBottomLocked);
- } else if (!is_locked() && alignment == ShelfAlignment::kBottomLocked) {
- shelf_->SetAlignment(stored_alignment_);
- }
- }
- } // namespace ash
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