blob: 8a2d5830df780c31b9d94b2e9eca9e1db1b140af [file] [log] [blame]
// 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/ash_export.h"
#include "ash/shelf/background_animator.h"
#include "ash/shelf/shelf_types.h"
namespace aura {
class Window;
namespace ash {
class ASH_EXPORT ShelfLayoutManagerObserver {
virtual ~ShelfLayoutManagerObserver() {}
// Called when the target ShelfLayoutManager will be deleted.
virtual void WillDeleteShelf() {}
// Called when the visibility change is scheduled.
virtual void WillChangeVisibilityState(ShelfVisibilityState new_state) {}
// Called when the auto hide state is changed.
virtual void OnAutoHideStateChanged(ShelfAutoHideState new_state) {}
// Called when the auto hide behavior is changed.
virtual void OnAutoHideBehaviorChanged(aura::Window* root_window,
ShelfAutoHideBehavior new_behavior) {}
// Called when shelf background animation is started.
virtual void OnBackgroundUpdated(
ShelfBackgroundType background_type,
BackgroundAnimatorChangeType change_type) {}
} // namespace ash