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Side by Side Diff: ash/common/shelf/shelf_layout_manager_observer.h

Issue 2736573002: chromeos: Move files in //ash/common to //ash, part 2 (Closed)
Patch Set: Created 3 years, 9 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef ASH_COMMON_SHELF_SHELF_LAYOUT_MANAGER_OBSERVER_H_
6 #define ASH_COMMON_SHELF_SHELF_LAYOUT_MANAGER_OBSERVER_H_
7
8 #include "ash/ash_export.h"
9 #include "ash/common/shelf/shelf_background_animator.h"
10 #include "ash/public/cpp/shelf_types.h"
11
12 namespace ash {
13
14 enum class AnimationChangeType;
15
16 class ASH_EXPORT ShelfLayoutManagerObserver {
17 public:
18 virtual ~ShelfLayoutManagerObserver() {}
19
20 // Called when the target ShelfLayoutManager will be deleted.
21 virtual void WillDeleteShelfLayoutManager() {}
22
23 // Called when the visibility change is scheduled.
24 virtual void WillChangeVisibilityState(ShelfVisibilityState new_state) {}
25
26 // Called when the auto hide state is changed.
27 virtual void OnAutoHideStateChanged(ShelfAutoHideState new_state) {}
28
29 // Called when shelf background animation is started.
30 virtual void OnBackgroundUpdated(ShelfBackgroundType background_type,
31 AnimationChangeType change_type) {}
32 };
33
34 } // namespace ash
35
36 #endif // ASH_COMMON_SHELF_SHELF_LAYOUT_MANAGER_OBSERVER_H_
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