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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_SHELF_SHELF_NAVIGATOR_H_ | |
| 6 #define ASH_SHELF_SHELF_NAVIGATOR_H_ | |
| 7 | |
| 8 #include "ash/ash_export.h" | |
| 9 #include "ash/common/shelf/shelf_constants.h" | |
| 10 | |
| 11 namespace ash { | |
| 12 | |
| 13 class ShelfModel; | |
| 14 | |
| 15 // Scans the current shelf item and returns the index of the shelf item which | |
| 16 // should be activated next for the specified |direction|. Returns -1 if fails | |
| 17 // to find such item. | |
| 18 ASH_EXPORT int GetNextActivatedItemIndex(const ShelfModel& model, | |
| 19 CycleDirection direction); | |
| 20 | |
| 21 } // namespace ash | |
| 22 | |
| 23 #endif // ASH_SHELF_SHELF_NAVIGATOR_H_ | |
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