168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved.
268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)// found in the LICENSE file.
468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)
568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#ifndef ASH_SHELF_SHELF_NAVIGATOR_H_
668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#define ASH_SHELF_SHELF_NAVIGATOR_H_
768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)
868043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#include "ash/ash_export.h"
95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ash/shelf/shelf_constants.h"
1068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)
1168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)namespace ash {
1268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)
13f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)class ShelfModel;
1468043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)
1568043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)// Scans the current shelf item and returns the index of the shelf item which
1668043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)// should be activated next for the specified |direction|. Returns -1 if fails
1768043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)// to find such item.
18f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)ASH_EXPORT int GetNextActivatedItemIndex(const ShelfModel& model,
1968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)                                         CycleDirection direction);
2068043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)
2168043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)}  // namespace ash
2268043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)
2368043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles)#endif  // ASH_SHELF_SHELF_NAVIGATOR_H_
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