ash/shelf/shelf_navigator.h

   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/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_