ui/app_list/cocoa/apps_pagination_model_observer.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 UI_APP_LIST_COCOA_APPS_PAGINATION_MODEL_OBSERVER_H_
   6 #define UI_APP_LIST_COCOA_APPS_PAGINATION_MODEL_OBSERVER_H_
   7
   8 // Observer protocol for page changes. Compare with
   9 // app_list::PaginationModelObserver.
  10 @protocol AppsPaginationModelObserver
  11
  12 // Invoked when the total number of pages has changed.
  13 - (void)totalPagesChanged;
  14
  15 // Invoked when the selected page index is changed.
  16 - (void)selectedPageChanged:(int)newSelected;
  17
  18 // Invoked when the portion of pages that are visible have changed.
  19 - (void)pageVisibilityChanged;
  20
  21 // Return a pager segment at |locationInWindow| or -1 if there is none.
  22 - (NSInteger)pagerSegmentAtLocation:(NSPoint)locationInWindow;
  23
  24 @end
  25
  26 #endif  // UI_APP_LIST_COCOA_APPS_PAGINATION_MODEL_OBSERVER_H_