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_ 27