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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 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_ | |
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