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_APP_LIST_ITEM_OBSERVER_H_ 6 #define UI_APP_LIST_APP_LIST_ITEM_OBSERVER_H_ 7 8 #include "ui/app_list/app_list_export.h" 9 10 namespace app_list { 11 12 class APP_LIST_EXPORT AppListItemObserver { 13 public: 14 // Invoked after item's icon is changed. 15 virtual void ItemIconChanged() = 0; 16 17 // Invoked after item's name is changed. 18 virtual void ItemNameChanged() = 0; 19 20 // Invoked after item's highlighted state is changed. 21 virtual void ItemHighlightedChanged() = 0; 22 23 // Invoked after item begins or finishes installing. 24 virtual void ItemIsInstallingChanged() = 0; 25 26 // Invoked after item's download percentage changes. 27 virtual void ItemPercentDownloadedChanged() = 0; 28 29 protected: 30 virtual ~AppListItemObserver() {} 31 }; 32 33 } // namespace app_list 34 35 #endif // UI_APP_LIST_APP_LIST_ITEM_OBSERVER_H_ 36
