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. ItemIconChanged()15 virtual void ItemIconChanged() {} 16 17 // Invoked after item's name is changed. ItemNameChanged()18 virtual void ItemNameChanged() {} 19 20 // Invoked after item's highlighted state is changed. ItemHighlightedChanged()21 virtual void ItemHighlightedChanged() {} 22 23 // Invoked after item begins or finishes installing. ItemIsInstallingChanged()24 virtual void ItemIsInstallingChanged() {} 25 26 // Invoked after item's download percentage changes. ItemPercentDownloadedChanged()27 virtual void ItemPercentDownloadedChanged() {} 28 29 // Invoked when the item is about to be destroyed. ItemBeingDestroyed()30 virtual void ItemBeingDestroyed() {} 31 32 protected: ~AppListItemObserver()33 virtual ~AppListItemObserver() {} 34 }; 35 36 } // namespace app_list 37 38 #endif // UI_APP_LIST_APP_LIST_ITEM_OBSERVER_H_ 39