blob: 7eb1d8a0db9f3a3791be503b31f58f1eb54e6fb1 [file] [log] [blame]
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include "ui/app_list/app_list_export.h"
namespace app_list {
class AppListItem;
class APP_LIST_EXPORT AppListItemListObserver {
// Triggered after |item| has been added to the list at |index|.
virtual void OnListItemAdded(size_t index, AppListItem* item) {}
// Triggered after an item has been removed from the list at |index|, just
// before the item is deleted.
virtual void OnListItemRemoved(size_t index, AppListItem* item) {}
// Triggered after |item| has been moved from |from_index| to |to_index|.
// Note: |from_index| may equal |to_index| if only the ordinal has changed.
virtual void OnListItemMoved(size_t from_index,
size_t to_index,
AppListItem* item) {}
// Triggered after the item at the corresponding index in the top level has
// started or completed installing and should be highlighted.
virtual void OnAppListItemHighlight(size_t index, bool highlight) {}
virtual ~AppListItemListObserver() {}
} // namespace app_list