1/*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16/**
17 * @file
18 * @kit AbilityKit
19 */
20
21import AbilityStateData from './AbilityStateData';
22
23/**
24 * The ability foreground state observer.
25 *
26 * @syscap SystemCapability.Ability.AbilityRuntime.Core
27 * @systemapi
28 * @since 11
29 */
30export default class AbilityForegroundStateObserver {
31
32  /**
33   * Will be called when foreground or background ability changed.
34   *
35   * @param { AbilityStateData } abilityStateData State changed ability info.
36   * @syscap SystemCapability.Ability.AbilityRuntime.Core
37   * @systemapi
38   * @since 11
39   */
40  onAbilityStateChanged(abilityStateData: AbilityStateData): void;
41}
42