1 /*
2  * Copyright (c) 2022 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 #ifndef OHOS_ABILITY_RUNTIME_EXTENSION_COMMON_H
17 #define OHOS_ABILITY_RUNTIME_EXTENSION_COMMON_H
18 
19 namespace OHOS {
20 namespace AppExecFwk {
21 class Configuration;
22 }
23 namespace AbilityRuntime {
24 /**
25  * @brief The Extension component to schedule task with no pages.
26  */
27 class ExtensionCommon {
28 public:
29     virtual ~ExtensionCommon() = default;
30 
31     /**
32      * @brief Called when the system configuration is updated.
33      *
34      * @param configuration Indicates the updated configuration information.
35      */
36     virtual void OnConfigurationUpdated(const std::shared_ptr<AppExecFwk::Configuration> &configuration) = 0;
37 
38     /**
39      * @brief Notify current memory level.
40      *
41      * @param level Current memory level.
42      */
43     virtual void OnMemoryLevel(int level) = 0;
44 };
45 }  // namespace AbilityRuntime
46 }  // namespace OHOS
47 #endif  // OHOS_ABILITY_RUNTIME_EXTENSION_COMMON_H
48