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 #ifndef OHOS_GLOBAL_I18N_I18N_SERVICE_ABILITY_LOAD_MANAGER_H
17 #define OHOS_GLOBAL_I18N_I18N_SERVICE_ABILITY_LOAD_MANAGER_H
18 
19 #include <mutex>
20 #include <singleton.h>
21 #include "iremote_object.h"
22 #include "iservice_registry.h"
23 
24 namespace OHOS {
25 namespace Global {
26 namespace I18n {
27 /**
28  * @brief Provides i18n service loading and unloading functions.
29  */
30 class I18nServiceAbilityLoadManager : public DelayedSingleton<I18nServiceAbilityLoadManager> {
31 public:
32     I18nServiceAbilityLoadManager();
33     ~I18nServiceAbilityLoadManager();
34 
35     /**
36      * @brief Get i18n service proxy.
37      *
38      * @param systemAbilityId i18n system ability id.
39      * @return sptr<IRemoteObject> i18n service proxy.
40      */
41     sptr<IRemoteObject> GetI18nServiceAbility(int32_t systemAbilityId);
42     bool UnloadI18nService(int32_t systemAbilityId);
43 
44     /**
45      * @brief Provided for I18nServiceAbilityLoadCallback to Update i18n service loading status to success.
46      */
47     void LoadSystemAbilitySuccess();
48 
49     /**
50      * @brief Provided for I18nServiceAbilityLoadCallback to Update i18n service loading status to failed.
51      */
52     void LoadSystemAbilityFail();
53 
54 private:
55     sptr<ISystemAbilityManager> LoadI18nServiceAbility(int32_t systemAbilityId);
56     void InitLoadState();
57 
58     /**
59      * @brief Wait i18n system ability load.
60      *
61      * @param systemAbilityId i18n system ability id.
62      * @return true Returning true indicates that the loading process has ended.
63      * @return false Returning false indicates that the loading process has been overtime.
64      */
65     bool WaitLoadStateChange(int32_t systemAbilityId);
66     std::condition_variable loadStateCondition;
67     std::mutex loadStateMutex;
68     bool loadState = false;
69 };
70 } // namespace I18n
71 } // namespace Global
72 } // namespace OHOS
73 #endif // OHOS_GLOBAL_I18N_I18N_SERVICE_ABILITY_LOAD_MANAGER_H