1 /*
2  * Copyright (C) 2021 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 CELLULAR_DATA_SETTINGS_RDB_HELPER_H
17 #define CELLULAR_DATA_SETTINGS_RDB_HELPER_H
18 
19 #include <memory>
20 #include <singleton.h>
21 #include <utility>
22 
23 #include "datashare_helper.h"
24 #include "datashare_predicates.h"
25 #include "datashare_result_set.h"
26 #include "datashare_values_bucket.h"
27 #include "iservice_registry.h"
28 #include "result_set.h"
29 #include "system_ability_definition.h"
30 #include "uri.h"
31 
32 namespace OHOS {
33 namespace Telephony {
34 class CellularDataSettingsRdbHelper : public DelayedSingleton<CellularDataSettingsRdbHelper> {
35     DECLARE_DELAYED_SINGLETON(CellularDataSettingsRdbHelper);
36 public:
37     /**
38      * Registers an observer to DataObsMgr specified by the given Uri.
39      *
40      * @param uri, Indicates the path of the data to operate.
41      * @param dataObserver, Indicates the IDataAbilityObserver object.
42      */
43     void RegisterSettingsObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver);
44 
45     /**
46      * Deregisters an observer used for DataObsMgr specified by the given Uri.
47      *
48      * @param uri, Indicates the path of the data to operate.
49      * @param dataObserver, Indicates the IDataAbilityObserver object.
50      */
51     void UnRegisterSettingsObserver(const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver);
52 
53     /**
54      * Notifies the registered observers of a change to the data resource specified by Uri.
55      *
56      * @param uri, Indicates the path of the data to operate.
57      */
58     void NotifyChange(const Uri &uri);
59     int32_t GetValue(Uri &uri, const std::string &column, int32_t &value);
60     int32_t PutValue(Uri &uri, const std::string &column, int value);
61     std::shared_ptr<DataShare::DataShareHelper> CreateDataShareHelper();
62 };
63 } // namespace Telephony
64 } // namespace OHOS
65 #endif // CELLULAR_DATA_SETTINGS_RDB_HELPER_H
66