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 SETTING_DATASHARE_H
17 #define SETTING_DATASHARE_H
18 
19 #include "datashare_helper.h"
20 #include "errors.h"
21 #include "mutex"
22 #include "setting_observer.h"
23 
24 namespace OHOS {
25 namespace MMI {
26 class SettingDataShare : public NoCopyable {
27 public:
28     ~SettingDataShare() override;
29     static SettingDataShare& GetInstance(int32_t systemAbilityId);
30     ErrCode GetStringValue(const std::string& key, std::string& value, const std::string &strUri = std::string());
31     ErrCode GetIntValue(const std::string& key, int32_t& value, const std::string &strUri = std::string());
32     ErrCode GetLongValue(const std::string& key, int64_t& value, const std::string &strUri = std::string());
33     ErrCode GetBoolValue(const std::string& key, bool& value, const std::string &strUri = std::string());
34     ErrCode PutStringValue(const std::string& key, const std::string& value,
35         bool needNotify = true, const std::string &strUri = std::string());
36     ErrCode PutIntValue(const std::string& key, int32_t value,
37         bool needNotify = true, const std::string &strUri = std::string());
38     ErrCode PutLongValue(const std::string& key, int64_t value,
39         bool needNotify = true, const std::string &strUri = std::string());
40     ErrCode PutBoolValue(const std::string& key, bool value,
41         bool needNotify = true, const std::string &strUri = std::string());
42     bool IsValidKey(const std::string& key, const std::string &strUri = std::string());
43     sptr<SettingObserver> CreateObserver(const std::string& key, SettingObserver::UpdateFunc& func);
44     static void ExecRegisterCb(const sptr<SettingObserver>& observer);
45     ErrCode RegisterObserver(const sptr<SettingObserver>& observer, const std::string &strUri = std::string());
46     ErrCode UnregisterObserver(const sptr<SettingObserver>& observer, const std::string &strUri = std::string());
47     bool CheckIfSettingsDataReady();
48 
49 private:
50     static std::shared_ptr<SettingDataShare> instance_;
51     static std::mutex mutex_;
52     static sptr<IRemoteObject> remoteObj_;
53     bool isDataShareReady_ = false;
54 
55     static std::shared_ptr<DataShare::DataShareHelper> CreateDataShareHelper(const std::string &strUri);
56     static bool ReleaseDataShareHelper(std::shared_ptr<DataShare::DataShareHelper>& helper);
57     static Uri AssembleUri(const std::string& key, const std::string &strUri);
58 };
59 }
60 } // namespace OHOS
61 #endif // SETTING_DATASHARE_H