1 /*
2 * Copyright (C) 2024 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 #include "advanced_datashare_observer.h"
17
18 #include "ans_log_wrapper.h"
19 #include "if_system_ability_manager.h"
20 #include "iservice_registry.h"
21 #include "message_parcel.h"
22 #include "os_account_manager.h"
23 #include "singleton.h"
24 #include "system_ability_definition.h"
25
26 namespace OHOS {
27 namespace Notification {
28 namespace {
29 constexpr const char *SETTING_URI_PROXY =
30 "datashare:///com.ohos.settingsdata/entry/settingsdata/SETTINGSDATA?Proxy=true";
31 constexpr const char *SETTINGS_DATASHARE_URI =
32 "datashare:///com.ohos.settingsdata/entry/settingsdata/USER_SETTINGSDATA_SECURE_100?Proxy=true";
33 constexpr const char *SETTINGS_DATA_EXT_URI = "datashare:///com.ohos.settingsdata.DataAbility";
34 constexpr const int32_t E_OK = 0;
35 constexpr const int32_t E_DATA_SHARE_NOT_READY = 1055;
36 } // namespace
37
38 AdvancedDatashareObserver::AdvancedDatashareObserver() = default;
39 AdvancedDatashareObserver::~AdvancedDatashareObserver() = default;
40
CreateDataShareHelper()41 std::shared_ptr<DataShare::DataShareHelper> AdvancedDatashareObserver::CreateDataShareHelper()
42 {
43 sptr<ISystemAbilityManager> saManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
44 if (saManager == nullptr) {
45 ANS_LOGE("The sa manager is nullptr.");
46 return nullptr;
47 }
48 sptr<IRemoteObject> remoteObj = saManager->GetSystemAbility(ADVANCED_NOTIFICATION_SERVICE_ABILITY_ID);
49 if (remoteObj == nullptr) {
50 ANS_LOGE("The remoteObj is nullptr.");
51 return nullptr;
52 }
53 return DataShare::DataShareHelper::Creator(remoteObj, SETTINGS_DATASHARE_URI, SETTINGS_DATA_EXT_URI);
54 }
55
UnRegisterSettingsObserver(const Uri & uri,const sptr<AAFwk::IDataAbilityObserver> & dataObserver)56 void AdvancedDatashareObserver::UnRegisterSettingsObserver(
57 const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver)
58 {
59 std::shared_ptr<DataShare::DataShareHelper> settingHelper = CreateDataShareHelper();
60 if (settingHelper == nullptr) {
61 ANS_LOGE("UnRegister settings observer failed by nullptr");
62 return;
63 }
64 settingHelper->UnregisterObserver(uri, dataObserver);
65 }
66
RegisterSettingsObserver(const Uri & uri,const sptr<AAFwk::IDataAbilityObserver> & dataObserver)67 void AdvancedDatashareObserver::RegisterSettingsObserver(
68 const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver)
69 {
70 ANS_LOGD("AdvancedDatashareObserver::RegisterSettingsObserver enter");
71 std::shared_ptr<DataShare::DataShareHelper> settingHelper = CreateDataShareHelper();
72 if (settingHelper == nullptr) {
73 ANS_LOGE("Register settings observer by nullptr");
74 return;
75 }
76 settingHelper->RegisterObserver(uri, dataObserver);
77 }
78
CheckIfSettingsDataReady()79 bool AdvancedDatashareObserver::CheckIfSettingsDataReady()
80 {
81 if (isDataShareReady_) {
82 return true;
83 }
84 sptr<ISystemAbilityManager> saManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
85 if (saManager == nullptr) {
86 ANS_LOGE("The sa manager is nullptr.");
87 return false;
88 }
89 sptr<IRemoteObject> remoteObj = saManager->GetSystemAbility(ADVANCED_NOTIFICATION_SERVICE_ABILITY_ID);
90 if (remoteObj == nullptr) {
91 ANS_LOGE("The remoteObj is nullptr.");
92 return false;
93 }
94 std::pair<int, std::shared_ptr<DataShare::DataShareHelper>> ret =
95 DataShare::DataShareHelper::Create(remoteObj, SETTING_URI_PROXY, SETTINGS_DATA_EXT_URI);
96 ANS_LOGI("create data_share helper, ret=%{public}d", ret.first);
97 if (ret.first == E_OK) {
98 ANS_LOGI("create data_share helper success");
99 auto helper = ret.second;
100 if (helper != nullptr) {
101 bool releaseRet = helper->Release();
102 ANS_LOGI("release data_share helper, releaseRet=%{public}d", releaseRet);
103 }
104 isDataShareReady_ = true;
105 return true;
106 } else if (ret.first == E_DATA_SHARE_NOT_READY) {
107 isDataShareReady_ = false;
108 return false;
109 }
110 ANS_LOGI("data_share unknown.");
111 return true;
112 }
113
114 } // namespace Notification
115 } // namespace OHOS
116