1 /*
2 * Copyright (c) 2021-2024 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 "data_ability_observer_proxy.h"
17 #include "hilog_tag_wrapper.h"
18 #include "message_parcel.h"
19
20 namespace OHOS {
21 namespace AAFwk {
DataAbilityObserverProxy(const sptr<IRemoteObject> & remote)22 DataAbilityObserverProxy::DataAbilityObserverProxy(const sptr<IRemoteObject> &remote)
23 : IRemoteProxy<IDataAbilityObserver>(remote)
24 {}
~DataAbilityObserverProxy()25 DataAbilityObserverProxy::~DataAbilityObserverProxy()
26 {}
27 /**
28 * @brief Called back to notify that the data being observed has changed.
29 *
30 * @param uri Indicates the path of the data to operate.
31 */
OnChange()32 void DataAbilityObserverProxy::OnChange()
33 {
34 OHOS::MessageParcel data;
35 OHOS::MessageParcel reply;
36 MessageOption option(MessageOption::TF_ASYNC);
37
38 if (!data.WriteInterfaceToken(DataAbilityObserverProxy::GetDescriptor())) {
39 TAG_LOGE(AAFwkTag::DBOBSMGR, "write token false");
40 return;
41 }
42
43 int result = SendTransactCmd(IDataAbilityObserver::DATA_ABILITY_OBSERVER_CHANGE, data, reply, option);
44 if (result != ERR_NONE) {
45 TAG_LOGE(AAFwkTag::DBOBSMGR, "error,result:%{public}d", result);
46 }
47 }
48
49 /**
50 * @brief Called back to notify that the data being observed has changed.
51 *
52 * @param changeInfo Indicates the info of the data to operate.
53 */
OnChangeExt(const ChangeInfo & changeInfo)54 void DataAbilityObserverProxy::OnChangeExt(const ChangeInfo &changeInfo)
55 {
56 OHOS::MessageParcel data;
57 OHOS::MessageParcel reply;
58 MessageOption option(MessageOption::TF_ASYNC);
59
60 if (!data.WriteInterfaceToken(DataAbilityObserverProxy::GetDescriptor())) {
61 TAG_LOGE(AAFwkTag::DBOBSMGR, "write token false");
62 return;
63 }
64
65 if (!ChangeInfo::Marshalling(changeInfo, data)) {
66 TAG_LOGE(AAFwkTag::DBOBSMGR, "changeInfo marshalling failed");
67 return;
68 }
69
70 int result = SendTransactCmd(IDataAbilityObserver::DATA_ABILITY_OBSERVER_CHANGE_EXT, data, reply, option);
71 if (result != ERR_NONE) {
72 TAG_LOGE(AAFwkTag::DBOBSMGR, "error result:%{public}d", result);
73 }
74 }
75
76 /**
77 * @brief Called back to notify that the data being observed has changed.
78 *
79 * @param uri Indicates the path of the data to operate.
80 */
OnChangePreferences(const std::string & key)81 void DataAbilityObserverProxy::OnChangePreferences(const std::string &key)
82 {
83 OHOS::MessageParcel data;
84 OHOS::MessageParcel reply;
85 MessageOption option(MessageOption::TF_ASYNC);
86
87 if (!data.WriteInterfaceToken(DataAbilityObserverProxy::GetDescriptor())) {
88 TAG_LOGE(AAFwkTag::DBOBSMGR, "write token false");
89 return;
90 }
91
92 if (!data.WriteString(key)) {
93 TAG_LOGE(AAFwkTag::DBOBSMGR, "write string false");
94 return;
95 }
96
97 int result =
98 SendTransactCmd(IDataAbilityObserver::DATA_ABILITY_OBSERVER_CHANGE_PREFERENCES, data, reply, option);
99 if (result != ERR_NONE) {
100 TAG_LOGE(AAFwkTag::DBOBSMGR, "error result:%{public}d", result);
101 }
102 }
103
SendTransactCmd(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)104 int32_t DataAbilityObserverProxy::SendTransactCmd(uint32_t code, MessageParcel &data,
105 MessageParcel &reply, MessageOption &option)
106 {
107 sptr<IRemoteObject> remote = Remote();
108 if (remote == nullptr) {
109 TAG_LOGE(AAFwkTag::DBOBSMGR, "null remote");
110 return ERR_NULL_OBJECT;
111 }
112
113 return remote->SendRequest(code, data, reply, option);
114 }
115
116 } // namespace AAFwk
117 } // namespace OHOS
118