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 #include "dataobs_mgr_proxy.h"
17
18 #include "errors.h"
19 #include "hilog_wrapper.h"
20 #include "dataobs_mgr_errors.h"
21
22 namespace OHOS {
23 namespace AAFwk {
WriteInterfaceToken(MessageParcel & data)24 bool DataObsManagerProxy::WriteInterfaceToken(MessageParcel &data)
25 {
26 if (!data.WriteInterfaceToken(DataObsManagerProxy::GetDescriptor())) {
27 HILOG_ERROR("write interface token failed");
28 return false;
29 }
30 return true;
31 }
32
RegisterObserver(const Uri & uri,const sptr<IDataAbilityObserver> & dataObserver)33 int DataObsManagerProxy::RegisterObserver(const Uri &uri, const sptr<IDataAbilityObserver> &dataObserver)
34 {
35 int error;
36 MessageParcel data;
37 MessageParcel reply;
38 MessageOption option;
39
40 if (!WriteInterfaceToken(data)) {
41 return DATAOBS_PROXY_INNER_ERR;
42 }
43 if (!data.WriteParcelable(&uri)) {
44 HILOG_ERROR("register observer fail, uri error");
45 return ERR_INVALID_VALUE;
46 }
47 if (dataObserver == nullptr) {
48 HILOG_ERROR("register observer fail, dataObserver is nullptr");
49 return ERR_INVALID_VALUE;
50 }
51
52 if (!data.WriteRemoteObject(dataObserver->AsObject())) {
53 HILOG_ERROR("register observer fail, dataObserver error");
54 return ERR_INVALID_VALUE;
55 }
56
57 error = Remote()->SendRequest(IDataObsMgr::REGISTER_OBSERVER, data, reply, option);
58 if (error != NO_ERROR) {
59 HILOG_ERROR("register observer fail, error: %d", error);
60 return error;
61 }
62 return reply.ReadInt32();
63 }
64
UnregisterObserver(const Uri & uri,const sptr<IDataAbilityObserver> & dataObserver)65 int DataObsManagerProxy::UnregisterObserver(const Uri &uri, const sptr<IDataAbilityObserver> &dataObserver)
66 {
67 int error;
68 MessageParcel data;
69 MessageParcel reply;
70 MessageOption option;
71
72 if (!WriteInterfaceToken(data)) {
73 return DATAOBS_PROXY_INNER_ERR;
74 }
75 if (!data.WriteParcelable(&uri)) {
76 HILOG_ERROR("unregister observer fail, uri error");
77 return ERR_INVALID_VALUE;
78 }
79 if (dataObserver == nullptr) {
80 HILOG_ERROR("unregister observer fail, dataObserver is nullptr");
81 return ERR_INVALID_VALUE;
82 }
83
84 if (!data.WriteRemoteObject(dataObserver->AsObject())) {
85 HILOG_ERROR("unregister observer fail, dataObserver error");
86 return ERR_INVALID_VALUE;
87 }
88
89 error = Remote()->SendRequest(IDataObsMgr::UNREGISTER_OBSERVER, data, reply, option);
90 if (error != NO_ERROR) {
91 HILOG_ERROR("unregister observer fail, error: %d", error);
92 return error;
93 }
94 return reply.ReadInt32();
95 }
96
NotifyChange(const Uri & uri)97 int DataObsManagerProxy::NotifyChange(const Uri &uri)
98 {
99 int error;
100 MessageParcel data;
101 MessageParcel reply;
102 MessageOption option;
103
104 if (!WriteInterfaceToken(data)) {
105 return DATAOBS_PROXY_INNER_ERR;
106 }
107 if (!data.WriteParcelable(&uri)) {
108 HILOG_ERROR("notifyChange fail, uri error");
109 return ERR_INVALID_VALUE;
110 }
111
112 error = Remote()->SendRequest(IDataObsMgr::NOTIFY_CHANGE, data, reply, option);
113 if (error != NO_ERROR) {
114 HILOG_ERROR("notifyChange fail, error: %d", error);
115 return error;
116 }
117 return reply.ReadInt32();
118 }
119 } // namespace AAFwk
120 } // namespace OHOS
121