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 "data_ability_observer_stub.h"
17 #include "hilog_wrapper.h"
18
19 namespace OHOS {
20 namespace AAFwk {
DataAbilityObserverStub()21 DataAbilityObserverStub::DataAbilityObserverStub()
22 {
23 requestFuncMap_[DATA_ABILITY_OBSERVER_CHANGE] = &DataAbilityObserverStub::OnChangeInner;
24 }
25
~DataAbilityObserverStub()26 DataAbilityObserverStub::~DataAbilityObserverStub()
27 {
28 requestFuncMap_.clear();
29 }
30
OnRemoteRequest(uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)31 int DataAbilityObserverStub::OnRemoteRequest(
32 uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
33 {
34 HILOG_DEBUG("%{public}s, cmd = %d, flags= %d", __func__, code, option.GetFlags());
35 std::u16string descriptor = DataAbilityObserverStub::GetDescriptor();
36 std::u16string remoteDescriptor = data.ReadInterfaceToken();
37 if (descriptor != remoteDescriptor) {
38 HILOG_INFO("local descriptor is not equal to remote");
39 return ERR_INVALID_STATE;
40 }
41
42 auto itFunc = requestFuncMap_.find(code);
43 if (itFunc != requestFuncMap_.end()) {
44 auto requestFunc = itFunc->second;
45 if (requestFunc != nullptr) {
46 return (this->*requestFunc)(data, reply);
47 }
48 }
49 HILOG_WARN("%{public}s, default case, need check.", __func__);
50 return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
51 }
52
53 /**
54 * @brief Called back to notify that the data being observed has changed.
55 *
56 * @param uri Indicates the path of the data to operate.
57 *
58 * @return Returns 0 on success, others on failure.
59 */
OnChangeInner(MessageParcel & data,MessageParcel & reply)60 int DataAbilityObserverStub::OnChangeInner(MessageParcel &data, MessageParcel &reply)
61 {
62 OnChange();
63 return ERR_NONE;
64 }
65
OnRemoteDied(const wptr<IRemoteObject> & remote)66 void DataObsCallbackRecipient::OnRemoteDied(const wptr<IRemoteObject> &remote)
67 {
68 HILOG_ERROR("recv DataObsCallbackRecipient death notice");
69
70 if (handler_) {
71 handler_(remote);
72 }
73 }
74
DataObsCallbackRecipient(RemoteDiedHandler handler)75 DataObsCallbackRecipient::DataObsCallbackRecipient(RemoteDiedHandler handler) : handler_(handler)
76 {}
77
~DataObsCallbackRecipient()78 DataObsCallbackRecipient::~DataObsCallbackRecipient()
79 {}
80 } // namespace AAFwk
81 } // namespace OHOS
82