1 /*
2 * Copyright (c) 2025 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 "progress_notifier_impl.h"
17
18 #include "anonymous.h"
19 #include "logger.h"
20 #include "objectstore_errors.h"
21
22 namespace OHOS::ObjectStore {
23
GetInstance()24 std::shared_ptr<ProgressNotifierImpl> ProgressNotifierImpl::GetInstance()
25 {
26 static std::shared_ptr<ProgressNotifierImpl> instance;
27 static std::mutex instanceLock;
28 std::lock_guard<std::mutex> lockGuard(instanceLock);
29 if (instance == nullptr) {
30 instance = std::make_shared<ProgressNotifierImpl>();
31 DistributedObjectStore *storeInstance = DistributedObjectStore::GetInstance();
32 if (storeInstance == nullptr) {
33 LOG_ERROR("Get store instance nullptr");
34 return instance;
35 }
36 auto ret = storeInstance->SetProgressNotifier(instance);
37 if (ret != SUCCESS) {
38 LOG_ERROR("SetProgressNotifier %{public}d error", ret);
39 } else {
40 LOG_INFO("SetProgressNotifier success");
41 }
42 }
43 return instance;
44 }
45
AddWatcher(const std::string & sessionId,std::weak_ptr<JSWatcher> watcher)46 void ProgressNotifierImpl::AddWatcher(const std::string &sessionId, std::weak_ptr<JSWatcher> watcher)
47 {
48 std::lock_guard<std::mutex> lock(mutex_);
49 watchers_.insert_or_assign(sessionId, watcher);
50 }
51
DelWatcher(const std::string & sessionId)52 void ProgressNotifierImpl::DelWatcher(const std::string &sessionId)
53 {
54 std::lock_guard<std::mutex> lock(mutex_);
55 watchers_.erase(sessionId);
56 }
57
OnChanged(const std::string & sessionId,int32_t progress)58 void ProgressNotifierImpl::OnChanged(const std::string &sessionId, int32_t progress)
59 {
60 std::lock_guard<std::mutex> lock(mutex_);
61 if (watchers_.count(sessionId) != 0) {
62 LOG_INFO("start emit %{public}s %{public}d", Anonymous::Change(sessionId).c_str(), progress);
63 std::shared_ptr<JSWatcher> lockedWatcher = watchers_.at(sessionId).lock();
64 if (lockedWatcher) {
65 lockedWatcher->Emit("progressChanged", sessionId, progress);
66 LOG_INFO("end emit %{public}s %{public}d", Anonymous::Change(sessionId).c_str(), progress);
67 } else {
68 LOG_ERROR("watcher expired");
69 }
70 }
71 }
72
~ProgressNotifierImpl()73 ProgressNotifierImpl::~ProgressNotifierImpl()
74 {
75 }
76
77 } // namespace OHOS::ObjectStore
78