1 /*
2 * Copyright (c) 2023 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 "callback_manager.h"
17
18 #include <map>
19 #include <mutex>
20
21 #include "iam_logger.h"
22 #include "nocopyable.h"
23
24 #define LOG_TAG "USER_AUTH_SDK"
25
26 namespace OHOS {
27 namespace UserIam {
28 namespace UserAuth {
29 class CallbackManagerImpl final : public CallbackManager, public NoCopyable {
30 public:
31 void AddCallback(uintptr_t key, CallbackAction &action) override;
32 void RemoveCallback(uintptr_t key) override;
33 void OnServiceDeath() override;
34
35 private:
36 friend class CallbackManager;
37 CallbackManagerImpl() = default;
38 ~CallbackManagerImpl() override = default;
39 std::mutex mutex_;
40 std::map<uintptr_t, CallbackAction> callbackActionMap_;
41 };
42
AddCallback(uintptr_t key,CallbackAction & action)43 void CallbackManagerImpl::AddCallback(uintptr_t key, CallbackAction &action)
44 {
45 IAM_LOGI("start");
46 std::lock_guard<std::mutex> lock(mutex_);
47 callbackActionMap_.emplace(key, action);
48 }
49
RemoveCallback(uintptr_t key)50 void CallbackManagerImpl::RemoveCallback(uintptr_t key)
51 {
52 IAM_LOGI("start");
53 std::lock_guard<std::mutex> lock(mutex_);
54 callbackActionMap_.erase(key);
55 }
56
OnServiceDeath()57 void CallbackManagerImpl::OnServiceDeath()
58 {
59 IAM_LOGI("start");
60 std::lock_guard<std::mutex> lock(mutex_);
61 for (const auto &item : callbackActionMap_) {
62 if (item.second) {
63 item.second();
64 }
65 }
66 callbackActionMap_.clear();
67 }
68
GetInstance()69 CallbackManager &CallbackManager::GetInstance()
70 {
71 static CallbackManagerImpl impl;
72 return impl;
73 }
74 } // namespace UserAuth
75 } // namespace UserIam
76 } // namespace OHOS