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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 "screen_brightness_manager.h"
17 
18 #include "iam_check.h"
19 #include "iam_logger.h"
20 #include "iam_ptr.h"
21 
22 #include "sa_command_manager.h"
23 #include "service_ex_manager.h"
24 
25 #define LOG_LABEL UserIam::Common::LABEL_FACE_AUTH_SA
26 
27 namespace OHOS {
28 namespace UserIam {
29 namespace FaceAuth {
30 namespace {
CreateScreenBrightnessManager()31 std::shared_ptr<ScreenBrightnessManager> CreateScreenBrightnessManager()
32 {
33     auto manager = Common::MakeShared<ScreenBrightnessManager>();
34     IF_FALSE_LOGE_AND_RETURN_VAL(manager != nullptr, nullptr);
35 
36     std::vector<SaCommandId> commandIds = { SaCommandId::BEGIN_SCREEN_BRIGHTNESS_INCREASE,
37         SaCommandId::END_SCREEN_BRIGHTNESS_INCREASE };
38     SaCommandManager::GetInstance().RegisterSaCommandProcessor(commandIds, manager);
39     return manager;
40 }
41 } // namespace
42 
GetInstance()43 std::shared_ptr<ScreenBrightnessManager> ScreenBrightnessManager::GetInstance()
44 {
45     static auto manager = CreateScreenBrightnessManager();
46     if (manager == nullptr) {
47         IAM_LOGE("ScreenBrightnessManager is null");
48     }
49     return manager;
50 }
51 
GetCurrentTask()52 std::shared_ptr<IScreenBrightnessTask> ScreenBrightnessManager::GetCurrentTask()
53 {
54     return taskInProc_;
55 }
56 
ProcessSaCommand(std::shared_ptr<FaceAuthExecutorHdi> executor,const SaCommand & command)57 UserAuth::ResultCode ScreenBrightnessManager::ProcessSaCommand(std::shared_ptr<FaceAuthExecutorHdi> executor,
58     const SaCommand &command)
59 {
60     IF_FALSE_LOGE_AND_RETURN_VAL(executor != nullptr, UserAuth::GENERAL_ERROR);
61 
62     std::lock_guard<std::mutex> lock(mutex_);
63 
64     UserAuth::ResultCode result = UserAuth::GENERAL_ERROR;
65     switch (command.id) {
66         case SaCommandId::BEGIN_SCREEN_BRIGHTNESS_INCREASE:
67             result = ProcessScreenBrightnessIncreaseBegin(executor, command.param);
68             break;
69         case SaCommandId::END_SCREEN_BRIGHTNESS_INCREASE:
70             result = ProcessScreenBrightnessIncreaseEnd(executor, command.param);
71             break;
72         default:
73             IAM_LOGE("command id %{public}d not match", command.id);
74     }
75     return result;
76 }
77 
OnHdiDisconnect(std::shared_ptr<FaceAuthExecutorHdi> executor)78 void ScreenBrightnessManager::OnHdiDisconnect(std::shared_ptr<FaceAuthExecutorHdi> executor)
79 {
80     IF_FALSE_LOGE_AND_RETURN(executor != nullptr);
81 
82     std::lock_guard<std::mutex> lock(mutex_);
83 
84     if (executorInProc_ != executor) {
85         return;
86     }
87 
88     IAM_LOGI("start");
89     executorInProc_ = nullptr;
90 
91     if (taskInProc_ != nullptr) {
92         taskInProc_->Stop();
93         taskInProc_ = nullptr;
94     }
95     IAM_LOGI("success");
96 }
97 
ProcessScreenBrightnessIncreaseBegin(std::shared_ptr<FaceAuthExecutorHdi> executor,const SaCommandParam param)98 UserAuth::ResultCode ScreenBrightnessManager::ProcessScreenBrightnessIncreaseBegin(
99     std::shared_ptr<FaceAuthExecutorHdi> executor, const SaCommandParam param)
100 {
101     if (executorInProc_ != nullptr) {
102         IAM_LOGE("another executor is using this module");
103         return UserAuth::GENERAL_ERROR;
104     }
105 
106     if (taskInProc_ != nullptr) {
107         IAM_LOGE("another task is running");
108         return UserAuth::GENERAL_ERROR;
109     }
110 
111     IAM_LOGI("start");
112     auto acquireRet = ServiceExManager::GetInstance().Acquire();
113     IF_FALSE_LOGE_AND_RETURN_VAL(acquireRet == UserAuth::SUCCESS, UserAuth::GENERAL_ERROR);
114 
115     auto taskInProc = ServiceExManager::GetInstance().GetScreenBrightnessTask();
116     if (taskInProc == nullptr) {
117         ServiceExManager::GetInstance().Release();
118         IAM_LOGE("failed to get task");
119         return UserAuth::GENERAL_ERROR;
120     }
121     taskInProc->RegisterDestructCallback([]() {
122         IAM_LOGI("task destruct");
123         ServiceExManager::GetInstance().Release();
124     });
125     taskInProc->Start();
126 
127     executorInProc_ = executor;
128     taskInProc_ = taskInProc;
129     IAM_LOGI("success");
130     return UserAuth::SUCCESS;
131 }
132 
ProcessScreenBrightnessIncreaseEnd(std::shared_ptr<FaceAuthExecutorHdi> executor,const SaCommandParam param)133 UserAuth::ResultCode ScreenBrightnessManager::ProcessScreenBrightnessIncreaseEnd(
134     std::shared_ptr<FaceAuthExecutorHdi> executor, const SaCommandParam param)
135 {
136     if (executorInProc_ != executor) {
137         IAM_LOGE("another executor is using this module");
138         return UserAuth::GENERAL_ERROR;
139     }
140 
141     IAM_LOGI("start");
142     executorInProc_ = nullptr;
143 
144     if (taskInProc_ != nullptr) {
145         taskInProc_->Stop();
146         taskInProc_ = nullptr;
147     }
148 
149     IAM_LOGI("success");
150     return UserAuth::SUCCESS;
151 }
152 
153 } // namespace FaceAuth
154 } // namespace UserIam
155 } // namespace OHOS