1 /*
2  * Copyright (c) 2024 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 #include "conditions/screen_listener.h"
16 
17 #include <string>
18 
19 #include "common_event_manager.h"
20 #include "common_event_support.h"
21 #include "matching_skills.h"
22 #include "want.h"
23 #include "work_sched_hilog.h"
24 #include "work_sched_utils.h"
25 #include "work_status.h"
26 #include "work_event_handler.h"
27 #include "work_scheduler_service.h"
28 
29 namespace OHOS {
30 namespace WorkScheduler {
31 namespace {
32 const int MIN_DEEP_IDLE_SCREEN_OFF_TIME_MIN = 31 * 60 * 1000;
33 }
34 
ScreenEventSubscriber(const EventFwk::CommonEventSubscribeInfo & subscribeInfo,ScreenListener & listener)35 ScreenEventSubscriber::ScreenEventSubscriber(const EventFwk::CommonEventSubscribeInfo &subscribeInfo,
36     ScreenListener &listener) : EventFwk::CommonEventSubscriber(subscribeInfo), listener_(listener) {}
37 
OnReceiveEvent(const EventFwk::CommonEventData & data)38 void ScreenEventSubscriber::OnReceiveEvent(const EventFwk::CommonEventData &data)
39 {
40     const std::string action = data.GetWant().GetAction();
41     WS_HILOGI("OnReceiveEvent get action: %{public}s", action.c_str());
42     if (action == EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_UNLOCKED) {
43         listener_.service_->GetHandler()->RemoveEvent(WorkEventHandler::CHECK_DEEPIDLE_MSG);
44         listener_.OnConditionChanged(WorkCondition::Type::DEEP_IDLE,
45             std::make_shared<DetectorValue>(0, 0, false, std::string()));
46         auto task = [weak = weak_from_this()]() {
47             auto strong = weak.lock();
48             if (!strong) {
49                 WS_HILOGE("ScreenEventSubscriber::OnReceiveEvent strong is null");
50                 return;
51             }
52             int32_t ret = strong->listener_.service_->StopDeepIdleWorks();
53             if (ret != ERR_OK) {
54                 WS_HILOGE("stop work after unlocking failed, error code:%{public}d.", ret);
55             } else {
56                 WS_HILOGI("stop work after unlocking successed.");
57             }
58         };
59         auto handler = DelayedSingleton<WorkSchedulerService>::GetInstance()->GetHandler();
60         if (handler) {
61             handler->PostTask(task);
62         }
63     } else if (action == EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_OFF) {
64         listener_.service_->GetHandler()->RemoveEvent(WorkEventHandler::CHECK_DEEPIDLE_MSG);
65         listener_.service_->GetHandler()->SendEvent(
66             AppExecFwk::InnerEvent::Get(WorkEventHandler::CHECK_DEEPIDLE_MSG, 0), MIN_DEEP_IDLE_SCREEN_OFF_TIME_MIN);
67     }
68 }
69 
ScreenListener(std::shared_ptr<WorkQueueManager> workQueueManager,std::shared_ptr<WorkSchedulerService> service)70 ScreenListener::ScreenListener(std::shared_ptr<WorkQueueManager> workQueueManager,
71     std::shared_ptr<WorkSchedulerService> service)
72 {
73     workQueueManager_ = workQueueManager;
74     service_ = service;
75 }
76 
~ScreenListener()77 ScreenListener::~ScreenListener()
78 {
79     this->Stop();
80 }
81 
CreateScreenEventSubscriber(ScreenListener & listener)82 std::shared_ptr<EventFwk::CommonEventSubscriber> CreateScreenEventSubscriber(ScreenListener &listener)
83 {
84     EventFwk::MatchingSkills skill = EventFwk::MatchingSkills();
85     skill.AddEvent(EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_UNLOCKED);
86     skill.AddEvent(EventFwk::CommonEventSupport::COMMON_EVENT_SCREEN_OFF);
87     EventFwk::CommonEventSubscribeInfo info(skill);
88     return std::make_shared<ScreenEventSubscriber>(info, listener);
89 }
90 
Start()91 bool ScreenListener::Start()
92 {
93     WS_HILOGD("screen listener start.");
94     this->commonEventSubscriber = CreateScreenEventSubscriber(*this);
95     return EventFwk::CommonEventManager::SubscribeCommonEvent(this->commonEventSubscriber);
96 }
97 
Stop()98 bool ScreenListener::Stop()
99 {
100     WS_HILOGD("screen listener stop.");
101     if (this->commonEventSubscriber != nullptr) {
102         bool result = EventFwk::CommonEventManager::UnSubscribeCommonEvent(this->commonEventSubscriber);
103         if (result) {
104             this->commonEventSubscriber = nullptr;
105         }
106         return result;
107     }
108     return true;
109 }
110 
OnConditionChanged(WorkCondition::Type conditionType,std::shared_ptr<DetectorValue> conditionVal)111 void ScreenListener::OnConditionChanged(WorkCondition::Type conditionType,
112     std::shared_ptr<DetectorValue> conditionVal)
113 {
114     if (workQueueManager_ != nullptr) {
115         workQueueManager_->OnConditionChanged(conditionType, conditionVal);
116     } else {
117         WS_HILOGE("workQueueManager_ is nullptr.");
118     }
119 }
120 } // namespace WorkScheduler
121 } // namespace OHOS