1 /*
2  * Copyright (c) 2023-2023 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 "battery_level_strategy.h"
17 
18 #ifdef CAMERA_USE_BATTERY
19 #include "battery_info.h"
20 #endif
21 #include "events_monitor.h"
22 
23 namespace OHOS {
24 namespace CameraStandard {
25 namespace DeferredProcessing {
26 namespace {
27     constexpr int32_t DEFAULT_CAPACITY = -1;
28     constexpr int32_t BATTERY_THRESHOLD = 50;
29     const std::string KEY_CAPACITY = "soc";
30 }
31 
BatteryLevelStrategy()32 BatteryLevelStrategy::BatteryLevelStrategy() : preLevel_(BATTERY_LEVEL_LOW)
33 {
34     DP_DEBUG_LOG("entered.");
35 }
36 
~BatteryLevelStrategy()37 BatteryLevelStrategy::~BatteryLevelStrategy()
38 {
39     DP_DEBUG_LOG("entered.");
40 }
41 
handleEvent(const EventFwk::CommonEventData & data)42 void BatteryLevelStrategy::handleEvent(const EventFwk::CommonEventData& data)
43 {
44     int32_t capacity = data.GetWant().GetIntParam(KEY_CAPACITY, DEFAULT_CAPACITY);
45     DP_CHECK_RETURN(capacity == DEFAULT_CAPACITY);
46     int32_t batteryLevel = BatteryLevel::BATTERY_LEVEL_LOW;
47     if (capacity >= BATTERY_THRESHOLD) {
48         batteryLevel = BatteryLevel::BATTERY_LEVEL_OKAY;
49     }
50     DP_CHECK_RETURN(batteryLevel == preLevel_);
51 
52     preLevel_ = batteryLevel;
53     DP_INFO_LOG("OnBatteryLevelChanged level:%{public}d", preLevel_);
54     EventsMonitor::GetInstance().NotifyBatteryLevel(preLevel_);
55 }
56 } // namespace DeferredProcessing
57 } // namespace CameraStandard
58 } // namespace OHOS