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 "dp_power_manager.h"
17
18 #include "dp_log.h"
19
20 namespace OHOS {
21 namespace CameraStandard {
22 namespace DeferredProcessing {
23 namespace {
24 const std::string DEFERRED_LOCK_NAME = "DeferredProcessingWakeLock";
25 }
26
DPSProwerManager()27 DPSProwerManager::DPSProwerManager()
28 {
29 DP_DEBUG_LOG("entered.");
30 Initialize();
31 }
32
~DPSProwerManager()33 DPSProwerManager::~DPSProwerManager()
34 {
35 DP_DEBUG_LOG("entered.");
36 wakeLock_ = nullptr;
37 }
38
Initialize()39 void DPSProwerManager::Initialize()
40 {
41 std::lock_guard<std::mutex> lock(mutex_);
42 DP_DEBUG_LOG("entered.");
43 if (initialized_.load()) {
44 return;
45 }
46
47 #ifdef CAMERA_USE_POWER
48 auto& power = PowerMgr::PowerMgrClient::GetInstance();
49 wakeLock_ = power.CreateRunningLock(DEFERRED_LOCK_NAME, PowerMgr::RunningLockType::RUNNINGLOCK_BACKGROUND);
50 if (wakeLock_ == nullptr) {
51 DP_ERR_LOG("DPSProwerManager initialize failed.");
52 return;
53 }
54 #endif
55 initialized_.store(true);
56 }
57
SetAutoSuspend(bool isAutoSuspend,uint32_t time)58 void DPSProwerManager::SetAutoSuspend(bool isAutoSuspend, uint32_t time)
59 {
60 std::lock_guard<std::mutex> lock(mutex_);
61 DP_DEBUG_LOG("entered.");
62 if (wakeLock_ == nullptr) {
63 DP_ERR_LOG("WakeLock is null.");
64 return;
65 }
66
67 if (isAutoSuspend) {
68 if (isSuspend_) {
69 EnableAutoSuspend();
70 isSuspend_ = false;
71 } else {
72 DP_DEBUG_LOG("AutoSuspend already turn on.");
73 }
74 } else {
75 if (!isSuspend_) {
76 DisableAutoSuspend(time);
77 isSuspend_ = true;
78 } else {
79 DP_DEBUG_LOG("AutoSuspend already not turn on yet.");
80 }
81 }
82 }
83
EnableAutoSuspend()84 void DPSProwerManager::EnableAutoSuspend()
85 {
86 DP_CHECK_EXECUTE(wakeLock_ != nullptr, wakeLock_->UnLock());
87 }
88
DisableAutoSuspend(uint32_t time)89 void DPSProwerManager::DisableAutoSuspend(uint32_t time)
90 {
91 DP_CHECK_EXECUTE(wakeLock_ != nullptr, wakeLock_->Lock(time));
92 }
93 } // namespace DeferredProcessing
94 } // namespace CameraStandard
95 } // namespace OHOS