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 16 #include "hibernate_controller.h" 17 #include "power_log.h" 18 #include "system_suspend_controller.h" 19 20 namespace OHOS { 21 namespace PowerMgr { Hibernate(bool clearMemory)22HibernateStatus HibernateController::Hibernate(bool clearMemory) 23 { 24 if (SystemSuspendController::GetInstance().Hibernate()) { 25 return HibernateStatus::HIBERNATE_SUCCESS; 26 } 27 return HibernateStatus::HIBERNATE_FAILURE; 28 } 29 RegisterSyncHibernateCallback(const sptr<ISyncHibernateCallback> & cb)30void HibernateController::RegisterSyncHibernateCallback(const sptr<ISyncHibernateCallback>& cb) 31 { 32 std::lock_guard<std::mutex> lock(mutex_); 33 callbacks_.insert(cb); 34 } 35 UnregisterSyncHibernateCallback(const sptr<ISyncHibernateCallback> & cb)36void HibernateController::UnregisterSyncHibernateCallback(const sptr<ISyncHibernateCallback>& cb) 37 { 38 std::lock_guard<std::mutex> lock(mutex_); 39 size_t eraseNum = callbacks_.erase(cb); 40 if (eraseNum == 0) { 41 POWER_HILOGE(FEATURE_SUSPEND, "Cannot remove the hibernate callback"); 42 } 43 } 44 PreHibernate()45void HibernateController::PreHibernate() 46 { 47 for (const auto &cb : callbacks_) { 48 if (cb != nullptr) { 49 cb->OnSyncHibernate(); 50 } 51 } 52 prepared_ = true; 53 } 54 PostHibernate(bool hibernateResult)55void HibernateController::PostHibernate(bool hibernateResult) 56 { 57 if (!prepared_) { 58 POWER_HILOGE(FEATURE_SUSPEND, "No need to run OnSyncWakeup"); 59 return; 60 } 61 prepared_ = false; 62 for (const auto &cb : callbacks_) { 63 if (cb != nullptr) { 64 cb->OnSyncWakeup(hibernateResult); 65 } 66 } 67 } 68 } // namespace PowerMgr 69 } // namespace OHOS 70