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 "adapter/ohos/capability/package/package_event_proxy_ohos.h" 16 17 #include "common_event_manager.h" 18 #include "common_event_support.h" 19 20 #include "frameworks/core/common/container.h" 21 22 namespace OHOS::Ace { 23 std::unique_ptr<PackageEventProxy> PackageEventProxy::instance_; 24 std::mutex PackageEventProxy::mutex_; 25 GetInstance()26PackageEventProxy* PackageEventProxy::GetInstance() 27 { 28 if (!instance_) { 29 std::scoped_lock lock(mutex_); 30 if (!instance_) { 31 instance_ = std::make_unique<PackageEventProxyOhos>(); 32 } 33 } 34 return instance_.get(); 35 } 36 37 using OHOS::EventFwk::CommonEventManager; 38 using OHOS::EventFwk::CommonEventSubscribeInfo; 39 using OHOS::EventFwk::CommonEventSupport; 40 using OHOS::EventFwk::MatchingSkills; 41 OnReceiveEvent(const CommonEventData &)42void PackageEventSubscriber::OnReceiveEvent(const CommonEventData& /* data */) 43 { 44 LOGI("Package Change Common Event Received"); 45 PackageEventProxy::GetInstance()->OnPackageChange(); 46 } 47 PackageEventProxyOhos()48PackageEventProxyOhos::PackageEventProxyOhos() 49 { 50 MatchingSkills matchingSkills; 51 matchingSkills.AddEvent(CommonEventSupport::COMMON_EVENT_PACKAGE_CHANGED); 52 matchingSkills.AddEvent(CommonEventSupport::COMMON_EVENT_PACKAGE_REMOVED); 53 54 CommonEventSubscribeInfo subscribeInfo(matchingSkills); 55 subscribeInfo.SetThreadMode(CommonEventSubscribeInfo::ThreadMode::HANDLER); 56 57 packageEventSubscriber_ = std::make_shared<PackageEventSubscriber>(subscribeInfo); 58 } 59 ~PackageEventProxyOhos()60PackageEventProxyOhos::~PackageEventProxyOhos() 61 { 62 CommonEventManager::UnSubscribeCommonEvent(packageEventSubscriber_); 63 } 64 OnPackageChange()65void PackageEventProxyOhos::OnPackageChange() 66 { 67 auto it = listeners_.begin(); 68 while (it != listeners_.end()) { 69 auto listener = it->first.Upgrade(); 70 if (listener) { 71 ContainerScope scope(it->second); 72 listener->OnPackageChange(); 73 ++it; 74 } else { 75 it = listeners_.erase(it); 76 if (listeners_.empty()) { 77 CommonEventManager::UnSubscribeCommonEvent(packageEventSubscriber_); 78 } 79 } 80 } 81 } 82 Register(const WeakPtr<PackageChangeListener> & listener)83void PackageEventProxyOhos::Register(const WeakPtr<PackageChangeListener>& listener) 84 { 85 if (listeners_.empty()) { 86 CommonEventManager::SubscribeCommonEvent(packageEventSubscriber_); 87 } 88 listeners_.insert({ listener, Container::CurrentId() }); 89 } 90 } // namespace OHOS::Ace