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 #ifndef OHOS_ACCOUNT_COMMON_EVENT_H 17 #define OHOS_ACCOUNT_COMMON_EVENT_H 18 19 #include "common_event_manager.h" 20 #include "system_ability_status_change_stub.h" 21 22 namespace OHOS { 23 namespace DistributedHardware { 24 using OHOS::EventFwk::CommonEventData; 25 using OHOS::EventFwk::CommonEventSubscriber; 26 using OHOS::EventFwk::CommonEventSubscribeInfo; 27 /** 28 * @brief account event callback define, fun(event_type, current userid, before userid) 29 * first param, accont event 30 * second param, the current userid 31 * third param, the userid before. 32 * first param | second param | third param 33 * ------------------------------------------ 34 * COMMON_EVENT_USER_SWITCHED | switch target user id | the user id before switch 35 * COMMON_EVENT_USER_REMOVED | -1 | the user id removed 36 * COMMON_EVENT_HWID_LOGOUT | logout in witch user id | logout in witch user id 37 * COMMON_EVENT_HWID_LOGIN | login in witch user id | login in witch user id 38 */ 39 using AccountEventCallback = std::function<void(std::string, int32_t, int32_t)>; 40 41 class DmAccountEventSubscriber : public CommonEventSubscriber { 42 public: DmAccountEventSubscriber(const CommonEventSubscribeInfo & subscribeInfo,const AccountEventCallback & callback,const std::vector<std::string> & eventNameVec)43 DmAccountEventSubscriber(const CommonEventSubscribeInfo &subscribeInfo, const AccountEventCallback &callback, 44 const std::vector<std::string> &eventNameVec) : CommonEventSubscriber(subscribeInfo), 45 eventNameVec_(eventNameVec), callback_(callback) {} 46 ~DmAccountEventSubscriber() override = default; 47 std::vector<std::string> GetSubscriberEventNameVec() const; 48 void OnReceiveEvent(const CommonEventData &data) override; 49 50 private: 51 std::vector<std::string> eventNameVec_; 52 AccountEventCallback callback_; 53 }; 54 55 class DmAccountCommonEventManager { 56 public: 57 DmAccountCommonEventManager() = default; 58 ~DmAccountCommonEventManager(); 59 bool SubscribeAccountCommonEvent(const std::vector<std::string> &eventNameVec, 60 const AccountEventCallback &callback); 61 bool UnsubscribeAccountCommonEvent(); 62 63 private: 64 std::vector<std::string> eventNameVec_; 65 bool eventValidFlag_ = false; 66 std::mutex evenSubscriberMutex_; 67 std::shared_ptr<DmAccountEventSubscriber> subscriber_ = nullptr; 68 sptr<ISystemAbilityStatusChange> statusChangeListener_ = nullptr; 69 int32_t counter_ = 0; 70 71 private: 72 class SystemAbilityStatusChangeListener : public SystemAbilityStatusChangeStub { 73 public: SystemAbilityStatusChangeListener(std::shared_ptr<DmAccountEventSubscriber> AccountSubscriber)74 explicit SystemAbilityStatusChangeListener(std::shared_ptr<DmAccountEventSubscriber> AccountSubscriber) 75 : changeSubscriber_(AccountSubscriber) {} 76 ~SystemAbilityStatusChangeListener() = default; 77 void OnAddSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override; 78 void OnRemoveSystemAbility(int32_t systemAbilityId, const std::string& deviceId) override; 79 80 private: 81 std::shared_ptr<DmAccountEventSubscriber> changeSubscriber_; 82 }; 83 }; 84 } // namespace DistributedHardware 85 } // namespace OHOS 86 #endif // OHOS_ACCOUNT_COMMON_EVENT_H 87