1 /* 2 * Copyright (c) 2025-2025 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_FORM_FWK_PARAM_COMMON_EVENT_H 17 #define OHOS_FORM_FWK_PARAM_COMMON_EVENT_H 18 19 #include <functional> 20 #include <map> 21 #include <memory> 22 #include <singleton.h> 23 #include <string> 24 25 #include "common_event_subscriber.h" 26 #include "want.h" 27 28 namespace OHOS { 29 namespace AppExecFwk { 30 class ParamCommonEvent final : public DelayedRefSingleton<ParamCommonEvent> { 31 DECLARE_DELAYED_REF_SINGLETON(ParamCommonEvent) 32 public: 33 DISALLOW_COPY_AND_MOVE(ParamCommonEvent); 34 void SubscriberEvent(); 35 void UnSubscriberEvent(); 36 void OnReceiveEvent(const AAFwk::Want &want); 37 38 private: 39 class ParamCommonEventSubscriber : public EventFwk::CommonEventSubscriber { 40 public: ParamCommonEventSubscriber(const EventFwk::CommonEventSubscribeInfo & subscriberInfo,ParamCommonEvent & registry)41 explicit ParamCommonEventSubscriber(const EventFwk::CommonEventSubscribeInfo &subscriberInfo, 42 ParamCommonEvent ®istry) 43 : CommonEventSubscriber(subscriberInfo), registry_(registry) 44 {} 45 ~ParamCommonEventSubscriber() = default; 46 OnReceiveEvent(const EventFwk::CommonEventData & data)47 void OnReceiveEvent(const EventFwk::CommonEventData &data) override 48 { 49 registry_.OnReceiveEvent(data.GetWant()); 50 } 51 52 private: 53 ParamCommonEvent ®istry_; 54 }; 55 using EventHandle = std::function<void(const OHOS::AAFwk::Want &)>; 56 void HandleParamUpdate(const AAFwk::Want &want) const; 57 typedef void (ParamCommonEvent::*HandleEventFunc)(const AAFwk::Want &) const; 58 std::map<std::string, EventHandle> eventHandles_; 59 std::map<std::string, HandleEventFunc> handleEventFunc_; 60 std::shared_ptr<ParamCommonEventSubscriber> subscriber_ = nullptr; 61 }; 62 } // namespace AppExecFwk 63 } // namespace OHOS 64 #endif // OHOS_FORM_FWK_PARAM_COMMON_EVENT_H