1 /* 2 * Copyright (C) 2022 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 ACCESSIBILITY_COMMON_EVENT_REGISTRY_H 17 #define ACCESSIBILITY_COMMON_EVENT_REGISTRY_H 18 19 #include <map> 20 #include <memory> 21 #include <functional> 22 #include <string> 23 #include "common_event_subscriber.h" 24 #include "event_handler.h" 25 #include "singleton.h" 26 #include "want.h" 27 28 using EventHandle = std::function<void(const OHOS::EventFwk::CommonEventData &)>; 29 30 namespace OHOS { 31 namespace Accessibility { 32 class AccessibilityCommonEvent { 33 DECLARE_SINGLETON(AccessibilityCommonEvent) 34 public: 35 void SubscriberEvent(const std::shared_ptr<AppExecFwk::EventHandler> &handler); 36 void UnSubscriberEvent(); 37 void OnReceiveEvent(const EventFwk::CommonEventData &data); 38 39 private: 40 class AccessibilityCommonEventSubscriber : public EventFwk::CommonEventSubscriber { 41 public: AccessibilityCommonEventSubscriber(const EventFwk::CommonEventSubscribeInfo & subscriberInfo,AccessibilityCommonEvent & registry)42 explicit AccessibilityCommonEventSubscriber(const EventFwk::CommonEventSubscribeInfo &subscriberInfo, 43 AccessibilityCommonEvent ®istry) 44 : CommonEventSubscriber(subscriberInfo), registry_(registry) {} 45 ~AccessibilityCommonEventSubscriber() = default; 46 OnReceiveEvent(const EventFwk::CommonEventData & data)47 void OnReceiveEvent(const EventFwk::CommonEventData &data) override 48 { 49 registry_.OnReceiveEvent(data); 50 } 51 52 private: 53 AccessibilityCommonEvent ®istry_; 54 }; 55 56 void HandleUserAdded(const EventFwk::CommonEventData &data) const; 57 void HandleUserRemoved(const EventFwk::CommonEventData &data) const; 58 void HandleUserSwitched(const EventFwk::CommonEventData &data) const; 59 60 void HandlePackageRemoved(const EventFwk::CommonEventData &data) const; 61 void HandlePackageChanged(const EventFwk::CommonEventData &data) const; 62 void HandlePackageAdd(const EventFwk::CommonEventData &data) const; 63 64 typedef void (AccessibilityCommonEvent::*HandleEventFunc)(const EventFwk::CommonEventData &) const; 65 std::map<std::string, EventHandle> eventHandles_; 66 std::map<std::string, HandleEventFunc> handleEventFunc_; 67 std::shared_ptr<AppExecFwk::EventHandler> eventHandler_ = nullptr; 68 std::shared_ptr<AccessibilityCommonEventSubscriber> subscriber_ = nullptr; 69 }; 70 } // namespace Accessibility 71 } // namespace OHOS 72 #endif // ACCESSIBILITY_COMMON_EVENT_REGISTRY_H