1 /* 2 * Copyright (c) 2023 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 SWITCH_SUBSCRIBER_HANDLER_H 17 #define SWITCH_SUBSCRIBER_HANDLER_H 18 19 #include "i_input_event_handler.h" 20 #include "uds_server.h" 21 22 namespace OHOS { 23 namespace MMI { 24 class SwitchSubscriberHandler final : public IInputEventHandler { 25 public: 26 SwitchSubscriberHandler() = default; 27 DISALLOW_COPY_AND_MOVE(SwitchSubscriberHandler); 28 ~SwitchSubscriberHandler() = default; 29 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 30 void HandleKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) override; 31 #endif // OHOS_BUILD_ENABLE_KEYBOARD 32 #ifdef OHOS_BUILD_ENABLE_POINTER 33 void HandlePointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 34 #endif // OHOS_BUILD_ENABLE_POINTER 35 #ifdef OHOS_BUILD_ENABLE_TOUCH 36 void HandleTouchEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 37 #endif // OHOS_BUILD_ENABLE_TOUCH 38 #ifdef OHOS_BUILD_ENABLE_SWITCH 39 void HandleSwitchEvent(const std::shared_ptr<SwitchEvent> switchEvent) override; 40 #endif // OHOS_BUILD_ENABLE_SWITCH 41 int32_t SubscribeSwitchEvent(SessionPtr sess, int32_t subscribeId, int32_t switchType); 42 int32_t UnsubscribeSwitchEvent(SessionPtr sess, int32_t subscribeId); 43 void Dump(int32_t fd, const std::vector<std::string> &args); 44 private: 45 struct Subscriber { SubscriberSubscriber46 Subscriber(int32_t id, SessionPtr sess, int32_t switchType) 47 : id_(id), sess_(sess), switchType_(switchType), timerId_(-1) {} 48 int32_t id_ { -1 }; 49 SessionPtr sess_ { nullptr }; 50 int32_t switchType_ { -1 }; 51 int32_t timerId_ { -1 }; 52 std::shared_ptr<SwitchEvent> switchEvent_ { nullptr }; 53 }; 54 void InsertSubScriber(std::shared_ptr<Subscriber> subs); 55 56 private: 57 bool OnSubscribeSwitchEvent(std::shared_ptr<SwitchEvent> keyEvent); 58 void NotifySubscriber(std::shared_ptr<SwitchEvent> keyEvent, 59 const std::shared_ptr<Subscriber> &subscriber); 60 void OnSessionDelete(SessionPtr sess); 61 bool InitSessionDeleteCallback(); 62 63 private: 64 std::list<std::shared_ptr<Subscriber>> subscribers_ {}; 65 std::atomic_bool callbackInitialized_ { false }; 66 std::shared_ptr<SwitchEvent> switchEvent_ { nullptr }; 67 }; 68 } // namespace MMI 69 } // namespace OHOS 70 #endif // SWITCH_SUBSCRIBER_HANDLER_H 71