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 <algorithm> 20 #include <atomic> 21 #include <list> 22 #include <map> 23 #include <memory> 24 #include <mutex> 25 #include <set> 26 #include <thread> 27 28 #include "i_input_event_handler.h" 29 #include "key_event.h" 30 #include "switch_event.h" 31 #include "uds_server.h" 32 33 namespace OHOS { 34 namespace MMI { 35 class SwitchSubscriberHandler final : public IInputEventHandler { 36 public: 37 SwitchSubscriberHandler() = default; 38 DISALLOW_COPY_AND_MOVE(SwitchSubscriberHandler); 39 ~SwitchSubscriberHandler() = default; 40 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 41 void HandleKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) override; 42 #endif // OHOS_BUILD_ENABLE_KEYBOARD 43 #ifdef OHOS_BUILD_ENABLE_POINTER 44 void HandlePointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 45 #endif // OHOS_BUILD_ENABLE_POINTER 46 #ifdef OHOS_BUILD_ENABLE_TOUCH 47 void HandleTouchEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 48 #endif // OHOS_BUILD_ENABLE_TOUCH 49 #ifdef OHOS_BUILD_ENABLE_SWITCH 50 void HandleSwitchEvent(const std::shared_ptr<SwitchEvent> switchEvent) override; 51 #endif // OHOS_BUILD_ENABLE_SWITCH 52 int32_t SubscribeSwitchEvent(SessionPtr sess, int32_t subscribeId, int32_t switchType); 53 int32_t UnsubscribeSwitchEvent(SessionPtr sess, int32_t subscribeId); 54 void Dump(int32_t fd, const std::vector<std::string> &args); 55 private: 56 struct Subscriber { SubscriberSubscriber57 Subscriber(int32_t id, SessionPtr sess, int32_t switchType) 58 : id_(id), sess_(sess), switchType_(switchType), timerId_(-1) {} 59 int32_t id_ { -1 }; 60 SessionPtr sess_ { nullptr }; 61 int32_t switchType_ { -1 }; 62 int32_t timerId_ { -1 }; 63 std::shared_ptr<SwitchEvent> switchEvent_ { nullptr }; 64 }; 65 void InsertSubScriber(std::shared_ptr<Subscriber> subs); 66 67 private: 68 bool OnSubscribeSwitchEvent(std::shared_ptr<SwitchEvent> keyEvent); 69 void NotifySubscriber(std::shared_ptr<SwitchEvent> keyEvent, 70 const std::shared_ptr<Subscriber> &subscriber); 71 void OnSessionDelete(SessionPtr sess); 72 bool InitSessionDeleteCallback(); 73 74 private: 75 std::list<std::shared_ptr<Subscriber>> subscribers_ {}; 76 std::atomic_bool callbackInitialized_ { false }; 77 std::shared_ptr<SwitchEvent> switchEvent_ { nullptr }; 78 }; 79 } // namespace MMI 80 } // namespace OHOS 81 #endif // SWITCH_SUBSCRIBER_HANDLER_H 82