1 /* 2 * Copyright (c) 2021-2023 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 KEY_SUBSCRIBER_HANDLER_H 17 #define KEY_SUBSCRIBER_HANDLER_H 18 19 #include <algorithm> 20 #include <list> 21 #include <map> 22 #include <memory> 23 #include <mutex> 24 #include <set> 25 #include <thread> 26 27 #include "i_input_event_handler.h" 28 #include "key_event.h" 29 #include "key_option.h" 30 #include "uds_server.h" 31 #include "nap_process.h" 32 33 namespace OHOS { 34 namespace MMI { 35 class KeySubscriberHandler final : public IInputEventHandler { 36 public: 37 KeySubscriberHandler() = default; 38 DISALLOW_COPY_AND_MOVE(KeySubscriberHandler); 39 ~KeySubscriberHandler() = default; 40 #ifdef OHOS_BUILD_ENABLE_KEYBOARD 41 void HandleKeyEvent(const std::shared_ptr<KeyEvent> keyEvent) override; 42 bool IsKeyEventSubscribed(int32_t keyCode, int32_t trrigerType); 43 #endif // OHOS_BUILD_ENABLE_KEYBOARD 44 #ifdef OHOS_BUILD_ENABLE_POINTER 45 void HandlePointerEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 46 #endif // OHOS_BUILD_ENABLE_POINTER 47 #ifdef OHOS_BUILD_ENABLE_TOUCH 48 void HandleTouchEvent(const std::shared_ptr<PointerEvent> pointerEvent) override; 49 #endif // OHOS_BUILD_ENABLE_TOUCH 50 int32_t SubscribeKeyEvent(SessionPtr sess, int32_t subscribeId, 51 const std::shared_ptr<KeyOption> keyOption); 52 int32_t UnsubscribeKeyEvent(SessionPtr sess, int32_t subscribeId); 53 void RemoveSubscriberKeyUpTimer(int32_t keyCode); 54 int32_t EnableCombineKey(bool enable); 55 void Dump(int32_t fd, const std::vector<std::string> &args); 56 private: 57 struct Subscriber { SubscriberSubscriber58 Subscriber(int32_t id, SessionPtr sess, std::shared_ptr<KeyOption> keyOption) 59 : id_(id), sess_(sess), keyOption_(keyOption), timerId_(-1) {} 60 int32_t id_ { -1 }; 61 SessionPtr sess_ { nullptr }; 62 std::shared_ptr<KeyOption> keyOption_ { nullptr }; 63 int32_t timerId_ { -1 }; 64 std::shared_ptr<KeyEvent> keyEvent_ { nullptr }; 65 }; 66 void InsertSubScriber(std::shared_ptr<Subscriber> subs); 67 68 private: 69 bool OnSubscribeKeyEvent(std::shared_ptr<KeyEvent> keyEvent); 70 bool HandleKeyDown(const std::shared_ptr<KeyEvent> &keyEvent); 71 bool HandleKeyUp(const std::shared_ptr<KeyEvent> &keyEvent); 72 bool HandleKeyCancel(const std::shared_ptr<KeyEvent> &keyEvent); 73 bool IsPreKeysMatch(const std::set<int32_t> &preKeys, const std::vector<int32_t> &pressedKeys) const; 74 void NotifySubscriber(std::shared_ptr<KeyEvent> keyEvent, 75 const std::shared_ptr<Subscriber> &subscriber); 76 bool AddTimer(const std::shared_ptr<Subscriber> &subscriber, const std::shared_ptr<KeyEvent> &keyEvent); 77 void ClearTimer(const std::shared_ptr<Subscriber> &subscriber); 78 void OnTimer(const std::shared_ptr<Subscriber> subscriber); 79 void OnSessionDelete(SessionPtr sess); 80 bool InitSessionDeleteCallback(); 81 bool CloneKeyEvent(std::shared_ptr<KeyEvent> keyEvent); 82 void RemoveKeyCode(int32_t keyCode, std::vector<int32_t> &keyCodes); 83 bool IsRepeatedKeyEvent(std::shared_ptr<KeyEvent> keyEvent); 84 bool IsEnableCombineKey(const std::shared_ptr<KeyEvent> key); 85 bool IsNotifyPowerKeySubsciber(int32_t keyCode, const std::vector<int32_t> &keyCodes); 86 void HandleKeyUpWithDelay(std::shared_ptr<KeyEvent> keyEvent, const std::shared_ptr<Subscriber> &subscriber); 87 void PrintKeyUpLog(const std::shared_ptr<Subscriber> &subscriber); 88 void SubscriberNotifyNap(const std::shared_ptr<Subscriber> subscriber); 89 bool IsEqualKeyOption(std::shared_ptr<KeyOption> newOption, std::shared_ptr<KeyOption> oldOption); 90 bool IsEqualPreKeys(const std::set<int32_t> &preKeys, const std::set<int32_t> &pressedKeys); 91 void AddSubscriber(std::shared_ptr<Subscriber> subscriber, std::shared_ptr<KeyOption> option); 92 int32_t RemoveSubscriber(SessionPtr sess, int32_t subscribeId); 93 bool IsMatchForegroundPid(std::list<std::shared_ptr<Subscriber>> subs, std::set<int32_t> foregroundPids); 94 void NotifyKeyDownSubscriber(const std::shared_ptr<KeyEvent> &keyEvent, std::shared_ptr<KeyOption> keyOption, 95 std::list<std::shared_ptr<Subscriber>> &subscribers, bool &handled); 96 void NotifyKeyDownRightNow(const std::shared_ptr<KeyEvent> &keyEvent, 97 std::list<std::shared_ptr<Subscriber>> &subscribers, bool &handled); 98 void NotifyKeyDownDelay(const std::shared_ptr<KeyEvent> &keyEvent, 99 std::list<std::shared_ptr<Subscriber>> &subscribers, bool &handled); 100 void NotifyKeyUpSubscriber(const std::shared_ptr<KeyEvent> &keyEvent, 101 std::list<std::shared_ptr<Subscriber>> subscribers, bool &handled); 102 void PrintKeyOption(const std::shared_ptr<KeyOption> keyOption); 103 void ClearSubscriberTimer(std::list<std::shared_ptr<Subscriber>> subscribers); 104 void GetForegroundPids(std::set<int32_t> &pidList); 105 106 private: 107 std::map<std::shared_ptr<KeyOption>, std::list<std::shared_ptr<Subscriber>>> subscriberMap_; 108 bool callbackInitialized_ { false }; 109 bool hasEventExecuting_ { false }; 110 std::shared_ptr<KeyEvent> keyEvent_ { nullptr }; 111 int32_t subscribePowerKeyId_ { -1 }; 112 bool subscribePowerKeyState_ { false }; 113 bool enableCombineKey_ { true }; 114 std::set<int32_t> foregroundPids_ {}; 115 bool isForegroundExits_ { false }; 116 }; 117 } // namespace MMI 118 } // namespace OHOS 119 #endif // KEY_SUBSCRIBER_HANDLER_H 120