1 /* 2 * Copyright (c) 2021-2022 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 INPUT_HANDLER_TYPE_H 17 #define INPUT_HANDLER_TYPE_H 18 19 namespace OHOS { 20 namespace MMI { 21 inline constexpr size_t MAX_N_INPUT_HANDLERS { 16 }; 22 inline constexpr size_t MAX_N_INPUT_MONITORS { MAX_N_INPUT_HANDLERS }; 23 inline constexpr size_t MAX_N_INPUT_INTERCEPTORS { MAX_N_INPUT_HANDLERS }; 24 inline constexpr int32_t MIN_HANDLER_ID { 1 }; 25 inline constexpr int32_t INVALID_HANDLER_ID { -1 }; 26 inline constexpr int32_t ERROR_EXCEED_MAX_COUNT { -4100001 }; 27 inline constexpr int32_t DEFUALT_INTERCEPTOR_PRIORITY { 500 }; 28 29 enum InputHandlerType : int32_t { 30 NONE, 31 INTERCEPTOR, 32 MONITOR, 33 }; 34 35 using HandleEventType = uint32_t; 36 inline constexpr HandleEventType HANDLE_EVENT_TYPE_NONE { 0x0 }; 37 inline constexpr HandleEventType HANDLE_EVENT_TYPE_KEY { 0x1 }; 38 inline constexpr HandleEventType HANDLE_EVENT_TYPE_POINTER { 0x2 }; 39 inline constexpr HandleEventType HANDLE_EVENT_TYPE_ALL { HANDLE_EVENT_TYPE_KEY | HANDLE_EVENT_TYPE_POINTER }; 40 IsValidHandlerType(InputHandlerType handlerType)41inline bool IsValidHandlerType(InputHandlerType handlerType) 42 { 43 return ((handlerType == InputHandlerType::INTERCEPTOR) || 44 (handlerType == InputHandlerType::MONITOR)); 45 } 46 IsValidHandlerId(int32_t handlerId)47inline bool IsValidHandlerId(int32_t handlerId) 48 { 49 return ((handlerId >= MIN_HANDLER_ID) && (handlerId < std::numeric_limits<int32_t>::max())); 50 } 51 } // namespace MMI 52 } // namespace OHOS 53 #endif // INPUT_HANDLER_TYPE_H