1 /* 2 * Copyright (c) 2024 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 OH_INPUT_INTERCEPTOR_H 17 #define OH_INPUT_INTERCEPTOR_H 18 19 #include <mutex> 20 21 #include "i_input_event_consumer.h" 22 23 namespace OHOS { 24 namespace MMI { 25 typedef enum { 26 INTERCEPTOR_TYPE_KEY, 27 INTERCEPTOR_TYPE_POINTER 28 } OHInterceptorType; 29 30 class OHInputInterceptor final : public IInputEventConsumer, public std::enable_shared_from_this<OHInputInterceptor> { 31 public: 32 OHInputInterceptor() = default; 33 DISALLOW_COPY_AND_MOVE(OHInputInterceptor); 34 ~OHInputInterceptor() override = default; 35 36 int32_t Start(OHInterceptorType type); 37 int32_t Stop(OHInterceptorType type); 38 void SetCallback(std::function<void(std::shared_ptr<PointerEvent>)> callback); 39 void SetCallback(std::function<void(std::shared_ptr<KeyEvent>)> callback); 40 void OnInputEvent(std::shared_ptr<KeyEvent> keyEvent) const override; 41 void OnInputEvent(std::shared_ptr<PointerEvent> pointerEvent) const override; 42 void OnInputEvent(std::shared_ptr<AxisEvent> axisEvent) const override; 43 44 private: 45 std::function<void(std::shared_ptr<KeyEvent>)> keyCallback_; 46 std::function<void(std::shared_ptr<PointerEvent>)> pointerCallback_; 47 int32_t keyInterceptorId_ { -1 }; 48 int32_t pointerInterceptorId_ { -1 }; 49 mutable std::mutex mutex_; 50 }; 51 } 52 } 53 #endif