1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <input/InputDevice.h> 20 #include <input/KeyboardClassifier.h> 21 #include "NotifyArgs.h" 22 23 #include <string> 24 #include <vector> 25 26 namespace android { 27 28 class EventHubInterface; 29 class InputDevice; 30 class InputListenerInterface; 31 class InputMapper; 32 class InputReaderPolicyInterface; 33 struct StylusState; 34 35 /* Internal interface used by individual input devices to access global input device state 36 * and parameters maintained by the input reader. 37 */ 38 class InputReaderContext { 39 public: InputReaderContext()40 InputReaderContext() {} ~InputReaderContext()41 virtual ~InputReaderContext() {} 42 43 virtual std::string dump() = 0; 44 45 virtual void updateGlobalMetaState() = 0; 46 virtual int32_t getGlobalMetaState() = 0; 47 48 virtual void disableVirtualKeysUntil(nsecs_t time) = 0; 49 virtual bool shouldDropVirtualKey(nsecs_t now, int32_t keyCode, int32_t scanCode) = 0; 50 51 virtual void requestTimeoutAtTime(nsecs_t when) = 0; 52 virtual int32_t bumpGeneration() = 0; 53 54 virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) = 0; 55 [[nodiscard]] virtual std::list<NotifyArgs> dispatchExternalStylusState( 56 const StylusState& outState) = 0; 57 58 virtual InputReaderPolicyInterface* getPolicy() = 0; 59 virtual EventHubInterface* getEventHub() = 0; 60 61 virtual int32_t getNextId() const = 0; 62 63 virtual void updateLedMetaState(int32_t metaState) = 0; 64 virtual int32_t getLedMetaState() = 0; 65 66 virtual void setPreventingTouchpadTaps(bool prevent) = 0; 67 virtual bool isPreventingTouchpadTaps() = 0; 68 69 virtual void setLastKeyDownTimestamp(nsecs_t when) = 0; 70 virtual nsecs_t getLastKeyDownTimestamp() = 0; 71 72 virtual KeyboardClassifier& getKeyboardClassifier() = 0; 73 }; 74 75 } // namespace android 76