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 <vector> 24 25 namespace android { 26 27 class EventHubInterface; 28 class InputDevice; 29 class InputListenerInterface; 30 class InputMapper; 31 class InputReaderPolicyInterface; 32 struct StylusState; 33 34 /* Internal interface used by individual input devices to access global input device state 35 * and parameters maintained by the input reader. 36 */ 37 class InputReaderContext { 38 public: InputReaderContext()39 InputReaderContext() {} ~InputReaderContext()40 virtual ~InputReaderContext() {} 41 42 virtual void updateGlobalMetaState() = 0; 43 virtual int32_t getGlobalMetaState() = 0; 44 45 virtual void disableVirtualKeysUntil(nsecs_t time) = 0; 46 virtual bool shouldDropVirtualKey(nsecs_t now, int32_t keyCode, int32_t scanCode) = 0; 47 48 virtual void requestTimeoutAtTime(nsecs_t when) = 0; 49 virtual int32_t bumpGeneration() = 0; 50 51 virtual void getExternalStylusDevices(std::vector<InputDeviceInfo>& outDevices) = 0; 52 [[nodiscard]] virtual std::list<NotifyArgs> dispatchExternalStylusState( 53 const StylusState& outState) = 0; 54 55 virtual InputReaderPolicyInterface* getPolicy() = 0; 56 virtual EventHubInterface* getEventHub() = 0; 57 58 virtual int32_t getNextId() = 0; 59 60 virtual void updateLedMetaState(int32_t metaState) = 0; 61 virtual int32_t getLedMetaState() = 0; 62 63 virtual void setPreventingTouchpadTaps(bool prevent) = 0; 64 virtual bool isPreventingTouchpadTaps() = 0; 65 66 virtual void setLastKeyDownTimestamp(nsecs_t when) = 0; 67 virtual nsecs_t getLastKeyDownTimestamp() = 0; 68 69 virtual KeyboardClassifier& getKeyboardClassifier() = 0; 70 }; 71 72 } // namespace android 73