1 /** 2 * Copyright (c) 2020, 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 package android.os; 18 19 20 /** @hide */ 21 interface IInputConstants 22 { 23 // This should be multiplied by the value of the system property ro.hw_timeout_multiplier before 24 // use. A pre-multiplied constant is available in Java in 25 // android.os.InputConstants.DEFAULT_DISPATCHING_TIMEOUT_MILLIS. 26 const int UNMULTIPLIED_DEFAULT_DISPATCHING_TIMEOUT_MILLIS = 5000; // 5 seconds 27 28 // Indicate invalid battery capacity 29 const int INVALID_BATTERY_CAPACITY = -1; 30 31 /** 32 * Every input event has an id. This constant value is used when a valid input event id is not 33 * available. 34 */ 35 const int INVALID_INPUT_EVENT_ID = 0; 36 37 /** 38 * Every input device has an id. This constant value is used when a valid input device id is not 39 * available. 40 * The virtual keyboard uses -1 as the input device id. Therefore, we use -2 as the value for 41 * an invalid input device. 42 */ 43 const int INVALID_INPUT_DEVICE_ID = -2; 44 45 /** 46 * The input event was injected from accessibility. Used in policyFlags for input event 47 * injection. 48 */ 49 const int POLICY_FLAG_INJECTED_FROM_ACCESSIBILITY = 0x20000; 50 51 /** 52 * The input event was generated or modified by accessibility service. 53 * Shared by both KeyEvent and MotionEvent flags, so this value should not overlap with either 54 * set of flags, including in input/Input.h and in android/input.h. 55 */ 56 const int INPUT_EVENT_FLAG_IS_ACCESSIBILITY_EVENT = 0x800; 57 58 /* The default pointer acceleration value. */ 59 const int DEFAULT_POINTER_ACCELERATION = 3; 60 } 61