1d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* 2d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Copyright (C) 2005 The Android Open Source Project 3d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 4d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Licensed under the Apache License, Version 2.0 (the "License"); 5d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * you may not use this file except in compliance with the License. 6d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * You may obtain a copy of the License at 7d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 8d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * http://www.apache.org/licenses/LICENSE-2.0 9d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 10d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Unless required by applicable law or agreed to in writing, software 11d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * distributed under the License is distributed on an "AS IS" BASIS, 12d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * See the License for the specific language governing permissions and 14d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * limitations under the License. 15d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 16d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 17d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright// 18d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#ifndef _RUNTIME_EVENT_HUB_H 19d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define _RUNTIME_EVENT_HUB_H 20d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 21d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/Input.h> 22d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/InputDevice.h> 23d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/Keyboard.h> 24d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/KeyLayoutMap.h> 25d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/KeyCharacterMap.h> 26d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <input/VirtualKeyMap.h> 27d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/String8.h> 28d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/threads.h> 29d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/Log.h> 30d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/threads.h> 31d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/List.h> 32d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/Errors.h> 33d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/PropertyMap.h> 34d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/Vector.h> 35d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/KeyedVector.h> 36d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <utils/BitSet.h> 37d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 38d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <linux/input.h> 39d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#include <sys/epoll.h> 40d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 41d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* Convenience constants. */ 42d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 43d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define BTN_FIRST 0x100 // first button code 44d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define BTN_LAST 0x15f // last button code 45d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 46d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* 47d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * These constants are used privately in Android to pass raw timestamps 48d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * through evdev from uinput device drivers because there is currently no 49d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * other way to transfer this information. The evdev driver automatically 50d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * timestamps all input events with the time they were posted and clobbers 51d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * whatever information was passed in. 52d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 53d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * For the purposes of this hack, the timestamp is specified in the 54d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * CLOCK_MONOTONIC timebase and is split into two EV_MSC events specifying 55d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * seconds and microseconds. 56d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 57d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define MSC_ANDROID_TIME_SEC 0x6 58d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#define MSC_ANDROID_TIME_USEC 0x7 59d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 60d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightnamespace android { 61d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 62d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightenum { 63d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Device id of a special "virtual" keyboard that is always present. 64d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright VIRTUAL_KEYBOARD_ID = -1, 65d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Device id of the "built-in" keyboard if there is one. 66d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright BUILT_IN_KEYBOARD_ID = 0, 67d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; 68d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 69d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* 70d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * A raw event as retrieved from the EventHub. 71d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 72d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstruct RawEvent { 73d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright nsecs_t when; 74d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t deviceId; 75d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t type; 76d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t code; 77d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t value; 78d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; 79d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 80d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* Describes an absolute axis. */ 81d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightstruct RawAbsoluteAxisInfo { 82d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool valid; // true if the information is valid, false otherwise 83d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 84d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t minValue; // minimum value 85d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t maxValue; // maximum value 86d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t flat; // center flat position, eg. flat == 8 means center is between -8 and 8 87d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t fuzz; // error tolerance, eg. fuzz == 4 means value is +/- 4 due to noise 88d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t resolution; // resolution in units per mm or radians per mm 89d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 90d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright inline void clear() { 91d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright valid = false; 92d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright minValue = 0; 93d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright maxValue = 0; 94d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright flat = 0; 95d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright fuzz = 0; 96d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright resolution = 0; 97d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 98d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; 99d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 100d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* 101d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Input device classes. 102d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 103d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightenum { 104d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is a keyboard or has buttons. */ 105d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_KEYBOARD = 0x00000001, 106d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 107d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is an alpha-numeric keyboard (not just a dial pad). */ 108d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_ALPHAKEY = 0x00000002, 109d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 110d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is a touchscreen or a touchpad (either single-touch or multi-touch). */ 111d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_TOUCH = 0x00000004, 112d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 113d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is a cursor device such as a trackball or mouse. */ 114d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_CURSOR = 0x00000008, 115d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 116d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is a multi-touch touchscreen. */ 117d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_TOUCH_MT = 0x00000010, 118d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 119d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is a directional pad (implies keyboard, has DPAD keys). */ 120d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_DPAD = 0x00000020, 121d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 122d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is a gamepad (implies keyboard, has BUTTON keys). */ 123d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_GAMEPAD = 0x00000040, 124d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 125d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device has switches. */ 126d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_SWITCH = 0x00000080, 127d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 128d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is a joystick (implies gamepad, has joystick absolute axes). */ 129d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_JOYSTICK = 0x00000100, 130d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 131d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device has a vibrator (supports FF_RUMBLE). */ 132d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_VIBRATOR = 0x00000200, 133d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 134063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn /* The input device has a microphone. */ 135063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn INPUT_DEVICE_CLASS_MIC = 0x00000400, 136063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn 137842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright /* The input device is an external stylus (has data we want to fuse with touch data). */ 138842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright INPUT_DEVICE_CLASS_EXTERNAL_STYLUS = 0x00000800, 139842500e146cdc0036b2a1a3e2acc7626d005128bMichael Wright 1401941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani /* The input device has a rotary encoder */ 1411941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani INPUT_DEVICE_CLASS_ROTARY_ENCODER = 0x00001000, 1421941ff5815e9f8a09f6ae643addbb4119482cf16Prashant Malani 143d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is virtual (not a real device, not part of UI configuration). */ 144d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_VIRTUAL = 0x40000000, 145d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 146d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* The input device is external (not built-in). */ 147d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright INPUT_DEVICE_CLASS_EXTERNAL = 0x80000000, 148d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; 149d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 150d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* 151d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Gets the class that owns an axis, in cases where multiple classes might claim 152d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * the same axis for different purposes. 153d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 154d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightextern uint32_t getAbsAxisUsage(int32_t axis, uint32_t deviceClasses); 155d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 156d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright/* 157d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Grand Central Station for events. 158d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 159d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * The event hub aggregates input events received across all known input 160d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * devices on the system, including devices that may be emulated by the simulator 161d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * environment. In addition, the event hub generates fake input events to indicate 162d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * when devices are added or removed. 163d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 164d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * The event hub provides a stream of input events (via the getEvent function). 165d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * It also supports querying the current actual state of input devices such as identifying 166d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * which keys are currently down. Finally, the event hub keeps track of the capabilities of 167d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * individual input devices, such as their class and the set of key codes that they support. 168d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 169d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightclass EventHubInterface : public virtual RefBase { 170d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightprotected: 171d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright EventHubInterface() { } 172d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual ~EventHubInterface() { } 173d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 174d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightpublic: 175d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Synthetic raw event type codes produced when devices are added or removed. 176d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright enum { 177d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Sent when a device is added. 178d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright DEVICE_ADDED = 0x10000000, 179d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Sent when a device is removed. 180d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright DEVICE_REMOVED = 0x20000000, 181d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Sent when all added/removed devices from the most recent scan have been reported. 182d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // This event is always sent at least once. 183d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright FINISHED_DEVICE_SCAN = 0x30000000, 184d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 185d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright FIRST_SYNTHETIC_EVENT = DEVICE_ADDED, 186d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright }; 187d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 188d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual uint32_t getDeviceClasses(int32_t deviceId) const = 0; 189d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 190d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const = 0; 191d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 192d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getDeviceControllerNumber(int32_t deviceId) const = 0; 193d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 194d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const = 0; 195d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 196d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis, 197d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright RawAbsoluteAxisInfo* outAxisInfo) const = 0; 198d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 199d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasRelativeAxis(int32_t deviceId, int axis) const = 0; 200d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 201d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasInputProperty(int32_t deviceId, int property) const = 0; 202d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 2030faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov virtual status_t mapKey(int32_t deviceId, 2040faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov int32_t scanCode, int32_t usageCode, int32_t metaState, 2050faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov int32_t* outKeycode, int32_t *outMetaState, uint32_t* outFlags) const = 0; 206d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 207d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual status_t mapAxis(int32_t deviceId, int32_t scanCode, 208d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AxisInfo* outAxisInfo) const = 0; 209d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 210d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Sets devices that are excluded from opening. 211d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // This can be used to ignore input devices for sensors. 212d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void setExcludedDevices(const Vector<String8>& devices) = 0; 213d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 214d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* 215d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Wait for events to become available and returns them. 216d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * After returning, the EventHub holds onto a wake lock until the next call to getEvent. 217d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * This ensures that the device will not go to sleep while the event is being processed. 218d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * If the device needs to remain awake longer than that, then the caller is responsible 219d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * for taking care of it (say, by poking the power manager user activity timer). 220d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 221d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * The timeout is advisory only. If the device is asleep, it will not wake just to 222d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * service the timeout. 223d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * 224d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Returns the number of events obtained, or 0 if the timeout expired. 225d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 226d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize) = 0; 227d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 228d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* 229d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Query current input state. 230d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 231d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const = 0; 232d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const = 0; 233d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const = 0; 234d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis, 235d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t* outValue) const = 0; 236d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 237d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* 238d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright * Examine key input devices for specific framework keycode support 239d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright */ 240d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, const int32_t* keyCodes, 241d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t* outFlags) const = 0; 242d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 243d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const = 0; 244d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 245d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* LED related functions expect Android LED constants, not scan codes or HID usages */ 246d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasLed(int32_t deviceId, int32_t led) const = 0; 247d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void setLedState(int32_t deviceId, int32_t led, bool on) = 0; 248d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 249d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void getVirtualKeyDefinitions(int32_t deviceId, 250d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Vector<VirtualKeyDefinition>& outVirtualKeys) const = 0; 251d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 252d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const = 0; 253d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map) = 0; 254d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 255d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* Control the vibrator. */ 256d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void vibrate(int32_t deviceId, nsecs_t duration) = 0; 257d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void cancelVibrate(int32_t deviceId) = 0; 258d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 259d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* Requests the EventHub to reopen all input devices on the next call to getEvents(). */ 260d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void requestReopenDevices() = 0; 261d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 262d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* Wakes up getEvents() if it is blocked on a read. */ 263d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void wake() = 0; 264d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 265d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* Dump EventHub state to a string. */ 266d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void dump(String8& dump) = 0; 267d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 268d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright /* Called by the heatbeat to ensures that the reader has not deadlocked. */ 269d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void monitor() = 0; 270d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; 271d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 272d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightclass EventHub : public EventHubInterface 273d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright{ 274d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightpublic: 275d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright EventHub(); 276d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 277d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual uint32_t getDeviceClasses(int32_t deviceId) const; 278d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 279d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const; 280d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 281d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getDeviceControllerNumber(int32_t deviceId) const; 282d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 283d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const; 284d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 285d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual status_t getAbsoluteAxisInfo(int32_t deviceId, int axis, 286d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright RawAbsoluteAxisInfo* outAxisInfo) const; 287d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 288d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasRelativeAxis(int32_t deviceId, int axis) const; 289d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 290d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasInputProperty(int32_t deviceId, int property) const; 291d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 2920faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov virtual status_t mapKey(int32_t deviceId, 2930faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov int32_t scanCode, int32_t usageCode, int32_t metaState, 2940faaa0bd7aa5dadea7c365fbb1f186da6eb097efDmitry Torokhov int32_t* outKeycode, int32_t *outMetaState, uint32_t* outFlags) const; 295d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 296d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual status_t mapAxis(int32_t deviceId, int32_t scanCode, 297d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright AxisInfo* outAxisInfo) const; 298d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 299d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void setExcludedDevices(const Vector<String8>& devices); 300d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 301d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getScanCodeState(int32_t deviceId, int32_t scanCode) const; 302d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getKeyCodeState(int32_t deviceId, int32_t keyCode) const; 303d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual int32_t getSwitchState(int32_t deviceId, int32_t sw) const; 304d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual status_t getAbsoluteAxisValue(int32_t deviceId, int32_t axis, int32_t* outValue) const; 305d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 306d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool markSupportedKeyCodes(int32_t deviceId, size_t numCodes, 307d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const int32_t* keyCodes, uint8_t* outFlags) const; 308d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 309d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual size_t getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSize); 310d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 311d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasScanCode(int32_t deviceId, int32_t scanCode) const; 312d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool hasLed(int32_t deviceId, int32_t led) const; 313d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void setLedState(int32_t deviceId, int32_t led, bool on); 314d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 315d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void getVirtualKeyDefinitions(int32_t deviceId, 316d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Vector<VirtualKeyDefinition>& outVirtualKeys) const; 317d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 318d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual sp<KeyCharacterMap> getKeyCharacterMap(int32_t deviceId) const; 319d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual bool setKeyboardLayoutOverlay(int32_t deviceId, const sp<KeyCharacterMap>& map); 320d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 321d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void vibrate(int32_t deviceId, nsecs_t duration); 322d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void cancelVibrate(int32_t deviceId); 323d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 324d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void requestReopenDevices(); 325d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 326d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void wake(); 327d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 328d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void dump(String8& dump); 329d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual void monitor(); 330d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 331d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightprotected: 332d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright virtual ~EventHub(); 333d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 334d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wrightprivate: 335d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct Device { 336d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* next; 337d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 338d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int fd; // may be -1 if device is virtual 339d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const int32_t id; 340d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const String8 path; 341d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const InputDeviceIdentifier identifier; 342d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 343d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint32_t classes; 344d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 345d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t keyBitmask[(KEY_MAX + 1) / 8]; 346d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t absBitmask[(ABS_MAX + 1) / 8]; 347d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t relBitmask[(REL_MAX + 1) / 8]; 348d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t swBitmask[(SW_MAX + 1) / 8]; 349d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t ledBitmask[(LED_MAX + 1) / 8]; 350d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t ffBitmask[(FF_MAX + 1) / 8]; 351d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright uint8_t propBitmask[(INPUT_PROP_MAX + 1) / 8]; 352d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 353d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright String8 configurationFile; 354d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright PropertyMap* configuration; 355d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright VirtualKeyMap* virtualKeyMap; 356d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright KeyMap keyMap; 357d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 358d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright sp<KeyCharacterMap> overlayKeyMap; 359d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright sp<KeyCharacterMap> combinedKeyMap; 360d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 361d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool ffEffectPlaying; 362d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int16_t ffEffectId; // initially -1 363d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 364d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t controllerNumber; 365d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 366d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t timestampOverrideSec; 367d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t timestampOverrideUsec; 368d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 369d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device(int fd, int32_t id, const String8& path, const InputDeviceIdentifier& identifier); 370d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright ~Device(); 371d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 372d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void close(); 373d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 374d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright inline bool isVirtual() const { return fd < 0; } 375d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 376d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright const sp<KeyCharacterMap>& getKeyCharacterMap() const { 377d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright if (combinedKeyMap != NULL) { 378d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return combinedKeyMap; 379d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 380d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright return keyMap.keyCharacterMap; 381d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright } 382d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright }; 383d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 384d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t openDeviceLocked(const char *devicePath); 385d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void createVirtualKeyboardLocked(); 386d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void addDeviceLocked(Device* device); 387d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void assignDescriptorLocked(InputDeviceIdentifier& identifier); 388d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 389d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t closeDeviceByPathLocked(const char *devicePath); 390d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void closeDeviceLocked(Device* device); 391d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void closeAllDevicesLocked(); 392d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 393d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t scanDirLocked(const char *dirname); 394d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void scanDevicesLocked(); 395d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t readNotifyLocked(); 396d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 397d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* getDeviceByDescriptorLocked(String8& descriptor) const; 398d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* getDeviceLocked(int32_t deviceId) const; 399d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device* getDeviceByPathLocked(const char* devicePath) const; 400d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 401d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool hasKeycodeLocked(Device* device, int keycode) const; 402d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 403d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void loadConfigurationLocked(Device* device); 404d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t loadVirtualKeyMapLocked(Device* device); 405d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t loadKeyMapLocked(Device* device); 406d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 407d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool isExternalDeviceLocked(Device* device); 408063ff53d0b0a0d670ea0185e687526d8fd302820Tim Kilbourn bool deviceHasMicLocked(Device* device); 409d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 410d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t getNextControllerNumberLocked(Device* device); 411d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void releaseControllerNumberLocked(Device* device); 412d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void setLedForController(Device* device); 413d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 414d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright status_t mapLed(Device* device, int32_t led, int32_t* outScanCode) const; 415d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright void setLedStateLocked(Device* device, int32_t led, bool on); 416d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 417d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Protect all internal state. 418d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright mutable Mutex mLock; 419d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 420d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The actual id of the built-in keyboard, or NO_BUILT_IN_KEYBOARD if none. 421d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // EventHub remaps the built-in keyboard to id 0 externally as required by the API. 422d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright enum { 423d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Must not conflict with any other assigned device ids, including 424d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // the virtual keyboard id (-1). 425d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright NO_BUILT_IN_KEYBOARD = -2, 426d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright }; 427d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t mBuiltInKeyboardId; 428d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 429d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int32_t mNextDeviceId; 430d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 431d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright BitSet32 mControllerNumbers; 432d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 433d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright KeyedVector<int32_t, Device*> mDevices; 434d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 435d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device *mOpeningDevices; 436d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Device *mClosingDevices; 437d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 438d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool mNeedToSendFinishedDeviceScan; 439d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool mNeedToReopenDevices; 440d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool mNeedToScanDevices; 441d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright Vector<String8> mExcludedDevices; 442d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 443d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int mEpollFd; 444d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int mINotifyFd; 445d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int mWakeReadPipeFd; 446d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright int mWakeWritePipeFd; 447d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 448d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Ids used for epoll notifications not associated with devices. 449d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright static const uint32_t EPOLL_ID_INOTIFY = 0x80000001; 450d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright static const uint32_t EPOLL_ID_WAKE = 0x80000002; 451d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 452d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Epoll FD list size hint. 453d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright static const int EPOLL_SIZE_HINT = 8; 454d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 455d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // Maximum number of signalled FDs to handle at a time. 456d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright static const int EPOLL_MAX_EVENTS = 16; 457d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 458d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright // The array of pending epoll events and the index of the next event to be handled. 459d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright struct epoll_event mPendingEventItems[EPOLL_MAX_EVENTS]; 460d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright size_t mPendingEventCount; 461d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright size_t mPendingEventIndex; 462d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool mPendingINotify; 463d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 464d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright bool mUsingEpollWakeup; 465d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; 466d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 467d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright}; // namespace android 468d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright 469d02c5b6aace05d9fd938e2d03705ac4f60f8da19Michael Wright#endif // _RUNTIME_EVENT_HUB_H 470