1 /*
2 * Copyright 2024 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 com.android.cts.input
18
19 import android.app.Instrumentation
20 import android.view.InputDevice.SOURCE_KEYBOARD
21
createKeyboardRegisterCommandnull22 private fun createKeyboardRegisterCommand(
23 keys: List<String>,
24 productId: Int
25 ): UinputRegisterCommand {
26 val configurationItems = listOf(
27 ConfigurationItem("UI_SET_EVBIT", listOf("EV_KEY")),
28 ConfigurationItem("UI_SET_KEYBIT", keys)
29 )
30
31 return UinputRegisterCommand(
32 id = 1,
33 name = "Test Keyboard (USB)",
34 vid = 0x18d1,
35 pid = productId,
36 bus = "usb",
37 port = "usb:1",
38 configuration = configurationItems,
39 absInfo = emptyMap(),
40 )
41 }
42
43 /**
44 * A Keyboard that only has a few common keys (lots of keys are missing, for simplicity).
45 */
46 class UinputKeyboard(
47 instrumentation: Instrumentation,
48 keys: List<String> = listOf(
49 "KEY_Q", "KEY_W", "KEY_E", "KEY_A", "KEY_B", "KEY_C", "KEY_BACKSPACE", "KEY_ESC",
50 "KEY_LEFTALT", "KEY_LEFTMETA", "KEY_LEFT", "KEY_LEFTSHIFT", "KEY_CAPSLOCK",
51 ),
52 productId: Int = 0xabcd,
53 ) : UinputDevice(
54 instrumentation,
55 SOURCE_KEYBOARD,
56 createKeyboardRegisterCommand(keys, productId),
57 null // display
58 ) {
59
60 companion object {
61 const val EV_KEY = 1
62 const val KEY_DOWN = 1
63 const val KEY_UP = 0
64 const val EV_SYN = 0
65 const val SYN_REPORT = 0
66 }
67
68 // store the keys that are currently down
69 private val keysDown = mutableSetOf<Int>()
70
injectEventsnull71 private fun injectEvents(events: IntArray) {
72 injectEvents(events.joinToString(prefix = "[", postfix = "]", separator = ","))
73 }
74
injectKeyDownnull75 fun injectKeyDown(scanCode: Int) {
76 if (!keysDown.add(scanCode)) {
77 throw IllegalArgumentException("Key $scanCode is already down")
78 }
79 injectEvents(intArrayOf(EV_KEY, scanCode, KEY_DOWN, EV_SYN, SYN_REPORT, 0))
80 }
81
injectKeyUpnull82 fun injectKeyUp(scanCode: Int) {
83 if (!keysDown.remove(scanCode)) {
84 throw IllegalArgumentException("Key $scanCode is not down")
85 }
86 injectEvents(intArrayOf(EV_KEY, scanCode, KEY_UP, EV_SYN, SYN_REPORT, 0))
87 }
88 }
89