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HapticFeedback: fix recovery from the long sleep (#192)

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HapticFeedback: fix recovery from the long sleep
This commit is contained in:
Anton Palgunov 2019-07-17 09:27:26 +01:00 committed by GitHub
commit 9f0944b06b
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1 changed files with 16 additions and 6 deletions
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22
MTMR/HapticFeedback.swift
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@ -9,23 +9,26 @@
import IOKit
class HapticFeedback {
private var actuatorRef: CFTypeRef?
private var correctDeviceId: UInt64?
// Here we have list of possible IDs for Haptic Generator Device. They are not constant
// To find deviceID, you will need IORegistryExplorer app from Additional Tools for Xcode dmg
// which you can download from https://developer.apple.com/download/more/?=Additional%20Tools
// Open IORegistryExplorer app, search for AppleMultitouchDevice and get "Multitouch ID"
// There should be programmatic way to get it but I can't find, no docs for macOS :(
private var possibleDeviceIDs: [UInt64] = [
private let possibleDeviceIDs: [UInt64] = [
0x200_0000_0100_0000, // MacBook Pro 2016/2017
0x300000080500000 // MacBook Pro 2019 (possibly 2018 as well)
]
init() {
// Let's find and init Haptic device
// Let's find our Haptic device
possibleDeviceIDs.forEach {(deviceID) in
guard actuatorRef == nil else {return}
actuatorRef = MTActuatorCreateFromDeviceID(deviceID).takeRetainedValue()
guard correctDeviceId == nil else {return}
let actuatorRef: CFTypeRef? = MTActuatorCreateFromDeviceID(deviceID).takeRetainedValue()
if actuatorRef != nil {
correctDeviceId = deviceID
}
}
}
@ -41,8 +44,15 @@ class HapticFeedback {
// you can get a plist `otool -s __TEXT __tpad_act_plist /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/Current/MultitouchSupport|tail -n +3|awk -F'\t' '{print $2}'|xxd -r -p`
func tap(strong: Int32) {
guard correctDeviceId != nil else {
print("guard correctDeviceId == nil (no haptic device found?)")
return
}
let actuatorRef: CFTypeRef? = MTActuatorCreateFromDeviceID(correctDeviceId!).takeRetainedValue()
guard actuatorRef != nil else {
print("guard actuatorRef == nil (can't find proper haptic device?)")
print("guard actuatorRef == nil")
return
}