assistkey/app/src/main/java/dev/equwal/assistkey/ui/TimingActivity.kt

app/src/main/java/dev/equwal/assistkey/ui/TimingActivity.kt (2573 bytes)
1 package dev.equwal.assistkey.ui
2 
3 import android.app.Activity
4 import android.widget.LinearLayout
5 import dev.equwal.assistkey.engine.GestureEngine
6 import dev.equwal.assistkey.route.ServiceHolder
7 import dev.equwal.assistkey.store.Store
8 import dev.equwal.assistkey.ui.Ui.header
9 import dev.equwal.assistkey.ui.Ui.row
10 
11 /**
12  * The three windows the gesture engine runs on. Exposed because the right
13  * values are a matter of the user's hands, and because an e-ink device is slow
14  * enough that the defaults can feel wrong either way.
15  */
16 class TimingActivity : Activity() {
17 
18     override fun onResume() {
19         super.onResume()
20         build()
21     }
22 
23     private fun build() {
24         val col = Ui.page(this, "Gesture timing")
25         val cfg = Store.timing(this)
26 
27         section(
28             col,
29             "Multi-tap window",
30             cfg.multiTapMs,
31             listOf(180L, 220L, 280L, 350L, 450L),
32             "Longer is easier, but delays every tap"
33         ) { Store.setTiming(this, cfg.copy(multiTapMs = it)) }
34 
35         section(
36             col,
37             "Hold threshold",
38             cfg.holdMs,
39             listOf(300L, 400L, 450L, 600L, 800L),
40             "How long a press counts as a hold"
41         ) { Store.setTiming(this, cfg.copy(holdMs = it)) }
42 
43         section(
44             col,
45             "Combination window",
46             cfg.chordMs,
47             listOf(80L, 120L, 140L, 200L, 300L),
48             "How close together two presses count"
49         ) { Store.setTiming(this, cfg.copy(chordMs = it)) }
50 
51         col.header("Defaults")
52         val d = GestureEngine.Config()
53         col.row(
54             "Restore " + d.multiTapMs + " / " + d.holdMs + " / " + d.chordMs + " ms",
55             null
56         ) { Store.setTiming(this, d); push(); build() }
57     }
58 
59     private fun section(
60         col: LinearLayout,
61         title: String,
62         current: Long,
63         options: List<Long>,
64         hint: String,
65         onPick: (Long) -> Unit
66     ) {
67         col.row(title, hint, state = current.toString() + " ms") {
68             val labels = options.map { v ->
69                 (if (v == current) "* " else "   ") + v + " ms"
70             }
71             Ui.pick(this, title, labels) { i -> onPick(options[i]); push(); build() }
72         }
73     }
74 
75     /**
76      * The accessibility service and this screen share a process, so the running
77      * engine can simply be handed the new numbers instead of being restarted.
78      */
79     private fun push() {
80         (ServiceHolder.service as? dev.equwal.assistkey.engine.KeyFilterService)
81             ?.reloadTiming()
82     }
83 }