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Re-introduce long press

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This commit is contained in:
Niels Andriesse 2021-06-09 11:18:15 +10:00
parent 834ac1106b
commit 61588332a6
1 changed files with 27 additions and 1 deletions
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28
app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageView.kt
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@ -2,6 +2,8 @@ package org.thoughtcrime.securesms.conversation.v2.messages
import android.content.Context
import android.os.Build
import android.os.Handler
import android.os.Looper
import android.util.AttributeSet
import android.util.Log
import android.view.*
@ -23,9 +25,13 @@ import kotlin.math.sqrt
class VisibleMessageView : LinearLayout {
private var dx = 0.0f
private var previousTranslationX = 0.0f
private val gestureHandler = Handler(Looper.getMainLooper())
private var longPressCallback: Runnable? = null
companion object {
const val swipeToReplyThreshold = 100.0f // dp
const val swipeToReplyThreshold = 90.0f // dp
const val longPressMovementTreshold = 10.0f // dp
const val longPressDurationThreshold = 250.0f // ms
}
// region Lifecycle
@ -144,10 +150,25 @@ class VisibleMessageView : LinearLayout {
private fun onDown(event: MotionEvent) {
dx = x - event.rawX
val oldLongPressCallback = longPressCallback
if (oldLongPressCallback != null) {
gestureHandler.removeCallbacks(oldLongPressCallback)
}
val longPressCallback = Runnable { onLongPress() }
this.longPressCallback = longPressCallback
gestureHandler.postDelayed(longPressCallback, VisibleMessageView.longPressDurationThreshold)
}
private fun onMove(event: MotionEvent) {
val translationX = toDp(event.rawX + dx, context.resources)
if (abs(translationX) < VisibleMessageView.longPressMovementTreshold) {
return
} else {
val longPressCallback = longPressCallback
if (longPressCallback != null) {
gestureHandler.removeCallbacks(longPressCallback)
}
}
// The idea here is to asymptotically approach a maximum drag distance
val damping = 50.0f
val sign = -1.0f
@ -172,5 +193,10 @@ class VisibleMessageView : LinearLayout {
.setDuration(150)
.start()
}
private fun onLongPress() {
performHapticFeedback(HapticFeedbackConstants.LONG_PRESS)
Log.d("Test", "Long press")
}
// endregion
}