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Code Issues Projects Releases Wiki Activity

improve double tap behavior

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This commit is contained in:
Bnyro 2022-08-16 17:23:08 +02:00
parent a086cba894
commit a71cb344a5
1 changed files with 15 additions and 20 deletions
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35
app/src/main/java/com/github/libretube/util/DoubleTapListener.kt
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@ -7,39 +7,34 @@ import android.view.View
abstract class DoubleTapListener : View.OnClickListener {
private val maximumTimeDifference = 300L
private val handler = Handler(Looper.getMainLooper())
private var isSingleEvent = false
private val doubleClickQualificationSpanInMillis: Long
private var timestampLastClick: Long
private val handler: Handler
private val runnable: Runnable
private var timeStampLastClick = 0L
private var timeStampLastDoubleClick = 0L
override fun onClick(v: View?) {
if (SystemClock.elapsedRealtime() - timestampLastClick < doubleClickQualificationSpanInMillis) {
if (SystemClock.elapsedRealtime() - timeStampLastClick < maximumTimeDifference) {
isSingleEvent = false
handler.removeCallbacks(runnable)
timeStampLastDoubleClick = SystemClock.elapsedRealtime()
onDoubleClick()
return
}
isSingleEvent = true
handler.postDelayed(runnable, DEFAULT_QUALIFICATION_SPAN)
timestampLastClick = SystemClock.elapsedRealtime()
handler.removeCallbacks(runnable)
handler.postDelayed(runnable, maximumTimeDifference)
timeStampLastClick = SystemClock.elapsedRealtime()
}
abstract fun onDoubleClick()
abstract fun onSingleClick()
companion object {
private const val DEFAULT_QUALIFICATION_SPAN: Long = 200
}
init {
doubleClickQualificationSpanInMillis = DEFAULT_QUALIFICATION_SPAN
timestampLastClick = 0
handler = Handler(Looper.getMainLooper())
runnable = Runnable {
if (isSingleEvent) {
onSingleClick()
}
}
private val runnable = Runnable {
if (!isSingleEvent ||
SystemClock.elapsedRealtime() - timeStampLastDoubleClick < maximumTimeDifference
) return@Runnable
onSingleClick()
}
}