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package ca.allanwang.kau.adapters
import android.support.annotation.IntRange
import android.view.View
import com.mikepenz.fastadapter.FastAdapter
import com.mikepenz.fastadapter.IAdapter
import com.mikepenz.fastadapter.IItem
import com.mikepenz.fastadapter.listeners.OnClickListener
/**
* Created by Allan Wang on 26/12/17.
*/
fun <Item : IItem<*, *>> FastAdapter<Item>.withOnRepeatedClickListener(count: Int,
duration: Long,
event: OnClickListener<Item>) =
withOnClickListener(RepeatedClickListener(count, duration, event))
/**
* Registers and skips each click until the designated [count] clicks are triggered,
* each within [duration] from each other.
* Only then will the [event] be fired, and everything will be reset.
*/
private class RepeatedClickListener<Item : IItem<*, *>>(
@IntRange(from = 1) val count: Int,
@IntRange(from = 1) val duration: Long,
val event: OnClickListener<Item>) : OnClickListener<Item> {
init {
if (count <= 0)
throw IllegalArgumentException("RepeatedClickListener's count must be > 1")
if (duration <= 0)
throw IllegalArgumentException("RepeatedClickListener's duration must be > 1L")
}
private var chain = 0
private var time = -1L
override fun onClick(v: View?, adapter: IAdapter<Item>, item: Item, position: Int): Boolean {
val now = System.currentTimeMillis()
if (time - now < duration)
chain++
else
chain = 1
time = now
if (chain == count) {
chain = 0
event.onClick(v, adapter, item, position)
return true
}
return false
}
}
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