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/*
* Copyright 2018 Allan Wang
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ca.allanwang.kau.adapters
import android.view.View
import androidx.annotation.IntRange
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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