diff options
Diffstat (limited to 'fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt')
-rw-r--r-- | fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt new file mode 100644 index 0000000..3e7d707 --- /dev/null +++ b/fastadapter/src/main/kotlin/ca/allanwang/kau/adapters/RepeatedClickListener.kt @@ -0,0 +1,70 @@ +/* + * 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 + } +} |