forked from GitHub-Mirror/riotX-android
87 lines
2.6 KiB
Kotlin
87 lines
2.6 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.riotx.core.ui.views
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import android.content.Context
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import android.util.AttributeSet
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import android.view.View
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import android.view.animation.Animation
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import android.view.animation.AnimationUtils
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import im.vector.riotx.R
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import im.vector.riotx.features.home.room.detail.timeline.item.MessageInformationData
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import kotlinx.coroutines.*
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private const val DELAY_IN_MS = 1_500L
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class ReadMarkerView @JvmOverloads constructor(
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context: Context,
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attrs: AttributeSet? = null,
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defStyleAttr: Int = 0
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) : View(context, attrs, defStyleAttr) {
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interface Callback {
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fun onReadMarkerDisplayed()
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}
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private var callback: Callback? = null
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private var callbackDispatcherJob: Job? = null
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fun bindView(informationData: MessageInformationData, readMarkerCallback: Callback) {
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this.callback = readMarkerCallback
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if (informationData.displayReadMarker) {
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visibility = VISIBLE
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callbackDispatcherJob = GlobalScope.launch(Dispatchers.Main) {
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delay(DELAY_IN_MS)
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callback?.onReadMarkerDisplayed()
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}
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startAnimation()
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} else {
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visibility = INVISIBLE
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}
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}
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fun unbind() {
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this.callbackDispatcherJob?.cancel()
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this.callback = null
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this.animation?.cancel()
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this.visibility = INVISIBLE
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}
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private fun startAnimation() {
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if (animation == null) {
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animation = AnimationUtils.loadAnimation(context, R.anim.unread_marker_anim)
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animation.startOffset = DELAY_IN_MS / 2
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animation.duration = DELAY_IN_MS / 2
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animation.setAnimationListener(object : Animation.AnimationListener {
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override fun onAnimationStart(animation: Animation) {
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}
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override fun onAnimationEnd(animation: Animation) {
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visibility = INVISIBLE
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}
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override fun onAnimationRepeat(animation: Animation) {}
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})
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}
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animation.start()
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}
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}
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