105 lines
3.3 KiB
Kotlin
105 lines
3.3 KiB
Kotlin
/*
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* Copyright 2016 Christian Basler
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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 ch.dissem.apps.abit.notification
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import android.app.PendingIntent
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import android.content.Context
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import android.content.Intent
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import android.support.v4.app.NotificationCompat
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import ch.dissem.apps.abit.MainActivity
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import ch.dissem.apps.abit.R
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import ch.dissem.apps.abit.service.ProofOfWorkService
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import ch.dissem.apps.abit.util.PowStats
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import java.util.*
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import kotlin.concurrent.fixedRateTimer
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/**
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* Ongoing notification while proof of work is in progress.
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*/
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class ProofOfWorkNotification(ctx: Context) : AbstractNotification(ctx) {
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private val builder = NotificationCompat.Builder(ctx, "abit.pow")
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.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
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.setUsesChronometer(true)
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.setOngoing(true)
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.setSmallIcon(R.drawable.ic_notification_proof_of_work)
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.setContentTitle(ctx.getString(R.string.proof_of_work_title))
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private var startTime = 0L
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private var progress = 0
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private var progressMax = 0
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private var timer: Timer? = null
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init {
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update(0)
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}
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override val notificationId = ONGOING_NOTIFICATION_ID
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fun update(numberOfItems: Int): ProofOfWorkNotification {
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val showMessageIntent = Intent(ctx, MainActivity::class.java)
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val pendingIntent = PendingIntent.getActivity(ctx, 0, showMessageIntent,
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PendingIntent.FLAG_UPDATE_CURRENT)
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builder.setContentText(if (numberOfItems == 0)
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ctx.getString(R.string.proof_of_work_text_0)
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else
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ctx.getString(R.string.proof_of_work_text_n, numberOfItems))
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.setContentIntent(pendingIntent)
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notification = builder.build()
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return this
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}
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companion object {
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const val ONGOING_NOTIFICATION_ID = 3
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}
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fun start(item: ProofOfWorkService.PowItem) {
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val expectedPowTimeInMilliseconds = PowStats.getExpectedPowTimeInMilliseconds(ctx, item.targetValue)
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val delta = (expectedPowTimeInMilliseconds / 3).toInt()
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startTime = System.currentTimeMillis()
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progress = 0
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progressMax = delta
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builder.setProgress(progressMax, progress, false)
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notification = builder.build()
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show()
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timer = fixedRateTimer(initialDelay = 2000, period = 2000){
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val elapsedTime = System.currentTimeMillis() - startTime
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progress = elapsedTime.toInt()
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progressMax = progress + delta
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builder.setProgress(progressMax, progress, false)
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notification = builder.build()
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show()
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}
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}
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fun finished() {
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timer?.cancel()
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progress = 0
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progressMax = 0
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if (showing) {
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builder.setProgress(0, 0, false)
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notification = builder.build()
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show()
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}
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}
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}
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