88 lines
2.5 KiB
Kotlin
88 lines
2.5 KiB
Kotlin
package com.github.apognu.otter.activities
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import android.os.Bundle
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import kotlinx.coroutines.flow.collect
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import androidx.appcompat.app.AppCompatActivity
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import androidx.recyclerview.widget.LinearLayoutManager
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import com.github.apognu.otter.R
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import com.github.apognu.otter.adapters.DownloadsAdapter
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import com.github.apognu.otter.utils.*
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import com.google.android.exoplayer2.offline.Download
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import kotlinx.android.synthetic.main.activity_downloads.*
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import kotlinx.coroutines.Dispatchers.IO
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import kotlinx.coroutines.Dispatchers.Main
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import kotlinx.coroutines.GlobalScope
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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class DownloadsActivity : AppCompatActivity() {
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lateinit var adapter: DownloadsAdapter
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_downloads)
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adapter = DownloadsAdapter(this, DownloadChangedListener()).also {
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downloads.layoutManager = LinearLayoutManager(this)
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downloads.adapter = it
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}
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}
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override fun onResume() {
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super.onResume()
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GlobalScope.launch(IO) {
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EventBus.get().collect { event ->
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if (event is Event.DownloadChanged) {
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refreshTrack(event.download)
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}
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}
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}
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refresh()
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}
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private fun refresh() {
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GlobalScope.launch(Main) {
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RequestBus.send(Request.GetDownloads).wait<Response.Downloads>()?.let { response ->
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adapter.downloads.clear()
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while (response.cursor.moveToNext()) {
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val download = response.cursor.download
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download.getMetadata()?.let { info ->
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adapter.downloads.add(info.apply {
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this.download = download
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})
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}
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}
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adapter.notifyDataSetChanged()
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}
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}
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}
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private suspend fun refreshTrack(download: Download) {
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if (download.state == Download.STATE_COMPLETED) {
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download.getMetadata()?.let { info ->
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adapter.downloads.withIndex().associate { it.value to it.index }.filter { it.key.id == info.id }.toList().getOrNull(0)?.let { match ->
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withContext(Main) {
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adapter.downloads[match.second] = info.apply {
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this.download = download
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}
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adapter.notifyItemChanged(match.second)
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}
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}
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}
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}
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}
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inner class DownloadChangedListener : DownloadsAdapter.OnDownloadChangedListener {
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override fun onItemRemoved(index: Int) {
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adapter.downloads.removeAt(index)
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adapter.notifyDataSetChanged()
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}
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}
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} |