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Convert DownloadService to use a deferred DownloadManager

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tarsin committed 2023-07-12 15:04:40 +08:00
1 parent effe7530ed
commit 1590ca4b80
1 file changed
+31 -44
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app/src/main/java/com/hippo/ehviewer/download/DownloadService.kt
+31 -44
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@@ -43,12 +43,14 @@ import com.hippo.ehviewer.util.getParcelableExtraCompat
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.SupervisorJob
import kotlinx.coroutines.async
import kotlinx.coroutines.cancel
import kotlinx.coroutines.launch
class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineScope {
override val coroutineContext = Dispatchers.IO + SupervisorJob()
private val deferredMgr = async { DownloadManager.apply { setDownloadListener(this@DownloadService) } }
private var mNotifyManager: NotificationManagerCompat? = null
private var mDownloadManager: DownloadManager? = null
private var mDownloadingBuilder: NotificationCompat.Builder? = null
private var mDownloadedBuilder: NotificationCompat.Builder? = null
private var m509dBuilder: NotificationCompat.Builder? = null
@@ -62,15 +64,9 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
mChannelID = "$packageName.download"
mNotifyManager = NotificationManagerCompat.from(this)
mNotifyManager!!.createNotificationChannel(
NotificationChannelCompat.Builder(
mChannelID!!,
NotificationManagerCompat.IMPORTANCE_LOW,
)
.setName(getString(R.string.download_service))
.build(),
NotificationChannelCompat.Builder(mChannelID!!, NotificationManagerCompat.IMPORTANCE_LOW)
.setName(getString(R.string.download_service)).build(),
)
mDownloadManager = DownloadManager
mDownloadManager!!.setDownloadListener(this)
ensureDownloadingBuilder()
mDownloadingBuilder!!.setContentTitle(getString(R.string.download_service))
.setContentText(null)
@@ -81,11 +77,12 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
override fun onDestroy() {
super.onDestroy()
mNotifyManager = null
if (mDownloadManager != null) {
mDownloadManager!!.setDownloadListener(null)
mDownloadManager = null
val scope = this
launch {
deferredMgr.await().setDownloadListener(null)
scope.cancel()
}
mNotifyManager = null
mDownloadingBuilder = null
mDownloadedBuilder = null
m509dBuilder = null
@@ -101,61 +98,51 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
ACTION_START -> {
val gi = intent.getParcelableExtraCompat<GalleryInfo>(KEY_GALLERY_INFO)
val label = intent.getStringExtra(KEY_LABEL)
if (gi != null && mDownloadManager != null) {
mDownloadManager!!.startDownload(gi, label)
if (gi != null) {
deferredMgr.await().startDownload(gi, label)
}
}
ACTION_START_RANGE -> {
val gidList = intent.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
if (gidList != null && mDownloadManager != null) {
mDownloadManager!!.startRangeDownload(gidList)
if (gidList != null) {
deferredMgr.await().startRangeDownload(gidList)
}
}
ACTION_START_ALL -> {
if (mDownloadManager != null) {
mDownloadManager!!.startAllDownload()
}
deferredMgr.await().startAllDownload()
}
ACTION_STOP -> {
val gid = intent.getLongExtra(KEY_GID, -1)
if (gid != -1L && mDownloadManager != null) {
mDownloadManager!!.stopDownload(gid)
if (gid != -1L) {
deferredMgr.await().stopDownload(gid)
}
}
ACTION_STOP_CURRENT -> {
if (mDownloadManager != null) {
mDownloadManager!!.stopCurrentDownload()
}
}
ACTION_STOP_CURRENT -> deferredMgr.await().stopCurrentDownload()
ACTION_STOP_RANGE -> {
val gidList = intent.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
if (gidList != null && mDownloadManager != null) {
mDownloadManager!!.stopRangeDownload(gidList)
if (gidList != null) {
deferredMgr.await().stopRangeDownload(gidList)
}
}
ACTION_STOP_ALL -> {
if (mDownloadManager != null) {
mDownloadManager!!.stopAllDownload()
}
}
ACTION_STOP_ALL -> deferredMgr.await().stopAllDownload()
ACTION_DELETE -> {
val gid = intent.getLongExtra(KEY_GID, -1)
if (gid != -1L && mDownloadManager != null) {
mDownloadManager!!.deleteDownload(gid)
if (gid != -1L) {
deferredMgr.await().deleteDownload(gid)
}
}
ACTION_DELETE_RANGE -> {
val gidList = intent.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
if (gidList != null && mDownloadManager != null) {
mDownloadManager!!.deleteRangeDownload(gidList)
if (gidList != null) {
deferredMgr.await().deleteRangeDownload(gidList)
}
}
@@ -240,9 +227,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
override fun onGet509() {
launch {
if (mDownloadManager != null) {
mDownloadManager!!.stopAllDownload()
}
deferredMgr.await().stopAllDownload()
if (mNotifyManager == null) {
return@launch
}
@@ -427,9 +412,11 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
}
private fun checkStopSelf() {
if (mDownloadManager == null || mDownloadManager!!.isIdle) {
stopForeground(STOP_FOREGROUND_REMOVE)
stopSelf()
launch {
if (deferredMgr.await().isIdle) {
stopForeground(STOP_FOREGROUND_REMOVE)
stopSelf()
}
}
}