340 lines
12 KiB
Kotlin
340 lines
12 KiB
Kotlin
package com.keylesspalace.tusky.service
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import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.app.PendingIntent
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import android.app.Service
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import android.content.ClipData
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import android.content.ClipDescription
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import android.content.Context
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import android.content.Intent
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import android.os.Build
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import android.os.IBinder
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import android.os.Parcelable
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import androidx.core.app.NotificationCompat
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import androidx.core.app.ServiceCompat
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import androidx.core.content.ContextCompat
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import com.keylesspalace.tusky.R
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import com.keylesspalace.tusky.appstore.EventHub
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import com.keylesspalace.tusky.appstore.StatusComposedEvent
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import com.keylesspalace.tusky.appstore.StatusScheduledEvent
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import com.keylesspalace.tusky.components.drafts.DraftHelper
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import com.keylesspalace.tusky.db.AccountManager
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import com.keylesspalace.tusky.db.AppDatabase
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import com.keylesspalace.tusky.di.Injectable
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import com.keylesspalace.tusky.entity.NewPoll
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import com.keylesspalace.tusky.entity.NewStatus
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import com.keylesspalace.tusky.entity.Status
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import com.keylesspalace.tusky.network.MastodonApi
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import com.keylesspalace.tusky.util.SaveTootHelper
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import dagger.android.AndroidInjection
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import kotlinx.parcelize.Parcelize
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import retrofit2.Call
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import retrofit2.Callback
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import retrofit2.Response
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import java.util.*
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import java.util.concurrent.ConcurrentHashMap
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import java.util.concurrent.TimeUnit
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import javax.inject.Inject
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class SendTootService : Service(), Injectable {
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@Inject
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lateinit var mastodonApi: MastodonApi
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@Inject
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lateinit var accountManager: AccountManager
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@Inject
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lateinit var eventHub: EventHub
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@Inject
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lateinit var database: AppDatabase
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@Inject
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lateinit var draftHelper: DraftHelper
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@Inject
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lateinit var saveTootHelper: SaveTootHelper
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private val tootsToSend = ConcurrentHashMap<Int, TootToSend>()
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private val sendCalls = ConcurrentHashMap<Int, Call<Status>>()
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private val timer = Timer()
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private val notificationManager by lazy { getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager }
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override fun onCreate() {
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AndroidInjection.inject(this)
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super.onCreate()
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}
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override fun onBind(intent: Intent): IBinder? {
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return null
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}
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override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
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if (intent.hasExtra(KEY_TOOT)) {
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val tootToSend = intent.getParcelableExtra<TootToSend>(KEY_TOOT)
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?: throw IllegalStateException("SendTootService started without $KEY_TOOT extra")
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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val channel = NotificationChannel(CHANNEL_ID, getString(R.string.send_toot_notification_channel_name), NotificationManager.IMPORTANCE_LOW)
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notificationManager.createNotificationChannel(channel)
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}
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var notificationText = tootToSend.warningText
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if (notificationText.isBlank()) {
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notificationText = tootToSend.text
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}
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val builder = NotificationCompat.Builder(this, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_notify)
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.setContentTitle(getString(R.string.send_toot_notification_title))
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.setContentText(notificationText)
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.setProgress(1, 0, true)
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.setOngoing(true)
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.setColor(ContextCompat.getColor(this, R.color.tusky_blue))
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.addAction(0, getString(android.R.string.cancel), cancelSendingIntent(sendingNotificationId))
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if (tootsToSend.size == 0 || Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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ServiceCompat.stopForeground(this, ServiceCompat.STOP_FOREGROUND_DETACH)
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startForeground(sendingNotificationId, builder.build())
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} else {
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notificationManager.notify(sendingNotificationId, builder.build())
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}
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tootsToSend[sendingNotificationId] = tootToSend
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sendToot(sendingNotificationId--)
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} else {
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if (intent.hasExtra(KEY_CANCEL)) {
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cancelSending(intent.getIntExtra(KEY_CANCEL, 0))
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}
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}
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return START_NOT_STICKY
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}
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private fun sendToot(tootId: Int) {
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// when tootToSend == null, sending has been canceled
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val tootToSend = tootsToSend[tootId] ?: return
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// when account == null, user has logged out, cancel sending
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val account = accountManager.getAccountById(tootToSend.accountId)
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if (account == null) {
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tootsToSend.remove(tootId)
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notificationManager.cancel(tootId)
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stopSelfWhenDone()
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return
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}
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tootToSend.retries++
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val newStatus = NewStatus(
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tootToSend.text,
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tootToSend.warningText,
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tootToSend.inReplyToId,
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tootToSend.visibility,
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tootToSend.sensitive,
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tootToSend.mediaIds,
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tootToSend.scheduledAt,
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tootToSend.poll
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)
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val sendCall = mastodonApi.createStatus(
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"Bearer " + account.accessToken,
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account.domain,
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tootToSend.idempotencyKey,
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newStatus
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)
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sendCalls[tootId] = sendCall
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val callback = object : Callback<Status> {
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override fun onResponse(call: Call<Status>, response: Response<Status>) {
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val scheduled = !tootToSend.scheduledAt.isNullOrEmpty()
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tootsToSend.remove(tootId)
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if (response.isSuccessful) {
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// If the status was loaded from a draft, delete the draft and associated media files.
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if (tootToSend.savedTootUid != 0) {
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saveTootHelper.deleteDraft(tootToSend.savedTootUid)
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}
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if (tootToSend.draftId != 0) {
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draftHelper.deleteDraftAndAttachments(tootToSend.draftId)
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.subscribe()
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}
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if (scheduled) {
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response.body()?.let(::StatusScheduledEvent)?.let(eventHub::dispatch)
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} else {
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response.body()?.let(::StatusComposedEvent)?.let(eventHub::dispatch)
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}
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notificationManager.cancel(tootId)
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} else {
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// the server refused to accept the toot, save toot & show error message
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saveTootToDrafts(tootToSend)
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val builder = NotificationCompat.Builder(this@SendTootService, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_notify)
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.setContentTitle(getString(R.string.send_toot_notification_error_title))
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.setContentText(getString(R.string.send_toot_notification_saved_content))
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.setColor(ContextCompat.getColor(this@SendTootService, R.color.tusky_blue))
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notificationManager.cancel(tootId)
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notificationManager.notify(errorNotificationId--, builder.build())
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}
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stopSelfWhenDone()
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}
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override fun onFailure(call: Call<Status>, t: Throwable) {
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var backoff = TimeUnit.SECONDS.toMillis(tootToSend.retries.toLong())
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if (backoff > MAX_RETRY_INTERVAL) {
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backoff = MAX_RETRY_INTERVAL
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}
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timer.schedule(object : TimerTask() {
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override fun run() {
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sendToot(tootId)
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}
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}, backoff)
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}
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}
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sendCall.enqueue(callback)
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}
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private fun stopSelfWhenDone() {
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if (tootsToSend.isEmpty()) {
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ServiceCompat.stopForeground(this@SendTootService, ServiceCompat.STOP_FOREGROUND_REMOVE)
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stopSelf()
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}
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}
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private fun cancelSending(tootId: Int) {
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val tootToCancel = tootsToSend.remove(tootId)
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if (tootToCancel != null) {
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val sendCall = sendCalls.remove(tootId)
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sendCall?.cancel()
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saveTootToDrafts(tootToCancel)
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val builder = NotificationCompat.Builder(this@SendTootService, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_notify)
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.setContentTitle(getString(R.string.send_toot_notification_cancel_title))
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.setContentText(getString(R.string.send_toot_notification_saved_content))
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.setColor(ContextCompat.getColor(this@SendTootService, R.color.tusky_blue))
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notificationManager.notify(tootId, builder.build())
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timer.schedule(object : TimerTask() {
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override fun run() {
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notificationManager.cancel(tootId)
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stopSelfWhenDone()
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}
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}, 5000)
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}
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}
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private fun saveTootToDrafts(toot: TootToSend) {
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draftHelper.saveDraft(
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draftId = toot.draftId,
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accountId = toot.accountId,
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inReplyToId = toot.inReplyToId,
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content = toot.text,
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contentWarning = toot.warningText,
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sensitive = toot.sensitive,
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visibility = Status.Visibility.byString(toot.visibility),
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mediaUris = toot.mediaUris,
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mediaDescriptions = toot.mediaDescriptions,
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poll = toot.poll,
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failedToSend = true
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).subscribe()
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}
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private fun cancelSendingIntent(tootId: Int): PendingIntent {
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val intent = Intent(this, SendTootService::class.java)
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intent.putExtra(KEY_CANCEL, tootId)
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return PendingIntent.getService(this, tootId, intent, PendingIntent.FLAG_UPDATE_CURRENT)
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}
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companion object {
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private const val KEY_TOOT = "toot"
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private const val KEY_CANCEL = "cancel_id"
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private const val CHANNEL_ID = "send_toots"
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private val MAX_RETRY_INTERVAL = TimeUnit.MINUTES.toMillis(1)
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private var sendingNotificationId = -1 // use negative ids to not clash with other notis
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private var errorNotificationId = Int.MIN_VALUE // use even more negative ids to not clash with other notis
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@JvmStatic
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fun sendTootIntent(context: Context,
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tootToSend: TootToSend
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): Intent {
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val intent = Intent(context, SendTootService::class.java)
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intent.putExtra(KEY_TOOT, tootToSend)
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if (tootToSend.mediaUris.isNotEmpty()) {
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// forward uri permissions
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intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
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val uriClip = ClipData(
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ClipDescription("Toot Media", arrayOf("image/*", "video/*")),
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ClipData.Item(tootToSend.mediaUris[0])
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)
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tootToSend.mediaUris
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.drop(1)
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.forEach { mediaUri ->
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uriClip.addItem(ClipData.Item(mediaUri))
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}
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intent.clipData = uriClip
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}
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return intent
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}
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}
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}
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@Parcelize
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data class TootToSend(
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val text: String,
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val warningText: String,
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val visibility: String,
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val sensitive: Boolean,
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val mediaIds: List<String>,
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val mediaUris: List<String>,
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val mediaDescriptions: List<String>,
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val scheduledAt: String?,
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val inReplyToId: String?,
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val poll: NewPoll?,
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val replyingStatusContent: String?,
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val replyingStatusAuthorUsername: String?,
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val accountId: Long,
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val savedTootUid: Int,
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val draftId: Int,
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val idempotencyKey: String,
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var retries: Int
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) : Parcelable
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