326 lines
12 KiB
Kotlin
326 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.components.notifications.NotificationHelper
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import com.keylesspalace.tusky.db.AccountManager
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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 dagger.android.AndroidInjection
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.SupervisorJob
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.launch
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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.concurrent.ConcurrentHashMap
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import java.util.concurrent.TimeUnit
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import javax.inject.Inject
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class SendStatusService : 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 draftHelper: DraftHelper
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private val supervisorJob = SupervisorJob()
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private val serviceScope = CoroutineScope(Dispatchers.Main + supervisorJob)
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private val statusesToSend = ConcurrentHashMap<Int, StatusToSend>()
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private val sendCalls = ConcurrentHashMap<Int, Call<Status>>()
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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_STATUS)) {
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val statusToSend = intent.getParcelableExtra<StatusToSend>(KEY_STATUS)
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?: throw IllegalStateException("SendStatusService started without $KEY_STATUS 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_post_notification_channel_name), NotificationManager.IMPORTANCE_LOW)
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notificationManager.createNotificationChannel(channel)
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}
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var notificationText = statusToSend.warningText
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if (notificationText.isBlank()) {
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notificationText = statusToSend.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_post_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.notification_color))
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.addAction(0, getString(android.R.string.cancel), cancelSendingIntent(sendingNotificationId))
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if (statusesToSend.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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statusesToSend[sendingNotificationId] = statusToSend
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sendStatus(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 sendStatus(statusId: Int) {
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// when statusToSend == null, sending has been canceled
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val statusToSend = statusesToSend[statusId] ?: return
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// when account == null, user has logged out, cancel sending
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val account = accountManager.getAccountById(statusToSend.accountId)
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if (account == null) {
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statusesToSend.remove(statusId)
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notificationManager.cancel(statusId)
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stopSelfWhenDone()
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return
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}
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statusToSend.retries++
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val newStatus = NewStatus(
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statusToSend.text,
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statusToSend.warningText,
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statusToSend.inReplyToId,
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statusToSend.visibility,
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statusToSend.sensitive,
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statusToSend.mediaIds,
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statusToSend.scheduledAt,
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statusToSend.poll,
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statusToSend.quoteId,
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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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statusToSend.idempotencyKey,
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newStatus
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)
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sendCalls[statusId] = 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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serviceScope.launch {
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val scheduled = !statusToSend.scheduledAt.isNullOrEmpty()
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statusesToSend.remove(statusId)
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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 (statusToSend.draftId != 0) {
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draftHelper.deleteDraftAndAttachments(statusToSend.draftId)
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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(statusId)
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} else {
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// the server refused to accept the status, save status & show error message
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saveStatusToDrafts(statusToSend)
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val builder = NotificationCompat.Builder(this@SendStatusService, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_notify)
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.setContentTitle(getString(R.string.send_post_notification_error_title))
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.setContentText(getString(R.string.send_post_notification_saved_content))
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.setColor(
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ContextCompat.getColor(
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this@SendStatusService,
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R.color.notification_color
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)
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)
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notificationManager.cancel(statusId)
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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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}
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override fun onFailure(call: Call<Status>, t: Throwable) {
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serviceScope.launch {
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var backoff = TimeUnit.SECONDS.toMillis(statusToSend.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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delay(backoff)
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sendStatus(statusId)
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}
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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 (statusesToSend.isEmpty()) {
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ServiceCompat.stopForeground(this@SendStatusService, ServiceCompat.STOP_FOREGROUND_REMOVE)
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stopSelf()
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}
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}
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private fun cancelSending(statusId: Int) = serviceScope.launch {
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val statusToCancel = statusesToSend.remove(statusId)
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if (statusToCancel != null) {
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val sendCall = sendCalls.remove(statusId)
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sendCall?.cancel()
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saveStatusToDrafts(statusToCancel)
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val builder = NotificationCompat.Builder(this@SendStatusService, CHANNEL_ID)
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.setSmallIcon(R.drawable.ic_notify)
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.setContentTitle(getString(R.string.send_post_notification_cancel_title))
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.setContentText(getString(R.string.send_post_notification_saved_content))
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.setColor(ContextCompat.getColor(this@SendStatusService, R.color.notification_color))
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notificationManager.notify(statusId, builder.build())
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delay(5000)
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}
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}
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private suspend fun saveStatusToDrafts(status: StatusToSend) {
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draftHelper.saveDraft(
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draftId = status.draftId,
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accountId = status.accountId,
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inReplyToId = status.inReplyToId,
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content = status.text,
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contentWarning = status.warningText,
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sensitive = status.sensitive,
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visibility = Status.Visibility.byString(status.visibility),
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mediaUris = status.mediaUris,
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mediaDescriptions = status.mediaDescriptions,
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poll = status.poll,
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failedToSend = true
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)
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}
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private fun cancelSendingIntent(statusId: Int): PendingIntent {
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val intent = Intent(this, SendStatusService::class.java)
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intent.putExtra(KEY_CANCEL, statusId)
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return PendingIntent.getService(this, statusId, intent, NotificationHelper.pendingIntentFlags(false))
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}
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override fun onDestroy() {
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super.onDestroy()
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supervisorJob.cancel()
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}
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companion object {
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private const val KEY_STATUS = "status"
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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 sendStatusIntent(
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context: Context,
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statusToSend: StatusToSend
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): Intent {
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val intent = Intent(context, SendStatusService::class.java)
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intent.putExtra(KEY_STATUS, statusToSend)
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if (statusToSend.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("Status Media", arrayOf("image/*", "video/*")),
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ClipData.Item(statusToSend.mediaUris[0])
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)
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statusToSend.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 StatusToSend(
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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 quoteId: String?,
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val accountId: Long,
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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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