Signal-Android/app/src/main/java/org/thoughtcrime/securesms/service/ScheduledMessageManager.kt

99 wiersze
3.6 KiB
Kotlin

package org.thoughtcrime.securesms.service
import android.app.Application
import android.app.PendingIntent
import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import androidx.annotation.WorkerThread
import org.signal.core.util.PendingIntentFlags
import org.signal.core.util.logging.Log
import org.thoughtcrime.securesms.conversation.ConversationIntents
import org.thoughtcrime.securesms.database.SignalDatabase
import org.thoughtcrime.securesms.database.model.MediaMmsMessageRecord
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
import org.thoughtcrime.securesms.jobs.IndividualSendJob
import org.thoughtcrime.securesms.jobs.PushGroupSendJob
import org.thoughtcrime.securesms.recipients.RecipientId
import kotlin.time.Duration.Companion.seconds
/**
* Manages waking up and sending scheduled messages at the correct time
*/
class ScheduledMessageManager(
val application: Application
) : TimedEventManager<ScheduledMessageManager.Event>(application, "ScheduledMessagesManager") {
companion object {
private val TAG = Log.tag(ScheduledMessageManager::class.java)
}
private val messagesTable = SignalDatabase.messages
init {
scheduleIfNecessary()
}
@Suppress("UsePropertyAccessSyntax")
@WorkerThread
override fun getNextClosestEvent(): Event? {
val oldestMessage: MediaMmsMessageRecord? = messagesTable.getOldestScheduledSendTimestamp() as? MediaMmsMessageRecord
if (oldestMessage == null) {
cancelAlarm(application, ScheduledMessagesAlarm::class.java)
return null
}
val delay = (oldestMessage.scheduledDate - System.currentTimeMillis()).coerceAtLeast(0)
Log.i(TAG, "The next scheduled message needs to be sent in $delay ms.")
return Event(delay, oldestMessage.recipient.id, oldestMessage.threadId)
}
@WorkerThread
override fun executeEvent(event: Event) {
val scheduledMessagesToSend = messagesTable.getScheduledMessagesBefore(System.currentTimeMillis())
for (record in scheduledMessagesToSend) {
val expiresIn = SignalDatabase.recipients.getExpiresInSeconds(record.recipient.id)
if (messagesTable.clearScheduledStatus(record.threadId, record.id, expiresIn.seconds.inWholeMilliseconds)) {
if (record.recipient.isPushGroup) {
PushGroupSendJob.enqueue(application, ApplicationDependencies.getJobManager(), record.id, record.recipient.id, emptySet(), true)
} else {
IndividualSendJob.enqueue(application, ApplicationDependencies.getJobManager(), record.id, record.recipient, true)
}
} else {
Log.i(TAG, "messageId=${record.id} was not a scheduled message, ignoring")
}
}
}
@WorkerThread
override fun getDelayForEvent(event: Event): Long = event.delay
@WorkerThread
override fun scheduleAlarm(application: Application, event: Event, delay: Long) {
val conversationIntent = ConversationIntents.createBuilder(application, event.recipientId, event.threadId).build()
trySetExactAlarm(
application,
System.currentTimeMillis() + delay,
ScheduledMessagesAlarm::class.java,
PendingIntent.getActivity(application, 0, conversationIntent, PendingIntentFlags.mutable())
)
}
data class Event(val delay: Long, val recipientId: RecipientId, val threadId: Long)
class ScheduledMessagesAlarm : BroadcastReceiver() {
companion object {
private val TAG = Log.tag(ScheduledMessagesAlarm::class.java)
}
override fun onReceive(context: Context?, intent: Intent?) {
Log.d(TAG, "onReceive()")
ApplicationDependencies.getScheduledMessageManager().scheduleIfNecessary()
}
}
}