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

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3.1 KiB
Java

package org.thoughtcrime.securesms.service;
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import androidx.annotation.AnyThread;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.WorkerThread;
import org.signal.core.util.logging.Log;
import org.thoughtcrime.securesms.database.MessageTable;
import org.thoughtcrime.securesms.database.PendingRetryReceiptCache;
import org.thoughtcrime.securesms.database.SignalDatabase;
import org.thoughtcrime.securesms.database.model.PendingRetryReceiptModel;
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
import org.thoughtcrime.securesms.util.FeatureFlags;
/**
* Manages the time-based creation of error messages for retries that are pending for messages we couldn't decrypt.
*/
public final class PendingRetryReceiptManager extends TimedEventManager<PendingRetryReceiptModel> {
private static final String TAG = Log.tag(PendingRetryReceiptManager.class);
private final PendingRetryReceiptCache pendingCache;
private final MessageTable messageDatabase;
public PendingRetryReceiptManager(@NonNull Application application) {
super(application, "PendingRetryReceiptManager");
this.pendingCache = ApplicationDependencies.getPendingRetryReceiptCache();
this.messageDatabase = SignalDatabase.messages();
scheduleIfNecessary();
}
@WorkerThread
@Override
protected @Nullable PendingRetryReceiptModel getNextClosestEvent() {
PendingRetryReceiptModel model = pendingCache.getOldest();
if (model != null) {
Log.i(TAG, "Next closest expiration is in " + getDelayForEvent(model) + " ms for timestamp " + model.getSentTimestamp() + ".");
} else {
Log.d(TAG, "No pending receipts to schedule.");
}
return model;
}
@WorkerThread
@Override
protected void executeEvent(@NonNull PendingRetryReceiptModel event) {
Log.w(TAG, "It's been " + (System.currentTimeMillis() - event.getReceivedTimestamp()) + " ms since this retry receipt was received. Showing an error.");
messageDatabase.insertBadDecryptMessage(event.getAuthor(), event.getAuthorDevice(), event.getSentTimestamp(), event.getReceivedTimestamp(), event.getThreadId());
pendingCache.delete(event);
}
@WorkerThread
@Override
protected long getDelayForEvent(@NonNull PendingRetryReceiptModel event) {
long expiresAt = event.getReceivedTimestamp() + FeatureFlags.retryReceiptLifespan();
long timeLeft = expiresAt - System.currentTimeMillis();
return Math.max(0, timeLeft);
}
@AnyThread
@Override
protected void scheduleAlarm(@NonNull Application application, long delay) {
setAlarm(application, delay, PendingRetryReceiptAlarm.class);
}
public static class PendingRetryReceiptAlarm extends BroadcastReceiver {
private static final String TAG = Log.tag(PendingRetryReceiptAlarm.class);
@Override
public void onReceive(Context context, Intent intent) {
Log.d(TAG, "onReceive()");
ApplicationDependencies.getPendingRetryReceiptManager().scheduleIfNecessary();
}
}
}