session-android/app/src/main/java/org/thoughtcrime/securesms/contacts/avatars/GroupRecordContactPhoto.java

72 lines
2.1 KiB
Java

package org.thoughtcrime.securesms.contacts.avatars;
import android.content.Context;
import android.net.Uri;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import org.thoughtcrime.securesms.database.Address;
import org.thoughtcrime.securesms.database.DatabaseFactory;
import org.thoughtcrime.securesms.database.GroupDatabase;
import org.thoughtcrime.securesms.util.Conversions;
import org.session.libsignal.libsignal.util.guava.Optional;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.MessageDigest;
public class GroupRecordContactPhoto implements ContactPhoto {
private final @NonNull Address address;
private final long avatarId;
public GroupRecordContactPhoto(@NonNull Address address, long avatarId) {
this.address = address;
this.avatarId = avatarId;
}
@Override
public InputStream openInputStream(Context context) throws IOException {
GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
Optional<GroupDatabase.GroupRecord> groupRecord = groupDatabase.getGroup(address.toGroupString());
if (groupRecord.isPresent() && groupRecord.get().getAvatar() != null) {
return new ByteArrayInputStream(groupRecord.get().getAvatar());
}
throw new IOException("Couldn't load avatar for group: " + address.toGroupString());
}
@Override
public @Nullable Uri getUri(@NonNull Context context) {
return null;
}
@Override
public boolean isProfilePhoto() {
return false;
}
@Override
public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
messageDigest.update(address.serialize().getBytes());
messageDigest.update(Conversions.longToByteArray(avatarId));
}
@Override
public boolean equals(Object other) {
if (other == null || !(other instanceof GroupRecordContactPhoto)) return false;
GroupRecordContactPhoto that = (GroupRecordContactPhoto)other;
return this.address.equals(that.address) && this.avatarId == that.avatarId;
}
@Override
public int hashCode() {
return this.address.hashCode() ^ (int) avatarId;
}
}