73 lines
2.2 KiB
Java
73 lines
2.2 KiB
Java
package org.thoughtcrime.securesms.contacts.avatars;
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import android.content.Context;
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import android.net.Uri;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import org.thoughtcrime.securesms.database.DatabaseFactory;
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import org.thoughtcrime.securesms.database.GroupDatabase;
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import org.thoughtcrime.securesms.groups.GroupId;
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import org.thoughtcrime.securesms.profiles.AvatarHelper;
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import org.thoughtcrime.securesms.util.Conversions;
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import org.whispersystems.libsignal.util.guava.Optional;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.security.MessageDigest;
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public final class GroupRecordContactPhoto implements ContactPhoto {
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private final GroupId groupId;
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private final long avatarId;
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public GroupRecordContactPhoto(@NonNull GroupId groupId, long avatarId) {
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this.groupId = groupId;
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this.avatarId = avatarId;
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}
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@Override
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public InputStream openInputStream(Context context) throws IOException {
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GroupDatabase groupDatabase = DatabaseFactory.getGroupDatabase(context);
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Optional<GroupDatabase.GroupRecord> groupRecord = groupDatabase.getGroup(groupId);
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if (!groupRecord.isPresent() || !AvatarHelper.hasAvatar(context, groupRecord.get().getRecipientId())) {
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throw new IOException("No avatar for group: " + groupId);
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}
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return AvatarHelper.getAvatar(context, groupRecord.get().getRecipientId());
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}
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@Override
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public @Nullable Uri getUri(@NonNull Context context) {
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return null;
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}
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@Override
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public boolean isProfilePhoto() {
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return false;
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}
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@Override
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public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
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messageDigest.update(groupId.toString().getBytes());
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messageDigest.update(Conversions.longToByteArray(avatarId));
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}
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@Override
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public boolean equals(Object other) {
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if (!(other instanceof GroupRecordContactPhoto)) return false;
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GroupRecordContactPhoto that = (GroupRecordContactPhoto)other;
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return this.groupId.equals(that.groupId) && this.avatarId == that.avatarId;
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}
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@Override
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public int hashCode() {
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return this.groupId.hashCode() ^ (int) avatarId;
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}
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}
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