54 lines
2.0 KiB
Java
54 lines
2.0 KiB
Java
package org.thoughtcrime.securesms.database.loaders;
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import android.content.Context;
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import android.database.Cursor;
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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 androidx.core.util.Pair;
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import org.session.libsession.messaging.sending_receiving.attachments.AttachmentId;
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import org.session.libsession.utilities.recipients.Recipient;
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import org.thoughtcrime.securesms.database.AttachmentDatabase;
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import org.thoughtcrime.securesms.dependencies.DatabaseComponent;
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import org.thoughtcrime.securesms.mms.PartAuthority;
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import org.thoughtcrime.securesms.util.AsyncLoader;
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public class PagingMediaLoader extends AsyncLoader<Pair<Cursor, Integer>> {
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@SuppressWarnings("unused")
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private static final String TAG = PagingMediaLoader.class.getSimpleName();
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private final Recipient recipient;
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private final Uri uri;
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private final boolean leftIsRecent;
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public PagingMediaLoader(@NonNull Context context, @NonNull Recipient recipient, @NonNull Uri uri, boolean leftIsRecent) {
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super(context);
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this.recipient = recipient;
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this.uri = uri;
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this.leftIsRecent = leftIsRecent;
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}
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@Nullable
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@Override
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public Pair<Cursor, Integer> loadInBackground() {
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long threadId = DatabaseComponent.get(getContext()).threadDatabase().getOrCreateThreadIdFor(recipient);
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Cursor cursor = DatabaseComponent.get(getContext()).mediaDatabase().getGalleryMediaForThread(threadId);
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while (cursor != null && cursor.moveToNext()) {
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AttachmentId attachmentId = new AttachmentId(cursor.getLong(cursor.getColumnIndexOrThrow(AttachmentDatabase.ROW_ID)), cursor.getLong(cursor.getColumnIndexOrThrow(AttachmentDatabase.UNIQUE_ID)));
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Uri attachmentUri = PartAuthority.getAttachmentDataUri(attachmentId);
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if (attachmentUri.equals(uri)) {
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return new Pair<>(cursor, leftIsRecent ? cursor.getPosition() : cursor.getCount() - 1 - cursor.getPosition());
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}
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}
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cursor.close();
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return null;
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}
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}
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