@Override
protected void findPosition(ImageData data) {
if (data.position == -1) {
if (data.cursor == null) {
openCursor(data);
}
if (data.cursor != null) {
int dataIndex = data.cursor.getColumnIndex(MediaStore.Images.Media.DATA);
data.cursor.moveToPosition(-1);
while (data.position == -1 && data.cursor.moveToNext()) {
String url = data.cursor.getString(dataIndex);
if (url != null && url.equals(data.url)) {
data.position = data.cursor.getPosition();
}
}
if (data.position == -1) {
// oops! The image isn't in this album. How did we get here?
data.position = INVALID;
}
}
}
}
@Override
protected ImageData unpackImageData(Cursor cursor, ImageData data) {
if (data == null) {
data = new ImageData();
}
int dataIndex = cursor.getColumnIndex(MediaStore.Images.Media.DATA);
int orientationIndex = cursor.getColumnIndex(MediaStore.Images.Media.ORIENTATION);
int bucketIndex = cursor.getColumnIndex(MediaStore.Images.Media.BUCKET_ID);
data.url = cursor.getString(dataIndex);
data.albumId = cursor.getString(bucketIndex);
data.position = UNINITIALIZED;
data.cursor = null;
data.orientation = cursor.getInt(orientationIndex);
return data;
}