@Override
public ArrayList<MediaItem> getMediaItem(int start, int count) {
DataManager dataManager = mApplication.getDataManager();
Uri uri = mBaseUri.buildUpon().appendQueryParameter("limit", start + "," + count).build();
ArrayList<MediaItem> list = new ArrayList<MediaItem>();
GalleryUtils.assertNotInRenderThread();
Cursor cursor =
mResolver.query(
uri, mProjection, mWhereClause, new String[] {String.valueOf(mBucketId)}, mOrderClause);
if (cursor == null) {
Log.w(TAG, "query fail: " + uri);
return list;
}
try {
while (cursor.moveToNext()) {
int id = cursor.getInt(0); // _id must be in the first column
Path childPath = mItemPath.getChild(id);
MediaItem item = loadOrUpdateItem(childPath, cursor, dataManager, mApplication, mIsImage);
list.add(item);
}
} finally {
cursor.close();
}
return list;
}
@Override
public void delete() {
GalleryUtils.assertNotInRenderThread();
mResolver.delete(mBaseUri, mWhereClause, new String[] {String.valueOf(mBucketId)});
}