ResourceCursorAdapter With ViewHolder

PhotoCursorAdapter.java

import android.content.Context;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ResourceCursorAdapter;
import android.widget.TextView;

import com.clipo.blipo.R;
import com.clipo.blipo.models.BlipoPhoto;
import com.google.common.collect.Lists;

import java.util.List;

public class PhotoCursorAdapter extends ResourceCursorAdapter {

    //region Variables
    private final static String DEBUG_TAG = "[PhotoCursorAdapter]";

    private final List<BlipoPhoto> selectedPhotos;
    private final List<Bitmap> downloadedThumbnails;
    private final int cursorCount;
    //endregion

    //region Constructor
    public PhotoCursorAdapter(Context context, int layout, Cursor c, int flags, List<BlipoPhoto> selectedPhotos) {
        super(context, layout, c, flags);

        this.selectedPhotos = selectedPhotos;
        this.cursorCount = c.getCount();
        this.downloadedThumbnails = Lists.newArrayList();
    }
    //endregion

    @Override
    public void bindView(View view, Context context, Cursor cursor) {
        Log.w(DEBUG_TAG, "bindView()");

        final ViewHolder viewHolder = (ViewHolder) view.getTag();

//        Log.d(DEBUG_TAG, "======================");
//        Log.d(DEBUG_TAG, "Cursor position   = " + cursor.getPosition());
//        Log.d(DEBUG_TAG, "Cursor count      = " + cursor.getCount());
//        Log.d(DEBUG_TAG, "Original count    = " + cursorCount);
//        Log.d(DEBUG_TAG, "Adapter count     = " + getCount());


        if (cursor.getPosition() < cursorCount) {

            final long id = cursor.getLong(cursor.getColumnIndex(MediaStore.Images.Media._ID));

            if (isPhotoSelected(id)) {
                viewHolder.selectedImageView.setBackgroundResource(R.drawable.list_focused_blipo_default);
            } else {
                viewHolder.selectedImageView.setBackgroundResource(android.R.drawable.screen_background_light_transparent);
            }

            Bitmap thumbnail = MediaStore.Images.Thumbnails.getThumbnail(
                    context.getContentResolver(),
                    id,
                    MediaStore.Images.Thumbnails.MINI_KIND,
                    null);

            viewHolder.photoImageView.setImageBitmap(thumbnail);
        } else {
//            Log.d(DEBUG_TAG, "downloadedThumbnails.get(getCount() - cursorCount - 1) " + (getCount() - cursorCount - 1));
            viewHolder.photoImageView.setImageBitmap(downloadedThumbnails.get(getCount() - cursorCount - 1));
        }

//        Log.d(DEBUG_TAG, "======================");
    }

    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent) {
        Log.w(DEBUG_TAG, "newView()");
        View view = super.newView(context, cursor, parent);
        ViewHolder viewHolder = new ViewHolder();

        viewHolder.photoImageView    = (ImageView) view.findViewById(R.id.photo_iv);
        viewHolder.selectedImageView = (ImageView) view.findViewById(R.id.selected_iv);

        view.setTag(viewHolder);

        return view;
    }

    @Override
    public void changeCursor(Cursor cursor) {
        Log.w(DEBUG_TAG, "changeCursor()");
        super.changeCursor(cursor);
    }

    @Override
    public Cursor getCursor() {
        Log.w(DEBUG_TAG, "getCursor()");
        return super.getCursor();
    }

    @Override
    public Cursor swapCursor(Cursor newCursor) {
        Log.w(DEBUG_TAG, "swapCursor()");
        return super.swapCursor(newCursor);
    }

    @Override
    public int getCount() {
        return cursorCount + downloadedThumbnails.size() + 1;
    }

    public void addSelectedPhoto(long photoId) {
        selectedPhotos.add(new BlipoPhoto(photoId));
    }

    public void removeSelectedPhoto(long photoId) {
        selectedPhotos.remove(new BlipoPhoto(photoId));
    }

    public boolean isPhotoSelected(long photoId) {
        return selectedPhotos.contains(new BlipoPhoto(photoId));
    }

    public List<BlipoPhoto> getSelectedPhotos() {
        return selectedPhotos;
    }

    public void addThumbnails(Bitmap bitmap) {
        this.downloadedThumbnails.add(bitmap);
    }

    final static class ViewHolder {
        public ImageView photoImageView;
        public ImageView selectedImageView;
    }
}