private FrameLayout layout = null;

    private LinearLayout downloadQueueContainer = null;

    private View infoView = null;

    private ImageView arrow = null;

    private int halfSize = 0;

    private DownloadPackage task = null;

    public void onCreate(Bundle savedInstanceState){

        super.onCreate(savedInstanceState);

        setContentView(R.layout.download_listactivity);

        //FragmentManager fm = this.getSupportFragmentManager();

        //if(fm.findFragmentById(android.R.id.content) == null){

        //  DownloadListFragment listfrag = new DownloadListFragment();

        //  fm.beginTransaction().add(android.R.id.content, listfrag).commit();

        //}

        layout = (FrameLayout)findViewById(R.id.downloadFrameLayout);

        downloadQueueContainer = (LinearLayout) findViewById(R.id.downloadQueueContainer);

    }

    public void onNewItemSelected(DownloadPackage _task, int x, int minX, int maxX, int size) {

        if(layout != null){

            if(!_task.equals(task)){//if it's a new task refresh the whole thing

                task = _task;

                layout.removeView(infoView);

                infoView = null;

            }

            if(infoView == null){//build iv if it hasn't been created yet

                infoView = this.getLayoutInflater().inflate(R.layout.download_info, layout, false);

                FrameLayout.LayoutParams params = (android.widget.FrameLayout.LayoutParams) infoView.getLayoutParams();

                params.gravity = Gravity.NO_GRAVITY;

                params.height = size;

                arrow = (ImageView)infoView.findViewById(R.id.arrow);

                arrow.setVisibility(View.INVISIBLE);

                halfSize = size/2;

                Button yes = (Button)infoView.findViewById(R.id.download);

                Button no = (Button)infoView.findViewById(R.id.cancel);

                yes.setOnClickListener(yesClicker);

                no.setOnClickListener(noClicker);

                layout.addView(infoView, params);

            }

        }

    }

    public void onViewMoved(int x, int minX, int maxX) {

        if(halfSize == -1){

            if(infoView.getHeight() != 0){

                halfSize = infoView.getHeight()/2;

            }

        }

        if(layout != null && infoView != null){

            FrameLayout.LayoutParams params = ((FrameLayout.LayoutParams)infoView.getLayoutParams());

            if(x - halfSize < minX){

                params.topMargin = 0;

                arrow.setVisibility(View.INVISIBLE);

                params.gravity = Gravity.TOP;

            }else if (x + halfSize >= maxX){

                params.topMargin = 0;

                arrow.setVisibility(View.INVISIBLE);

                params.gravity = Gravity.BOTTOM;

            }else{

                params.topMargin = x - halfSize;

                params.gravity = Gravity.NO_GRAVITY;

                arrow.setVisibility(View.VISIBLE);

            }

            infoView.requestLayout();

        }

    }

    private OnClickListener yesClicker = new OnClickListener(){

        public void onClick(View v){

            FragmentManager fm = getSupportFragmentManager();

            FragmentTransaction ft= fm.beginTransaction();

            DownloadFragment df = DownloadFragment.getInstance(task);

            ft.add(R.id.downloadQueueContainer, df).commit();

            //ft.show(new DownloadFragment());

            task = null;

            layout.removeView(infoView);

        }

    };

    private OnClickListener noClicker = new OnClickListener(){

        public void onClick(View v){

            task = null;

            layout.removeView(infoView);

        }

    };