and4

//celllayout
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.drawable.Drawable;

    public static final float INIT_REDUCE_FINAL_VALUE = 0.6f;
    public static final float REDUCE_FINAL_VALUE = 0.9f;   
    public static final float BLOWUP_FINAL_VALUE = 1.0f;
    public static final float SCALE_INCREMENT_VALUE = 0.01f;
    public static final long SLEEP_TIME = 25; 
    public static final long INIT_SLEEP_TIME = 25;
    public static final long FINISH_ZOOM_OUT_SLEEP_TIME = SLEEP_TIME;
    public static final long FINISH_ZOOM_IN_SLEEP_TIME = SLEEP_TIME;
   
    private Matrix matrix = new Matrix();
    private AnimationThread at;
    private boolean havaOpenFolder;
    private boolean dragZoomOutAnimation;
    private boolean needScaleCenterImg;

    @Override
    public void addView(View child, int index, ViewGroup.LayoutParams params) {
        final LayoutParams cellParams = (LayoutParams) params;
        cellParams.regenerateId = true;

        if (cellParams.cellHSpan == mLongAxisCells && cellParams.cellVSpan == mShortAxisCells
                && child instanceof Folder) {
            havaOpenFolder = true;
        }
       
        super.addView(child, index, params);
    }
   
    public int getCellWidth() {
        return mCellWidth;
    }
    public int getCellHeight() {
        return mCellHeight;
    }

    public int getShortAxisCells() {
        return mShortAxisCells;
    }

    public int getLongAxisCells() {
        return mLongAxisCells;
    }

    public int getWidthGap() {
        return mWidthGap;
    }

    public int getHeightGap() {
        return mHeightGap;
    }
   
    public boolean isOpenFolder() {
        return havaOpenFolder;
    }
   
    @Override
    public void dispatchDraw(Canvas canvas) {
        if (isOpenFolder()) {
            super.dispatchDraw(canvas);
            return;
        }

        if (DragLayer.isDragging()) {
            if (at == null) {
                startAnimation(BLOWUP_FINAL_VALUE, REDUCE_FINAL_VALUE, SCALE_INCREMENT_VALUE, SLEEP_TIME); // narrow animation.
            }