RefreshAnimation.java

package ca.grocerygo.android.utils;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import ca.grocerygo.android.R;
import com.actionbarsherlock.view.MenuItem;

/**
 * User: robert
 * Date: 23/02/13
 */
public class RefreshAnimation {
    private static boolean inProgress = false;
    private static MenuItem refresh = null;

    public static void refreshIcon(Context context, boolean start, MenuItem refreshItem) {
        if (start) {
            inProgress = true;
            refresh = refreshItem;
            LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            ImageView iv = (ImageView) inflater.inflate(R.layout.refresh_action_view, null);

            Animation rotation = AnimationUtils.loadAnimation(context, R.anim.clockwise_refresh);
            rotation.setRepeatCount(Animation.INFINITE);
            iv.startAnimation(rotation);

            if (iv != null)
                refreshItem.setActionView(iv);
        } else if (!start) {
            if (refreshItem != null && inProgress) {
                refreshItem.getActionView().clearAnimation();
                refreshItem.setActionView(null);
                inProgress = false;
            }
            refresh = null;
        }
    }

    public static boolean isInProgress() {
        return inProgress;
    }

    public static void setInProgress(boolean inProgress) {
        RefreshAnimation.inProgress = inProgress;
    }

    public static MenuItem getRefresh() {
        return refresh;
    }
}