WindowInsetsHelper.java

/*
 * Mr.Mantou - On the importance of taste
 * Copyright (C) 2015-2016  XiNGRZ <xxx@oxo.ooo>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package ooo.oxo.mr.view;

import android.graphics.Rect;
import android.view.View;
import android.view.ViewGroup;

public class WindowInsetsHelper {

    public static boolean onApplyWindowInsets(View view, Rect insets) {
        return view instanceof WindowInsetsHandler &&
                ((WindowInsetsHandler) view).onApplyWindowInsets(insets);
    }

    public static boolean dispatchApplyWindowInsets(ViewGroup parent, Rect insets) {
        final int count = parent.getChildCount();

        for (int i = 0; i < count; i++) {
            if (onApplyWindowInsets(parent.getChildAt(i), insets)) {
                return true;
            }
        }

        return false;
    }

}