/*
 * Tencent is pleased to support the open source community by making QMUI_Android available.
 *
 * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the MIT License (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 *
 * http://opensource.org/licenses/MIT
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is
 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.adealink.weparty.util;

import android.graphics.drawable.Drawable;
import android.os.Build;
import android.view.View;

import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author cginechen
 * @date 2016-03-17
 */
public class QMUIViewHelper {

    // copy from View.generateViewId for API <= 16
    private static final AtomicInteger sNextGeneratedId = new AtomicInteger(1);

    public static int generateViewId() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
            return View.generateViewId();
        } else {
            for (; ; ) {
                final int result = sNextGeneratedId.get();
                // aapt-generated IDs have the high byte nonzero; clamp to the range under that.
                int newValue = result + 1;
                if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
                if (sNextGeneratedId.compareAndSet(result, newValue)) {
                    return result;
                }
            }
        }
    }

    public static void setBackgroundKeepingPadding(View view, Drawable drawable) {
        int[] padding = new int[]{view.getPaddingLeft(), view.getPaddingTop(), view.getPaddingRight(), view.getPaddingBottom()};
        view.setBackground(drawable);
        view.setPadding(padding[0], padding[1], padding[2], padding[3]);
    }

}
